Article
ChlH, the H subunit of the Mg-chelatase, is an anti-sigma factor for SigE in Synechocystis sp. PCC 6803.
Proceedings of the National Academy of Sciences of the United States of America - 21 Apr 2009
Osanai Takashi, Imashimizu Masahiko, Seki Asako, Sato Shusei, Tabata Satoshi, Imamura Sousuke, Asayama Munehiko, Ikeuchi Masahiko, Tanaka Kan
Abstract excerpt
Although regulation of sigma factors has been intensively investigated, anti-sigma factors have not been identified in oxygenic photosynthetic organisms. A previous study suggested that the sigma factor, SigE, of the cyanobacterium Synechocystis sp. PCC 6803, a positive regulator of sugar catabolism, is posttranslationally activated by light-to-dark transition. In the present study, we found that the H subunit of...
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