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Roles for the Rhodobacter sphaeroides CcmA and CcmG Proteins

By Rebecca L. Cox, Chandra Patterson and Timothy J. Donohue


Rhodobacter sphaeroides cells containing an in-frame deletion within ccmA lack detectable soluble and membrane-bound c-type cytochromes and are unable to grow under conditions where these proteins are required. Only strains merodiploid for ccmABCDG were found after attempting to generate cells containing either a ccmG null mutation or a ccmA allele that should be polar on to expression of ccmBCDG, suggesting that CcmG has another important role in R. sphaeroides

Topics: Physiology and Metabolism
Publisher: American Society for Microbiology
Year: 2001
DOI identifier: 10.1128/JB.183.15.4643-4647.2001
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Provided by: PubMed Central
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