A Point Mutation of Adh1 Gene is Involved in the Repression of Coleoptile Elongation under Submergence in Rice
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概要
- 論文の詳細を見る
In higher plants, alcoholic fermentation is required to supply NAD^+ to the glycolytic pathway, which is responsible for ATP synthesis under anaerobic conditions. Matsumura et al. (1995) previously isolated the reduced adh activity (rad) mutant in rice, in which elongation of the coleoptile is repressed under submergence. However, the rad gene had not been characterized. In the present study, we observed that, in the coleoptile, the Adh1 mRNA levels were comparable between the rad mutant and the wild type cultivar Kinmaze, while the amount of ADH1 protein was much lower in the rad mutant than in the wild type. Sequencing showed that G106 of the Adh1 gene of Kinmaze was replaced with A in the rad mutant, resulting in an E36K substitution in the deduced amino acid sequence. A genotyping experiment using F_2 plants from a cross of the rad mutant with the indica cultivar Kasalath indicated that the point mutation was involved in the repression of coleoptile elongation. Furthermore, since the reduced ADH activity appeared to cause an ATP deficiency, elongation of the coleoptile was repressed in the submerged rad mutant.
- 日本育種学会の論文
著者
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Tsutsumi Nobuhiro
Laboratory of Plant Molecular Genetics, Graduate School of Agricultural and Life Sciences, The Unive
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Nakazono Mikio
Laboratory of Plant Molecular Genetics, Graduate School of Agricultural and Life Sciences, The Unive
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Saika Hiroaki
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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SAIKA Hiroaki
Laboratory of Plant Molecular Genetics, Graduate School of Agricultural and Life Sciences, The Unive
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Matsumura Hideo
Iwate Biotechnology Research Center
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Shiozawa H
Department Of Agricultural Chemistry The University Of Tokyo
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Nakazono M
Laboratory Of Plant Molecular Genetics Graduate School Of Agricultural And Life Sciences The Univers
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Takano Tetsuo
Asian Natural Environmental Science Center, The University of Tokyo
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Takano Tetsuo
Asian Natural Environmental Science Center The University Of Tokyo
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Takano Tetsuo
Asian Natural Environment Science Center The University Of Tokyo
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Shiozawa H
Graduate School Of Biological Sciences Nara Inst. Of Sci. And Technol.
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Saika Hiroaki
Laboratory Of Plant Molecular Genetics Graduate School Of Agricultural And Life Sciences
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Tsutsumi N
Graduate School Of Agricultural And Life Sciences University Of Tokyo
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Tsutsumi Nobuhiro
Laboratory Of Plant Molecular Genetics Graduate School Of Agricultural And Life Sciences The Univers
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Tsutsumi Nobuhiro
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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