Partial photoswitching of rod-shaped phycobilisome production in the cyanobacterium Synechocystis sp. PCC 6803.

ABSTRACT: Certain cyanobacteria can alter the structure of their photosynthetic supercomplex phycobilisome (PBS) in response to changes in ambient light color. This process is known as chromatic acclimation (CA) and is classified into seven types (CA1-CA7), each involving distinct modifications of PBS structure. Among them, CA1 is defined as the regulation of the rod-shaped PBS in response to green and red light, maintaining the excitation balance between the two photosystems. Synechocystis sp. PCC 6803 (PCC 6803) is a widely used model cyanobacterium for photosynthesis research and harbors the CcaSR photosensory gene cluster for CA1. In this study, we investigated the wavelength dependence of the rod-shaped PBS production in PCC 6803. RNA-Seq analysis revealed that the expression of cpcL, which enc

SUBMITTER: Kubushiro M 

PROVIDER: S-EPMC12461855 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature