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Antibiotic resistance patterns and detection of blaDHA-1 in Salmonella species isolates from chicken farms in South Korea

Authors
 Nabin Rayamajhi  ;  Byeong Yeal Jung  ;  Seung Bin Cha  ;  Min Kyung Shin  ;  Aeran Kim  ;  Min Su Kang  ;  Kang Mu Lee  ;  Han Sang Yoo 
Citation
 Applied and Environmental Microbiology, Vol.76(14) : 4760-4764, 2010 
Journal Title
 Applied and Environmental Microbiology 
ISSN
 0099-2240 
Issue Date
2010
MeSH
Animal Husbandry* ; Animals ; Blotting, Southern ; Chickens ; DNA, Bacterial/analysis ; DNA, Bacterial/genetics ; Gene Deletion ; Genotype ; Industrial Waste* ; Microbial Sensitivity Tests ; Plasmids/analysis ; Republic of Korea ; Restriction Mapping ; Salmonella/drug effects* ; Salmonella/isolation & purification ; beta-Lactam Resistance* ; beta-Lactamases/genetics*
Abstract
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 analysis of these three DHA-1-positive Salmonella serovar Indiana isolates and previously reported unrelated clinical isolates of DHA-1-positive Salmonella serovar Montevideo, Klebsiella pneumoniae, and Escherichia coli from humans and swine indicated the involvement of the large-size plasmid. Restriction enzyme digestion of the plasmids from the transconjugants showed variable restriction patterns except for the two Salmonella serovar Indiana isolates identified in this study. To the best of our knowledge, this is the first report of the presence of the DHA-1 gene among Salmonella spp. of animal origin.
Files in This Item:
T201005749.pdf Download
DOI
10.1128/AEM.02536-09
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Microbiology (미생물학교실) > 1. Journal Papers
Yonsei Authors
Lee, Kang Mu(이강무) ORCID logo https://orcid.org/0000-0001-7414-5921
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/103208
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