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dc.contributor.authorPhacharaporn Boonkhoten_US
dc.contributor.authorPakpoom Tadeeen_US
dc.contributor.authorPanuwat Yamsakulen_US
dc.contributor.authorChairoj Pocharoenen_US
dc.contributor.authorNipa Chokesajjawateeen_US
dc.contributor.authorPrapas Patchaneeen_US
dc.description.abstract© 2015, Hokkaido University. All rights reserved. Pigs and pork products are well known as an important source of Salmonella, one of the major zoonotic foodborne pathogens. The emergence and spread of antimicrobial resistance is becoming a major public health concern worldwide. Integrons are genetic elements known to have a role in the acquisition and expression of genes conferring antibiotic resistance. This study focuses on the prevalence of class 1 integrons-carrying Salmonella, the genetic diversity of strains of those organisms obtained from swine production chains in Chiang Mai and Lamphun provinces, Thailand, using multilocus sequence typing (MLST) and comparison of genetic diversity of sequence types of Salmonella from this study with pulsotypes identified in previous study. In 175 Salmonella strains, the overall prevalence of class 1 integrons-carrying-Salmonella was 14%. The gene cassettes array pattern “dfrA12orfF-aadA2” was the most frequently observed. Most of the antimicrobial resistance identified was not associated with related gene cassettes harbored by Salmonella. Six sequence types were generated from 30 randomly selected strains detected by MLST. Salmonella at the human-animal-environment interface was confirmed. Linkages both in the farm to slaughterhouse contamination route and the horizontal transmission of resistance genes were demonstrated. To reduce this problem, the use of antimicrobials in livestock should be controlled by veterinarians. Education and training of food handlers as well as promotion of safe methods of food consumption are important avenues for helping prevent foodborne illness.en_US
dc.titleClass 1 integrons characterization and multilocus sequence typing of Salmonella spp. from swine production chains in Chiang Mai and Lamphun provinces, Thailanden_US
article.title.sourcetitleJapanese Journal of Veterinary Researchen_US
article.volume63en_US Mai Universityen_US Regional Livestock Officeen_US National Center for Genetic Engineering and Biotechnologyen_US
Appears in Collections:CMUL: Journal Articles

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