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Inhibition potential of Caryocar brasiliense on methicillin-resistant Staphylococcus pseudintermedius isolated from the ocular surface of dogs with ophthalmopathies

ABSTRACT The indiscriminate use of antibiotics has contributed to the emergence of multiresistant bacteria. Faced with this, the search for antibiotics from plants has proven to be a promising alternative. The objective of this work was to isolate and identify Staphylococcus sp. resistant to methici...

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Bibliographic Details
Published in:Arquivo brasileiro de medicina veterinária e zootecnia 2023-01, Vol.75 (1), p.41-47
Main Authors: Bruno Filho, F.F., Ataíde, W.F., Stella, A.E., Benite-Ribeiro, S.A., Nebo, L., Amaral, A.V.C.
Format: Article
Language:English
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Summary:ABSTRACT The indiscriminate use of antibiotics has contributed to the emergence of multiresistant bacteria. Faced with this, the search for antibiotics from plants has proven to be a promising alternative. The objective of this work was to isolate and identify Staphylococcus sp. resistant to methicillin of the ocular surface of dogs with ophthalmopathies and to evaluate its susceptibility to alcoholic extract of the bark and hexane extract of the pulp of Caryocar brasiliense. Biological material was collected from the ocular surface of 21 dogs presenting ophthalmopathies. We isolated 64 S. pseudintermedius, among these, 4 isolates were identified as methicillin-resistant S. pseudintermedius (MRSP). The alcoholic extract of C. brasiliense peel was able to inhibit the bacterial growth of MRSP isolates at a concentration of 2.2%. Thus, the extract from the C. brasiliense peel has antimicrobial potential and represents an alternative in the control of MRSP. RESUMO O uso indiscriminado de antibióticos tem contribuído para o surgimento de bactérias multirresistentes. Diante disso, a busca por antibióticos a partir de plantas tem se mostrado uma alternativa promissora. O objetivo deste trabalho foi isolar e identificar Staphylococcus sp. resistente à meticilina da superfície ocular de cães com oftalmopatias e avaliar sua susceptibilidade ao extrato alcoólico da casca e ao extrato hexânico da polpa de Caryocar brasiliense. O material biológico foi coletado da superfície ocular de 21 cães com oftalmopatia. Isolaram-se 64 S. pseudintermedius; entre esses, quatro isolados foram identificados como S. pseudintermedius resistente à meticilina (MRSP). O extrato alcoólico da casca de C. brasiliense foi capaz de inibir o crescimento bacteriano dos isolados de MRSP na concentração de 2,2%. Dessa forma, o extrato da casca de C. brasiliense possui potencial antimicrobiano e representa uma alternativa no controle de MRSP.
ISSN:0102-0935
1678-4162
1678-4162
DOI:10.1590/1678-4162-12593