In vitro and in silico studies of chalcones derived from natural acetophenone inhibitors of NorA and MepA multidrug efflux pumps in Staphylococcus aureus

Thiago Sampaio de Freitas, Jayze da Cunha Xavier, Raimundo Luíz Silva Pereira, Janaína Esmeraldo Rocha, Fábia F. Campina, José Bezerra de Araújo Neto, Maria Milene Costa da Silva, Cristina Rodrigues dos Santos Barbosa, Emmanuel Silva Marinho, C.E.S. Nogueira, Hélcio Silva dos Santos, Henrique Douglas Melo Coutinho, Alexandre Magno Rodrigues Teixeira