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Cytochrome c oxidase of the cyanobacterium Synechocystis sp. PCC 6803 protects photosynthesis from salt stress

Ryu, Jee-Youn; Suh, Kye-Hong; Chung, Young-Ho; Park, Young-Mok; Chow, Wah S (Fred); Park, Youn-Il


We generated cytochrome c oxidase (CtaI)-defective cells of the cyanobacterium Synechocystis sp. PCC 6803 in order to investigate the physiological function of the CtaI-mediated respiratory electron transport pathway. When they were salt stressed, CtaI-defective cells showed a substantial decrease in photosynthesis due to reduction of the photochemical efficiency of Photosystem II and of the chlorophyll in the reaction center of the photo-oxidizable form of Photosystem I. These findings...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Molecules and Cells


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