First Isolation of Vibrio spp. from Birds and Their Owners: Study of Virulence Factors of Vibrio cholerae
First Isolation of Vibrio spp. from Birds and Their Owners: Study of Virulence Factors of Vibrio cholerae
Maysoon S. Abbas, Shaimaa N. Yassein
ABSTRACT
This research aimed to isolate Vibrio spp. from birds and owner samples collected randomly in Baghdad city. The samples underwent standard bacteriological examinations for the isolation of Vibrio spp. A total of 400 samples were included, comprising 160 cloacal swabs, 40 fresh feces samples from birds, 150 stool samples, and 50 hand swabs from owners. In the present study, V. cholerae accounted for 54 out of 400 samples (13.5%), V. parahaemolyticus for 38 out of 400 samples (9.5%), V. vulnificus for 14 out of 400 samples (3.5%), and V. alginolyticus for 23 out of 400 samples (5.75%). Four virulence factors were studied for nine isolates of V. cholerae. Phospholipase activity showed a positive result in 6 out of 9 isolates (66.66%), proteinase activity in 7 out of 9 isolates (77.77%), while hemolytic activity and biofilm formation were positive in all V. cholerae isolates, with a 100% rate. For the first time in Iraq, isolation of Vibrio spp. has been reported in birds and owners. This study concludes that the high percentage of Vibrio spp. in birds is linked to the significance of zoonotic transmission. Further investigation is required to assess the risks of Vibrio spp. colonization in other animals and humans in close contact.
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