Synthesis of Endophytic Fungi Metabolites, Antimicrobial Potentials, and Detection of their Bioactive Molecules Using Gas Chromatography-Mass Spectrometry

Olusola Majolagbe1,3, Tomiwa Adeniji1, Daniel Aina2, Iyabo Omomowo1*, Abimbola Owoseni3, Ezekiel Adeyeni4, Olusola Ogunmodede1
1Microbiology Unit, Department of Pure and Applied Biology, Ladoke Akintola University of Technology, PMB 4000, Ogbomoso Oyo State, Nigeria
2Department of Microbiology, Babcock University, Ilishan-Remo, Ogun State
3Microbiology Programme, College of Agriculture, Engineering and Science, Bowen University Iwo, Nigeria
4Department of Chemistry, Hallmark University, Ijebu-Itele, Nigeria


Corresponding Author: [email protected]; Tel: +234-8036843319
Recieved Date: 12 September 2020; Accepted Date: 14 April 2022; Published Date: 03 May
Citation:  Majolagbe O, Adeniji T, Aina D, Omomowo I, Owoseni A, Adeyeni E, Ogunmodede O. Synthesis of Endophytic Fungi Metabolites, Antimicrobial Potentials, and Detection of their Bioactive Molecules Using Gas Chromatography-Mass Spectrometry. Trop J Nat Prod Res. 2022; 6(4): 572-579 http://www.doi.org/10.26538/tjnpr/v6i4.18
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© 2022 Majolagbe et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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ABSTRACT

Endophytes are recognized for their potential as producers of natural bioactive metabolites because of the diversity of products naturally synthesized and the ease with which they grow. Endophytes have a promising perspective on drug development to reduce the challenges of antimicrobial resistance in conventional drugs. This study concentrated on isolating fungal endophytes from five herbal plants, namely: Carica papaya, Jatropha gossypifolia, Moringa oleifera, Mangifera indica, and Ocimum gratissimum. Two strains of Aspergillus niger, A. amstelodami, and Rhodotorula mucilaginosa were the fungal endophytes isolated. Each of the fungi endophytes was submerged in a fermentation setup containing Potato dextrose broth (PDB) for the synthesis of their crude metabolites. Different bioactive molecules in the crude metabolites were identified using the Gas chromatography-mass spectrometry (GC-MS) method. The antimicrobial potential of the synthesized four crude metabolites were further determined against three (3) clinical isolates: Staphylococcus aureus, Enterobacter cloacae, and Candida albicans. Inhibition zones ranged between 20±0.32 mm and 35±1.23 mm were observed and recorded for all the four crude metabolites tested against the clinical isolates mentioned above. All the crude metabolites showed to have possessed quantifiable bioactive molecules, which can be applied further in pharmaceutical processes.

Keywords: Antimicrobial, Bioactive molecules, Endophytes, Fermentation, Medicinal Plants, Metabolites.
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ISSN: 2616-0684 (Print)
ISSN: 2616-0692 (Online)
DOI: 10.26538/tjnpr
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