Article
Prevalence of the bla (SHV) gene in Klebsiella pneumoniae isolates obtained from hospital and community infections and from the microbiota of healthy individuals in Recife, Brazil
Registro en:
VERAS, D. L. et al. Prevalence of the bla (SHV) gene in Klebsiella pneumoniae isolates obtained from hospital and community infections and from the microbiota of healthy individuals in Recife, Brazil. Current Microbiology, v. 62, n. 5, p. 1610–1616, maio 2011.
1432-0991
10.1007/s00284-011-9899-z
Autor
Veras, Dyana Leal
Alves, Luiz Carlos
Brayner, Fábio André
Guedes, Duschinka Ribeiro Duarte
Maciel, Maria Amélia Vieira
Rocha, Cíntia Renata Costa
Lopes, Ana Catarina de Souza
Resumen
Este estudo foi financiado pela FACEPE (Fundação de Amparo à Pesquisa do Estado de Pernambuco). The aim of this study was to determine the prevalence of the bla (SHV) gene in Klebsiella pneumoniae isolates from hospital and community infections and from the normal microbiota of healthy individuals in Recife, PE, Brazil. Fifty-two K. pneumoniae isolates were analyzed regarding the presence of the bla (SHV) gene, using PCR, and eight isolates were analyzed by DNA sequencing. This gene was detected in 16 isolates from hospital infections, four from community infections, and nine from the normal microbiota. This was the first study to find the bla (SHV) gene in K. pneumoniae isolates from the normal microbiota. Through DNA sequencing of eight K. pneumoniae isolates from hospital and community infections, with a resistance phenotype indicative of extended-spectrum β-lactamase production, a new SHV variant named SHV-122 was found. We also detected the presence of bla (SHV-1), bla (SHV-11), bla (SHV-28), and bla (SHV-108). The results show that in Recife, Brazil, K. pneumoniae isolates that presented resistance to oxyimino-β-lactams had high prevalence and diversity of the bla (SHV) gene. We also conclude that there was a high presence of the bla (SHV) gene among isolates from the normal microbiota of healthy individuals. 2050-01-01
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