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Antifungal Properties of Two Volatile Organic Compounds on Barley Pathogens and Introduction to Their Mechanism of Action.

ABSTRACT: This study evaluated the antifungal effects of various volatile organic compounds (VOCs) against two common pathogens: Fusarium culmorum and Cochliobolus sativus. Among the various VOCs, methyl propanoate (MP) and methyl prop-2-enoate (MA) exhibited remarkable antifungal effects under different experimental conditions (direct or indirect contact) and at different concentrations (500-1000 ?M). In addition, the type of antifungal effect (fungistatic or fungicidal) appeared to be strongly correlated with the VOC concentrations. Additional tests revealed that both molecules increased membrane permeability of pathogenic spores, which resulted in a decreased efflux of K+ ions into the intracellular medium.

SUBMITTER: Kaddes A

PROVIDER: S-EPMC6720319 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Antifungal Properties of Two Volatile Organic Compounds on Barley Pathogens and Introduction to Their Mechanism of Action.

Kaddes Amine A Fauconnier Marie-Laure ML Sassi Khaled K Nasraoui Bouzid B Jijakli M Haïssam MH

International journal of environmental research and public health 20190810 16

This study evaluated the antifungal effects of various volatile organic compounds (VOCs) against two common pathogens: <i>Fusarium culmorum</i> and <i>Cochliobolus sativus</i>. Among the various VOCs, methyl propanoate (MP) and methyl prop-2-enoate (MA) exhibited remarkable antifungal effects under different experimental conditions (direct or indirect contact) and at different concentrations (500-1000 μM). In addition, the type of antifungal effect (fungistatic or fungicidal) appeared to be stro ...[more]

PMID: 31405165

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