Transition state regulator AbrB inhibits transcription of Bacillus amyloliquefaciens FZB45 phytase through binding at two distinct sites located within the extended phyC promoter region.

Abstract excerpt

We have previously identified the phyC gene of Bacillus amyloliquefaciens FZB45, encoding extracellular phytase, as a member of the PhoP regulon, which is expressed only during phosphate starvation. Its sigma(A)-dependent promoter is positively and negatively regulated by the phosphorylated PhoP response regulator in a phosphate-dependent manner (O. Makarewicz, S. Dubrac, T. Msadek, and R. Borriss, J. Bacteriol....

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