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Diversity of ampicillin resistant bacteria in domestic streams
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 Title & Authors
Diversity of ampicillin resistant bacteria in domestic streams
Go, Eun Byeul; Chung, In-Young; Kim, Hyuk; Seok, Kwang-Seol; Kim, Byeori; Yoo, Yong-Jae; Jang, Yejin; Chae, Jong-Chan;
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The widespread emergence of antibiotic resistant microorganisms in clinics and natural environments has attracted public concern. Especially, microorganisms inhabiting natural environment is considered as a source responsible for increasing the abundance of antibiotic resistant genes in ecosystem. In this study, the diversity of culturable bacteria resistant to ampicillin was investigated with water samples collected from seven locations in Korea. The genera belonging to Aeromonas and Acidovorax were dominant among the isolated 498 strains. The 66% of isolates showed multi-drug resistance against more than six antibiotics among tested fourteen ones and isolates resistant to seven antibiotics were the most prevalent with 19.7% abundance. Using the antibiotics susceptibility results, the intrinsic resistance profile was suggested for the most dominant genera, Aeromonas, Acidovorax, Pseudomonas, and Elizabethkingia.
ampicillin;multi-drug resistance;prevalence;
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