This is Part 1 of a 2-Part lecture on Antibiotics. Topics covered include: classification of antibiotics; cell wall structure of Gram-negative bacteria, Gram-positive bacteria, Mycobacteria; mechanism of action and side effects of Cell Wall Synthesis Inhibitors: Beta-lactams (Penicillins, Cephalosporins, Carbapenems, Monobactams), Beta-lactamases (Avibactam, Clavulanic acid, Sulbactam, Tazobactam), Fosfomycin, Cycloserine, Vancomycin, Bacitracin, Antimycobacterial drugs (Isoniazid, Ethambutol), mechanism of action and side effects of Cell Membrane Integrity Disruptors: Daptomycin, Polymyxins. Source of diagram at 6:49 : http://www.biomedcentral.com/1471-2180/11/16