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Percent adherence to Chang cells of E. coli BL21 strains expressing wild-type Hia or isogenic mutant variants. Percent adherence of each strain is calculated as adherent CFU following 2 h of incubation divided by total input CFU. All raw data are presented in Data Set S1 in the supplemental material. *, P < 0.005. NSD, no significant difference. P values were calculated using one-way analysis of variance (ANOVA).
