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Twelve carbapenem-resistant Escherichia coli strains were obtained from goose farms in Jiangsu, China. These isolates were resistant to multiple antimicrobials, and positive for the bla NDM- 5. The carbapenem-resistance of all strains mediated by bla NDM- 5 were successfully conjugated to E. coli J53. S1-PFGE and WGS results showed bla NDM- 5 was located on IncX3 conjugative plasmids with a size of ca. 46 kb. All bla NDM- 5-bearing IncX3 plasmids shared the same genetic context almost identical to pNDM_MGR194-bla NDM- 5 and pNDM-QD28-bla NDM- 5 reported in India and China, respectively. The twelve strains belonged to three STs, in which the dominant type of E. coli isolated from breeding goose farm carrying bla NDM- 5 was ST48. The emergence of bla NDM- 5-bearing strains in goose farms and the clonal transmission of E. coli within the breeding goose farm highlighted the potential reservoir of carbapenemase genes in waterfowl farming system, which may further contaminate environments and pose a threat to public health. Comprehensive surveillance of carbapenem-resistant bacteria in goose farms warrants further study to evaluate the underlying risks.
Pubmed ID: 31551956
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View all literature mentionsA cross-platform (Windows/Mac/Unix) application that can display circular comparisons between a large number of genomes, with a focus on handling genome assembly data.
View all literature mentionsA SEED-quality automated service that annotates complete or nearly complete bacterial and archaeal genomes across the entire phylogenetic tree. RAST can also be used to analyze draft genomes.
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