Research Article

ANTAGONISTIC ACTIVITIES OF HUMAN ORAL FLORA AGAINST FUNGAL PLANT PATHOGENS

Aruwa, C. E.1*, Adednro, S. H.1, Adetuyi, F. C1
1 Department of Microbiology, Federal University of Technology, P.M.B. 704, Akure, Nigeria
* Corresponding author: green.eleojo29@gmail.com
Published: Dec, 2015
DOI: 10.67614/njm.2015.5f5tv65h
Pages: 3105-3115

Abstract

This study was carried out to investigate the antagonistic activities of tongue isolates; Micrococcus luteus, Streptococcus mutatis, and Corynebacterium sp. and Aspergillus sp. against five test pathogenic fungi; Colletotrichum lindemuthianum, Colletotrichum capsici, Colletotrichum pisi, Sclerotium rolfsii, and Fusarium oxysporum, monitored over a period of five days incubation. All isolates were subjected to screening against the plant pathogens and most of the isolates showed antagonistic activity. Streptococcus mutatis (13.8±0.1: P=.05) showed the highest antagonistic activity after 24h; and least, Micrococcus luteus (0.1±0.0) against Colletotrichum capsici. The experimental results demonstrated the fungicidal effect of tongue microflora and revealed the possibility of the metabolites produced by these microorganisms to be used as potential biocontrol agents against these fungal species. This research paper further discussed the use of oral microflora as possible source(s) of biocontrol agents in control of plant disease, especially those caused by the selected test fungal pathogens. It also highlights factors that contribute to the limited use of biocontrol agents (BCAs).

Keywords

Antagonism pathogenic fungi tongue isolates biocontrol

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How to Cite

E., A. C., H., A. S., & C, A. F. (2015). ANTAGONISTIC ACTIVITIES OF HUMAN ORAL FLORA AGAINST FUNGAL PLANT PATHOGENS. Nigerian Journal of Microbiology, 29(2), 3105-3115. https://doi.org/10.67614/njm.2015.5f5tv65h

A. C. E., A. S. H., and A. F. C, "ANTAGONISTIC ACTIVITIES OF HUMAN ORAL FLORA AGAINST FUNGAL PLANT PATHOGENS," Nigerian Journal of Microbiology, vol. 29, no. 2, pp. 3105-3115, December 2015. doi: 10.67614/njm.2015.5f5tv65h

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