Endophytes From Medicinal Plants as Biocontrol Agents ; A Comparative Study

Endophytes From Medicinal Plants as Biocontrol Agents ; A Comparative Study

Registration ID: IJNRD_183581

Published ID: IJNRD2210147

DOI: Click Here to Get

S Anu Kiruthika , Qurath Ul Ain , Bawanshisha Syiemlieh , N B Karthik

Endophytic microorganisms, Ocimum sanctum, Plectranthus amboinicus, Hibiscus rosa-sinensis, secondary metabolites, bioactive compounds, antibacterial activity, biocontrol agents.

Aim: To isolate endophytic microorganisms from the leaves of Ocimum sanctum, Plectranthus amboinicus, and from the flower of Hibiscus rosa-sinensis..To assess and comparatively study the antibacterial effect of secondary metabolites of endophytic bacteria and fungi. Methods: Surface sterilization of collected samples, pre-treatment of sterilized samples, isolation, and preliminary characterization of these endophytes was carried out via microscopic observations and biochemical characterization. These endophytes were screened for their antibacterial activity. Results: A total of 3 fungi and 31 bacteria were isolated from these medicinal plant samples. Out of which only three fungal and four bacterial endophytes were chosen based on the agar plate activity, sub-cultured and screened for the production of bioactive compounds. Later the effect of their secondary metabolites was studied against multidrug-resistant bacteria such as Staphylococcus aureus, Klebsiella pneumoniae, Pseudomonas aeruginosa, and Serretia sp. All the chosen endophytes except one fungi showed promising inhibitory effects against the test organisms. Conclusion: The zones of inhibition obtained from the fungal metabolites were wider and had better inhibitory effect on all the test organisms even at a lower concentrations where as, the secondary metabolites obtained from the four bacterial endophytes displayed as varying effect on the above mentioned organisms. Hence its confirmed that the fungal metabolites are more efficient in controlling the growth of these test organisms. The increased concentrations of the bacterial metabolites enhances its antibacterial effects.

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"Endophytes From Medicinal Plants as Biocontrol Agents ; A Comparative Study", IJNRD - INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT (www.IJNRD.org), ISSN:2456-4184, Vol.7, Issue 10, page no.183-194, October-2022, Available :https://ijnrd.org/papers/IJNRD2210147.pdf

Volume 7 Issue 10, October-2022

Pages : 183-194

Paper Reg. ID: IJNRD_183581

Published Paper Id: IJNRD2210147

Downloads: 000121138

Research Area: Life Sciences 

Country: Bengaluru, Karnataka, India

Published Paper PDF: https://ijnrd.org/papers/IJNRD2210147.pdf

Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2210147

Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)

ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar | ESTD YEAR: 2016

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Publisher: IJNRD (IJ Publication) Janvi Wave

This work is licensed under a Creative Commons Attribution 4.0 International License and The Open Definition

Call For Paper - Volume 10 | Issue 8 | August 2025

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