Resistance to penicillin G occurs by the following mechanism…
Resistance to penicillin G occurs by the following mechanism: (1)1. Point mutations in the cytochrome b gene2. Mutations on the enzyme catalase-peroxidase3. Production of β-lactamases which hydrolyse this drug 4. Mutations in the target enzymes L-alanine racemase and D-alanine ligase5. Mutations in the glucan synthase enzyme
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