Biochem/physiol Actions
Mode of Action: Inhibits bacterial cell wall synthesis.Antimicrobial spectrum: Gram-positive bacteria.
Penicillin G is active against gram-positive and gram-negative aerobic and anaerobic bacteria. Penicillin G inhibits cell wall synthesis by binding to penicillin binding proteins (PBPs), which inhibits peptidoglycan chain cross-linking. Penicillin G is stable against hydrolysis by β-lactamases, such as penicillinases and cephalosporinases.
Application
Penicillin G is narrow spectrum antibiotic. It is the drug of choice for Streptococcus pneumoniae, groups A, B, C and G streptococci, nonenterococcal group D streptococci, viridans group streptococci, and non-penicillinase producing staphylococcus. Penicillin G sodium salt is used to study the diagnostic and therapeutic implications of gentamicin-resistant Enterococcus faecalis sequence type 6 with reduced penicillin susceptibility 1. It is used in cell culture alone as well as in combination with streptomcyin and other antibiotics2.
Protocols & Applications
Antibiotic Selector for application, solubility, solution stability, working concentration, and mode of action information