FIG. 3.

Quantification of the motility (A) and elongation (B) phenotypes during infection of AGS cells with H. pylori wild type (wt) and cag PAI mutants. The infections were carried out with or without FBS as indicated. The Src kinase inhibitor PP2 was added 30 min prior to infection as indicated. A particular field of the coverslip was labeled and photographed before infection and at 4 h postinfection. One hundred cells were counted and evaluated from each photograph. The results are the means of three independent experiments. PBS, phosphate-buffered saline.