Synthesis of bioactive compounds from vermicast isolated actinomycetes species and its antimicrobial activity against human pathogenic bacteria

Balachandar, R. and Karmegam, N. and Saravanan, M. and Subbaiya, R. and Gurumoorthy, P. (2018) Synthesis of bioactive compounds from vermicast isolated actinomycetes species and its antimicrobial activity against human pathogenic bacteria. Microbial Pathogenesis, 121. pp. 155-165. ISSN 08824010

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Abstract

The present study was aimed to evaluate the antimicrobial activities of bioactive compounds synthesized from vermicast isolated actinomycetes species. Specifically, the synthesized bioactive compounds were evaluated for their antimicrobial activity against selected Gram + ve and Gram – ve human pathogenic bacteria including Staphylococcus aureus, Bacillus circulans, Bacillus subtilis, Pseudomonas aeruginosa, and Escherichia coli. Interestingly, a total of five different actinomycetes species were recovered from vermicasts. More interestingly, among these potential actinomycetes species, the bioactive compounds synthesized by isolate AS9 showed a significant antibacterial activity and its mean zone of inhibition was found at 11.3 ± 1.6 mm, 9.5 ± 0.91 mm, and 9.9 ± 1.71 mm against S. aureus, B. subtilis, and B. circulans, respectively. Furthermore, according to antibacterial activity and spectrum broadness, three of the actinomycetes strains were selected and characterized by conventional methods. Subsequently, the bioactive compound profiling of these isolated actinomycetes strains performed through GC-MS analysis indicating the presence of the bioactive compounds including 3, octadecene (E), behnic alcohol phenol, 2,4-bis(1,1-dimethyl ethyl) 1-nonadecene, 1-heneicosanol, milbemycin 3-eicosene (E), and 1-docosanol. © 2019 Elsevier B.V., All rights reserved.

Item Type: Article
Subjects: Agricultural and Biological Sciences > Biological Sciences
Divisions: Medicine > Vinayaka Mission's Kirupananda Variyar Medical College and Hospital, Salem > Microbiology
Depositing User: Unnamed user with email techsupport@mosys.org
Last Modified: 08 Dec 2025 12:22
URI: https://vmuir.mosys.org/id/eprint/3848

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