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Antibiotic sensitivity of the extracted peak fraction of penicillin G. (A) One-hundred-microliter volumes of the purified fraction of the wild type (WT), overexpression (OE) strain, and positive control were tested against Bacillus subtilis. (B) One-hundred-microliter volumes of the wild type, overexpression strain, and positive control along with 6 U of β-lactamase were tested against B. subtilis. C, positive control.
