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. 1976 Nov;128(2):661–664. doi: 10.1128/jb.128.2.661-664.1976

Repression of alkaline phosphatase in Salmonella typhimurium carrying a phoA+ phoR- episome from Escherichia coli.

E Yagil, E Hermoni
PMCID: PMC232805  PMID: 789359

Abstract

Salmonella typhimurium does not produce alkaline phosphatase (nor beta-galactosidase). Nevertheless, it has the function of the phoR+ regulatory gene but lacks the function of the lacI+ regulatory gene. Several periplasmic proteins are derepressed when cells of S. typhimurium are starved for inorganic phosphate. The role of phoR is discussed.

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Selected References

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