Antagonistic activity of actinomycetes isolates against human pathogen

Usha Rakshanya. J, Hema Shenpagam N, D. Kanchana Devi

Abstract


The present study was designed to isolate actinomycetes and evaluate their antimicrobial activity against different pathogenic bacteria. Actinomycetes isolates were identified as Streptomyces sp, Micromonosporasp, Nocadia sp. The cell free supernatant of the selected isolate were able to inhibit the growth of all human pathogens ( S.aureus, Proteus vulgaris, P.aeroginosa, E.coli, B.subtilis, B.megaterium, K.pneumoniae, C.albicans, A.niger, S.cervisiae) used in this study. Out of the 5 actinomycetes isolates Streptomyces sp( S1) exhibited high antibacterial activity against Staphylococcusaureus. The remaining isolates also showed very promising activity against human pathogens

Key words: Actinomycetes , screening, antibacterial activity, pathogens


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