In Vitro Antifungal Activity of Burkholderia gladioli pv. agaricicola Against Some Phytopathogenic Fungi
- Author: mycolabadmin
- 2012-12-03
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Summary
This research investigated how a specific bacteria (Burkholderia gladioli) can be used as a natural pesticide to control harmful fungi that damage plants and crops. The bacteria produces natural compounds and enzymes that effectively inhibit the growth of various plant-damaging fungi.
Impacts on everyday life:
• Provides a natural alternative to chemical pesticides for protecting crops
• Could lead to safer and more environmentally friendly farming practices
• May help reduce chemical residues in food products
• Could improve crop yields while reducing environmental pollution
• Demonstrates potential for developing new organic farming solutions
Background
The biological control of plant diseases using microorganisms has been proposed as an alternative or supplement to chemical control. Burkholderia gladioli pv. agaricicola (Bga) is known as a mushroom pathogen but possesses potential as a plant pathogen antagonist. The trend to search for novel microbial natural biocides has been increasing to avoid environmental pollution from synthetic pesticides.
Objective
To determine the antifungal activity of Burkholderia gladioli pv. agaricicola strains against several phytopathogenic fungi and assess their mechanisms of action through diffusible metabolites, extracellular enzymes, and volatile organic compounds.
Results
All tested Bga strains showed significant antifungal activity against the studied fungi through diffusible metabolites and production of extracellular hydrolytic enzymes including chitinase, protease and glucanase. Bacterial cells showed higher bioactivity than filtrates. The strains produced volatile organic compounds that inhibited fungal growth, with the main compound identified as 1-methyl-4-(1-methylethenyl)-cyclohexene, a cyclic terpene.
Conclusion
Burkholderia gladioli pv. agaricicola demonstrates strong potential as a biological control agent against phytopathogenic fungi through multiple mechanisms including extracellular enzymes, diffusible metabolites, and volatile organic compounds. The antifungal activity appears to be primarily due to a cyclic terpene compound identified in the volatile emissions.
- Published in:International Journal of Molecular Sciences,
- Study Type:In Vitro Study,
- Source: 10.3390/ijms131216291