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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Microb Pathog. 2011 May 7;51(3):121–132. doi: 10.1016/j.micpath.2011.04.010

Fig 4.

Fig 4

Binding of polymyxin B to bacterial surfaces. Standardized concentrations of bacteria were incubated with dansyl-polymyxin B for fluorometric analysis and determination of arbitrary units (A.U.) of fluorescence, as described in Material and Methods. All the data are means of at least three independent experiments with standard errors. Unpaired t-tests comparing each mutant to the parental strain DSY101 showed statistical significant differences for several comparisons (* P < 0.05, ** P < 0.001).