AI Article Synopsis

  • Vaginitis is a common issue prompting gynecological visits, and E. coli's role as a cause is debated; this study examined virulence genes and antibiotic resistance in E. coli from women with vaginitis.
  • Using PCR, researchers detected virulence genes in E. coli from monomicrobial cultures (93.3%) more frequently than from polymicrobial cultures (56.7%), identifying key genes like hly and fimH.
  • Findings suggest that understanding the virulence and resistance patterns of E. coli can enhance the diagnosis and treatment of vaginitis, revealing significant antibiotic resistance, particularly to trimethoprim-sulfamethoxazole.

Article Abstract

Introduction: Vaginitis is one of the most common reasons women visit a gynecologist. Escherichia coli has been isolated from women with vaginitis, but its role as a vaginal infection aetiological agent is controversial. This study aimed to detect virulence genes and determine the antimicrobial susceptibility of E. coli strains isolated from monomicrobial and polymicrobial cultures collected from women with vaginitis.

Methodology: The presence of the following virulence genes: papC, hly, iucC, afa, fimH, neuC, sfa/foc, cnf1, usp, and ibeA in two E. coli groups was determined by PCR. The antibacterial susceptibility of strains was tested.

Results: A higher percentage (93.3%) of isolated strains from monomicrobial cultures with virulence genes in relation to polymicrobial cultures (56.7%) was found. The most frequent virulence genes in both groups were hly (p = 0.0357), fimH (p = 0.000), and cfn1 (p = 0.000). In addition, E. coli isolated from monomicrobial cultures showed 5 genetic combinations compared to the 10 observed in the polymicrobial cultures. An increased number of strains were sensitive to cefotaxime, moxifloxacin, and ciprofloxacin. A high resistance to trimethoprim-sulfamethoxazole was observed.

Conclusions: Most of the E. coli strains isolated from monomicrobial cultures and some from polymicrobial cultures showed virulence genes. A better understanding of the virulence and antibacterial susceptibility of E. coli strains isolated from patients with vaginitis can contribute to improved diagnosis and treatment of this disease.

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Source
http://dx.doi.org/10.3855/jidc.3464DOI Listing

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