Paper Title
Endophytes From Medicinal Plants as Biocontrol Agents ; A Comparative Study
Article Identifiers
Authors
S Anu Kiruthika , Qurath Ul Ain , Bawanshisha Syiemlieh , N B Karthik
Keywords
Endophytic microorganisms, Ocimum sanctum, Plectranthus amboinicus, Hibiscus rosa-sinensis, secondary metabolites, bioactive compounds, antibacterial activity, biocontrol agents.
Abstract
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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How To Cite (APA)
S Anu Kiruthika, Qurath Ul Ain, Bawanshisha Syiemlieh, & N B Karthik (October-2022). Endophytes From Medicinal Plants as Biocontrol Agents ; A Comparative Study. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 7(10), 183-194. https://ijnrd.org/papers/IJNRD2210147.pdf
Issue
Volume 7 Issue 10, October-2022
Pages : 183-194
Other Publication Details
Paper Reg. ID: IJNRD_183581
Published Paper Id: IJNRD2210147
Downloads: 000121994
Research Area: Life SciencesÂ
Country: Bengaluru, Karnataka, India
Published Paper PDF: https://ijnrd.org/papers/IJNRD2210147.pdf
Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2210147
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Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)
ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar | ESTD YEAR: 2016
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