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Antimicrobial Resistance and Molecular Characterization of Methicillin-Resistant Staphylococcus aureus Isolated from Slaughtered Pigs and Pork in the Central Region of Thailand

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Title: Antimicrobial Resistance and Molecular Characterization of Methicillin-Resistant Staphylococcus aureus Isolated from Slaughtered Pigs and Pork in the Central Region of Thailand
Authors: Tanomsridachchai, Wimonrat Browse this author
Changkaew, Kanjana Browse this author
Changkwanyeun, Ruchirada Browse this author
Prapasawat, Watsawan Browse this author
Intarapuk, Apiradee Browse this author
Fukushima, Yukari Browse this author
Yamasamit, Nattapong Browse this author
Flav Kapalamula, Thoko Browse this author
Nakajima, Chie Browse this author →KAKEN DB
Suthienkul, Orasa Browse this author
Suzuki, Yasuhiko Browse this author →KAKEN DB
Keywords: methicillin-resistant Staphylococcus aureus
antimicrobial resistance
genotype
slaughtered pigs
pork
Issue Date: Feb-2021
Publisher: MDPI
Journal Title: Antibiotics-Basel
Volume: 10
Issue: 2
Start Page: 206
Publisher DOI: 10.3390/antibiotics10020206
Abstract: Methicillin-resistant Staphylococcus aureus (MRSA) have been a major public health concern in humans. Among MRSA, livestock-associated (LA)-MRSA strains have always been associated with exposure to livestock or their products and have emerged in different countries globally. Although studies have identified LA-MRSA from healthy pigs and pork in Thailand, prevalence in slaughtered pigs is still unknown. In addition, there are few reports on the epidemiology and molecular characteristics of LA-MRSA in Thailand. Hence, this is the first report investigating the epidemiology and molecular characteristics of MRSA in individual slaughtered pigs and pork in Thailand. A total of 204 nasal swab and 116 retailed pork samples were collected from three slaughterhouses and four fresh markets, respectively. Individual samples were used for screening for MRSA and obtained isolates were examined for drug- resistance profiling for 12 antimicrobial agents of 10 drug classes. In addition, SCCmec typing and multi-locus sequence typing were conducted to obtain genotype profiles. MRSA were isolated from 11 and 52 nasal swab and pork samples, respectively. The prevalence was significantly higher in the pork than in the nasal swab samples (p-value < 0.05). A high prevalence of ST9-SCCmecIX and ST398-SCCmecV with high-level antimicrobial resistance from markets and slaughterhouses indicated the spreading of MRSA with these genotypes in the Thai swine processing chains and suggested the need for further investigation to determine a control.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/81217
Appears in Collections:人獣共通感染症国際共同研究所 (International Institute for Zoonosis Control) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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