TABLE 2.

Adhesion and invasion indices of WT and fast-trafficking FA1090 mutants^a

Strain	% Cell associated	Gmr CFU
WT	0.40 ± 0.12	2.1 × 10−4 ± 0.65 × 10−4
A1	0.47 ± 0.15	7.8 × 10−5 ± 0.42 × 10−5
A9	0.35 ± 0.06	3.3 × 10−4 ± 0.09 × 10−4
A11	0.33 ± 0.05	2.0 × 10−4 ± 1.70 × 10−4
A12	0.33 ± 0.05	2.5 × 10−4 ± 0.36 × 10−4

^aDetermined as described in Materials and Methods. Values are the means and standard deviations from a representative experiment. Cultures were infected in triplicate.