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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Res Microbiol. 2008 Jul 31;159(7-8):562–568. doi: 10.1016/j.resmic.2008.07.003

Fig. 5.

Fig. 5

Catabolite repression control of flhD expression. Quantitative RT-PCR analysis of flhD transcript levels relative to wild-type levels shows a significant decrease in transcript produced by the cyaA mutant, which is partially restored by the addition of exogenous cAMP to growth medium. The crp mutant was similarly reduced in the flhD transcript, and was rescued by the scrp31 mutation which caused a significant increase in flhD RNA. RNA was harvested from 3 or more independent cultures at an A600 of 1.0. The asterisk indicates a significant difference versus the wild type (p<0.01).