FosB, a cysteine-dependent fosfomycin resistance protein under the control of sigma(W), an extracytoplasmic-function sigma factor in Bacillus subtilis |
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Authors: | Cao M Bernat B A Wang Z Armstrong R N Helmann J D |
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Affiliation: | Department of Microbiology, Cornell University, Ithaca, New York 14853-8101, USA. |
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Abstract: | We demonstrate that the Bacillus subtilis fosB(yndN) gene encodes a fosfomycin resistance protein. Expression of fosB requires sigma(W), and both fosB and sigW mutants are fosfomycin sensitive. FosB is a metallothiol transferase related to the FosA class of Mn(2+)-dependent glutathione transferases but with a preference for Mg(2+) and L-cysteine as cofactors. |
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