Abstract
Present study was conducted to determine the bacteria and their multi-drug resistance pattern of Velpuri and water of Velpuri shop of different areas of Dhaka city. A total of 74 bacteria were isolated of which 26 isolates were subjected for further study. Eleven and 15 isolates from 26, were found Gram-positive and Gram-negative bacteria, respectively. Three isolates of Gram-positive bacteria were found rod shaped and spore formers which were identified as Bacillus spp. while eight isolates were found round shaped and nonspore formers and identified as Staphylococcus, Streptococcus, Planococcus, Micrococcus. In case of Gramnegative bacteria, Alcaligenes, Escherichia, Pseudomonas, Enterobacter, Proteus, Klebsiella, Yersinia were found to be associated with the samples. Among 26 isolates Pseudomonas and Planococcus were found to be dominating genera. Besides provisional identification, four selected isolates were further confirmed through molecular characterization based on 16S rDNA sequence analysis. Antibiotic sensitivity test results revealed that isolated bacteria were resistant against common antibiotics like penicillin G (80.77%), vancomycin (61.53%) and rifampicin (57.70%). Among the isolates Pseudomonas, Enterobacter cloacae, Eshcherichia coli, Klebsiella, Proteus morganii, Yersinia enterocolitica were found to be multi-drug resistant which is very much alarming for the consumers.
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