Título

Physiological effects of the hydrophilic phytotoxins produced by Mycosphaerella fijiensis, the causal agent of black sigatoka in banana plants

Autor

LUIS MANUEL PEÑA RODRIGUEZ

Nivel de Acceso

Acceso Abierto

Licencia

http://creativecommons.org/licenses/by-nc-nd/4.0

Identificador alterno

doi: 10.1007/s10327-010-0288-4

Referencia de publicación

doi: 10.1007/s10327-010-0288-4

Referencia de datos

doi: 10.1007/s10327-010-0288-4

Materias

CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA - (CTI) CIENCIAS AGRARIAS - (CTI) OTRAS ESPECIALIDADES AGRARIAS - (CTI) OTRAS - (CTI)

Resumen o descripción

Although Mycosphaerella fijiensis, the causal agent of black sigatoka disease of banana, has been known to produce numerous lipophilic host-selective (HSTs) and nonhost selective phytotoxins (non-HSTs), only recently we have reported that the pathogen also produces hydrophilic phytotoxins. Here we examined the effect of light on the toxicity of the hydrophilic phytotoxins and estimated the electrolyte leakage and H2O2 and superoxide generation in detached banana leaves to study their mode of action at the cellular level. Nonhost plant species were also tested to determine whether the toxins are HSTs or non-HSTs. Our results suggest that the hydrophilic phytotoxins are non-HSTs, that their phytotoxicity is not light dependent, and that they may act at the plasma membrane by altering permeability through oxidative damage, by inducing ROS production as part of their mechanism of action.

Fecha de publicación

18 de febrero de 2011

Tipo de publicación

Artículo

Recurso de información

http://cicy.repositorioinstitucional.mx/jspui/handle/1003/222

Formato

application/pdf

Idioma

Inglés

Audiencia

Bibliotecarios

Estudiantes

Investigadores

Maestros

Repositorio Orígen

Repositorio Institucional CICY

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