organellar chromatophore thylakoid

GO:0070116 · Membrane organelle · Membrane bounded organelle · Proposed

A thylakoid located in an organellar chromatophore [GO:0070116]

Part of: organellar chromatophore (GO:0070111)

Has part: organellar chromatophore thylakoid lumen (GO:0070117); organellar chromatophore thylakoid membrane (GO:0070118)

Xrefs: uniprot.location:SL-0354 — Organellar chromatophore thylakoid

UniProt location names: UniProt Consortium, CC BY 4.0. Reference label and route sources.

Components

Component	Type	Part of / acts on	Grounding	Genes	Stoichiometry	Essential	Role
organellar chromatophore thylakoid membrane	Lipid	part of	`GO:0070118`			UNKNOWN	Internal membrane of the Paulinella chromatophore thylakoid that houses the complexes for the light reactions of photosynthesis. `GO:0070118` GO:0070118 defines the organellar chromatophore thylakoid membrane as the internal membrane system carrying light-reaction complexes.

Taxonomic distribution

NCBITaxon:39717 Paulinella chromatophora — COMMON: Paulinella chromatophora organellar chromatophores contain thylakoids used for photosynthesis. [DOI:10.5586/asbp.2014.049]

Canonical examples

NCBITaxon:39717 Paulinella chromatophora — Model thecate amoeba for cyanobacterium-derived organellar chromatophores with internal thylakoids. [DOI:10.5586/asbp.2014.049]

Functions

photosynthesis, light reaction GO:0019684 — The organellar chromatophore thylakoid is an internal membrane system carrying complexes for the light reactions of photosynthesis.
- uniprot.location:SL-0354 — Organellar chromatophore thylakoid UniProt SL-0354 describes the organellar chromatophore thylakoid as carrying the complexes for the light reactions of photosynthesis.

Mechanism graphs

Organellar chromatophore thylakoid topology (FUNCTION)

The Paulinella organellar chromatophore thylakoid contains a lumen bounded by thylakoid membrane, and the membrane carries light-reaction photosynthetic complexes.

Subject	Predicate	Object	Evidence
organellar chromatophore thylakoid membrane	bounds	organellar chromatophore thylakoid lumen	`GO:0070117` GO:0070117 defines the lumen as the compartment bounded by the thylakoid membrane.
organellar chromatophore thylakoid membrane	supports	photosynthesis, light reaction	`GO:0070118` GO:0070118 defines the membrane as the internal system that houses light-reaction complexes.

Evidence

GO:0070116 Gene Ontology cellular-component term for organellar chromatophore thylakoid.
GO:0009579 Gene Ontology cellular-component term for thylakoid.
GO:0070111 Gene Ontology cellular-component term for the organellar chromatophore parent.
GO:0070117 Gene Ontology cellular-component term for organellar chromatophore thylakoid lumen.
GO:0070118 Gene Ontology cellular-component term for organellar chromatophore thylakoid membrane.
uniprot.location:SL-0354 — Organellar chromatophore thylakoid UniProt Subcellular Location entry SL-0354 maps to GO:0070116 and describes the organellar chromatophore thylakoid as internal photosynthetic membranes in Paulinella species.
DOI:10.5586/asbp.2014.049 Nowack 2014 reviews the evolution of the photosynthetic Paulinella chromatophore.

Curation history

2026-09-12T12:30:28Z codex · CREATED_RECORD — Scaffolded by scripts/new_record.py
2026-09-12T12:30:51Z codex · EXPANDED_RECORD — Added thylakoid parentage, organellar chromatophore parthood, thylakoid lumen and membrane part terms, a GO-grounded thylakoid-membrane component, Paulinella chromatophora distribution and example, a light-reaction function, a nonmechanistic topology graph, and UniProt Subcellular Location evidence.
2026-09-12T12:37:27Z codex · ADDRESS_REVIEW — Resolved #647 by citing the Paulinella chromatophora review DOI for the species-level distribution row; resolved #646 by removing the whole-chromatophore Singer et al. protein-import DOI from thylakoid record-level evidence.

Source: data/structures/membrane_organelle/organellar_chromatophore_thylakoid.yaml