Modulation of the Host Defence System by Nematophagous Fungi and Chitosan
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Título: | Modulation of the Host Defence System by Nematophagous Fungi and Chitosan |
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Autor/es: | Berosich, Carla Mariel | Lopez-Moya, Federico | Lopez-Llorca, Luis Vicente |
Grupo/s de investigación o GITE: | Fitopatología |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada |
Palabras clave: | Nematophagous fungi | Pochonia chlamydosporia | Plant immune system | Biocontrol agents | Chitosan | Chitin deacetylases | Chitosanases | LysM effectors | Fungal host infection | Fungus–plant interactions |
Fecha de publicación: | 18-feb-2024 |
Editor: | MDPI |
Cita bibliográfica: | Encyclopedia. 2024, 4(1): 379-394. https://doi.org/10.3390/encyclopedia4010026 |
Resumen: | Nematophagous fungi (NFs), which are responsible for soil suppression of plant-parasitic nematodes, are multitrophic biocontrol agents. This raises the question of the transition between lifestyles (e.g., endophytism vs. egg parasitism). The NF Pochonia chlamydosporia colonises food crops and promotes their growth and yield. When colonising the plant, P. chlamydosporia induces the plant immunity (PI). However, it also evades the PI. To do this, both endophytic NF and pathogenic fungi (PF) secrete LysM effectors (LysM-effs). LysM effectors have been shown to have dverse functions in different organisms, including the protection of fungal chitin from plant chitinases. P. chlamydosporia is resistant to chitosan, which modulates gene expression in fungi and plants and has antimicrobial properties. P. chlamydosporia chitin deacetylases (CDA) and chitosanases (CSN) also help P. chlamydosporia evade plant immunity, resist exogenous chitosan, and are induced during fungal infection of nematode eggs. NF-chitosan formulations are new biomanagement tools against plant parasitic nematodes, fungal wilt pathogens and insect pests that currently threaten food security crops. Furthermore, omics techniques are useful tools to elucidate the role of CDAs, CSNs, LysM-effs, adhesion proteins and carbohydrate-active enzymes in pathogen–BCA–plant interactions, adhesión and infection to nematode eggs and their modulation by chitosan. |
Patrocinador/es: | This project has been funded by the PID-2020-119734RB-I00 project of the Spanish Ministry of Science and Innovation. |
URI: | http://hdl.handle.net/10045/140969 |
ISSN: | 2673-8392 |
DOI: | 10.3390/encyclopedia4010026 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/encyclopedia4010026 |
Aparece en las colecciones: | INV - Fitopatología - Artículos de Revistas |
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