FIG. 2.

Ability of AA100, the ΔrtxA mutant (ΔrtxA), and complemented clones to adhere to HEp-2 epithelial cells (A) and THP-1 monocytic cells (B). Data points and error bars represent the means of triplicate samples from a representative experiment and their standard deviations, respectively. All experiments were performed at least three times.