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  • Title: Mutational analysis of the fic promoter recognized by RpoS (sigma 38) in Escherichia coli.
    Author: Utsumi R, Nakayama T, Iwamoto N, Kohda K, Kawamukai M, Tanabe H, Tanaka K, Takahashi H, Noda M.
    Journal: Biosci Biotechnol Biochem; 1995 Aug; 59(8):1573-5. PubMed ID: 7549107.
    Abstract:
    fic gene expression at the stationary phase is dependent on RpoS (sigma 38). For this paper, the fic promoter (P fic) mutants were isolated; C at the position -34 was changed into T. They did not show the stationary phase-specific expression dependent on RpoS in vivo. Furthermore, it was confirmed that they were recognized by E sigma 70 as efficiently as E sigma 38 in vitro.
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