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Anti-Infective Agents

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ISSN (Print): 2211-3525
ISSN (Online): 2211-3533

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Research Article

Structural Analysis, Antifungal Activity and Molecular Docking Study of a Compound Isolated from Streptomyces species

Author(s): Ajay Kumar*, Anurag Agrawal, Diwakar Chauhan and Pragati Saini

Volume 19, Issue 2, 2021

Published on: 22 October, 2020

Page: [220 - 229] Pages: 10

DOI: 10.2174/2211352518999201022191232

Price: $65

Abstract

Background: The emergence of drug resistance is the biggest threat; consequently, novel antimicrobial agents from natural sources is the need of the hour. This study was designed to isolate and evaluate a bioactive compound from actinomycete against human pathogens.

Methods: In search of a new antimicrobial compound with enhanced potency, several actinomycetes were isolated and screened for their anidermatophytic acitivity. The bioactive compound was extracted and purified by chromatographic technique. The structure of the extracted bio active compound was elucidated by mass and NMR data. The synthesized bioactive compound was further tested for its antidermatophytic activity by the micro broth dilution method.

Results: Streptomyces ARITM 03 was isolated that exhibited antifungal activity against human pathogenic fungi by primary and secondary screening methods. The MIC of bioactive compound was found to be 1250, 312.5 and 2500 μg/ml against tested fungal pathogens A. niger, C. albicans and M. canis, respectively. Chromatography analysis of active metabolite showed a single spot having Rf value of 0.74 and FT-IR spectrum displaying the presence of OH, CO=NH2 functional amide group, and C=O keto groups in the structure. The mass and NMR spectra revealed the molecular formula C26H44N4O6 of bioactive compound. The azole derivative showed an acceptable docking score and exhibited a greater zone of inhibition in comparison to the other compounds.

Conclusion: The results presented in this paper provided an insight into the capability of Streptomyces sp. ARITM03 as a potential source of bioactive secondary metabolites compound a molecule to develop other azoles, to be used clinically to overcome adverse effects like gynecomastia and hepatotoxicity due to extensive use of current azole antifungal agents.

Keywords: Actinomycetes, anti-dermatophytic activity, bioactive metabolites, micro-broth dilution method, NMR, ARITM03.

Graphical Abstract

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