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Article

Supercomplexes of IsiA and photosystem I in a mutant lacking subunit PsaL.

Biochimica et biophysica acta - 17 Feb 2005

Kouril Roman, Yeremenko Nataliya, D'Haene Sandrine, Oostergetel Gert T, Matthijs Hans C P, Dekker Jan P, Boekema Egbert J

Abstract excerpt

The cyanobacterium Synechocystis PCC 6803 grown under short-term iron-deficient conditions assembles a supercomplex consisting of a trimeric Photosystem I (PSI) complex encircled by a ring of 18 IsiA complexes. Furthermore, it has been shown that single or double rings of IsiA with up to 35 copies in total can surround monomeric PSI. Here we present an analysis by electron microscopy and image analysis of the...

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Identifiers

PMID: 15694354
DOI: 10.1016/j.bbabio.2004.11.008

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Supercomplexes of IsiA and photosystem I in a mutant lacking subunit PsaL.PMID 15694354Read ↗

IsiA is required for the formation of photosystem I supercomplexes and for efficient state transition in synechocystis PCC 6803.Semantic proximity Read ↗

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A photosystem 1 psaFJ-null mutant of the cyanobacterium Synechocystis PCC 6803 expresses the isiAB operon under iron replete conditions.Semantic proximity Read ↗

Trimeric organization of photosystem I is required to maintain the balanced photosynthetic electron flow in cyanobacterium Synechocystis sp. PCC 6803.Semantic proximity Read ↗

Elevated growth temperature can enhance photosystem I trimer formation and affects xanthophyll biosynthesis in Cyanobacterium Synechocystis sp. PCC6803 cells.Semantic proximity Read ↗

Presence of a [3Fe-4S] cluster in a PsaC variant as a functional component of the photosystem I electron transfer chain in Synechococcus sp. PCC 7002.Semantic proximity Read ↗

The chlorophyll-binding protein IsiA is inducible by high light and protects the cyanobacterium Synechocystis PCC6803 from photooxidative stress.Semantic proximity Read ↗

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