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Martin, Ana Luíza A.R.; Pereira, Raimundo Luiz Silva; Rocha, Janaína Esmeraldo; Farias, Pablo A.M.; Freitas, Thiago S.; de Lemos Caldas, Francisco Rodrigo; Figueredo, Fernando G.; Sampaio, Nadghia Figueiredo Leite; Ribeiro-Filho, Jaime; Menezes, Irwin Rose de Alencar; Brancaglion, Guilherme Andrade; de Paulo, Daniela Carvalho; Carvalho, Diogo T.; Lima, Micheline Azevedo; Coutinho, Henrique D.M.; Fonteles, Marta M.F.
Microbial pathogenesis, 09/2023, Letnik: 182Journal Article
The discovery of antibiotics has significantly transformed the outcomes of bacterial infections in the last decades. However, the development of antibiotic resistance mechanisms has allowed an increasing number of bacterial strains to overcome the action of antibiotics, decreasing their effectiveness against infections they were developed to treat. This study aimed to evaluate the antibacterial activity of synthetic coumarins Staphylococcus aureus in vitro and analyze their interaction with the MepA efflux pump in silico. The Minimum Inhibitory Concentration (MIC) determination showed that none of the test compounds have antibacterial activity. However, all coumarin derivatives decreased the MIC of the standard efflux inhibitor ethidium bromide, indicating antibacterial synergism. On the other hand, the C14 derivative potentiated the antibacterial activity of ciprofloxacin against the resistant strain. In silico analysis showed that C9, C11, and C13 coumarins showed the most favorable interaction with the MepA efflux pump. Nevertheless, due to the present in silico and in vitro investigation limitations, further experimental research is required to confirm the therapeutic potential of these compounds in vivo. •The docking assay demonstrated a possible interactions between the coumarins and MepA efflux pump.•Compounds C9, C11, and C13 showed a better interaction with the MepA efflux pump.•All coumarin assayed reduced the MIC of ethidium bromide.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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