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. 2017 Oct 16;18:790. doi: 10.1186/s12864-017-4165-9

Fig. 9.

Fig. 9

Pilus and mucus binding of P. freudenreichii. a Pilus operons predicted by LOCP. b Transmission electron microscopy (TEM) images of the strains with intact operons (JS18 and JS20) and control (JS16). c Adhesion assay of specific binding to porcine mucus and non-specific binding to BSA with cell-free PBS as control. The difference in specific binding of strain JS18 to mucus compared to non-specific binding to BSA and background PBS was statistically significant (p < 0.05) and is marked with asterisk