Identification of putative defense-related genes in Japanese pear against Alternaria alternata infection using suppression subtractive hybridization and expression analysis

被引：12

作者：

Egusa, Mayumi ^{[2
]}

Ochi, Haruna ^{[1
]}

Tsuge, Takashi ^{[3
]}

Otani, Hiroshi ^{[1
]}

Kodama, Motoichiro ^{[1
]}

机构：

[1] Tottori Univ, Plant Pathol Lab, Fac Agr, Tottori 6808553, Japan

[2] Tottori Univ, United Grad Sch Agr Sci, Tottori 6808553, Japan

[3] Nagoya Univ, Grad Sch Bioagr Sci, Nagoya, Aichi 4648601, Japan

来源：

JOURNAL OF GENERAL PLANT PATHOLOGY | 2009年 / 75卷 / 02期

关键词：

Alternaria alternata; Induced resistance; Host-specific toxin; Japanese pear; Pyrus pyrifolia; Suppression subtractive hybridization; AK-TOXIN; RESISTANCE; PATHOGENS; PATHOTYPE; BIOSYNTHESIS; ARABIDOPSIS; JASMONATE; BACTERIAL; PLANTS;

D O I：

10.1007/s10327-009-0150-8

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The Japanese pear pathotype of Alternaria alternata, a toxin-dependent necrotrophic pathogen, causes black spot of Japanese pear by producing the host-specific AK-toxin. Pre-inoculation with nonpathogenic A. alternata or pretreatment with an elicitor prepared from A. alternata reduced disease symptoms caused by the pathogen. Salicylic acid- and jasmonic acid-dependent signaling pathways are not involved in the induced resistance to infection by the pathogen. The expression of multiple defense-related genes in Japanese pear leaves inoculated with nonpathogenic A. alternata was examined using suppression subtractive hybridization.

引用

页码：119 / 124

页数：6

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