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Year : 2014  |  Volume : 32  |  Issue : 2  |  Page : 175-178

Prevalence of adhesive genes among uropathogenic Escherichia coli strains isolated from patients with urinary tract infection in Mangalore


1 Department of Microbiology, K. S. Hegde Medical Academy, NITTE University, Derlakatte, Mangalore, Karnataka, India
2 Harvest and Post Harvest Technology Division, Central Institute of Fisheries Education, Mumbai, Maharashtra, India
3 Department of Fishery Microbiology, Karnataka Veterinary, Animal and Fisheries Sciences University, College of Fisheries, Mangalore, Karnataka, India
4 Department of Pediatrics, Wake Forest University School of Medicine, Winston Salem, North Carolina, USA

Correspondence Address:
A V Shetty
Department of Microbiology, K. S. Hegde Medical Academy, NITTE University, Derlakatte, Mangalore, Karnataka, India

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Source of Support: UNESCO MIRCEN for Biotechnology, Department of Microbiology, College of Fisheries, Mangalore,, Conflict of Interest: None


DOI: 10.4103/0255-0857.129812

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The study was carried out to detect the adhesive genes pap (pyelonephritis associated pili), sfa (S fimbrial adhesin) and afa (afimbrial adhesin) from Escherichia coli strains isolated in patients diagnosed with urinary tract infection (UTI). A total of 23% of the isolates were positive for pap, sfa and afa genes with a prevalence of 60.87% (14/23), 39.1% (9/23) and 39.1% (9/23), respectively. Prevalence of multiple adhesive genes was 8.7% (2/23) for pap and afa, 30.43% (7/23) for pap and sfa. Significant numbers of isolates were positive for Congo red binding (80%) and haemolysin production 60%. The prevalence of multiple adhesive genes indicate the potential to adhere and subsequently cause a systemic infection among UTI patients.






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