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. 2020 Dec 22;5(6):e00604-20. doi: 10.1128/mSystems.00604-20

FIG 1.

FIG 1

A. baumannii binds to CEACAM receptors. Strain AB5075 grown to exponential phase was incubated with 10 µg of the indicated recombinant proteins and subjected to pulldown. (A) Pulldown samples (PD) were resolved by Tricine-PAGE and visualized by Western blotting using the anti-CEACAM antibodies (MAb 6G5j and C5-1X) and HRP-conjugated secondary antibodies. Purified proteins (50 ng) were loaded as controls (Ctrl). The recombinant CEACAM1 protein lacking the complete N-domain (CEACAM1ΔN) was also assayed. One representative experiment of four is shown. (B) Pulldown bacteria incubated with MAb 6G5j and TRITC-labeled secondary antibodies were centrifuged on polylysine-treated coverslips and mounted for bright-field (BF) and fluorescence microscopic analyses. One representative experiment of four is shown.