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Strength of single SpA-vWF bonds. (A) Maximum adhesion force histograms (left) with force maps (insets; image size = 500 nm) and rupture length histograms (right) with representative retraction force profiles (insets) obtained by recording force-distance curves in PBS between 3 different Newman WT bacteria and vWF-modified AFM tips. (B) Data obtained under the same conditions for Newman Δspa bacteria. (Data from 3 cells are merged.)
