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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. 2.

Fig. 2

Flagellum production can be restored to a cyaA mutant by exogenous cAMP. A. The percent of cells with a flagellum observed by TEM microscopy in response to a cyaA mutation and increasing amounts of exogenous cAMP (n>200 cells per condition). No flagella were observed among cyaA mutant cells without exogenous cAMP (n>400). A statistical difference from the wild type was observed for each condition (p<0.02). B. PAGE analysis of surface protein fractions from stationary phase wild-type and cyaA cultures grown with increasing concentrations of exogenous cAMP.