Journal
CURRENT OPINION IN MICROBIOLOGY
Volume 8, Issue 2, Pages 203-207Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.mib.2005.01.001
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- NIGMS NIH HHS [GM042219] Funding Source: Medline
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Many Gram-positive bacteria encode a homolog of Bacillus subtilis CodY, a protein that controls more than a hundred genes that are typically repressed during rapid growth and induced when cells experience nutrient deprivation. In B. subtilis, the repressor function of CodY is activated by interaction with two different effectors, GTP and isoleucine, which independently and additively increase the affinity of CodY for its target sites. In at least some pathogenic Gram-positive bacteria, major virulence factor genes are among the targets of CodY.
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