Jasmonic acid and abscisic acid play important roles in host-pathogen interaction between Fusarium graminearum and wheat during the early stages of fusarium head blight

被引：85
作者：
Qi, Peng-Fei [1 ,2 ]
Balcerzak, Margaret [2 ]
Rocheleau, Helene [2 ]
Leung, Winnie [2 ]
Wei, Yu-Ming [1 ]
Zheng, You-Liang [1 ]
Ouellet, Therese [2 ]
机构：
[1] Sichuan Agr Univ, Triticeae Res Inst, Chengdu 611130, Sichuan, Peoples R China
[2] Agr & Agri Food Canada, Ottawa Res & Dev Ctr, 960 Carling Ave, Ottawa, ON K1A 0C6, Canada
来源：
PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY | 2016年 / 93卷
关键词：
Triticum aestivum; Fusarium graminearum; Plant hormone; Hormone crosstalk; Gene expression during defense response; Virus-induced gene silencing; SYSTEMIC ACQUIRED-RESISTANCE; DEFENSE GENE-EXPRESSION; ALLENE OXIDE SYNTHASE; SALICYLIC-ACID; MASS-SPECTROMETRY; SIGNALING PATHWAY; DISEASE RESISTANCE; ARABIDOPSIS; BARLEY; GROWTH;
D O I：
10.1016/j.pmpp.2015.12.004
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The effect of phytohormones on the defense response of wheat against Fusarium graminearum infection was investigated. Infection of heads with F. graminearum induced accumulation of salicylic acid (SA), jasmonic acid (JA), abscisic acid (ABA), and indole acetic acid (IAA). Exogenous phytohormone treatments showed crosstalk between them and a complex effect on expression of the genes ATB2, ExpB6, LEA Td16, PR1, Pdf1.2, PR4. JA treatment reduced F. graminearum growth and fusarium head blight (FHB) symptoms while an increase in FHB was observed with ABA. Transient down-regulation of allene oxide synthase (AOS) supports a complex role for JA in wheat head. Crown Copyright (C) 2015 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：39 / 48
页数：10
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