BST1 and colorectal carcinoma: In the adherence assay, we found a significantly lower adherence, following a 60 minutes interaction period, of bst1Δ/Δ to KB (derived from a buccal carcinoma) and Caco-2 (derived from a colorectal carcinoma) monolayers as compared to the parent and BST1-complemented strains (Fig. 3C).