Detection of Antibiotic-Resistant E. coli from Ponds of Janakpurdham, Nepal

Authors

  • Raj Kumar Sah Department of Microbiology, Ramswaroop Ramsagar Multiple Campus, Tribhuvan University, Janakpurdham, Nepal
  • Kavita Shah Department of Microbiology, Ramswaroop Ramsagar Multiple Campus, Tribhuvan University, Janakpurdham, Nepal
  • Ranjit Kumar Sah Department of Microbiology, Ramswaroop Ramsagar Multiple Campus, Tribhuvan University, Janakpurdham, Nepal

DOI:

https://doi.org/10.3126/tujm.v10i1.60658

Keywords:

Escherichia coli, antibiotic resistance, pond water, Janakpurdham, water quality

Abstract

Objectives: The purpose of the study was to determine the extent of antibiotic-resistant E. coli in various sacred ponds of Janakpurdham.

Methods: A cross-sectional study was conducted and 16 samples were processed from 16 different revered ponds around Janakpurdham. Isolation of E. coli was done through cultural and biochemical analysis. Kirby-Bauer disc diffusion test was employed to test the susceptibility of isolates to antibiotics.

Results: A total of 16 E. coli isolates, one from each sampling site, were analysed for their antibiotic-resistant pattern against the eight most commonly used antibiotics. From the total samples, 100% (16) were sensitive to tetracycline, Ciprofloxacin, Amikacin, and Gentamicin while 88% (14), 25% (4), 62% (10), and 44% (7) were resistant to Ampicillin, Amoxycillin/Clavulanate, Cefotaxime and Ceftazidime respectively. Two isolates had the lowest estimated multiple antibiotic resistance index (0.125). In addition, 10 isolates showed indices ranging from 0.25 to 0.375. Two isolates showed the highest indices i.e., 0.5.

Conclusion: The holy ponds of Janakpurdham were found to be highly contaminated with pathogenic bacteria. The results may indicate the origin of E. coli isolates from an area of high antibiotic use.  

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Published

2023-12-31

How to Cite

Sah, R. K., Shah, K., & Sah, R. K. (2023). Detection of Antibiotic-Resistant E. coli from Ponds of Janakpurdham, Nepal. Tribhuvan University Journal of Microbiology, 10(1), 116–120. https://doi.org/10.3126/tujm.v10i1.60658

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