Genetics and Molecular Research 15 (3): gmr.15038608 Characterization and molecular epidemiology of extensively prevalent nosocomial isolates of drug-resistant Acinetobacter spp A.A. Carvalho 1,2 *, L.L. Cardoso 3 , H.S. Nogueira 1 , E.V. Menezes 1 , M.A.S. Xavier 1,4 , N.A.P. Barreto 4 , L.F. Fernandes 5 and A.R.E.O. Xavier 1,4 * 1 Laboratório de Bioprospeção e Recursos Genéticos, Departamento de Biologia, Centro de Ciências Biológicas e da Saúde, Universidade Estadual de Montes Claros, Montes Claros, MG, Brasil 2 Unidade de Tratamento Intensivo Neonatal e Pediátrica, Hospital Santa Casa, Montes Claros, MG, Brasil 3 Laboratório de Análises Clínicas, Hospital Santa Casa, Montes Claros, MG, Brasil 4 Departamento de Fisiopatologia, Centro de Ciências Biológicas e da Saúde, Universidade Estadual de Montes Claros, Montes Claros, MG, Brasil 5 Comissão de Controle de Infecção Hospitalar, Hospital Santa Casa, Montes Claros, MG, Brasil *These authors contributed equally to this study. Corresponding author: A.R.E.O. Xavier E-mail: ericsson_aerc@yahoo.com.br Genet. Mol. Res. 15 (3): gmr.15038608 Received March 8, 2016 Accepted March 23, 2016 Published August 18, 2016 DOI http://dx.doi.org/10.4238/gmr.15038608 Copyright © 2016 The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution ShareAlike (CC BY-SA) 4.0 License. ABSTRACT. Acinetobacter sp isolates deserve special attention once they have emerged globally in healthcare institutions because they display numerous intrinsic and acquired drug-resistance mechanisms. This study assessed the antibiotic susceptibility profle, the presence