diff --git a/.github/workflows/github-projects-for-openfoodfacts-design.yml b/.github/workflows/github-projects-for-openfoodfacts-design.yml
index f1de1463..cc99c59f 100644
--- a/.github/workflows/github-projects-for-openfoodfacts-design.yml
+++ b/.github/workflows/github-projects-for-openfoodfacts-design.yml
@@ -59,13 +59,13 @@ jobs:
           project-url: https://github.com/orgs/openfoodfacts/projects/5 # Add issue to the folksonomy project
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: 🏷️ Folksonomy Project
-          label-operator: OR         
+          label-operator: OR
       - uses: actions/add-to-project@main
         with:
           project-url: https://github.com/orgs/openfoodfacts/projects/44 # Add issue to the data quality project
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: 🧽 Data quality
-          label-operator: OR    
+          label-operator: OR
       - uses: actions/add-to-project@main
         with:
           project-url: https://github.com/orgs/openfoodfacts/projects/82 # Add issue to the search project
@@ -77,19 +77,19 @@ jobs:
           project-url: https://github.com/orgs/openfoodfacts/projects/41 # Add issue to the producer platform project
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: 🏭 Producers Platform
-          label-operator: OR    
+          label-operator: OR
       - uses: actions/add-to-project@main
         with:
           project-url: https://github.com/orgs/openfoodfacts/projects/19 # Add issue to the infrastructure project
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: infrastructure
-          label-operator: OR   
+          label-operator: OR
       - uses: actions/add-to-project@main
         with:
           project-url: https://github.com/orgs/openfoodfacts/projects/92 # Add issue to the Nutri-Score project
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: 🚦 Nutri-Score
-          label-operator: OR   
+          label-operator: OR
       - uses: actions/add-to-project@main
         with:
           project-url: https://github.com/orgs/openfoodfacts/projects/132 # Add issue to the Top upvoted issues board
@@ -107,4 +107,4 @@ jobs:
           project-url: https://github.com/orgs/openfoodfacts/projects/35 # Add issue to the ♿️ accessibility project
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
           labeled: ♿️ accessibility
-          label-operator: OR   
+          label-operator: OR
diff --git a/Makefile b/Makefile
index 72b8c2fe..db2567cd 100644
--- a/Makefile
+++ b/Makefile
@@ -99,9 +99,14 @@ local_config_quality: ## Run on lint configuration files
 
 build: ## Build docker images
 	@echo "🍜 Building docker images"
-	${DOCKER_COMPOSE} build
+	${DOCKER_COMPOSE} build ${args}
 	@echo "🍜 Project setup done"
 
+backend_poetry_update: ## Update poetry.lock file
+	@echo "🍜 Updating poetry.lock file"
+	${DOCKER_COMPOSE} run --user root --rm taxonomy_api bash -c "pip install poetry==1.4.2 && poetry lock --no-update"
+
+
 up: ## Run the project
 	@echo "🍜 Running project (ctrl+C to stop)"
 	@echo "🍜 The React app will be available on http://ui.taxonomy.localhost:8091"
@@ -177,11 +182,11 @@ config_quality: ## Run quality checks on configuration files
 
 tests: backend_tests ## Run all tests
 
-backend_tests: ## Run python tests
+backend_tests: ## Run python tests, you might provide additional arguments witr args="…"
 	@echo "🍜 Running python tests"
 	${DOCKER_COMPOSE_TEST} up -d neo4j
-	${DOCKER_COMPOSE_TEST}  run --rm taxonomy_api pytest /parser
-	${DOCKER_COMPOSE_TEST}  run --rm taxonomy_api pytest /code/tests
+	${DOCKER_COMPOSE_TEST}  run --rm taxonomy_api pytest /parser ${args}
+	${DOCKER_COMPOSE_TEST}  run --rm taxonomy_api pytest /code/tests ${args}
 	${DOCKER_COMPOSE_TEST} stop neo4j
 
 checks: quality tests ## Run all checks (quality + tests)
diff --git a/backend/editor/api.py b/backend/editor/api.py
index 50f721ea..40a08a58 100644
--- a/backend/editor/api.py
+++ b/backend/editor/api.py
@@ -184,7 +184,7 @@ async def find_all_nodes(response: Response, branch: str, taxonomy_name: str):
     Get all nodes within taxonomy
     """
     taxonomy = TaxonomyGraph(branch, taxonomy_name)
-    all_nodes = await taxonomy.get_all_nodes("")
+    all_nodes = await taxonomy.get_all_nodes()
     return all_nodes
 
 
@@ -395,7 +395,7 @@ async def upload_taxonomy(
     """
     taxonomy = TaxonomyGraph(branch, taxonomy_name)
     if not taxonomy.is_valid_branch_name():
-        raise HTTPException(status_code=422, detail="branch_name: Enter a valid branch name!")
+        raise HTTPException(status_code=422, detail="branch_name: Enter a valid branch name!")
     if await taxonomy.does_project_exist():
         raise HTTPException(status_code=409, detail="Project already exists!")
     if not await taxonomy.is_branch_unique(from_github=False):
@@ -467,5 +467,5 @@ async def delete_project(branch: str, taxonomy_name: str):
     """
     Delete a project
     """
-    taxonomy = TaxonomyGraph(branch, taxonomy_name)
-    await project_controller.delete_project(taxonomy.project_name)
+    project_id = project_controller.get_project_id(branch, taxonomy_name)
+    await project_controller.delete_project(project_id)
diff --git a/backend/editor/controllers/node_controller.py b/backend/editor/controllers/node_controller.py
index fb33ab4a..d8cf56d0 100644
--- a/backend/editor/controllers/node_controller.py
+++ b/backend/editor/controllers/node_controller.py
@@ -1,3 +1,4 @@
+import datetime
 import logging
 
 from openfoodfacts_taxonomy_parser import utils as parser_utils
@@ -12,7 +13,7 @@
 async def delete_project_nodes(project_id: str):
     """
     Remove all nodes for project.
-    This includes entries, stopwords, synonyms and errors
+    This includes entries, stopwords, synonyms, errors and removed entries
     """
 
     query = f"""
@@ -38,6 +39,7 @@ async def create_entry_node(
         "id": language_code + ":" + normalized_name,
         f"tags_{language_code}": [name],
         f"tags_ids_{language_code}": [normalized_name],
+        "modified": datetime.datetime.now().timestamp(),
     }
     params = {"entry_node": entry_node_data}
 
diff --git a/backend/editor/controllers/project_controller.py b/backend/editor/controllers/project_controller.py
index b8170356..dd29c1e0 100644
--- a/backend/editor/controllers/project_controller.py
+++ b/backend/editor/controllers/project_controller.py
@@ -4,6 +4,10 @@
 from .utils.result_utils import get_unique_record
 
 
+def get_project_id(branch_name: str, taxonomy_name: str) -> str:
+    return "p_" + taxonomy_name + "_" + branch_name
+
+
 async def get_project(project_id: str) -> Project:
     """
     Get project by id
@@ -78,3 +82,36 @@ async def delete_project(project_id: str):
     params = {"project_id": project_id}
     await get_current_transaction().run(query, params)
     await delete_project_nodes(project_id)
+
+
+async def clone_project(source_branch: str, taxonomy_name: str, target_branch: str):
+    """
+    Clone a project using a new branch name
+
+    Currently used for tests only.
+    """
+    source_id = get_project_id(source_branch, taxonomy_name)
+    target_id = get_project_id(target_branch, taxonomy_name)
+    # clone project node
+    query = """
+        MATCH (p:PROJECT {id: $project_id})
+        WITH p
+        CALL apoc.refactor.cloneNodes([p], true, ['id', 'branch'] )
+        YIELD output as new_node
+        WITH new_node
+        SET new_node.created_at = datetime(), new_node.branch_name = $target_branch, new_node.id = $target_id
+        RETURN new_node
+    """
+    params = {"project_id": source_id, "target_branch": target_branch, "target_id": get_project_id(target_branch, taxonomy_name)}
+    await get_current_transaction().run(query, params)
+    # clone nodes thanks to apoc.refactor.cloneSubgraph
+    query = f"""
+        MATCH (n:{source_id})
+        WITH collect(n) AS source_nodes
+        CALL apoc.refactor.cloneSubgraph(source_nodes)
+        YIELD output as new_node
+        WITH new_node
+        REMOVE new_node:{source_id}
+        SET new_node:{target_id}
+    """
+    await get_current_transaction().run(query)
\ No newline at end of file
diff --git a/backend/editor/entries.py b/backend/editor/entries.py
index 6946d593..7e00331f 100644
--- a/backend/editor/entries.py
+++ b/backend/editor/entries.py
@@ -3,10 +3,12 @@
 """
 
 import asyncio
+import datetime
 import logging
 import shutil
 import tempfile
 import urllib.request  # Sending requests
+from typing import Optional
 
 from fastapi import BackgroundTasks, HTTPException, UploadFile
 
@@ -14,11 +16,12 @@
 from fastapi.concurrency import run_in_threadpool
 from openfoodfacts_taxonomy_parser import parser  # Parser for taxonomies
 from openfoodfacts_taxonomy_parser import unparser  # Unparser for taxonomies
+from openfoodfacts_taxonomy_parser import patcher
 from openfoodfacts_taxonomy_parser import utils as parser_utils
 
 from . import settings, utils
 from .controllers.node_controller import create_entry_node, get_error_node
-from .controllers.project_controller import create_project, edit_project, get_project
+from .controllers.project_controller import get_project_id, create_project, edit_project, get_project
 from .exceptions import GithubBranchExistsError  # Custom exceptions
 from .exceptions import (
     GithubUploadError,
@@ -32,7 +35,7 @@
     TransactionCtx,
     get_current_transaction,
 )
-from .models.node_models import EntryNode, EntryNodeCreate
+from .models.node_models import EntryNode, EntryNodeCreate, NodeType
 from .models.project_models import ProjectCreate, ProjectEdit, ProjectStatus
 from .settings import EXTERNAL_TAXONOMIES
 
@@ -49,7 +52,7 @@ class TaxonomyGraph:
     def __init__(self, branch_name, taxonomy_name):
         self.taxonomy_name = taxonomy_name
         self.branch_name = branch_name
-        self.project_name = "p_" + taxonomy_name + "_" + branch_name
+        self.project_name = get_project_id(branch_name, taxonomy_name)
 
     def taxonomy_path_in_repository(self, taxonomy_name):
         return utils.taxonomy_path_in_repository(taxonomy_name)
@@ -199,18 +202,18 @@ async def import_taxonomy(
         background_tasks.add_task(self.get_and_parse_taxonomy, uploadfile)
         return True
 
-    def dump_taxonomy(self, background_tasks: BackgroundTasks):
+    def dump_taxonomy(self, background_tasks: BackgroundTasks, dump_cls: unparser.WriteTaxonomy=patcher.PatchTaxonomy):
         """
         Helper function to create the txt file of a taxonomy
         """
         # Create unparser object and pass a sync session to it
         with SyncTransactionCtx() as session:
-            unparser_object = unparser.WriteTaxonomy(session)
+            dumper = dump_cls(session)
             # Creates a unique file for dumping the taxonomy
             filename = self.project_name + ".txt"
             try:
                 # Dump taxonomy with given file name and branch name
-                unparser_object(filename, self.branch_name, self.taxonomy_name)
+                dumper(filename, self.branch_name, self.taxonomy_name)
                 # Program file removal in the background
                 background_tasks.add_task(utils.file_cleanup, filename)
                 return filename
@@ -342,7 +345,7 @@ async def list_projects(self, status=None):
 
     async def add_node_to_end(self, label, entry):
         """
-        Helper function which adds an existing node to end of taxonomy
+        Helper function which adds an a newly created node to end of taxonomy
         """
         # Delete relationship between current last node and __footer__
         query = f"""
@@ -394,28 +397,56 @@ async def add_node_to_beginning(self, label, entry):
     async def delete_node(self, label, entry):
         """
         Helper function used for deleting a node with given id and label
+
+        We don't really delete it because we have to keep track of modified nodes.
+        We set the entry type label to REMOVED_<label>
         """
-        # Finding node to be deleted using node ID
+        modified = datetime.datetime.now().timestamp()
+        # Remove node from is_before relation and attach node previous node to next node
         query = f"""
             // Find node to be deleted using node ID
             MATCH (deleted_node:{self.project_name}:{label})-[:is_before]->(next_node)
                 WHERE deleted_node.id = $id
             MATCH (previous_node)-[:is_before]->(deleted_node)
             // Remove node
-            DETACH DELETE (deleted_node)
+            DETACH (deleted_node)
             // Rebuild relationships after deletion
             CREATE (previous_node)-[:is_before]->(next_node)
         """
+        await get_current_transaction().run(query, {"id": entry})
+        # transfert child parent relations, and mark child nodes as modified
+        query = f"""
+            // Find relations to be removed using node ID
+            MATCH (child_node)-[:is_child_of]->(deleted_node:{self.project_name}:{label})
+                WHERE deleted_node.id = $id
+            MATCH (deleted_node)-[:is_child_of]->(parent_node)
+            DETACH (deleted_node)
+            // transfer child
+            CREATE (child_node) -[:is_child_of]->(parent_node)
+            // mark modified
+            SET child_node.modified = $modified
+        """
+        await get_current_transaction().run(query, {"id": entry, "modified": modified})
+        # change label of node to be deleted
+        query = f"""
+            MATCH (deleted_node:{self.project_name}:{label}) WHERE deleted_node.id = $id
+            REMOVE deleted_node:{label}
+            SET deleted_node:REMOVED_{label}
+            // and mark modification date also
+            SET deleted_node.modified = $modified
+        """
         result = await get_current_transaction().run(query, {"id": entry})
         return await async_list(result)
 
-    async def get_all_nodes(self, label):
+    async def get_all_nodes(self, label: Optional[str]=None, removed: bool=False):
         """
         Helper function used for getting all nodes with/without given label
         """
-        qualifier = f":{label}" if label else ""
+        labels = [label] if label else [label.value for label in NodeType]
+        if removed:
+            labels = [f"REMOVED_{label}" for label in labels]
         query = f"""
-            MATCH (n:{self.project_name}{qualifier}) RETURN n
+            MATCH (n:{self.project_name}:{"|".join(labels)}) RETURN n
         """
         result = await get_current_transaction().run(query)
         return await async_list(result)
@@ -522,6 +553,9 @@ async def update_node(self, label, new_node: EntryNode):
         # Build query
         query = [f"""MATCH (n:{self.project_name}:{label}) WHERE n.id = $id """]
 
+        modified = datetime.datetime.now().timestamp()
+        query.append(f"""\nSET n.modified = {modified}""")
+
         # Delete keys removed by user
         deleted_keys = (
             (set(curr_node.tags.keys()) - set(new_node.tags.keys()))
@@ -558,24 +592,33 @@ async def update_node_children(self, entry, new_children_ids):
         """
         Helper function used for updation of node children with given id
         """
+        modified = datetime.datetime.now().timestamp()
         # Parse node ids from Neo4j Record object
         current_children = [record["child.id"] for record in list(await self.get_children(entry))]
-        deleted_children = set(current_children) - set(new_children_ids)
+        deleted_children = list(set(current_children) - set(new_children_ids))
         added_children = set(new_children_ids) - set(current_children)
 
         # Delete relationships
-        for child in deleted_children:
-            query = f"""
-                MATCH
-                    (deleted_child:{self.project_name}:ENTRY)
-                    -[rel:is_child_of]->
-                    (parent:{self.project_name}:ENTRY)
-                WHERE parent.id = $id AND deleted_child.id = $child
-                DELETE rel
-            """
-            await get_current_transaction().run(query, {"id": entry, "child": child})
+        query = f"""
+            MATCH
+                (deleted_child:{self.project_name}:ENTRY)
+                -[rel:is_child_of]->
+                (parent:{self.project_name}:ENTRY)
+            WHERE parent.id = $id AND deleted_child.id IN $children
+            DELETE rel
+        """
+        await get_current_transaction().run(query, {"id": entry, "children": deleted_children})
+        # update children modified property
+        query = f"""
+            MATCH (child:{self.project_name}:ENTRY)
+            WHERE child.id in $children
+            SET child.modified = $modified
+        """
+        await get_current_transaction().run(
+            query, {"children": deleted_children, "modified": modified}
+        )
 
-        # Create non-existing nodes
+        # get non-existing nodes
         query = f"""
             MATCH (child:{self.project_name}:ENTRY)
                 WHERE child.id in $ids RETURN child.id
@@ -586,7 +629,7 @@ async def update_node_children(self, entry, new_children_ids):
 
         # Normalising new children node ID
         created_child_ids = []
-
+        # create new nodes
         for child in to_create:
             main_language_code, child_name = child.split(":", 1)
             created_node_id = await self.create_entry_node(child_name, main_language_code)
@@ -612,5 +655,13 @@ async def update_node_children(self, entry, new_children_ids):
                 query, {"id": entry, "child_id": child_id}
             )
             result = list(await _result.value())
+        # update modified of existing but added children entries
+        # update children modified property
+        query = f"""
+            MATCH (child:{self.project_name}:ENTRY)
+            WHERE child.id in $children
+            SET child.modified = $modified
+        """
+        await get_current_transaction().run(query, {"children": existing_ids, "modified": modified})
 
         return result
diff --git a/backend/editor/graph_db.py b/backend/editor/graph_db.py
index d63b7130..72fac8ef 100644
--- a/backend/editor/graph_db.py
+++ b/backend/editor/graph_db.py
@@ -51,7 +51,7 @@ async def database_lifespan():
     uri = settings.uri
     driver = neo4j.AsyncGraphDatabase.driver(uri)
     try:
-        yield
+        yield driver
     finally:
         await driver.close()
 
diff --git a/backend/editor/models/project_models.py b/backend/editor/models/project_models.py
index 6ee7e001..7584ca14 100644
--- a/backend/editor/models/project_models.py
+++ b/backend/editor/models/project_models.py
@@ -31,6 +31,7 @@ class Project(ProjectCreate):
     github_checkout_commit_sha: str | None = None
     github_file_latest_sha: str | None = None
     github_pr_url: str | None = None
+    original_text: str | None = None
 
 
 class ProjectEdit(BaseModel):
diff --git a/backend/editor/models/search_models.py b/backend/editor/models/search_models.py
index b7443ded..14e542b1 100644
--- a/backend/editor/models/search_models.py
+++ b/backend/editor/models/search_models.py
@@ -42,7 +42,13 @@ def build_cypher_query(self, param_name: str) -> CypherQuery:
 
 class IsFilterSearchTerm(AbstractFilterSearchTerm):
     filter_type: Literal["is"]
-    filter_value: Literal["root"] | Literal["external"] | Literal["not:external"]
+    filter_value: (
+        Literal["root"]
+        | Literal["external"]
+        | Literal["not:external"]
+        | Literal["modified"]
+        | Literal["not:modified"]
+    )
 
     def build_cypher_query(self, _param_name: str) -> CypherQuery:
         match self.filter_value:
@@ -52,6 +58,10 @@ def build_cypher_query(self, _param_name: str) -> CypherQuery:
                 return CypherQuery("n.is_external = true")
             case "not:external":
                 return CypherQuery("(n.is_external IS NULL OR n.is_external = false)")
+            case "modified":
+                return CypherQuery("n.modified IS NOT NULL")
+            case "not:modified":
+                return CypherQuery("n.modified IS NULL")
             case _:
                 raise ValueError("Invalid filter value")
 
diff --git a/backend/poetry.lock b/backend/poetry.lock
index 2d406c97..9b6909f9 100644
--- a/backend/poetry.lock
+++ b/backend/poetry.lock
@@ -1,9 +1,10 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
 version = "0.6.0"
 description = "Reusable constraint types to use with typing.Annotated"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -15,6 +16,7 @@ files = [
 name = "anyio"
 version = "3.7.1"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -25,6 +27,7 @@ files = [
 [package.dependencies]
 idna = ">=2.8"
 sniffio = ">=1.1"
+trio = {version = "<0.22", optional = true, markers = "extra == \"trio\""}
 
 [package.extras]
 doc = ["Sphinx", "packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx-rtd-theme (>=1.2.2)", "sphinxcontrib-jquery"]
@@ -35,6 +38,7 @@ trio = ["trio (<0.22)"]
 name = "apscheduler"
 version = "3.10.4"
 description = "In-process task scheduler with Cron-like capabilities"
+category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -45,7 +49,7 @@ files = [
 [package.dependencies]
 pytz = "*"
 six = ">=1.4.0"
-tzlocal = ">=2.0,<3.dev0 || >=4.dev0"
+tzlocal = ">=2.0,<3.0.0 || >=4.0.0"
 
 [package.extras]
 doc = ["sphinx", "sphinx-rtd-theme"]
@@ -59,10 +63,43 @@ tornado = ["tornado (>=4.3)"]
 twisted = ["twisted"]
 zookeeper = ["kazoo"]
 
+[[package]]
+name = "async-generator"
+version = "1.10"
+description = "Async generators and context managers for Python 3.5+"
+category = "dev"
+optional = false
+python-versions = ">=3.5"
+files = [
+    {file = "async_generator-1.10-py3-none-any.whl", hash = "sha256:01c7bf666359b4967d2cda0000cc2e4af16a0ae098cbffcb8472fb9e8ad6585b"},
+    {file = "async_generator-1.10.tar.gz", hash = "sha256:6ebb3d106c12920aaae42ccb6f787ef5eefdcdd166ea3d628fa8476abe712144"},
+]
+
+[[package]]
+name = "attrs"
+version = "24.2.0"
+description = "Classes Without Boilerplate"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "attrs-24.2.0-py3-none-any.whl", hash = "sha256:81921eb96de3191c8258c199618104dd27ac608d9366f5e35d011eae1867ede2"},
+    {file = "attrs-24.2.0.tar.gz", hash = "sha256:5cfb1b9148b5b086569baec03f20d7b6bf3bcacc9a42bebf87ffaaca362f6346"},
+]
+
+[package.extras]
+benchmark = ["cloudpickle", "hypothesis", "mypy (>=1.11.1)", "pympler", "pytest (>=4.3.0)", "pytest-codspeed", "pytest-mypy-plugins", "pytest-xdist[psutil]"]
+cov = ["cloudpickle", "coverage[toml] (>=5.3)", "hypothesis", "mypy (>=1.11.1)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "pytest-xdist[psutil]"]
+dev = ["cloudpickle", "hypothesis", "mypy (>=1.11.1)", "pre-commit", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "pytest-xdist[psutil]"]
+docs = ["cogapp", "furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-towncrier", "towncrier (<24.7)"]
+tests = ["cloudpickle", "hypothesis", "mypy (>=1.11.1)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "pytest-xdist[psutil]"]
+tests-mypy = ["mypy (>=1.11.1)", "pytest-mypy-plugins"]
+
 [[package]]
 name = "black"
 version = "24.3.0"
 description = "The uncompromising code formatter."
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -107,6 +144,7 @@ uvloop = ["uvloop (>=0.15.2)"]
 name = "certifi"
 version = "2023.7.22"
 description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -114,10 +152,91 @@ files = [
     {file = "certifi-2023.7.22.tar.gz", hash = "sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082"},
 ]
 
+[[package]]
+name = "cffi"
+version = "1.17.1"
+description = "Foreign Function Interface for Python calling C code."
+category = "dev"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "cffi-1.17.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:df8b1c11f177bc2313ec4b2d46baec87a5f3e71fc8b45dab2ee7cae86d9aba14"},
+    {file = "cffi-1.17.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:8f2cdc858323644ab277e9bb925ad72ae0e67f69e804f4898c070998d50b1a67"},
+    {file = "cffi-1.17.1-cp310-cp310-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:edae79245293e15384b51f88b00613ba9f7198016a5948b5dddf4917d4d26382"},
+    {file = "cffi-1.17.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:45398b671ac6d70e67da8e4224a065cec6a93541bb7aebe1b198a61b58c7b702"},
+    {file = "cffi-1.17.1-cp310-cp310-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:ad9413ccdeda48c5afdae7e4fa2192157e991ff761e7ab8fdd8926f40b160cc3"},
+    {file = "cffi-1.17.1-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:5da5719280082ac6bd9aa7becb3938dc9f9cbd57fac7d2871717b1feb0902ab6"},
+    {file = "cffi-1.17.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:2bb1a08b8008b281856e5971307cc386a8e9c5b625ac297e853d36da6efe9c17"},
+    {file = "cffi-1.17.1-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:045d61c734659cc045141be4bae381a41d89b741f795af1dd018bfb532fd0df8"},
+    {file = "cffi-1.17.1-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:6883e737d7d9e4899a8a695e00ec36bd4e5e4f18fabe0aca0efe0a4b44cdb13e"},
+    {file = "cffi-1.17.1-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:6b8b4a92e1c65048ff98cfe1f735ef8f1ceb72e3d5f0c25fdb12087a23da22be"},
+    {file = "cffi-1.17.1-cp310-cp310-win32.whl", hash = "sha256:c9c3d058ebabb74db66e431095118094d06abf53284d9c81f27300d0e0d8bc7c"},
+    {file = "cffi-1.17.1-cp310-cp310-win_amd64.whl", hash = "sha256:0f048dcf80db46f0098ccac01132761580d28e28bc0f78ae0d58048063317e15"},
+    {file = "cffi-1.17.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:a45e3c6913c5b87b3ff120dcdc03f6131fa0065027d0ed7ee6190736a74cd401"},
+    {file = "cffi-1.17.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:30c5e0cb5ae493c04c8b42916e52ca38079f1b235c2f8ae5f4527b963c401caf"},
+    {file = "cffi-1.17.1-cp311-cp311-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:f75c7ab1f9e4aca5414ed4d8e5c0e303a34f4421f8a0d47a4d019ceff0ab6af4"},
+    {file = "cffi-1.17.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a1ed2dd2972641495a3ec98445e09766f077aee98a1c896dcb4ad0d303628e41"},
+    {file = "cffi-1.17.1-cp311-cp311-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:46bf43160c1a35f7ec506d254e5c890f3c03648a4dbac12d624e4490a7046cd1"},
+    {file = "cffi-1.17.1-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:a24ed04c8ffd54b0729c07cee15a81d964e6fee0e3d4d342a27b020d22959dc6"},
+    {file = "cffi-1.17.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:610faea79c43e44c71e1ec53a554553fa22321b65fae24889706c0a84d4ad86d"},
+    {file = "cffi-1.17.1-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:a9b15d491f3ad5d692e11f6b71f7857e7835eb677955c00cc0aefcd0669adaf6"},
+    {file = "cffi-1.17.1-cp311-cp311-musllinux_1_1_i686.whl", hash = "sha256:de2ea4b5833625383e464549fec1bc395c1bdeeb5f25c4a3a82b5a8c756ec22f"},
+    {file = "cffi-1.17.1-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:fc48c783f9c87e60831201f2cce7f3b2e4846bf4d8728eabe54d60700b318a0b"},
+    {file = "cffi-1.17.1-cp311-cp311-win32.whl", hash = "sha256:85a950a4ac9c359340d5963966e3e0a94a676bd6245a4b55bc43949eee26a655"},
+    {file = "cffi-1.17.1-cp311-cp311-win_amd64.whl", hash = "sha256:caaf0640ef5f5517f49bc275eca1406b0ffa6aa184892812030f04c2abf589a0"},
+    {file = "cffi-1.17.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:805b4371bf7197c329fcb3ead37e710d1bca9da5d583f5073b799d5c5bd1eee4"},
+    {file = "cffi-1.17.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:733e99bc2df47476e3848417c5a4540522f234dfd4ef3ab7fafdf555b082ec0c"},
+    {file = "cffi-1.17.1-cp312-cp312-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:1257bdabf294dceb59f5e70c64a3e2f462c30c7ad68092d01bbbfb1c16b1ba36"},
+    {file = "cffi-1.17.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:da95af8214998d77a98cc14e3a3bd00aa191526343078b530ceb0bd710fb48a5"},
+    {file = "cffi-1.17.1-cp312-cp312-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:d63afe322132c194cf832bfec0dc69a99fb9bb6bbd550f161a49e9e855cc78ff"},
+    {file = "cffi-1.17.1-cp312-cp312-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:f79fc4fc25f1c8698ff97788206bb3c2598949bfe0fef03d299eb1b5356ada99"},
+    {file = "cffi-1.17.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:b62ce867176a75d03a665bad002af8e6d54644fad99a3c70905c543130e39d93"},
+    {file = "cffi-1.17.1-cp312-cp312-musllinux_1_1_aarch64.whl", hash = "sha256:386c8bf53c502fff58903061338ce4f4950cbdcb23e2902d86c0f722b786bbe3"},
+    {file = "cffi-1.17.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:4ceb10419a9adf4460ea14cfd6bc43d08701f0835e979bf821052f1805850fe8"},
+    {file = "cffi-1.17.1-cp312-cp312-win32.whl", hash = "sha256:a08d7e755f8ed21095a310a693525137cfe756ce62d066e53f502a83dc550f65"},
+    {file = "cffi-1.17.1-cp312-cp312-win_amd64.whl", hash = "sha256:51392eae71afec0d0c8fb1a53b204dbb3bcabcb3c9b807eedf3e1e6ccf2de903"},
+    {file = "cffi-1.17.1-cp313-cp313-macosx_10_13_x86_64.whl", hash = "sha256:f3a2b4222ce6b60e2e8b337bb9596923045681d71e5a082783484d845390938e"},
+    {file = "cffi-1.17.1-cp313-cp313-macosx_11_0_arm64.whl", hash = "sha256:0984a4925a435b1da406122d4d7968dd861c1385afe3b45ba82b750f229811e2"},
+    {file = "cffi-1.17.1-cp313-cp313-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:d01b12eeeb4427d3110de311e1774046ad344f5b1a7403101878976ecd7a10f3"},
+    {file = "cffi-1.17.1-cp313-cp313-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:706510fe141c86a69c8ddc029c7910003a17353970cff3b904ff0686a5927683"},
+    {file = "cffi-1.17.1-cp313-cp313-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:de55b766c7aa2e2a3092c51e0483d700341182f08e67c63630d5b6f200bb28e5"},
+    {file = "cffi-1.17.1-cp313-cp313-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:c59d6e989d07460165cc5ad3c61f9fd8f1b4796eacbd81cee78957842b834af4"},
+    {file = "cffi-1.17.1-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:dd398dbc6773384a17fe0d3e7eeb8d1a21c2200473ee6806bb5e6a8e62bb73dd"},
+    {file = "cffi-1.17.1-cp313-cp313-musllinux_1_1_aarch64.whl", hash = "sha256:3edc8d958eb099c634dace3c7e16560ae474aa3803a5df240542b305d14e14ed"},
+    {file = "cffi-1.17.1-cp313-cp313-musllinux_1_1_x86_64.whl", hash = "sha256:72e72408cad3d5419375fc87d289076ee319835bdfa2caad331e377589aebba9"},
+    {file = "cffi-1.17.1-cp313-cp313-win32.whl", hash = "sha256:e03eab0a8677fa80d646b5ddece1cbeaf556c313dcfac435ba11f107ba117b5d"},
+    {file = "cffi-1.17.1-cp313-cp313-win_amd64.whl", hash = "sha256:f6a16c31041f09ead72d69f583767292f750d24913dadacf5756b966aacb3f1a"},
+    {file = "cffi-1.17.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:636062ea65bd0195bc012fea9321aca499c0504409f413dc88af450b57ffd03b"},
+    {file = "cffi-1.17.1-cp38-cp38-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:c7eac2ef9b63c79431bc4b25f1cd649d7f061a28808cbc6c47b534bd789ef964"},
+    {file = "cffi-1.17.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:e221cf152cff04059d011ee126477f0d9588303eb57e88923578ace7baad17f9"},
+    {file = "cffi-1.17.1-cp38-cp38-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:31000ec67d4221a71bd3f67df918b1f88f676f1c3b535a7eb473255fdc0b83fc"},
+    {file = "cffi-1.17.1-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:6f17be4345073b0a7b8ea599688f692ac3ef23ce28e5df79c04de519dbc4912c"},
+    {file = "cffi-1.17.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:0e2b1fac190ae3ebfe37b979cc1ce69c81f4e4fe5746bb401dca63a9062cdaf1"},
+    {file = "cffi-1.17.1-cp38-cp38-win32.whl", hash = "sha256:7596d6620d3fa590f677e9ee430df2958d2d6d6de2feeae5b20e82c00b76fbf8"},
+    {file = "cffi-1.17.1-cp38-cp38-win_amd64.whl", hash = "sha256:78122be759c3f8a014ce010908ae03364d00a1f81ab5c7f4a7a5120607ea56e1"},
+    {file = "cffi-1.17.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:b2ab587605f4ba0bf81dc0cb08a41bd1c0a5906bd59243d56bad7668a6fc6c16"},
+    {file = "cffi-1.17.1-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:28b16024becceed8c6dfbc75629e27788d8a3f9030691a1dbf9821a128b22c36"},
+    {file = "cffi-1.17.1-cp39-cp39-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:1d599671f396c4723d016dbddb72fe8e0397082b0a77a4fab8028923bec050e8"},
+    {file = "cffi-1.17.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:ca74b8dbe6e8e8263c0ffd60277de77dcee6c837a3d0881d8c1ead7268c9e576"},
+    {file = "cffi-1.17.1-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:f7f5baafcc48261359e14bcd6d9bff6d4b28d9103847c9e136694cb0501aef87"},
+    {file = "cffi-1.17.1-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:98e3969bcff97cae1b2def8ba499ea3d6f31ddfdb7635374834cf89a1a08ecf0"},
+    {file = "cffi-1.17.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:cdf5ce3acdfd1661132f2a9c19cac174758dc2352bfe37d98aa7512c6b7178b3"},
+    {file = "cffi-1.17.1-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:9755e4345d1ec879e3849e62222a18c7174d65a6a92d5b346b1863912168b595"},
+    {file = "cffi-1.17.1-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:f1e22e8c4419538cb197e4dd60acc919d7696e5ef98ee4da4e01d3f8cfa4cc5a"},
+    {file = "cffi-1.17.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:c03e868a0b3bc35839ba98e74211ed2b05d2119be4e8a0f224fba9384f1fe02e"},
+    {file = "cffi-1.17.1-cp39-cp39-win32.whl", hash = "sha256:e31ae45bc2e29f6b2abd0de1cc3b9d5205aa847cafaecb8af1476a609a2f6eb7"},
+    {file = "cffi-1.17.1-cp39-cp39-win_amd64.whl", hash = "sha256:d016c76bdd850f3c626af19b0542c9677ba156e4ee4fccfdd7848803533ef662"},
+    {file = "cffi-1.17.1.tar.gz", hash = "sha256:1c39c6016c32bc48dd54561950ebd6836e1670f2ae46128f67cf49e789c52824"},
+]
+
+[package.dependencies]
+pycparser = "*"
+
 [[package]]
 name = "click"
 version = "8.1.7"
 description = "Composable command line interface toolkit"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -132,6 +251,7 @@ colorama = {version = "*", markers = "platform_system == \"Windows\""}
 name = "colorama"
 version = "0.4.6"
 description = "Cross-platform colored terminal text."
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 files = [
@@ -143,6 +263,7 @@ files = [
 name = "dnspython"
 version = "2.4.2"
 description = "DNS toolkit"
+category = "main"
 optional = false
 python-versions = ">=3.8,<4.0"
 files = [
@@ -162,6 +283,7 @@ wmi = ["wmi (>=1.5.1,<2.0.0)"]
 name = "email-validator"
 version = "2.1.0.post1"
 description = "A robust email address syntax and deliverability validation library."
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -177,6 +299,7 @@ idna = ">=2.0.0"
 name = "fastapi"
 version = "0.104.1"
 description = "FastAPI framework, high performance, easy to learn, fast to code, ready for production"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -208,6 +331,7 @@ all = ["email-validator (>=2.0.0)", "httpx (>=0.23.0)", "itsdangerous (>=1.1.0)"
 name = "flake8"
 version = "6.1.0"
 description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
 optional = false
 python-versions = ">=3.8.1"
 files = [
@@ -224,6 +348,7 @@ pyflakes = ">=3.1.0,<3.2.0"
 name = "githubkit"
 version = "0.11.1"
 description = "GitHub SDK for Python"
+category = "main"
 optional = false
 python-versions = ">=3.8,<4.0"
 files = [
@@ -248,6 +373,7 @@ jwt = ["PyJWT[crypto] (>=2.4.0,<3.0.0)"]
 name = "h11"
 version = "0.14.0"
 description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -259,6 +385,7 @@ files = [
 name = "hishel"
 version = "0.0.21"
 description = "Persistent cache implementation for httpx and httpcore"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -278,6 +405,7 @@ yaml = ["pyyaml (==6.0.1)"]
 name = "httpcore"
 version = "1.0.1"
 description = "A minimal low-level HTTP client."
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -292,13 +420,14 @@ h11 = ">=0.13,<0.15"
 [package.extras]
 asyncio = ["anyio (>=4.0,<5.0)"]
 http2 = ["h2 (>=3,<5)"]
-socks = ["socksio (==1.*)"]
+socks = ["socksio (>=1.0.0,<2.0.0)"]
 trio = ["trio (>=0.22.0,<0.23.0)"]
 
 [[package]]
 name = "httptools"
 version = "0.6.1"
 description = "A collection of framework independent HTTP protocol utils."
+category = "main"
 optional = false
 python-versions = ">=3.8.0"
 files = [
@@ -347,6 +476,7 @@ test = ["Cython (>=0.29.24,<0.30.0)"]
 name = "httpx"
 version = "0.25.1"
 description = "The next generation HTTP client."
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -363,14 +493,15 @@ sniffio = "*"
 
 [package.extras]
 brotli = ["brotli", "brotlicffi"]
-cli = ["click (==8.*)", "pygments (==2.*)", "rich (>=10,<14)"]
+cli = ["click (>=8.0.0,<9.0.0)", "pygments (>=2.0.0,<3.0.0)", "rich (>=10,<14)"]
 http2 = ["h2 (>=3,<5)"]
-socks = ["socksio (==1.*)"]
+socks = ["socksio (>=1.0.0,<2.0.0)"]
 
 [[package]]
 name = "idna"
 version = "3.4"
 description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -382,6 +513,7 @@ files = [
 name = "iniconfig"
 version = "2.0.0"
 description = "brain-dead simple config-ini parsing"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -393,6 +525,7 @@ files = [
 name = "iso-639"
 version = "0.4.5"
 description = "Python library for ISO 639 standard"
+category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -403,6 +536,7 @@ files = [
 name = "isort"
 version = "5.12.0"
 description = "A Python utility / library to sort Python imports."
+category = "dev"
 optional = false
 python-versions = ">=3.8.0"
 files = [
@@ -420,6 +554,7 @@ requirements-deprecated-finder = ["pip-api", "pipreqs"]
 name = "itsdangerous"
 version = "2.1.2"
 description = "Safely pass data to untrusted environments and back."
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -431,6 +566,7 @@ files = [
 name = "jinja2"
 version = "3.1.3"
 description = "A very fast and expressive template engine."
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -448,6 +584,7 @@ i18n = ["Babel (>=2.7)"]
 name = "markupsafe"
 version = "2.1.3"
 description = "Safely add untrusted strings to HTML/XML markup."
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -517,6 +654,7 @@ files = [
 name = "mccabe"
 version = "0.7.0"
 description = "McCabe checker, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -528,6 +666,7 @@ files = [
 name = "mypy-extensions"
 version = "1.0.0"
 description = "Type system extensions for programs checked with the mypy type checker."
+category = "dev"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -539,6 +678,7 @@ files = [
 name = "neo4j"
 version = "5.14.0"
 description = "Neo4j Bolt driver for Python"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -557,6 +697,7 @@ pyarrow = ["pyarrow (>=1.0.0)"]
 name = "openfoodfacts-taxonomy-parser"
 version = "0.1.0"
 description = "Taxonomy Parser written in Python for Open Food Facts"
+category = "main"
 optional = false
 python-versions = "^3.11"
 files = []
@@ -564,6 +705,7 @@ develop = true
 
 [package.dependencies]
 iso-639 = "^0.4.5"
+neo4j = "^5.14.0"
 unidecode = "^1.3.7"
 
 [package.source]
@@ -574,6 +716,7 @@ url = "../parser"
 name = "orjson"
 version = "3.9.15"
 description = "Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -629,10 +772,26 @@ files = [
     {file = "orjson-3.9.15.tar.gz", hash = "sha256:95cae920959d772f30ab36d3b25f83bb0f3be671e986c72ce22f8fa700dae061"},
 ]
 
+[[package]]
+name = "outcome"
+version = "1.3.0.post0"
+description = "Capture the outcome of Python function calls."
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "outcome-1.3.0.post0-py2.py3-none-any.whl", hash = "sha256:e771c5ce06d1415e356078d3bdd68523f284b4ce5419828922b6871e65eda82b"},
+    {file = "outcome-1.3.0.post0.tar.gz", hash = "sha256:9dcf02e65f2971b80047b377468e72a268e15c0af3cf1238e6ff14f7f91143b8"},
+]
+
+[package.dependencies]
+attrs = ">=19.2.0"
+
 [[package]]
 name = "packaging"
 version = "23.2"
 description = "Core utilities for Python packages"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -644,6 +803,7 @@ files = [
 name = "pathspec"
 version = "0.11.2"
 description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -655,6 +815,7 @@ files = [
 name = "platformdirs"
 version = "3.11.0"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -670,6 +831,7 @@ test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.4)", "pytest-co
 name = "pluggy"
 version = "1.3.0"
 description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -685,6 +847,7 @@ testing = ["pytest", "pytest-benchmark"]
 name = "pycodestyle"
 version = "2.11.1"
 description = "Python style guide checker"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -692,10 +855,23 @@ files = [
     {file = "pycodestyle-2.11.1.tar.gz", hash = "sha256:41ba0e7afc9752dfb53ced5489e89f8186be00e599e712660695b7a75ff2663f"},
 ]
 
+[[package]]
+name = "pycparser"
+version = "2.22"
+description = "C parser in Python"
+category = "dev"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "pycparser-2.22-py3-none-any.whl", hash = "sha256:c3702b6d3dd8c7abc1afa565d7e63d53a1d0bd86cdc24edd75470f4de499cfcc"},
+    {file = "pycparser-2.22.tar.gz", hash = "sha256:491c8be9c040f5390f5bf44a5b07752bd07f56edf992381b05c701439eec10f6"},
+]
+
 [[package]]
 name = "pydantic"
 version = "2.4.2"
 description = "Data validation using Python type hints"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -715,6 +891,7 @@ email = ["email-validator (>=2.0.0)"]
 name = "pydantic-core"
 version = "2.10.1"
 description = ""
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -833,6 +1010,7 @@ typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
 name = "pydantic-extra-types"
 version = "2.1.0"
 description = "Extra Pydantic types."
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -850,6 +1028,7 @@ all = ["phonenumbers (>=8,<9)", "pycountry (>=22,<23)"]
 name = "pydantic-settings"
 version = "2.0.3"
 description = "Settings management using Pydantic"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -865,6 +1044,7 @@ python-dotenv = ">=0.21.0"
 name = "pyflakes"
 version = "3.1.0"
 description = "passive checker of Python programs"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -876,6 +1056,7 @@ files = [
 name = "pytest"
 version = "7.4.3"
 description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -896,6 +1077,7 @@ testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "no
 name = "pytest-mock"
 version = "3.12.0"
 description = "Thin-wrapper around the mock package for easier use with pytest"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -913,6 +1095,7 @@ dev = ["pre-commit", "pytest-asyncio", "tox"]
 name = "python-dotenv"
 version = "1.0.0"
 description = "Read key-value pairs from a .env file and set them as environment variables"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -927,6 +1110,7 @@ cli = ["click (>=5.0)"]
 name = "python-multipart"
 version = "0.0.7"
 description = "A streaming multipart parser for Python"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -941,6 +1125,7 @@ dev = ["atomicwrites (==1.2.1)", "attrs (==19.2.0)", "coverage (==6.5.0)", "hatc
 name = "pytz"
 version = "2023.3.post1"
 description = "World timezone definitions, modern and historical"
+category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -952,6 +1137,7 @@ files = [
 name = "pyyaml"
 version = "6.0.1"
 description = "YAML parser and emitter for Python"
+category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -1012,6 +1198,7 @@ files = [
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 files = [
@@ -1023,6 +1210,7 @@ files = [
 name = "sniffio"
 version = "1.3.0"
 description = "Sniff out which async library your code is running under"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1030,10 +1218,23 @@ files = [
     {file = "sniffio-1.3.0.tar.gz", hash = "sha256:e60305c5e5d314f5389259b7f22aaa33d8f7dee49763119234af3755c55b9101"},
 ]
 
+[[package]]
+name = "sortedcontainers"
+version = "2.4.0"
+description = "Sorted Containers -- Sorted List, Sorted Dict, Sorted Set"
+category = "dev"
+optional = false
+python-versions = "*"
+files = [
+    {file = "sortedcontainers-2.4.0-py2.py3-none-any.whl", hash = "sha256:a163dcaede0f1c021485e957a39245190e74249897e2ae4b2aa38595db237ee0"},
+    {file = "sortedcontainers-2.4.0.tar.gz", hash = "sha256:25caa5a06cc30b6b83d11423433f65d1f9d76c4c6a0c90e3379eaa43b9bfdb88"},
+]
+
 [[package]]
 name = "starlette"
 version = "0.27.0"
 description = "The little ASGI library that shines."
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1047,10 +1248,32 @@ anyio = ">=3.4.0,<5"
 [package.extras]
 full = ["httpx (>=0.22.0)", "itsdangerous", "jinja2", "python-multipart", "pyyaml"]
 
+[[package]]
+name = "trio"
+version = "0.21.0"
+description = "A friendly Python library for async concurrency and I/O"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "trio-0.21.0-py3-none-any.whl", hash = "sha256:4dc0bf9d5cc78767fc4516325b6d80cc0968705a31d0eec2ecd7cdda466265b0"},
+    {file = "trio-0.21.0.tar.gz", hash = "sha256:523f39b7b69eef73501cebfe1aafd400a9aad5b03543a0eded52952488ff1c13"},
+]
+
+[package.dependencies]
+async-generator = ">=1.9"
+attrs = ">=19.2.0"
+cffi = {version = ">=1.14", markers = "os_name == \"nt\" and implementation_name != \"pypy\""}
+idna = "*"
+outcome = "*"
+sniffio = "*"
+sortedcontainers = "*"
+
 [[package]]
 name = "typing-extensions"
 version = "4.8.0"
 description = "Backported and Experimental Type Hints for Python 3.8+"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -1062,6 +1285,7 @@ files = [
 name = "tzdata"
 version = "2023.4"
 description = "Provider of IANA time zone data"
+category = "main"
 optional = false
 python-versions = ">=2"
 files = [
@@ -1073,6 +1297,7 @@ files = [
 name = "tzlocal"
 version = "5.2"
 description = "tzinfo object for the local timezone"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -1090,6 +1315,7 @@ devenv = ["check-manifest", "pytest (>=4.3)", "pytest-cov", "pytest-mock (>=3.3)
 name = "ujson"
 version = "5.8.0"
 description = "Ultra fast JSON encoder and decoder for Python"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -1160,6 +1386,7 @@ files = [
 name = "unidecode"
 version = "1.3.7"
 description = "ASCII transliterations of Unicode text"
+category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -1171,6 +1398,7 @@ files = [
 name = "uvicorn"
 version = "0.23.2"
 description = "The lightning-fast ASGI server."
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -1185,7 +1413,7 @@ h11 = ">=0.8"
 httptools = {version = ">=0.5.0", optional = true, markers = "extra == \"standard\""}
 python-dotenv = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
 pyyaml = {version = ">=5.1", optional = true, markers = "extra == \"standard\""}
-uvloop = {version = ">=0.14.0,<0.15.0 || >0.15.0,<0.15.1 || >0.15.1", optional = true, markers = "(sys_platform != \"win32\" and sys_platform != \"cygwin\") and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
+uvloop = {version = ">=0.14.0,<0.15.0 || >0.15.0,<0.15.1 || >0.15.1", optional = true, markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
 watchfiles = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
 websockets = {version = ">=10.4", optional = true, markers = "extra == \"standard\""}
 
@@ -1196,6 +1424,7 @@ standard = ["colorama (>=0.4)", "httptools (>=0.5.0)", "python-dotenv (>=0.13)",
 name = "uvloop"
 version = "0.19.0"
 description = "Fast implementation of asyncio event loop on top of libuv"
+category = "main"
 optional = false
 python-versions = ">=3.8.0"
 files = [
@@ -1240,6 +1469,7 @@ test = ["Cython (>=0.29.36,<0.30.0)", "aiohttp (==3.9.0b0)", "aiohttp (>=3.8.1)"
 name = "watchfiles"
 version = "0.21.0"
 description = "Simple, modern and high performance file watching and code reload in python."
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -1327,6 +1557,7 @@ anyio = ">=3.0.0"
 name = "websockets"
 version = "12.0"
 description = "An implementation of the WebSocket Protocol (RFC 6455 & 7692)"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -1407,4 +1638,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "62564236d9c2d6880db5d758ea65f942d63eec28c14575a8f17cee5406ac6154"
+content-hash = "83d5e1e974d07849d0fb26d5bb7e4c4676d9a0438b7ec2f001874df7af19ed46"
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 8640bd05..d52a25e2 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -60,3 +60,4 @@ isort = "^5.12.0"
 pytest = "^7.4.3"
 pytest-mock = "^3.12.0"
 httpx = "^0.25.1"
+anyio = "^3.7.1"
diff --git a/backend/tests/conftest.py b/backend/tests/conftest.py
index 5519b224..70fedc0b 100644
--- a/backend/tests/conftest.py
+++ b/backend/tests/conftest.py
@@ -7,6 +7,7 @@
 from neo4j.exceptions import ServiceUnavailable
 
 from editor.api import app
+from editor import graph_db
 
 
 @pytest.fixture
@@ -14,9 +15,12 @@ def client():
     with TestClient(app) as client:
         yield client
 
+@pytest.fixture(scope='session')
+def anyio_backend():
+    return 'asyncio'
 
-@pytest.fixture
-def neo4j(scope="session"):
+@pytest.fixture(scope="session")
+def neo4j():
     """waiting for neo4j to be ready"""
     uri = os.environ.get("NEO4J_URI", "bolt://localhost:7687")
     with GraphDatabase.driver(uri) as driver:
@@ -30,3 +34,15 @@ def neo4j(scope="session"):
                 else:
                     connected = True
         yield driver
+
+
+@pytest.fixture(scope='session')
+async def database_lifespan(neo4j):
+    async with graph_db.database_lifespan() as driver:
+        yield driver
+
+
+@pytest.fixture
+async def neo4j_session(database_lifespan, anyio_backend):
+    async with graph_db.TransactionCtx() as session:
+        yield session
\ No newline at end of file
diff --git a/backend/tests/test_export.py b/backend/tests/test_export.py
new file mode 100644
index 00000000..8843a95d
--- /dev/null
+++ b/backend/tests/test_export.py
@@ -0,0 +1,50 @@
+"""Test export feature
+
+The idea is to see if changes made through the api are then correctly reflected in the exported file.
+We use plain text export to avoid dealing with github
+"""
+
+import pytest
+
+from fastapi import UploadFile
+
+from editor.controllers import project_controller
+from editor.entries import TaxonomyGraph
+from editor import graph_db
+
+from .utils import FakeBackgroundTask
+
+
+@pytest.fixture()
+async def test_taxonomy(database_lifespan):
+    """We will import a project to work with
+
+    We cache the project by fully duplicating it so that setup is faster
+    """
+    from .utils import clean_neo4j_db
+    # TEMPORARY
+    await clean_neo4j_db(database_lifespan)
+    with open("tests/data/test.txt", "rb") as test_file:
+        async with graph_db.TransactionCtx() as session:
+            # clean the test project
+            await project_controller.delete_project("p_test_branch")
+            taxonomy = TaxonomyGraph("template", "test")
+            if not await taxonomy.does_project_exist():
+                # if the template project is not there, we create it
+                background_tasks = FakeBackgroundTask()
+                await taxonomy.import_taxonomy("test taxonomy", "unknown", background_tasks, UploadFile(file=test_file, filename="test.txt"))
+        # this runs in its own transaction
+        await background_tasks.run()
+        async with graph_db.TransactionCtx() as session:
+            # clone template project as test project
+            await project_controller.clone_project("template", "test", "branch")
+    return TaxonomyGraph("branch", "test")
+
+
+@pytest.mark.anyio
+async def test_no_modification(test_taxonomy):
+    background_tasks = FakeBackgroundTask()
+    file_path = test_taxonomy.dump_taxonomy(background_tasks)
+    assert open(file_path).read() == open("tests/data/test.txt").read()
+    # clean files
+    background_tasks.run()
diff --git a/backend/tests/utils.py b/backend/tests/utils.py
new file mode 100644
index 00000000..94bb7b69
--- /dev/null
+++ b/backend/tests/utils.py
@@ -0,0 +1,32 @@
+"""Some utils related to testing"""
+
+class FakeBackgroundTask:
+    """A fake background task to avoid running background tasks during tests"""
+
+    def __init__(self):
+        self.tasks = []
+
+    def add_task(self, fn, *args, **kwargs):
+        self.tasks.append((fn, args, kwargs))
+
+    async def run(self):
+        while self.tasks:
+            fn, args, kwargs = self.tasks.pop()
+            await fn(*args, **kwargs)
+
+
+async def clean_neo4j_db(neo4j):
+    """Delete all nodes and relations in the database"""
+    async with neo4j.session() as session:
+        query = "MATCH (n) DETACH DELETE n"
+        await session.run(query)
+        # list all indexes and drop them
+        query = """
+            SHOW INDEXES
+            YIELD name AS idxname
+            RETURN idxname
+        """
+        indexes = await session.run(query)
+        for index in await indexes.values():
+            query = f"DROP INDEX {index[0]} IF EXISTS"
+            await session.run(query)
\ No newline at end of file
diff --git a/docker/dev.yml b/docker/dev.yml
index 5f21bff6..3fe47be2 100644
--- a/docker/dev.yml
+++ b/docker/dev.yml
@@ -22,6 +22,8 @@ services:
       - ./parser:/parser
       # for linting / checks purpose
       - ./backend/pyproject.toml:/code/pyproject.toml
+      - ./backend/poetry.toml:/code/poetry.toml
+      - ./backend/poetry.lock:/code/poetry.lock
       - ./backend/setup.cfg:/code/setup.cfg
     # uvicorn with live reload
     command:
diff --git a/parser/openfoodfacts_taxonomy_parser/parser/parser.py b/parser/openfoodfacts_taxonomy_parser/parser/parser.py
index 57fa017b..a5f34a6f 100644
--- a/parser/openfoodfacts_taxonomy_parser/parser/parser.py
+++ b/parser/openfoodfacts_taxonomy_parser/parser/parser.py
@@ -34,7 +34,8 @@ def _create_other_node(self, tx: Transaction, node_data: NodeData, project_label
         base_properties_query = """
             id: $id,
             preceding_lines: $preceding_lines,
-            src_position: $src_position
+            src_position: $src_position,
+            src_lines: $src_lines
         """
 
         properties_query = ",\n".join([base_properties_query, *node_tags_queries])
@@ -83,6 +84,7 @@ def _create_entry_nodes(self, entry_nodes: list[NodeData], project_label: str):
             id: entry_node.id,
             preceding_lines: entry_node.preceding_lines,
             src_position: entry_node.src_position,
+            src_lines: entry_node.src_lines,
             main_language: entry_node.main_language,
             is_external: entry_node.is_external,
             original_taxonomy: entry_node.original_taxonomy
@@ -228,7 +230,8 @@ def _create_node_indexes(self, project_label: str):
 
         self.parser_logger.info(f"Created indexes in {timeit.default_timer() - start_time} seconds")
 
-    def _write_to_database(self, taxonomy: Taxonomy, taxonomy_name: str, branch_name: str):
+    def _write_nodes_to_db(self, taxonomy: Taxonomy, taxonomy_name: str, branch_name: str):
+        """Create the taxonomy objects in the database: nodes and link between them"""
         project_label = get_project_name(taxonomy_name, branch_name)
         # First create nodes,
         # then create node indexes to accelerate relationship creation,
@@ -239,6 +242,20 @@ def _write_to_database(self, taxonomy: Taxonomy, taxonomy_name: str, branch_name
         self._create_child_links(taxonomy.child_links, project_label)
         self._create_previous_links(taxonomy.previous_links, project_label)
 
+    def _add_text_to_project(self, filename: str, taxonomy_name: str, branch_name: str):
+        """Add file content to the db"""
+        query = """
+            MATCH (n:PROJECT)
+            WHERE n.branch_name = $branch_name AND n.taxonomy_name = $taxonomy_name
+            SET n.original_text = $original_text
+        """
+        params = {
+            "branch_name": branch_name,
+            "taxonomy_name": taxonomy_name,
+            "original_text": open(filename, "r", encoding="utf-8").read(),
+        }
+        self.session.run(query, params)
+
     def __call__(
         self,
         main_filename: str,
@@ -256,8 +273,9 @@ def __call__(
             taxonomy = taxonomy_parser.parse_file(
                 main_filename, external_filenames, self.parser_logger
             )
-
-            self._write_to_database(taxonomy, taxonomy_name, branch_name)
+            # add file content to the db
+            self._add_text_to_project(main_filename, taxonomy_name, branch_name)
+            self._write_nodes_to_db(taxonomy, taxonomy_name, branch_name)
 
             self.parser_logger.info(
                 f"Finished parsing {taxonomy_name} in {timeit.default_timer() - start_time} seconds"
diff --git a/parser/openfoodfacts_taxonomy_parser/parser/taxonomy_parser.py b/parser/openfoodfacts_taxonomy_parser/parser/taxonomy_parser.py
index b2758a1d..ca96bcec 100644
--- a/parser/openfoodfacts_taxonomy_parser/parser/taxonomy_parser.py
+++ b/parser/openfoodfacts_taxonomy_parser/parser/taxonomy_parser.py
@@ -27,6 +27,10 @@ class NodeData:
     preceding_lines: list[str] = field(default_factory=list)
     parent_tags: list[tuple[str, int]] = field(default_factory=list)
     src_position: int | None = None
+    # lines taken by this entry in the source file,
+    # stored a "start,end" strings, because nested collections are not supported
+    # this can be more than )start, end) if we merged duplicates
+    src_lines: list[str] | None = None
     properties: dict[str, str] = field(default_factory=dict)
     tags: dict[str, list[str]] = field(default_factory=dict)
     comments: dict[str, list[str]] = field(default_factory=dict)
@@ -39,6 +43,7 @@ def to_dict(self):
             "main_language": self.main_language,
             "preceding_lines": self.preceding_lines,
             "src_position": self.src_position,
+            "src_lines": self.src_lines,
             "is_external": self.is_external,
             "original_taxonomy": self.original_taxonomy,
             **self.properties,
@@ -230,8 +235,9 @@ def is_entry_synonyms_line(self, line):
             )
         return False
 
-    def finalize_data(self, data, comments, saved_nodes):
+    def finalize_data(self, data, comments, saved_nodes, line_number: int):
         data = self._remove_separating_line(data)
+        data.src_lines = [f"{data.src_position},{line_number}"]
         if data.get_node_type() == NodeType.ENTRY:
             self._add_comments(data, comments, "end")
         if data.id in saved_nodes:
@@ -376,7 +382,7 @@ def _harvest_entries(self, filename: str, entries_start_line: int) -> Iterator[N
                     # another function will use data to create a node
                     if previous_data is not None:
                         yield previous_data  # it's ok with this one
-                    previous_data = self.finalize_data(data, comments, saved_nodes)
+                    previous_data = self.finalize_data(data, comments, saved_nodes, line_number)
                     # if data was a duplicate (is_before is None) reuse same is_before
                     is_before = data.id if data.is_before else is_before
                     data = NodeData(is_before=is_before)
@@ -562,6 +568,8 @@ def _merge_duplicate_entry_nodes(self, entry_nodes: list[NodeData]) -> list[Node
                     )
                 # union of the preceding_lines comments
                 first_node.preceding_lines.extend(node.preceding_lines)
+                # union of src_lines
+                first_node.src_lines.extend(node.src_lines)
             else:
                 unique_entry_nodes.append(node)
                 ids_to_nodes[node.id] = node
@@ -587,7 +595,12 @@ def _create_taxonomy(
         entry_nodes: list[NodeData] = []
         entry_nodes.extend(external_entry_nodes)
         other_nodes = [
-            NodeData(id="__header__", preceding_lines=harvested_header_data, src_position=1)
+            NodeData(
+                id="__header__",
+                preceding_lines=harvested_header_data,
+                src_position=1,
+                src_lines=[f"1,{entries_start_line - 1}"],
+            )
         ]
         previous_links: list[PreviousLink] = []
         raw_child_links: list[ChildLink] = []
diff --git a/parser/openfoodfacts_taxonomy_parser/patcher.py b/parser/openfoodfacts_taxonomy_parser/patcher.py
new file mode 100644
index 00000000..d4e35963
--- /dev/null
+++ b/parser/openfoodfacts_taxonomy_parser/patcher.py
@@ -0,0 +1,113 @@
+"""This module provide a function to dump a taxonomy from a neo4j database into a file,
+but taking the original taxonomy content and only modifying nodes that where modified or added
+"""
+
+from .unparser import WriteTaxonomy
+from .utils import get_project_name, src_lines
+
+
+class PatchTaxonomy(WriteTaxonomy):
+    """Implementation to dump a taxonomy from neoo4j database into a file,
+    while taking the original content and
+    only modifying lines corresponding to nodes that where modified or added
+    """
+
+    def is_removed(self, node):
+        return any(label.startswith("REMOVED") for label in node.labels)
+
+    def get_all_nodes(self, project_label):
+        """Get modified and removed nodes, in the start line  order"""
+        query = f"""
+            MATCH (n:({project_label}|REMOVED_{project_label}))
+            WHERE
+                // no external node
+                n.is_external = false
+                AND (
+                    // modified nodes
+                    ((n:TEXT OR n:SYNONYMS OR n:STOPWORDS OR n:ENTRY) AND n.modified IS NOT NULL)
+                )
+            // optional match for node might not have parents
+            OPTIONAL
+                MATCH (n)-[r:is_child_of]->(parent)
+                WITH n, r, parent ORDER BY n.src_position, r.position
+            RETURN n, collect(parent)
+        """
+        results = self.session.run(query)
+        for result in results:
+            node, parents = result.values()
+            yield node, parents
+
+    def get_original_text(self, branch_name, taxonomy_name):
+        """Get the original text of the taxonomy"""
+        query = """
+            MATCH (n:PROJECT)
+            WHERE n.branch_name = $branch_name AND n.taxonomy_name = $taxonomy_name
+            RETURN n.original_text
+        """
+        results = self.session.run(
+            query, {"branch_name": branch_name, "taxonomy_name": taxonomy_name}
+        )
+        for result in results:
+            return result.values()[0]
+
+    def iter_lines(self, branch_name, taxonomy_name):
+        original_text = self.get_original_text(branch_name, taxonomy_name)
+        # get lines to replace and put them in a dict with the line number
+        nodes_by_lines = self.nodes_by_lines(branch_name, taxonomy_name)
+        # get lines to skip in original text
+        skip_lines = {
+            num_line
+            for node, _ in nodes_by_lines.values()
+            # note that for new nodes src_lines
+            # is empty and that's what we want (no line to skip)
+            for start, end in src_lines(node["src_lines"])
+            # line 1 is 1, not 0, so slide of 1, and put every lines
+            # we also add the following blank line in case of removed item
+            for num_line in range(start - 1, end + (1 if self.is_removed(node) else 0))
+        }
+        previous_line = None
+        node = None
+        for line_num, line in enumerate(original_text.split("\n")):
+            if line_num in nodes_by_lines:
+                node, parents = nodes_by_lines.pop(line_num)
+                if not self.is_removed(node):
+                    node_lines = list(self.iter_node_lines(dict(node), parents))
+                    if previous_line != "":
+                        # we need a blank line between 2 nodes
+                        yield ""
+                    yield from node_lines
+                    previous_line = node_lines[-1]
+            # this is not a elif, because previous entry might not replace content (new entry)
+            if line_num in skip_lines:
+                continue
+            else:
+                yield line
+                previous_line = line
+        # add remaining nodes
+        if not previous_line == "" and nodes_by_lines:
+            yield ""
+        for node, parents in nodes_by_lines.values():
+            yield from self.iter_node_lines(dict(node), parents)
+            yield ""
+
+    def nodes_by_lines(self, branch_name, taxonomy_name):
+        """Get the lines to replace in the original text"""
+        project_label = get_project_name(taxonomy_name, branch_name)
+        # get nodes by future position in the file
+        nodes_by_lines = {}
+        new_lines = -1  # we will use negative positions to add new nodes at the end
+        for node, parents in self.get_all_nodes(project_label):
+            node_position = node["src_position"]
+            if not node_position:
+                # this is a new node
+                # we try to add it nearby it's latest parent,
+                # if it's not possible, we add it at the end
+                parents_with_position = filter(lambda x: x["src_position"] is not None, parents)
+                parents_positions = sorted(parents_with_position, key=lambda x: x["src_position"])
+                if parents_positions:
+                    node_position = int(parents_positions[-1]["src_lines"][-1].split(",")[-1])
+                else:
+                    node_position = new_lines
+                    new_lines -= 1
+            nodes_by_lines[node_position] = (node, parents)
+        return nodes_by_lines
diff --git a/parser/openfoodfacts_taxonomy_parser/unparser.py b/parser/openfoodfacts_taxonomy_parser/unparser.py
index 142d7113..02442cb3 100644
--- a/parser/openfoodfacts_taxonomy_parser/unparser.py
+++ b/parser/openfoodfacts_taxonomy_parser/unparser.py
@@ -1,3 +1,5 @@
+"""This module takes a taxonomy from a Neo4j database and write it down as a text file"""
+
 import os
 import sys
 
@@ -20,6 +22,8 @@ def get_all_nodes(self, project_label):
         # and finally it returns the node and its parents
         # (the parents are ordered in the same order as in the original file)
         # Note: OPTIONAL MATCH is used to return nodes without parents
+        # Note that as we follow the is_before relation,
+        # we won't get removed nodes, as intended
         query = f"""
             MATCH path = ShortestPath(
                 (h:{project_label}:TEXT)-[:is_before*]->(f:{project_label}:TEXT)
@@ -90,11 +94,12 @@ def get_parents_lines(self, parents):
             parent_id = parent["tags_" + lc][0]
             yield "< " + lc + ":" + parent_id
 
-    def iter_lines(self, project_label):
+    def iter_lines(self, branch_name, taxonomy_name):
+        project_label = get_project_name(taxonomy_name, branch_name)
         previous_block_id = ""
         for node, parents in self.get_all_nodes(project_label):
-            node = dict(node)
             has_content = node["id"] not in ["__header__", "__footer__"]
+            node = dict(node)
             # eventually add a blank line but in specific case
             following_synonyms = node["id"].startswith("synonyms") and previous_block_id.startswith(
                 "synonyms"
@@ -105,36 +110,40 @@ def iter_lines(self, project_label):
             add_blank = has_content and not (following_synonyms or following_stopwords)
             if add_blank:
                 yield ""
-            # comments
-            yield from node.get("preceding_lines", [])
-            if has_content:
-                tags_lc = self.list_tags_lc(node)
-                if node["id"].startswith("stopwords"):
-                    yield "stopwords:" + self.get_tags_line(node, tags_lc[0])
-                elif node["id"].startswith("synonyms"):
-                    yield "synonyms:" + self.get_tags_line(node, tags_lc[0])
-                else:
-                    # parents
-                    yield from node.get("parent_comments", [])
-                    yield from self.get_parents_lines(parents)
-                    # main language synonyms first
-                    main_language = node.pop("main_language")
-                    tags_lc.remove(main_language)
-                    yield from node.get("tags_" + main_language + "_comments", [])
-                    yield self.get_tags_line(node, main_language)
-                    # more synonyms after
-                    for lc in tags_lc:
-                        yield from node.get("tags_" + lc + "_comments", [])
-                        yield self.get_tags_line(node, lc)
-                    # properties
-                    properties_list = self.list_property_and_lc(node)
-                    for property in properties_list:
-                        yield from node.get("prop_" + property + "_comments", [])
-                        yield self.get_property_line(node, property)
-                    # final comments
-                    yield from node.get("end_comments", [])
+            yield from self.iter_node_lines(node, parents)
             previous_block_id = node["id"]
 
+    def iter_node_lines(self, node, parents):
+        has_content = node["id"] not in ["__header__", "__footer__"]
+        # comments
+        yield from node.get("preceding_lines", [])
+        if has_content:
+            tags_lc = self.list_tags_lc(node)
+            if node["id"].startswith("stopwords"):
+                yield "stopwords:" + self.get_tags_line(node, tags_lc[0])
+            elif node["id"].startswith("synonyms"):
+                yield "synonyms:" + self.get_tags_line(node, tags_lc[0])
+            else:
+                # parents
+                yield from node.get("parent_comments", [])
+                yield from self.get_parents_lines(parents)
+                # main language synonyms first
+                main_language = node.pop("main_language")
+                tags_lc.remove(main_language)
+                yield from node.get("tags_" + main_language + "_comments", [])
+                yield self.get_tags_line(node, main_language)
+                # more synonyms after
+                for lc in tags_lc:
+                    yield from node.get("tags_" + lc + "_comments", [])
+                    yield self.get_tags_line(node, lc)
+                # properties
+                properties_list = self.list_property_and_lc(node)
+                for property in properties_list:
+                    yield from node.get("prop_" + property + "_comments", [])
+                    yield self.get_property_line(node, property)
+                # final comments
+                yield from node.get("end_comments", [])
+
     def rewrite_file(self, filename, lines):
         """Write a .txt file with the given name"""
         filename = normalize_filename(filename)
@@ -145,8 +154,7 @@ def rewrite_file(self, filename, lines):
     def __call__(self, filename, branch_name, taxonomy_name):
         filename = normalize_filename(filename)
         branch_name = normalize_text(branch_name, char="_")
-        project_label = get_project_name(taxonomy_name, branch_name)
-        lines = self.iter_lines(project_label)
+        lines = self.iter_lines(branch_name, taxonomy_name)
         self.rewrite_file(filename, lines)
 
 
diff --git a/parser/openfoodfacts_taxonomy_parser/utils.py b/parser/openfoodfacts_taxonomy_parser/utils.py
index 3362c58a..9eaa7961 100644
--- a/parser/openfoodfacts_taxonomy_parser/utils.py
+++ b/parser/openfoodfacts_taxonomy_parser/utils.py
@@ -62,3 +62,11 @@ def normalize_filename(filename: str) -> str:
 def get_project_name(taxonomy_name: str, branch_name: str) -> str:
     """Create a project name for given branch and taxonomy"""
     return "p_" + taxonomy_name + "_" + branch_name
+
+
+def src_lines(src_lines_str: list[str] | None):
+    if src_lines_str is None:
+        return  # empty
+    for line in src_lines_str:
+        start, end = line.split(",")
+        yield int(start), int(end)
diff --git a/parser/tests/integration/test_parse_unparse_integration.py b/parser/tests/integration/test_parse_unparse_integration.py
index 07102157..b9876f7a 100644
--- a/parser/tests/integration/test_parse_unparse_integration.py
+++ b/parser/tests/integration/test_parse_unparse_integration.py
@@ -1,8 +1,9 @@
+import datetime
 import pathlib
 
 import pytest
 
-from openfoodfacts_taxonomy_parser import parser, unparser
+from openfoodfacts_taxonomy_parser import parser, patcher, unparser
 
 # taxonomy in text format : test.txt
 TEST_TAXONOMY_TXT = str(pathlib.Path(__file__).parent.parent / "data" / "test.txt")
@@ -13,26 +14,23 @@
 @pytest.fixture(autouse=True)
 def test_setup(neo4j):
     # delete all the nodes, relations and search indexes in the database
-    query = "MATCH (n:p_test_branch) DETACH DELETE n"
-    neo4j.session().run(query)
-    query = "DROP INDEX p_test_branch_SearchIds IF EXISTS"
-    neo4j.session().run(query)
-    query = "DROP INDEX p_test_branch_SearchTagsIds IF EXISTS"
-    neo4j.session().run(query)
-
-    query1 = "MATCH (n:p_test_branch1) DETACH DELETE n"
-    neo4j.session().run(query1)
-    query1 = "DROP INDEX p_test_branch1_SearchIds IF EXISTS"
-    neo4j.session().run(query1)
-    query1 = "DROP INDEX p_test_branch1_SearchTagsIds IF EXISTS"
-    neo4j.session().run(query1)
-
-    query2 = "MATCH (n:p_test_branch2) DETACH DELETE n"
-    neo4j.session().run(query2)
-    query2 = "DROP INDEX p_test_branch2_SearchIds IF EXISTS"
-    neo4j.session().run(query2)
-    query2 = "DROP INDEX p_test_branch2_SearchTagsIds IF EXISTS"
-    neo4j.session().run(query2)
+    for label in ["p_test_branch", "p_test_branch1", "p_test_branch2"]:
+        query = f"MATCH (n:{label}) DETACH DELETE n"
+        neo4j.session().run(query)
+        query = f"MATCH (n:REMOVED_{label}) DETACH DELETE n"
+        neo4j.session().run(query)
+        query = f"DROP INDEX {label}_SearchIds IF EXISTS"
+        neo4j.session().run(query)
+        query = f"DROP INDEX {label}_SearchTagsIds IF EXISTS"
+        neo4j.session().run(query)
+
+
+def add_project_node(session, branch_name, taxonomy_name):
+    query = f"""CREATE (p:PROJECT)
+    SET p.branch_name = "{branch_name}"
+    SET p.taxonomy_name = "{taxonomy_name}"
+    """
+    session.run(query)
 
 
 def test_round_trip(neo4j):
@@ -50,7 +48,7 @@ def test_round_trip(neo4j):
 
         # dump taxonomy back
         test_dumper = unparser.WriteTaxonomy(session)
-        lines = list(test_dumper.iter_lines("p_test_branch"))
+        lines = list(test_dumper.iter_lines("branch", "test"))
 
     original_lines = [line.rstrip("\n") for line in open(TEST_TAXONOMY_TXT)]
     # expected result is close to original file with a few tweaks
@@ -94,8 +92,8 @@ def test_two_branch_round_trip(neo4j):
 
         # dump taxonomy back
         test_dumper = unparser.WriteTaxonomy(session)
-        lines_branch1 = list(test_dumper.iter_lines("p_test_branch1"))
-        lines_branch2 = list(test_dumper.iter_lines("p_test_branch2"))
+        lines_branch1 = list(test_dumper.iter_lines("branch1", "test"))
+        lines_branch2 = list(test_dumper.iter_lines("branch2", "test"))
 
     original_lines = [line.rstrip("\n") for line in open(TEST_TAXONOMY_TXT)]
     # expected result is close to original file with a few tweaks
@@ -136,7 +134,7 @@ def test_round_trip_with_external_taxonomies(neo4j):
 
         # dump taxonomy back
         test_dumper = unparser.WriteTaxonomy(session)
-        lines = list(test_dumper.iter_lines("p_test_branch"))
+        lines = list(test_dumper.iter_lines("branch", "test"))
 
     original_lines = [line.rstrip("\n") for line in open(TEST_TAXONOMY_TXT)]
     # expected result is close to original file with a few tweaks
@@ -151,3 +149,242 @@ def test_round_trip_with_external_taxonomies(neo4j):
         expected_lines.append(line)
 
     assert expected_lines == lines
+
+
+def test_round_trip_patcher(neo4j):
+    """test parsing and dumping back a taxonomy"""
+    with neo4j.session() as session:
+        add_project_node(session, "branch", "test")
+        test_parser = parser.Parser(session)
+
+        # parse taxonomy
+        test_parser(TEST_TAXONOMY_TXT, None, "branch", "test")
+        # just quick check it runs ok with total number of nodes
+        query = "MATCH (n:p_test_branch) RETURN COUNT(*)"
+        result = session.run(query)
+        number_of_nodes = result.value()[0]
+        assert number_of_nodes == 14
+
+        # dump taxonomy back
+        test_dumper = patcher.PatchTaxonomy(session)
+        lines = list(test_dumper.iter_lines("branch", "test"))
+
+    original_lines = [line.rstrip("\n") for line in open(TEST_TAXONOMY_TXT)]
+
+    # no tweak with patcher
+    assert original_lines == lines
+
+
+pytest.mark.skip(reason="not finished yet")
+
+
+def test_patcher_with_modifications(neo4j):
+    """test parsing, modifying and dumping back a taxonomy"""
+    with neo4j.session() as session:
+        add_project_node(session, "branch", "test")
+        test_parser = parser.Parser(session)
+
+        # parse taxonomy
+        test_parser(TEST_TAXONOMY_TXT, None, "branch", "test")
+
+        # safety check if we get expected node count
+        result = session.run("MATCH (n:p_test_branch) RETURN COUNT(*)")
+        number_of_nodes = result.value()[0]
+        assert number_of_nodes == 14
+
+        # make some modifications
+        modified = datetime.datetime.now().timestamp()
+        # modify entry yogourts
+        result = session.run(
+            f"""
+            MATCH (n:p_test_branch)
+            WHERE n.id = "en:yogurts"
+            SET n.tags_en = ["yogurts", "yogurt", "yooghurt"],
+                n.tags_ids_en = ["yogurts", "yogurt", "yooghurt"],
+                n.modified = {modified}
+            RETURN n.id
+        """
+        )
+        assert result.values() == [["en:yogurts"]]
+        # remove a node parent
+        result = session.run(
+            """
+            MATCH (n:p_test_branch) - [r:is_child_of] -> (m:p_test_branch)
+            WHERE m.id = "en:yogurts" AND n.id = "en:banana-yogurts"
+            DELETE r
+            RETURN n.id, m.id
+        """
+        )
+        assert result.values() == [["en:banana-yogurts", "en:yogurts"]]
+        result = session.run(
+            f"""
+            MATCH (n:p_test_branch)
+            WHERE n.id = "en:banana-yogurts"
+            SET n.modified = {modified}
+            RETURN n.id
+        """
+        )
+        assert result.values() == [["en:banana-yogurts"]]
+        # delete an entry
+        # we first attach its children to it's parent and mark it as modified
+        # QUIRK: which should also modify the previous/next relation,
+        # but we don't because there is no need in for this test
+        result = session.run(
+            f"""
+            MATCH (n:p_test_branch)
+            WHERE n.id = "fr:yaourts-fruit-passion-alleges"
+            SET n.modified = {modified}
+            WITH n
+            MATCH (m:p_test_branch)
+            WHERE m.id = "en:yogurts"
+            CREATE (n) - [:is_child_of] -> (m)
+            RETURN n.id, m.id
+            """
+        )
+        assert result.values() == [["fr:yaourts-fruit-passion-alleges", "en:yogurts"]]
+        # detach the node and set the node as REMOVED
+        result = session.run(
+            f"""
+            MATCH (n:p_test_branch) - [r] - (m:p_test_branch)
+            WHERE m.id = "en:passion-fruit-yogurts"
+            DELETE r
+            REMOVE m:p_test_branch
+            SET m:REMOVED_p_test_branch
+            SET m.modified = {modified}
+            RETURN m.id
+        """
+        )
+        assert result.values() == [["en:passion-fruit-yogurts"]] * 4
+        assert result._metadata["stats"] == {
+            "contains-updates": True,
+            "relationships-deleted": 4,
+            "labels-added": 1,
+            "labels-removed": 1,
+            "properties-set": 4,
+        }
+        # TODO:
+        # add new entry with a parent inside the file
+        result = session.run(
+            f"""
+            CREATE (n:p_test_branch:ENTRY {{
+            id: "en:smashed-banana-yogurts",
+            // preceding_lines: null,
+            // src_position: null,
+            // src_lines: null,
+            is_external: false,
+            main_language: "en",
+            tags_en: ["smashed banana yogurts", "squashed banana yogurts"],
+            tags_ids_en: ["smashed-banana-yogurts", "squashed-banana-yogurts"],
+            tags_fr: ["yaourts à la banane écrasée"],
+            tags_ids_fr: ["yaourts-banane-ecrase"],
+            modified: {modified}
+            }})
+            WITH n
+            MATCH (m:p_test_branch)
+            WHERE m.id = "en:banana-yogurts"
+            CREATE (n) - [:is_child_of {{position: 1}}] -> (m)
+            RETURN n.id, m.id
+        """
+        )
+        assert result.values() == [["en:smashed-banana-yogurts", "en:banana-yogurts"]]
+        # add new entry child of this one --> end of file
+        result = session.run(
+            f"""
+            CREATE (n:p_test_branch:ENTRY {{
+            id: "en:smashed-green-banana-yogurts",
+            // preceding_lines: null,
+            // src_position: null,
+            // src_lines: null,
+            is_external: false,
+            main_language: "en",
+            tags_en: ["smashed green banana yogurts"],
+            tags_ids_en: ["smashed-green-banana-yogurts"],
+            modified: {modified}
+            }})
+            WITH n
+            MATCH (m:p_test_branch)
+            WHERE m.id = "en:smashed-banana-yogurts"
+            CREATE (n) - [:is_child_of {{position: 1}}] -> (m)
+            RETURN n.id, m.id
+        """
+        )
+        assert result.values() == [["en:smashed-green-banana-yogurts", "en:smashed-banana-yogurts"]]
+        # add new entry without parents --> end of file
+        result = session.run(
+            f"""
+            CREATE (n:p_test_branch:ENTRY {{
+            id: "en:cookies",
+            // preceding_lines: null,
+            // src_position: null,
+            // src_lines: null,
+            is_external: false,
+            main_language: "en",
+            tags_en: ["Cookies"],
+            tags_ids_en: ["cookies"],
+            tags_fr: ["Gateaux", "Petits gateaux", "Biscuits"],
+            tags_ids_fr: ["gateaux", "petits-gateaux", "biscuits"],
+            prop_vegan_en: "maybe",
+            modified: {modified}
+            }})
+            RETURN n.id
+        """
+        )
+        assert result.values() == [["en:cookies"]]
+
+        # just quick check it runs ok with total number of nodes
+        result = session.run("MATCH (n:p_test_branch) RETURN COUNT(*)")
+        number_of_nodes = result.value()[0]
+        assert number_of_nodes == 16
+        result = session.run("MATCH (n:REMOVED_p_test_branch) RETURN COUNT(*)")
+        number_of_nodes = result.value()[0]
+        assert number_of_nodes == 1
+
+        # dump taxonomy back
+        test_dumper = patcher.PatchTaxonomy(session)
+        lines = list(test_dumper.iter_lines("branch", "test"))
+
+    original_lines = [line.rstrip("\n") for line in open(TEST_TAXONOMY_TXT)]
+
+    # expected result is close to original file with a few tweaks
+    expected_lines = []
+    for num, (line, next_line) in enumerate(zip(original_lines, original_lines[1:] + [None])):
+        more_lines = []
+        # changed parent
+        if line.startswith("< fr:yaourts fruit de la passion"):
+            line = "< en:yogurts"
+        # no more parent
+        elif line.startswith("< en:yogurts") and next_line.startswith("en: banana yogurts"):
+            continue
+        # removed entry
+        elif num in range(16, 20):
+            continue
+        # changed synonyms
+        elif line.startswith("en: yogurts, yoghurts"):
+            line = "en: yogurts, yogurt, yooghurt"
+        # commenting non existing parents
+        elif line.startswith("< en:milk"):
+            line = "# < en:milk"
+        elif line.startswith("fr: yaourts à la banane"):
+            # added entry under this parent
+            more_lines = [
+                "",
+                "< en:banana yogurts",
+                "en: smashed banana yogurts, squashed banana yogurts",
+                "fr: yaourts à la banane écrasée",
+            ]
+        expected_lines.append(line)
+        expected_lines.extend(more_lines)
+    # added lines
+    expected_lines.extend(
+        [
+            "",
+            "< en:smashed banana yogurts",
+            "en: smashed green banana yogurts",
+            "",
+            "en: Cookies",
+            "fr: Gateaux, Petits gateaux, Biscuits",
+            "vegan:en: maybe",
+            "",
+        ]
+    )
+    assert expected_lines == lines
diff --git a/taxonomy-editor-frontend/src/pages/project/search/FiltersArea.tsx b/taxonomy-editor-frontend/src/pages/project/search/FiltersArea.tsx
index 2908b40d..6614a834 100644
--- a/taxonomy-editor-frontend/src/pages/project/search/FiltersArea.tsx
+++ b/taxonomy-editor-frontend/src/pages/project/search/FiltersArea.tsx
@@ -23,7 +23,8 @@ export const FiltersArea = ({
   setQ,
   filters,
 }: FiltersAreaProps) => {
-  const [nodesLevel, setNodesLevel] = useState<string>("root");
+  const [isModified, setIsModified] = useState<string>("modified");
+  const [nodesLevel, setNodesLevel] = useState<string>("both");
   const [taxonomyScope, setTaxonomyScope] = useState<string>("both");
   const [chosenLanguagesCodes, setChosenLanguagesCodes] = useState<string[]>(
     [],
@@ -32,13 +33,15 @@ export const FiltersArea = ({
     useState<string[]>([]);
 
   const initializeFilters = (): {
+    isModified: string;
     nodesLevel: string;
     taxonomyScopeMode: string; //"in" -> in taxonomy, "out" -> outside taxonomy, "" -> filter not selected
     chosenLanguagesCodes: string[];
     withoutChosenLanguagesCodes: string[];
   } => {
     return {
-      nodesLevel: "root",
+      isModified: "modified",
+      nodesLevel: "both",
       taxonomyScopeMode: "",
       chosenLanguagesCodes: [],
       withoutChosenLanguagesCodes: [],
@@ -46,9 +49,13 @@ export const FiltersArea = ({
   };
 
   const updateFiltersStates = useCallback((updatedFilters) => {
+    // start by initializing to default values
     const filtersStates = initializeFilters();
+    // track if each filter is present or note
     let hasScopeFilterInQ = false;
     let hasLevelFilterInQ = false;
+    let hasModifiedFilterInQ = false;
+    // read filters and impact values
     for (const filter of updatedFilters) {
       switch (filter.filterType) {
         case "is":
@@ -65,6 +72,14 @@ export const FiltersArea = ({
               filtersStates.taxonomyScopeMode = "not:external";
               hasScopeFilterInQ = true;
               break;
+            case "modified":
+              filtersStates.isModified = "modified";
+              hasModifiedFilterInQ = true;
+              break;
+            case "not:modified":
+              filtersStates.isModified = "not:modified";
+              hasModifiedFilterInQ = true;
+              break;
           }
           break;
         case "language":
@@ -80,6 +95,8 @@ export const FiltersArea = ({
           break;
       }
     }
+    // modify filters display consequently
+    setIsModified(hasModifiedFilterInQ ? filtersStates.isModified : "both");
     setNodesLevel(hasLevelFilterInQ ? filtersStates.nodesLevel : "both");
     setTaxonomyScope(
       hasScopeFilterInQ ? filtersStates.taxonomyScopeMode : "both",
@@ -92,6 +109,12 @@ export const FiltersArea = ({
     updateFiltersStates(filters);
   }, [filters, updateFiltersStates]);
 
+  // mapping from names to value
+  const modifiedOptions = {
+    All: "both",
+    "Only Modified": "modified",
+    "Only not modified": "not:modified",
+  };
   const scopeOptions = {
     "Only Outside Current Taxonomy": "external",
     "Only In Current Taxonomy": "not:external",
@@ -117,6 +140,15 @@ export const FiltersArea = ({
         alignItems: "center",
       }}
     >
+      <SingleSelectFilter
+        label="Status"
+        filterValue={isModified}
+        listOfChoices={Object.keys(modifiedOptions)}
+        mapValueToCode={(value: string) => modifiedOptions[value]}
+        setQ={setQ}
+        keySearchTerm="is"
+        setCurrentPage={setCurrentPage}
+      />
       <SingleSelectFilter
         label="Hierarchy Level"
         filterValue={nodesLevel}