Microbial Biopesticides: diversity, scope, and mechanisms involved in plant disease control

Dublin Core

Título

Microbial Biopesticides: diversity, scope, and mechanisms involved in plant disease control

Tema

CONTROL BIOLOGICO
BIOPLAGUICIDAS
ENFERMEDADES DE LAS PLANTAS
BIBLIOGRAFIA NACIONAL QUIMICA
2023

Abstract

Food losses, defined as a reduction in the quantity and quality of food during production and storage, impact food safety and security. Losses caused by plant pathogens are among the most significant. Chemical pesticides have been extensively used to prevent microbial diseases. Their toxicity and reduced efficacy, however, have encouraged investigators to develop alternatives. Alternatives based on microbial biopesticides tend to be safer and more environmentally benign than conventional pesticides. In recent years, formulations based on biopesticides have progressively increased in number and diversity and have attracted commercial interest. Understanding the mechanisms by which biopesticides control the disease is fundamental to achieving optimal disease control. Biocontrol mechanisms can be divided into two main categories: those related to the ability to inhibit pathogens or their virulence factors, and those that enhance host plant fitness and induce disease resistance. Here, the first type of strategy is reviewed, which is directly mediated by physical contact between biocontrol agents and pathogens or indirectly by exposure of a pathogen to antimicrobial or microbial-inhibiting compounds produced by the microbial antagonist. Mechanisms involving physical contact include mycophagy, destruction of pathogenic bacteria by bacteriophages or predation, and disease inhibition by topical applications of specific dsRNA. Indirect mechanisms that do not involve direct contact with a pathogen include the production of antimicrobial compounds, competition, and virulence factor suppression by quorum quenching. These topics are reviewed and discussed.

Autor

Allori, Enzo
Sanz, José María
Alconada, Teresa
Cavello, Ivana
Dib, Julián Rafael
Diaz, Mariana Andrea
Nally, Cristina
Sanzio Pimenta, Raphael
Fonseca Moreira da Silva, Juliana
Vargas, Marisol
Zaccari, Fernanda
Wisniewski, Michael

Fuente

Diversity v.15, 2023. -- e457

Editor

MDPI

Fecha

2023

Derechos

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Formato

PDF

Extent

29 p.

Idioma

Inglés

Tipo

Artículo

Identificador

10.3390/ d15030457

Document Item Type Metadata

Original Format

PDF
Fecha de agregación
July 24, 2023
Colección
Bibliografía Nacional Química
Tipo de Elemento
Document
Etiquetas
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Citación
Vero, Silvana, “Microbial Biopesticides: diversity, scope, and mechanisms involved in plant disease control,” RIQUIM - Repositorio Institucional de la Facultad de Química - UdelaR, accessed June 24, 2024, https://riquim.fq.edu.uy/items/show/6660.
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