Identification of Novel <i>tet</i> (X3) Variants Resistant To Tigecycline in Acinetobacter Species
Yumeng Cheng, Yakun Li, Runhao Yu, Mingxiang Ma, Meng Yang, Hongbin Si
Abstract
Although it is illegal to use tigecycline and carbapenems to treat bacterial infections in animals, we can still isolate bacteria containing both mobile resistance genes from animals, and tet (X) is currently an essential factor in degrading tigecycline. Here, we characterized two multidrug-resistant Acinetobacter sp. strains that contained vital resistance genes, such as sul2 , a bla OXA-164 -like gene, floR , tetM , and multiple novel tet (X3) variants with different tandem structures.
Topics & Concepts
TigecyclineAcinetobacterMicrobiologyBiologyIdentification (biology)Acinetobacter baumanniiComputational biologyGeneticsAntibioticsBacteriaEcologyPseudomonas aeruginosaAntibiotic Resistance in BacteriaPharmaceutical and Antibiotic Environmental ImpactsEnterobacteriaceae and Cronobacter Research