Figure 1.

Interaction of Opa⁺ E. coli with epithelial cells and neutrophils. (A) Opa⁻ or Opa⁺ E. coli were incubated with Chang conjunctival monolayers. pEXA adhere to the epithelial cells best. This interaction is inhibited by addition of heparin. pGEM and pEXI adhere at a negligible level. (B) Bacteria were incubated with PMN for 90 min. pEXI showed the highest level of adherence to PMN and this interaction was not inhibited by addition of heparin. Bars = SEM.