Published June 20, 2019
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Detection of plasmid-mediated tigecycline-resistant gene tet(X4) in Escherichia coli from pork, Sichuan and Shandong Provinces, China, February 2019
Creators
- 1. Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, Beijing, People's Republic of China; Food Safety Research Unit of Chinese Academy of Medical Sciences, China National Center for Food Safety Risk Assessment, Beijing, People's Republic of China
- 2. Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, and Beijing Key Laboratory of Emerging Infectious Diseases, Beijing, People's Republic of China
- 3. Center for disease control and prevention of Liaocheng city, Liaocheng, People's Republic of China
- 4. Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, Beijing, People's Republic of China; Food Safety Research Unit of Chinese Academy of Medical Sciences, China National Center for Food Safety Risk Assessment, Beijing, People's Republic of China; Chengdu institute for Food and Drug Control, Chengdu, People's Republic of China
- 5. Chengdu institute for Food and Drug Control, Chengdu, People's Republic of China
- 6. Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People's Republic of China, Beijing, People's Republic of China; Food Safety Research Unit of Chinese Academy of Medical Sciences, China National Center for Food Safety Risk Assessment, Beijing, People's Republic of China; UCD-Centre for Food Safety, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Belfield, Dublin, Ireland
- 7. Department of Food Science, National Institutes for Food and Drug Control, Beijing, People's Republic of China
Description
The plasmid-mediated high-level tigecycline resistance gene, tet(X4), was detected in seven Escherichia coli isolates from pork in two Chinese provinces. Two isolates belonged to the epidemic spreading sequence type ST101. Tet(X4) was adjacent to ISVsa3 and concurrent with floR in all seven isolates. In addition to IncFIB, the replicon IncFII was found to be linked to tet(X4). This report follows a recent detection of tet(X3)/(X4) in E. coli from animals and humans in China.
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