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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Mol Microbiol. 2012 Mar 15;84(2):352–369. doi: 10.1111/j.1365-2958.2012.08027.x

Figure 4. Motility phenotype of mutants lacking σ28-dependent genes.

Figure 4

Assays were performed by stabbing cultures of wild-type C. jejuni 81-176 SmR and isogenic mutants at similar optical densities in MH motility medium containing 0.4% agar. Plates were incubated in microaerobic conditions at 37 °C for 30 hours. (A) Motility of wild-type C. jejuni and each mutant strain in motility agar. (B) Area of motility zone for each wild-type and mutant C. jejuni strains as determined by averaging six assays. Error bars indicate the standard error of the average area. Statistically-significant differences in motility between wild-type C. jejuni and mutant strains are indicated (* P-value < 0.05).