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Staphylococcal strains involved in bovine mastitis are inhibited by Staphylococcus aureus antimicrobial peptides
Author(s) -
De Oliveira S. S.,
Abrantes J.,
Cardoso M.,
Sordelli D.,
Bastos M. C. F.
Publication year - 1998
Publication title -
letters in applied microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.698
H-Index - 110
eISSN - 1472-765X
pISSN - 0266-8254
DOI - 10.1046/j.1472-765x.1998.00431.x
Subject(s) - staphylococcus aureus , microbiology and biotechnology , library science , biology , genetics , bacteria , computer science
The inhibitory activity of five bacteriocin (Bac)‐producer strains of Staphylococcus aureus was tested against bacteria pathogenic for cattle. Sixty‐five epidemiologically unrelated strains of Staph. aureus involved in bovine mastitis were used as indicators in an agar diffusion test. Bacteriocins produced by four strains could inhibit only a limited number of test organisms. However, all 65 indicator strains proved to be susceptible to the combined action of both bacteriocins encoded by pRJ9, a Bac plasmid found in strain A53. Therefore, the bacteriocins produced by this strain may represent new antimicrobial peptides with potential applications in the prevention and treatment of bovine mastitis.