Livermore, D M Mechanisms and clinical significance of resistance to new beta-lactam antibiotics. [electronic resource] - British journal of hospital medicine Oct 1990 - 252-8, 261-3 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0007-1064 Subjects--Topical Terms: Anti-Bacterial Agents--pharmacokineticsBacterial ProteinsCarrier Proteins--drug effectsChromosomes, BacterialCross ReactionsDrug Resistance, Microbial--geneticsGram-Negative Bacteria--geneticsGram-Positive Bacteria--enzymologyHexosyltransferasesHumansMuramoylpentapeptide Carboxypeptidase--drug effectsPenicillin-Binding ProteinsPenicillins--metabolismPeptidyl TransferasesPlasmids--geneticsbeta-Lactamases--metabolismbeta-Lactams