Mycorrhiza induced resistance in potato plantlets challenged by Phytophthora infestans

被引：62

作者：

Gallou, Adrien ^{[1
]}

Lucero Mosquera, Hernan Patricio ^{[2
]}

Cranenbrouck, Sylvie ^{[1
]}

Pablo Suarez, Juan ^{[2
]}

Declerck, Stephane

机构：

[1] Catholic Univ Louvain, Earth & Life Inst, Univ Catholic Louvain MUCL2, B-1348 Louvain, Belgium

[2] Univ Tecn Particular Loja, Ctr Biol Celular & Mol, Loja, Ecuador

来源：

PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY | 2011年 / 76卷 / 01期

关键词：

Arbuscular mycorrhiza fungus; Defence genes; Systemic resistance; In vitro system; Phytophthora infestans; Solanum tuberosum; LATE BLIGHT; DISEASE RESISTANCE; SYSTEMIC RESISTANCE; SOLANUM-TUBEROSUM; DEFENSE RESPONSES; GENE-EXPRESSION; TOMATO; COLONIZATION; INFECTION; FUNGI;

D O I：

10.1016/j.pmpp.2011.06.005

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Biological control of soil-borne pathogens by arbuscular mycorrhizal (AM) fungi has been repeatedly demonstrated. However, their role in the control of above-ground hemibiotrophic pathogens is less conclusive. Here, we investigated in vitro the impact of an AM fungus on Phytophthora infestans in potato plants. The leaf infection index was decreased in mycorrhizal potato plants. Real-Time Quantitative PCR revealed the induction of two pathogenesis related genes (PR1 and PR2) in the leaves of mycorrhizal plants shortly after infection with P. infestans. These results suggested a systemic resistance in mycorrhizal plants, related to the priming of the two PR genes in potato. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：20 / 26

页数：7

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