Identification of livestock-associated methicillin-resistant Staphylococcus aureus isolates in Korea and molecular comparison between isolates from animal carcasses and slaughterhouse workers

Foodborne Pathogens and Disease
Dong Chan MoonSuk-Kyung Lim

Abstract

This study was undertaken to screen methicillin-resistant Staphylococcus aureus (MRSA) in animal carcasses and slaughterhouse workers and characterize MRSA isolates identified during 2010-2012 in Korea. A total of 830 (16.4%) S. aureus and 65 (1.3%) MRSA were isolated from 9669 carcass samples. MRSA was more frequently detected in chicken carcasses (1.2%) than in cattle (0.3%) and pig carcasses (0.6%). The prevalence of MRSA in workers was 6.9% (4/58) in chicken slaughterhouse workers, but no MRSA was detected in pig and cattle slaughterhouse workers (0/41). Two different lineages of MRSA were identified (i.e., human-associated type [ST5, ST59, and ST72] and livestock-associated [LA] type [ST398, ST541, and ST692]); only LA MRSA was observed in chicken carcasses, whereas both types were found in cattle and pig carcasses and workers. All human-associated MRSA isolates carried enterotoxin and/or leukotoxin genes, whereas LA MRSA types did not carry these genes, except ST692 type. However, all LA MRSA isolates were multiresistant, whereas human-associated types were susceptible or resistant to fewer than two antimicrobials except ST5. Furthermore, one or more resistance genes were attributed for resistance to aminoglycosides (aac(...Continue Reading

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Citations

Apr 3, 2016·Current Environmental Health Reports·Li-Oon ChuahGulam Rusul
Sep 10, 2016·Avian Diseases·Agnes AgunosNathaniel Tablante
Dec 20, 2016·PloS One·Stefan MoneckeRalf Ehricht
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Oct 16, 2016·Cold Spring Harbor Perspectives in Medicine·Susanne Paukner, Rosemarie Riedl
Sep 2, 2018·Tropical Animal Health and Production·Alva Stewart-JohnsonAbiodun Adesiyun
Jan 5, 2020·Journal of Biomedical Science·Yhu-Chering Huang, Chih-Jung Chen
Jul 14, 2020·The Journal of Veterinary Medical Science·Yoshimasa SasakiYutaka Tamura
Jan 13, 2021·The Journal of Veterinary Medical Science·Yoshimasa SasakiTetsuo Asai
Jun 3, 2021·Clinical Microbiology Reviews·Stefan SchwarzYang Wang
Jul 17, 2021·Journal of Global Antimicrobial Resistance·Henok Ayalew TegegneRenáta Karpíšková

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Methods Mentioned

BETA
PCR
electrophoresis
IEC

Software Mentioned

MLST

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Aminoglycosides

Aminoglycoside is a medicinal and bacteriologic category of traditional Gram-negative antibacterial medications that inhibit protein synthesis and contain as a portion of the molecule an amino-modified glycoside. Discover the latest research on aminoglycoside here.

Aminoglycosides (ASM)

Aminoglycoside is a medicinal and bacteriologic category of traditional Gram-negative antibacterial medications that inhibit protein synthesis and contain as a portion of the molecule an amino-modified glycoside. Discover the latest research on aminoglycoside here.