Por favor, use este identificador para citar o enlazar este ítem: http://repositorio.ufc.br/handle/riufc/26557
Tipo: Artigo de Periódico
Título : Violacein antimicrobial activity on Staphylococcus epidermidis and synergistic effect on commercially available antibiotics
Autor : Dodou, H.V.
Batista, A. H. de Morais
Sales, G.W.P.
Medeiros, S. C. de
Rodrigues, M. L.
Nogueira, P.C.N.
Silveira, E.R.
Nogueira, N. A. P.
Palabras clave : Staphylococcus epidermidis;Antibacterianos;Anti-Bacterial Agents
Fecha de publicación : 2017
Editorial : Journal of applied microbiology
Citación : DODOU, H. V. et al. Violacein antimicrobial activity on Staphylococcus epidermidis and synergistic effect on commercially available antibiotics. Journal of applied microbiology, Oxford, v. 123, p. 853-860, 2017.
Abstract: Aims: The study aimed to assess whether violacein has antimicrobial activity on Staphylococcus epidermidis and synergistically modulates the action of commercially available antimicrobial drugs. Methods and Results: Violacein showed excellent antimicrobial activity on biofilm-forming and nonbiofilm-forming S. epidermidis strains (ATCC 35984) (ATCC 12228), with bacteriostatic (MIC = 20 lg ml 1 and 10 lg ml 1 respectively) and bactericidal effects (MBC = 20 lg ml 1 for both strains), observed in short periods of exposure. The violacein bactericidal concentration led to S. epidermidis death after 2–3 h of exposure. Additionally, violacein synergistically modulated the activity of different antimicrobial classes on S. epidermidis ATCC 12228 (81 8%; n = 9) and on S. epidermidis ATCC 35984 (54 5%; n = 6), reducing the MIC of these antibiotics by up to 16-fold. Conclusion: Violacein shows excellent antimicrobial activity on S. epidermidis strains. Significance and Impact of the Study: Violacein shows the potential for the development of a new drug for the treatment of infections caused by S. epidermidis.
URI : http://www.repositorio.ufc.br/handle/riufc/26557
ISSN : 1364- 5072
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