Journal
PLANT SIGNALING & BEHAVIOR
Volume 11, Issue 9, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15592324.2016.1218587
Keywords
Chloroplast; D1; photosynthesis; photodamage; thylakoid membrane
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Funding
- Deutsche Forschungsgemeinschaft [Schr 617/9-1]
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The ability of photosystem (PS) II to catalyze the light-driven oxidation of water comes along with its vulnerability to oxidative damage, in particular of the D1 core subunit. Photodamaged PSII undergoes repair in a multi-step process involving (i) reversible phosphorylation of PSII core subunits; (ii) monomerization and lateral migration of the PSII core from grana to stroma thylakoids; (iii) partial disassembly of PSII; (iv) proteolytic degradation of damaged D1; (v) replacement of damaged D1 protein with a new copy; (vi) reassembly of PSII monomers and migration back to grana thylakoids for dimerization and supercomplex assembly. Here we review the current knowledge on the PSII repair cycle.
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