Systemic Resistance in Arabidopsis Conferred by the Mycorrhizal Fungus Piriformospora indica Requires Jasmonic Acid Signaling and the Cytoplasmic Function of NPR1

被引：187

作者：

Stein, Elke ^{[1
]}

Molitor, Alexandra ^{[1
]}

Kogel, Karl-Heinz ^{[1
]}

Waller, Frank ^{[1
]}

机构：

[1] Univ Giessen, Res Ctr Biosyst Land Use & Nutr, Inst Phytopathol & Appl Zool, D-35392 Giessen, Germany

来源：

PLANT AND CELL PHYSIOLOGY | 2008年 / 49卷 / 11期

关键词：

D O I：

10.1093/pcp/pcn147

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

We analyzed the requirement of specific defense pathways for powdery mildew (Golovinomyces orontii) resistance induced by the basidiomycete Piriformospora indica in Arabidopsis. Piriformospora indica root colonization reduced G. orontii conidia in wild-type (Col-0), npr1-3 (nonexpressor of PR genes 1-3) and NahG plants, but not in the npr1-1 null mutant. Therefore, cytoplasmic but not nuclear localization of NPR1 is required for P. indica-induced resistance. Two jasmonate signaling mutants were non-responsive to P. indica, and jasmonic acid-responsive vegetative storage protein expression was primed and thus elevated in response to powdery mildew, suggesting that P. indica confers resistance reminiscent of induced systemic resistance (ISR).

引用

页码：1747 / 1751

页数：5

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