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ABSTRACT:
SUBMITTER: Rayamajhi N
PROVIDER: S-EPMC2901715 | biostudies-literature | 2010 Jul
REPOSITORIES: biostudies-literature
Rayamajhi Nabin N Jung Byeong Yeal BY Cha Seung Bin SB Shin Min Kyung MK Kim Aeran A Kang Min Su MS Lee Kang Mu KM Yoo Han Sang HS
Applied and environmental microbiology 20100604 14
Fifteen nonrepetitive ampicillin-resistant Salmonella spp. were identified among 91 Salmonella sp. isolates during nationwide surveillance of Salmonella in waste from 131 chicken farms during 2006 and 2007. Additional phenotyping and genetic characterization of these 15 isolates by using indicator cephalosporins demonstrated that resistance to ampicillin and reduced susceptibility to cefoxitin in three isolates was caused by TEM-1 and DHA-1 beta-lactamases. Plasmid profiling and Southern blot an ...[more]