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Putative sigma factor SigI (YkoZ) of Bacillus subtilis is induced by heat shock
U Zuber1, K Drzewiecki, M Hecker
1Institut für Mikrobiologie, Ernst-Moritz-Arndt-Universität Greifswald, D-17487 Greifswald, Germany.
Journal of Bacteriology
|February 7, 2001
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.