학술논문
Profiles of Non-aureus Staphylococci in Retail Pork and Slaughterhouse Carcasses: Prevalence;Antimicrobial Resistance;and Genetic Determinant of Fusidic Acid Resistance
이용수 7
- 영문명
- 발행기관
- 한국축산식품학회
- 저자명
- Yu Jin Yang Gi Yong Lee Sun Do Kim Ji Heon Park Soo In Lee Geun-Bae Kim Soo-Jin Yang
- 간행물 정보
- 『Food Science of Animal Resources』Food Science of Animal Resources 제42권 제1호, 225~239쪽, 전체 15쪽
- 주제분류
- 농수해양 > 식품과학
- 파일형태
- 발행일자
- 2022.01.31
4,600원
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국문 초록
영문 초록
As commensal colonizers in livestock;there has been little attention on staphylococci;especially non-aureus staphylococci (NAS);contaminating meat production chain. To assess prevalence of staphylococci in retail pork and slaughterhouse carcass samples in Korea;we collected 578 samples from Korean slaughterhouses (n=311) and retail markets (n=267) for isolation of staphylococci and determined antimicrobial resistance phenotypes in all the isolates. The presence of and prevalence of fusB-family genes (fusB;fusC;fusD;and fusF) and mutations in fusA genes were examined in fusidic acid resistant isolates. A total of 47 staphylococcal isolates of 4 different species (Staphylococcus aureus;n=4; S. hyicus;n=1; S. epidermidis;n=10; Mammaliicoccus sciuri;n=32) were isolated. Fusidic acid resistance were confirmed in 9/10 S. epidermidis and all of the 32 M. sciuri (previously S. sciuri) isolates. Acquired fusidic acid resistance genes were detected in all the resistant strains; fusB and fusC in S. epidermidis and fusB/C in M. sciuri. Multi-locus sequence type analysis revealed that ST63 (n=10;31%) and ST30 (n=8;25%) genotypes were most prevalent among fusidic acid resistant M. sciuri isolates. In conclusion;the high prevalence of fusB-family genes in S. epidermidis and M. sciuri strains isolated from pork indicated that NAS might act as a reservoir for fusidic acid resistance gene transmissions in pork production chains.
목차
Introduction
Materials and Methods
Results
Discussion
Conflicts of Interest
Acknowledgements
Author Contributions
Ethics Approval
References
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