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Volume 50, Number 2, April 2017

Characterization of a novel qepA3 variant in Enterobacter aerogenesDongguo Wang, Xitian Huang, Jiayu Chen, Yonghua Mou, Yongxiao Qi 

Dongguo Wang, Xitian Huang, Jiayu Chen, Yonghua Mou, Yongxiao Qi


Corresponding author:

Dongguo Wang, Corresponding author. Department of Clinical Laboratories for Infectious Disease, Taizhou Municipal Hospital affiliated with Taizhou University, 381 East Road of Zhongshan, Taizhou, Zhejiang, 318000, China. 


Background and purpose: 

Five isolates harboring qepA were studied by polymerase chain reaction (PCR) amplification and relevant methods. One was determined to be a novel qepA3 from Enterobacter aerogenes, and four involved three qepA1 and one qepA2 determinants from Escherichia coli; the qepA3 changed five amino acids. These results characterized genetic structures A, B, C, D, and E. 


Enterobacter aerogenes, Escherichia coli, genetic structure, novel qepA3 variant gene, quinolone resistance