Resumen

MATTA-CHUQUISAPON, Jose et al. Presence of fimH and afa genes in urinary isolates of extended-spectrum beta-lactamases producing Escherichia coli in Lima, Peru. Rev. perú. med. exp. salud publica [online]. 2020, vol.37, n.2, pp.282-286. ISSN 1726-4634.  http://dx.doi.org/10.17843/rpmesp.2020.372.4829.

Descriptive study conducted in order to determine the presence of the fimH and afa genes in urinary isolates of extended-spectrum beta-lactamases (ESBL) producing Escherichia coli. Isolates from project TO-06/09 of the Instituto Nacional de Salud del Niño in Lima, Peru were used. A total of 75 urinary isolates of Escherichia coli were included. Gene identification was performed by polymerase chain reaction. From the 75 isolates, 74 (98.7%) were positive for the fimH gene and 6 (8.0%) were positive for the afa gene. Virulence factors produced by the fimH and afa genes were evident in urinary isolates of ESBL producing Escherichia coli.

Palabras clave : Uropathogenic Escherichia coli; Virulence Factors; beta-Lactamases; Peru.

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