
Biochemists discover the auto repair function in the key photosynthetic protein complex
Protein phosphorylation as a promoter of PSII disassembly. Credit: Plant communications (2024). DOI: 10.1016/J.XPLC.2024.101202 Cyanobacteria began to contribute oxygen to the mostly harmful atmosphere of the Earth more than 2 billion years ago. The Photosystem II protein complex now shared by several lineages of cyanobacteria, algae and land plants has served as an important oxygen…