ArticlePhotosynthesis research2015
Characterization of a Synechocystis sp. PCC 6803 double mutant lacking the CyanoP and Ycf48 proteins of Photosystem II.
Article in Photosynthesis research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed.
- Advances in the Understanding of the Lifecycle of Photosystem II.Microorganisms · 2022Review
- The PsbJ protein is required for photosystem II activity in centers lacking the PsbO and PsbV lumenal subunits.Photosynthesis research · 2022Article
- The extrinsic proteins of photosystem II: update.Planta · 2016Review
- The N-terminal sequence of the extrinsic PsbP protein modulates the redox potential of Cyt b559 in photosystem II.Scientific reports · 2016Article
- Mutation of Gly195 of the ChlH Subunit of Mg-chelatase Reduces Chlorophyll and Further Disrupts PS II Assembly in a Ycf48-Deficient Strain of Synechocystis sp. PCC 6803.Frontiers in plant science · 2016Article
- The Role of Slr0151, a Tetratricopeptide Repeat Protein from Synechocystis sp. PCC 6803, during Photosystem II Assembly and Repair.Frontiers in plant science · 2016Article
- Environmental pH and the Requirement for the Extrinsic Proteins of Photosystem II in the Function of Cyanobacterial Photosynthesis.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Homologs of the Photosystem II (PS II) subunit PsbP are found in plants, algae, and cyanobacteria. In higher plants, PsbP is associated with mature PS II centers, but in cyanobacteria, the homologous CyanoP protein appears sub-stoichiometric to PS II. We have investigated the role of CyanoP by characterizing knockout mutants of the cyanobacterium Synechocystis sp. PCC 6803. Removal of CyanoP resulted in changes to phycobilisome coupling and energy transfer to PS II, but the function of PS II itself remained similar to wild type. We therefore investigated the hypothesis that CyanoP is involved in the biogenesis or repair of PS II by creating a double mutant lacking both CyanoP and the PS II assembly factor Ycf48. This strain exhibited an additive reduction in the amplitude of variable chlorophyll a fluorescence induction relative to either of the single mutants but displayed increased oxygen evolution, slight increases in PS II monomer and dimer levels, and a reduction in accumulation of an early PS II assembly complex containing CP47, compared to the ΔYcf48 strain.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.