Identification of Novel Plasmids Containing the Tigecycline Resistance Gene tet(X4) in Escherichia coli Isolated from Retail Chicken Meat.

In 2019, transferable plasmid-borne tet(X3)/tet(X4) genes conferring high-level tigecycline resistance were identified in Enterobacteriaceae and Acinetobacter. These transferable tet(X) variants ar...