Agradecimentos: Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) provided funding to R.P.M. (2012/05073-3 and 2013/25615-8) and to T.C.G.R. (2013/ 09167-5). Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) provided funding to Wanderley Dias da Silveira. The funders had no role in study design, data collection and interpretation, or the decision to submit the work for publication...
Agradecimentos: We are grateful to Lina Cavaco, Luciene Andrade da Rocha Minarini, and Regina Maria Nardi Drummond for providing the positive control strains; Abstract: In recent decades, the emergence and spread of resistance to nalidixic acid are usually associated with reduced susceptibility to ciprofloxacin among Salmonella serotypes. The aims of this study were to investigate the mechanisms associated with...