Ethylene Promotes the Necrotic Lesion Formation and Basic PR Gene Expression in TMV-Infected Tobacco
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概要
- 論文の詳細を見る
Ethylene has been thought to be an important factor for the induction of defense responses against pathogen attack, but its function in these responses has not been well defined. Here we show the direct involvement of ethylene in the formation of necrotic lesions and in basic pathogenesis-related (PR) protein gene induction in tobacco. Increase in ethylene production as well as accumulation of 1-aminocyclopropane-1-carboxylic acid oxidase (ACO) gene transcript obviously preceded the lesion appearance in tobacco mosaic virus (TMV)-infected leaves in an N gene-dependent synchronous lesion formation system. Inhibitors of ethylene biosynthesis or action significantly suppressed both lesion formation and basic PR gene expression. Induction of these genes was enhanced in 1-aminocyclopropane-1-carboxylic acid (ACC)-treated leaves especially in ACO-overexpressing transgenic tobacco plants. Further, we found that ethylene production during hypersensitive reaction is restricted at the level of ACO activity.
- 日本植物生理学会の論文
著者
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OHTSUBO Norihiro
Department of Pharmacology, Iwate Medical University School of Medicine
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Seo S
Plant-microbe Interaction Research National Institute Of Agrobiological Sciences
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Mitsuhara I
Plant-microbe Interaction Research National Institute Of Agrobiological Sciences
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OHASHI Yuko
Department of Molecular Genetics, National Institute of Agrobiological Resources
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Mitsuhara Ichiro
Department of Molecular Genetics, National Institute of Agrobiological Resources
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SHIRASAWA SEO
Miyagi Prefectural Agriculture and Horticulture Research Center
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SEO Naomi
Miyagi Prefectural Agricultural Research Center
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SHIRASAWA Naomi
Miyagi Prefectural Agricultural Research Center
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KOGA Masaaki
Department of Chemistry, Faculty of Sciences, Kyushu University
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Ohtsubo Norihiro
Crest
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Ohtsubo Norihiro
Department Of Pharmacology Iwate Medical University School Of Medicine
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Seo Shigemi
Department of Molecular Genetics, National Institute of Agrobiological Resources
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Ohashi Yuko
Plant-microbe Interaction Research National Institute Of Agrobiological Sciences
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Koga M
Fukuoka Univ. Fukuoka Jpn
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Koga Masaaki
Department Of Chemistry Faculty Of Sciences Kyushu University
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Seo Shigemi
Department Of Plant Physiology National Institute Of Agrobiological Sciences
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Ohashi Y
Department Of Molecular Genetics National Institute Of Agrobiological Resources
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Mitsuhara I
National Inst. Of Agrobiological Sci. Ibaraki Jpn
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Ohashi Yuko
Department Of Molecular Biology National Institute Of Agrobiological Resources
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Ohashi Yuko
Plant Physiol. Dept. National Institute Of Agrobiological Sciences
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Koga Masaaki
Department of Biology, Faculty of Science, Kyushu University(Present address)Department of Biology, Faculty of Science, Fukuoka University
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Ohtsubo Norihiro
National Institue of Agrobiological Resources/JST・CREST
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