Klebsiella pneumoniae isolate from South Africa with multiple TEM, SHV and AmpC beta-lactamases

Essack, Sabiha Y, Hall, Lucinda M C and Livermore, David M (2004) Klebsiella pneumoniae isolate from South Africa with multiple TEM, SHV and AmpC beta-lactamases. International Journal of Antimicrobial Agents, 23 (4). pp. 398-400. ISSN 0924-8579

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Abstract

Klebsiella pneumoniae 2207, from Durban, was resistant to cefoxitin and beta-lactamase inhibitor combinations as well as oxyimino-aminothiazolyl cephalosporins. Beta-lactamases with isoelectric points of 5.4, 5.6, 7.6, 8.2 and 8.4 were found. DNA hybridisation identified two BamHI and three HindIII fragments carrying blaTEM, and two SalI fragments carrying blaSHV. At least two genes encoded TEM-1 enzyme; one blaSHV copy encoded SHV-5 but the other determined SHV-23, a novel SHV-5 variant with conservative amino-acid substitutions far from the catalytic site. The pI 8.4 activity was an AmpC-type enzyme. Determinants of the pI 5.6 and 7.6 activities were not identified.

Item Type: Article
Uncontrolled Keywords: bacterial proteins,humans,isoelectric focusing,klebsiella infections,klebsiella pneumoniae,microbial sensitivity tests,molecular sequence data,sequence analysis, dna,south africa,beta-lactam resistance,beta-lactamases,beta-lactams
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 24 Jan 2014 12:34
Last Modified: 21 Apr 2020 22:38
URI: https://ueaeprints.uea.ac.uk/id/eprint/46739
DOI: 10.1016/j.ijantimicag.2003.08.010

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