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Article

Role of the PSII-H subunit in photoprotection: novel aspects of D1 turnover in Synechocystis 6803.

The Journal of biological chemistry - 24 Oct 2003

Bergantino Elisabetta, Brunetta Alessia, Touloupakis Eleftherios, Segalla Anna, Szabò Ildikò, Giacometti Giorgio Mario

Abstract excerpt

Photosystem I-less Synechocystis 6803 mutants carrying modified PsbH proteins, derived from different combinations of wild-type cyanobacterial and maize genes, were constructed. The mutants were analyzed in order to determine the relative importance of the intra- and extramembrane domains of the PsbH subunit in the functioning of photosystem (PS) II, by a combination of biochemical, biophysical, and physiological...

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Identifiers

PMID: 12909614
DOI: 10.1074/jbc.M303096200

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Role of the PSII-H subunit in photoprotection: novel aspects of D1 turnover in Synechocystis 6803.PMID 12909614Read ↗

The exposed N-terminal tail of the D1 subunit is required for rapid D1 degradation during photosystem II repair in Synechocystis sp PCC 6803.Semantic proximity Read ↗

Synechocystis 6803 mutants expressing distinct forms of the Photosystem II D1 protein from Synechococcus 7942: relationship between the psbA coding region and sensitivity to visible and UV-B radiation.Semantic proximity Read ↗

Amino acid substitutions in the D1 protein of photosystem II affect QB- stabilization and accelerate turnover of D1.Semantic proximity Read ↗

Degradation of the Photosystem II D1 and D2 proteins in different strains of the cyanobacterium Synechocytis PCC 6803 varying with respect to the type and level of psbA transcript.Semantic proximity Read ↗

FtsH is involved in the early stages of repair of photosystem II in Synechocystis sp PCC 6803.Semantic proximity Read ↗

Slr0151 in Synechocystis sp. PCC 6803 is required for efficient repair of photosystem II under high-light condition.Semantic proximity Read ↗

Irreversible photoinhibition of photosystem II is caused by exposure of Synechocystis cells to strong light for a prolonged period.Semantic proximity Read ↗

Role of FtsH2 in the repair of Photosystem II in mutants of the cyanobacterium Synechocystis PCC 6803 with impaired assembly or stability of the CaMn(4) cluster.Semantic proximity Read ↗

Significance of the photosystem II core phosphatase PBCP for plant viability and protein repair in thylakoid membranes.Semantic proximity Read ↗

Functional analysis of the two homologous psbA gene copies in Synechocystis PCC 6714 and PCC 6803.Semantic proximity Read ↗

PsbT polypeptide is required for efficient repair of photodamaged photosystem II reaction center.Semantic proximity Read ↗

Site-specific mutations localized in the D-E loop of the D1 protein of photosystem II affect phototolerance in Synechocystis sp. PCC 6803 containing psbAII gene.Semantic proximity Read ↗

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