Article
Identification and in vivo characterization of PpaA, a regulator of photosystem formation in Rhodobacter sphaeroides.
Microbiology (Reading, England) - 1 Feb 2003
Gomelsky Larissa, Sram Jakub, Moskvin Oleg V, Horne Irene M, Dodd Helen N, Pemberton John M, McEwan Alastair G, Kaplan Samuel, Gomelsky Mark
Abstract excerpt
A regulatory protein, PpaA, involved in photosystem formation in the anoxygenic phototrophic proteobacterium Rhodobacter sphaeroides has been identified and characterized in vivo. Based on the phenotypes of cells expressing the ppaA gene in extra copy and on the phenotype of the ppaA null mutant, it was concluded that PpaA activates photopigment production and puc operon expression under aerobic conditions. This...
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