FIG. 1.

FetA cross-reactivity with FepA MAbs. Western blots were probed with FepA MAb 2 (A) or FepA MAb 35 (B). Whole-cell lysates were prepared from iron-stressed bacteria. Lanes: 1, E. coli BN1071; 2, FA1090 (wild type); 3, FA6959 (fetA::Ω).