Contents:v.1.The aminoglycosides and trfamycins.v.2.Antibiotics from marine organisms,oilgosaccharides anthracyclines and their bioliogical receptors.v.3.Mechanisms of action of nalidixic acid and its congeners new-Lactam antibiotics.v.4.The Chemistry and antimicrobial activity of new synthetic-Lactam antibiotics.v.5.Antibiotiacs and peptidoglycan metabolism.v.6.Modern synthetic antifungal agents