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  • Title: Putative sigma factor SigI (YkoZ) of Bacillus subtilis is induced by heat shock.
    Author: Zuber U, Drzewiecki K, Hecker M.
    Journal: J Bacteriol; 2001 Feb; 183(4):1472-5. PubMed ID: 11157964.
    Abstract:
    A Bacillus subtilis disruption mutant with a mutation in sigI (formerly ykoZ) shows a temperature-sensitive growth on agar plates. The transcription of the sigI gene is heat shock induced in rich medium but not in minimal medium. Proteome studies revealed a reduced amount of GsiB protein in the sigI mutant under heat shock conditions.
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