The first report of the qnrB19 and aac(6´)-Ib-cr in urinary isolates of ciprofloxacin-resistant Escherichia coli in Ecuador.

Authors

Keywords:

qnrB, aac(6’)-Ib-cr, ciprofloxacin, resistant, Echericha coli, Ecuador

Abstract

Introduction: Escherichia Coli is one of the common causes of urinary tract infections. Objective: Demonstrate the antimicrobial resistance profile mediated by transferable PMQR (Qnra, QNRB, QNRC, QNRD, QNRS, QNRVC and AAC (6 ')-IB-CR) and the genetic relationship by analysis of fungry fields in insulation of spherichia coli oupatogenic Retrieved from community and hospitable patients in Quito -Ecuador. Material and Method: A correlation, descriptive-transverse study was conducted to demonstrate the antimicrobial resistance profile mediated by transferable PMQR (qnra, qnrb, qnrc, qnrd, qnrs, qnrvc and aac (6 ')-Ib-cr) and the relationship Genetics by analysis of clustered fields in isolates of Escherichia coli -opopathogenic. The research universe was constituted by 156 not duplicated insulation from Escherichia coli recovered from urine samples from 2011, which were preserved in the Bacteriology Laboratory of the National Institute of Public Health and Research Dr. Leopoldo Izquieta Pérez, in the city of Quito; It was identified by classical biochemical techniques. Results: 50.6 % resistant to ciprofloxacin was found, genetic analysis, 54.4 % were positive for the AAC GEN (6´) -Ib-CR, the QNRB19 allele was present in 100 % of the analyzed strains; While the qnra, qnrc, qnrd and qnrs were not detected. The co-oxpression of the QNRB19 and AAC (6 ’)-CR genes occurred in 36.7 % of the insulation with high levels of resistance. Conclusions: The dissemination of determinants of resistance to ciprofloxacin, is associated with the increase in resistance to Escherichia coli.

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References

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Published

2024-06-20

How to Cite

1.
Chiluisa-Guacho CV, Gómez-Martínez N, Vilema-Vizuete GE, Dutra-Asensi M. The first report of the qnrB19 and aac(6´)-Ib-cr in urinary isolates of ciprofloxacin-resistant Escherichia coli in Ecuador. Gac méd estud [Internet]. 2024 Jun. 20 [cited 2024 Jun. 30];5(2):e422. Available from: https://revgacetaestudiantil.sld.cu/index.php/gme/article/view/422

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