Fig. 1: Bacterial Adherence Via Pili

The Fab portion of the antibodies made against epitopes of adherence structures such as pili bind and block the bacteria from adhering to the host cell membrane. As a result, the bacteria may be flushed away. Antibody molecules made against the adhesive tip of pili block the adhesive tip from binding to receptors on host cell membranes (see Fig. 1A)

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