Antimicrobial Resistance of Salmonella Serovars Isolated from Beef at Retail Markets in the North Vietnam
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- THAI Truong Ha
- Department of Veterinary Pathology, Faculty of Agriculture, University of Miyazaki,Miyazaki 889–2192, Japan Department of Microbiology - Infectious Diseases - Pathology, Faculty of Veterinary Medicine, Hanoi University of Agriculture, Trau Quy, Gia Lam, Ha Noi, Vietnam
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- HIRAI Takuya
- Department of Veterinary Pathology, Faculty of Agriculture, University of Miyazaki,Miyazaki 889–2192, Japan
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- LAN Nguyen Thi
- Department of Microbiology - Infectious Diseases - Pathology, Faculty of Veterinary Medicine, Hanoi University of Agriculture, Trau Quy, Gia Lam, Ha Noi, Vietnam
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- SHIMADA Akinori
- Department of Veterinary Pathology, Faculty of Agriculture, Tottori University, Tottori 680–8553, Japan
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- NGOC Pham Thi
- Department of Veterinary Hygiene, National of Institute Veterinary Research, Truong Chinh, Dong Da, Ha Noi, Vietnam
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- YAMAGUCHI Ryoji
- Department of Veterinary Pathology, Faculty of Agriculture, University of Miyazaki,Miyazaki 889–2192, Japan
書誌事項
- タイトル別名
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- Antimicrobial Resistance of <i>Salmonella</i> Serovars Isolated from Beef at Retail Markets in the North Vietnam
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抄録
Approximately 39.9% (63/158) of beef samples collected from retail markets in Hanoi from January to June 2009 were Salmonella-positive. Nine Salmonella serovars, Anatum (28.6%), Rissen (25.4%), Weltevreden (12.7%), Typhimurium (7.9%), Derby (7.9%), Lexington (7.9%), Dublin (4.6%), Newport (3.2%) and London (1.8%), were identified. Thirty-seven (58.7%) of the 63 Salmonella isolates were resistant to at least one antimicrobial tested, of which 29 (46%) isolates showed multidrug resistance (MDR). The isolates were commonly resistant to tetracycline (46.0%), sulphonamide (39.7%), ampicilline (31.7%), streptomycin (30.2%), trimethoprim (28.6%), kanamycin (28.6%) and chloramphenicol (22.2%). Fourteen (blaTEMV, blaOXA-1, aadA1, aadA2, sul1, tetA, tetB, tetG, cmlA1, floR, dfrA1, dfrA12, aac (3)-IV and aphA1-1AB) out of 22 antimicrobial resistance genes were detected by PCR from the resistant isolates. The catA1, Kn, blaPSE-1 genes and plasmid-mediated quinolones resistance (PMQR) genes such as qnrA, qnrB, qnrS, qepA and acc (6’)-ib-cr were not detected. Mutations in the gyrA gene leading to the amino acid changes Ser83Phe and/or Asp87Asn were found in 6 out of the 11 quinolone-resistant isolates. The data revealed that multidrug resistant Salmonella strains were widely distributed in north Vietnam via the food chain and might contain multiple genes specifying identical resistant phenotypes. Thus, continuous studies are necessary to clarify the mechanisms of MDR in Salmonella and its spread in the livestock market.
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 74 (9), 1163-1169, 2012
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390001206430485760
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- NII論文ID
- 130001879751
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- NII書誌ID
- AA10796138
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- COI
- 1:STN:280:DC%2BC38npsFKjsQ%3D%3D
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 024012300
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- PubMed
- 22673721
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可