Figure 2

Ultrathin sections of log phase of ARSA DMST 20651 grown in MHB: a = Control (bar = 500 nm, x19500; inset : bar = 100 nm, x43000); b = 256 μg/ml ampicillin (bar = 500 nm, x15000; inset : bar = 200 nm, x38000); c = 2 mg/ml SSE (bar = 500 nm, x19500; inset : bar = 200 nm, x38000); d = 1.5 mg/ml SSE plus 0.11 μg/ml ampicillin (bar = 500 nm, x8700; inset : bar = 200 nm, x29000).