Fig. 5From: The attachment process and physiological properties of Escherichia coli O157:H7 on quartzSurvival of planktonic and attached cells in the presence of penicillin (a) and vancomycin (b). Penicillin and vancomycin were applied at 500 μg/mL (dozens of times the MIC of each antibiotic). The attached cells showed reduced antibiotic susceptibility compared to planktonic cellsBack to article page