Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>

<i>Botrytis cinerea</i> is a phytopathogenic fungus responsible for economic losses from USD 10 to 100 billion worldwide. It affects more than 1400 plant species, thus becoming one of the main threats to the agriculture systems. The application of fungicides has for years been an efficie...

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Main Authors: Rocío Roca-Couso, José David Flores-Félix, Raúl Rivas
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Journal of Fungi
Subjects:
Online Access:https://www.mdpi.com/2309-608X/7/12/1045
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author Rocío Roca-Couso
José David Flores-Félix
Raúl Rivas
author_facet Rocío Roca-Couso
José David Flores-Félix
Raúl Rivas
author_sort Rocío Roca-Couso
collection DOAJ
description <i>Botrytis cinerea</i> is a phytopathogenic fungus responsible for economic losses from USD 10 to 100 billion worldwide. It affects more than 1400 plant species, thus becoming one of the main threats to the agriculture systems. The application of fungicides has for years been an efficient way to control this disease. However, fungicides have negative environmental consequences that have changed popular opinion and clarified the need for more sustainable solutions. Biopesticides are products formulated based on microorganisms (bacteria or fungi) with antifungal activity through various mechanisms. This review gathers the most important mechanisms of antifungal activities and the microorganisms that possess them. Among the different modes of action, there are included the production of diffusible molecules, both antimicrobial molecules and siderophores; production of volatile organic compounds; production of hydrolytic enzymes; and other mechanisms, such as the competition and induction of systemic resistance, triggering an interaction at different levels and inhibition based on complex systems for the production of molecules and regulation of crop biology. Such a variety of mechanisms results in a powerful weapon against <i>B. cinerea</i>; some of them have been tested and are already used in the agricultural production with satisfactory results.
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spelling doaj.art-d25885a1fd6849e9a2b5f6f55b310bb32023-11-23T09:05:03ZengMDPI AGJournal of Fungi2309-608X2021-12-01712104510.3390/jof7121045Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>Rocío Roca-Couso0José David Flores-Félix1Raúl Rivas2Department of Microbiology and Genetics, Edificio Departamental de Biología, University of Salamanca, 37007 Salamanca, SpainCICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, PortugalDepartment of Microbiology and Genetics, Edificio Departamental de Biología, University of Salamanca, 37007 Salamanca, Spain<i>Botrytis cinerea</i> is a phytopathogenic fungus responsible for economic losses from USD 10 to 100 billion worldwide. It affects more than 1400 plant species, thus becoming one of the main threats to the agriculture systems. The application of fungicides has for years been an efficient way to control this disease. However, fungicides have negative environmental consequences that have changed popular opinion and clarified the need for more sustainable solutions. Biopesticides are products formulated based on microorganisms (bacteria or fungi) with antifungal activity through various mechanisms. This review gathers the most important mechanisms of antifungal activities and the microorganisms that possess them. Among the different modes of action, there are included the production of diffusible molecules, both antimicrobial molecules and siderophores; production of volatile organic compounds; production of hydrolytic enzymes; and other mechanisms, such as the competition and induction of systemic resistance, triggering an interaction at different levels and inhibition based on complex systems for the production of molecules and regulation of crop biology. Such a variety of mechanisms results in a powerful weapon against <i>B. cinerea</i>; some of them have been tested and are already used in the agricultural production with satisfactory results.https://www.mdpi.com/2309-608X/7/12/1045<i>Botrytis</i>biocontrolmechanismsInduced systemic resistancebiopesticiderhizobacteria
spellingShingle Rocío Roca-Couso
José David Flores-Félix
Raúl Rivas
Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>
Journal of Fungi
<i>Botrytis</i>
biocontrol
mechanisms
Induced systemic resistance
biopesticide
rhizobacteria
title Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>
title_full Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>
title_fullStr Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>
title_full_unstemmed Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>
title_short Mechanisms of Action of Microbial Biocontrol Agents against <i>Botrytis cinerea</i>
title_sort mechanisms of action of microbial biocontrol agents against i botrytis cinerea i
topic <i>Botrytis</i>
biocontrol
mechanisms
Induced systemic resistance
biopesticide
rhizobacteria
url https://www.mdpi.com/2309-608X/7/12/1045
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