ArticlePlant physiology2011
HCF243 encodes a chloroplast-localized protein involved in the D1 protein stability of the arabidopsis photosystem II complex.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 25 citations in OpenAlex.
- Strategies for adaptation to high light in plants.aBIOTECH · 2024Review
- De-etiolation-induced protein 1 (DEIP1) mediates assembly of the cytochrome bNature communications · 2022Article
- LPA2 protein is involved in photosystem II assembly in Chlamydomonas reinhardtii.The Plant journal : for cell and molecular biology · 2021Article
- PAP90, a novel rice protein plays a critical role in regulation of D1 protein stability of PSII.Journal of advanced research · 2021Article
- ONE-HELIX PROTEIN2 (OHP2) Is Required for the Stability of OHP1 and Assembly Factor HCF244 and Is Functionally Linked to PSII Biogenesis.Plant physiology · 2018Article
- Revisiting the photosystem II repair cycle.Plant signaling & behavior · 2016Review
- Identification and Roles of Photosystem II Assembly, Stability, and Repair Factors in Arabidopsis.Frontiers in plant science · 2016Review
- Photosystem II Assembly from Scratch.Frontiers in plant science · 2015Article
- Overexpression of the Maize psbA Gene Enhances Drought Tolerance Through Regulating Antioxidant System, Photosynthetic Capability, and Stress Defense Gene Expression in Tobacco.Frontiers in plant science · 2015Article
- MET1 is a thylakoid-associated TPR protein involved in photosystem II supercomplex formation and repair in Arabidopsis.The Plant cell · 2015Article
- Evidence for a role of chloroplastic m-type thioredoxins in the biogenesis of photosystem II in Arabidopsis.Plant physiology · 2013Article
- Regulatory factors for the assembly of thylakoid membrane protein complexes.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Review
- The atypical short-chain dehydrogenases HCF173 and HCF244 are jointly involved in translational initiation of the psbA mRNA of Arabidopsis.Plant physiology · 2012Article
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Authors and funding
10 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Numerous auxiliary nuclear factors have been identified to be involved in the dynamics of the photosystem II (PSII) complex. In this study, we characterized the high chlorophyll fluorescence243 (hcf243) mutant of Arabidopsis (Arabidopsis thaliana), which shows higher chlorophyll fluorescence and is severely deficient in the accumulation of PSII supercomplexes compared with the wild type. The amount of core subunits was greatly decreased, while the outer antenna subunits and other subunits were hardly affected in hcf243. In vivo protein-labeling experiments indicated that the synthesis rate of both D1 and D2 proteins decreased severely in hcf243, whereas no change was found in the rate of other plastid-encoded proteins. Furthermore, the degradation rate of the PSII core subunit D1 protein is higher in hcf243 than in the wild type, and the assembly of PSII is retarded significantly in the hcf243 mutant. HCF243, a nuclear gene, encodes a chloroplast protein that interacts with the D1 protein. HCF243 homologs were identified in angiosperms with one or two copies but were not found in lower plants and prokaryotes. These results suggest that HCF243, which arose after the origin of the higher plants, may act as a cofactor to maintain the stability of D1 protein and to promote the subsequent assembly of the PSII complex.
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