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A Proteomic Approach Provides New Insights into the Control of Soil-borne Plant Pathogens by Bacillus Species

Baysal, Ö. and Lai, D. and Xu, H. and Siragusa, M. and Çalışkan, M. and Carimi, F. and Teixeira da Silva, J.A. and Tör, M. (2013) A Proteomic Approach Provides New Insights into the Control of Soil-borne Plant Pathogens by Bacillus Species. PLoS One, 8 (1). pp. 1-12. ISSN 1932-6203

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Abstract

Beneficial microorganisms (also known as biopesticides) are considered to be one of the most promising methods for more rational and safe crop management practices. We used Bacillus strains EU07, QST713 and FZB24, and investigated their inhibitory effect on Fusarium. Bacterial cell cultures, cell-free supernatants and volatiles displayed varying degrees of suppressive effect. Proteomic analysis of secreted proteins from EU07 and FZB24 revealed the presence of lytic enzymes, cellulases, proteases, 1,4-β-glucanase and hydrolases, all of which contribute to degradation of the pathogen cell wall. Further proteomic investigations showed that proteins involved in metabolism, protein folding, protein degradation, translation, recognition and signal transduction cascade play an important role in the control of Fusarium oxysporum. Our findings provide new knowledge on the mechanism of action of Bacillus species and insight into biocontrol mechanisms.

Item Type: Article
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The full-text of this article can be accessed via the official URL.

Originally deposited as National Pollen and Aerobiology Research Unit (NPARU)

Uncontrolled Keywords: protein expression, proteases, Fusarium, plant bacterial pathogens, Bacillus subtilis, plant pathogens, enzymes, peptides, microorganisms, crop management, bacterial cells
Subjects: Q Science > Q Science (General)
Q Science > QR Microbiology
Divisions: Academic Departments > Institute of Science and the Environment
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Copyright Info: Open Access article
Depositing User: Janet Davidson
Date Deposited: 07 Oct 2013 12:12
Last Modified: 18 Feb 2016 09:49
URI: https://eprints.worc.ac.uk/id/eprint/2453

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