Antimicrobial Resistance, Virulence Profile, and Molecular Characterization of Listeria monocytogenes Isolated from Ready-to-eat Food in China, 2013-2014

被引：12
|
作者：
Yan Shao Fei [1 ]
Wang Wei [1 ]
Bai Li [1 ]
Hu Yu Jie [1 ]
Dong Yin Ping [1 ]
Xu Jin [1 ]
Li Feng Qin [1 ]
机构：
[1] China Natl Ctr Food Safety Risk Assessment, Key Lab Food Safety Risk Assessment, Minist Hlth, Beijing 100021, Peoples R China
来源：
BIOMEDICAL AND ENVIRONMENTAL SCIENCES | 2016年 / 29卷 / 06期
关键词：
D O I：
10.3967/bes2016.058
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We aimed to investigate the potential pathogenic profile and antibiotic resistance of Listeria monocytogenes isolated from ready-to-eat food in China. Antimicrobial resistance was determined by broth microdilution following the Clinical and Laboratory Standards Institute protocol. Molecular serotyping, virulence, and resistance genes were identified using PCR. Multi-locus sequence typing was performed on resistant strains. A total of 11.53% (113/980) isolates were resistant, from which 82.3% (93/113) harbored all the virulence genes tested. The resistant strains were subtyped into 18 sequence types (STs), from which ST2, ST5, ST8, and ST9 were involved in listeriosis. This study indicated that several L. monocytogenes isolates from ready-to-eat foods in China have pathogenic potential and are resistant to antibiotics, including antibiotics used as medicines by humans for listeriosis treatment.
引用
收藏
页码：448 / 452
页数：5
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