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Research Journal of Microbiology
  Year: 2008 | Volume: 3 | Issue: 6 | Page No.: 489-493
DOI: 10.3923/jm.2008.489.493
 
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Extended-Spectrum β-Lactamases-Producing Escherichia colifrom a Tertiary Hospital in Malaysia: Emergence of CTX-M-Type β-Lactamases Variation

Zamberi Sekawi, Rusmah Yusof and Mariana Nor Shamsudin

Abstract:
A study was conducted to portray a preliminary characteristic of extended-spectrum β-lactamases (ESBLs)-producing Escherichia coli in a local tertiary hospital in Malaysia. Sixteen clinical isolates of ESBLs producing E. coli from different sources were examined for blaSHV/TEM/CTX-M ESBL genes by PCR molecular assay. Each strain was found to carry at least one of the genes. This study demonstrated a high prevalence of blaCTX-M (81.3%) and blaTEM genes (75%). Only two strains (12.5%) carried the blaSHV gene. Nucleotide and deduced protein sequences determination showed; 61% produced CTX-M-15, 31% produced CTX-M-14 and 8% produced CTX-M-3. The antimicrobial susceptibility testing data determined that almost all sixteen isolates were resistant to oxyimino-cephalosporins, 46% resistant to gentamicin, 69% resistant to trimethoprim-sulfamethoxazole and 46% resistant to ciprofloxacin. This study preliminary emphasizes the epidemiology of the ESBL-producing E. coli particularly SHV, TEM and CTX-M-type producing E. coli in Malaysia.
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How to cite this article:

Zamberi Sekawi, Rusmah Yusof and Mariana Nor Shamsudin, 2008. Extended-Spectrum β-Lactamases-Producing Escherichia colifrom a Tertiary Hospital in Malaysia: Emergence of CTX-M-Type β-Lactamases Variation. Research Journal of Microbiology, 3: 489-493.

DOI: 10.3923/jm.2008.489.493

URL: https://scialert.net/abstract/?doi=jm.2008.489.493

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