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Mutations in AtpB and LexA confer temperature tolerance in an evolved Synechocystis sp. PCC 6803 strain resistant to high temperature and light.

Plant physiology and biochemistry : PPB - 1 Jun 2026

Wang Wenqi, Pan Kungang, Gao Jiawei, Chen Lei, Sun Tao, Zhang Weiwen

Abstract excerpt

Outdoor-scale cultivation of cyanobacteria can encounter multiple stresses, including high temperature (HT) and excessive light (HL) exposure. In this study, we obtained HL and HT tolerant strains through adaptive laboratory evolution. The evolved strains (HLHT-1, HLHT-2, and HLHT-3) exhibited lower levels of ROS, improved photosynthetic performance and pigment levels, and greater dry weight and glycogen compared...

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PMID: 42155158
DOI: 10.1016/j.plaphy.2026.111384

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