Developmental Regulation of Genes for Microsome and Plastid ω-3 Fatty Acid Desaturases in Wheat (Triticum aestivum L.)
スポンサーリンク
概要
- 論文の詳細を見る
ω-3 fatty acid desaturase is responsible for the production of α-linolenic acid, which is a major fatty acid constituent of membrane lipids in higher plants. In this study, the developmental regulation of the expression of two genes, TaFAD3 and TaFAD7, which respectively encode the microsome and plastid ω-3 fatty acid desaturases in wheat, was analyzed by in situ hybridization. The transcript of TaFAD3 was abundant in the apical meristems of both shoot and root, the leaf primordium, the leaf basal intercalary meristem, and the root vascular tissues. The level of TaFAD3 mRNA was also high in embryos developing after flowering. In mature embryos, however, it was low, whereas in germinating embryos it was once again high. These results suggest that the TaFAD3 mRNA is accumulated at a high level in cells that have an ability to proliferate. In contrast, the TaFAD7 mRNA level was very low in the shoot apical meristem, leaf primordium and leaf basal intercalary meristem, but a large accumulation of TaFAD7 mRNA was found in green tissues, suggesting that the accumulation of this mRNA is associated with chloroplast development. Although the spatial distribution patterns of TaFAD3 and TaFAD7 mRNAs clearly differed, the enhanced accumulation of the TaFAD3 and TaFAD7 mRNAs was linked with the active membrane biogenesis required for cell division and with the development of the thylakoid system in plastids, respectively.
- 日本植物生理学会の論文
著者
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KODAMA Hiroaki
Department of Chemistry, Faculty of Science and Engineering, Saga University
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Kodama H
Department Of Chemistry Faculty Of Science And Engineering Saga University
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Kodama Hiroaki
Dept. Biore. Chem. Fac. Horti. Chiba Univ.
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KUSUMI Kensuke
Department of Biology, Faculty of Science, Kyushu University
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IBA Koh
Department of Biology, Faculty of Science, Kyushu University
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Iba Koh
Dept. Biol. Grad. Sch. Sci. Kyushu Univ.
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Iba Koh
Department Of Biology Faculty Of Science Kyushu University
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Kusumi K
Department Of Biology Faculty Of Science Kyushu University
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Kusumi Kensuke
Department Of Biology Kyushu University
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Kusumi Kensuke
Department Of Biology Faculty Of Science Kyushu University
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Kusumi Kensuke
Minase Research Institute Ono Pharmaceutical Co. Ltd.
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Kusumi Kensuke
Department Of Biology Faculty Of Sciences Kyushu University
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HORIGUCHI Gorou
Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies
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Kodama Hiroaki
東京理科大学 薬学部分子病態学
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HORIGUCHI Gorou
Dept. Biol., Grad. Sch. Sci., Kyushu Univ.
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KAWAKAMI Naoto
Lab. Plant Sci. Tech., Fac. Agr., Meiji Univ.
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Kawakami Naoto
Laboratory of plant Science and Technology, Faculty of Agriculture, Meiji University
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Horiguchi Gorou
Dept. Biol. Grad. Sch. Sci. Kyushu Univ.
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Horiguchi Gorou
Department Of Basic Biology School Of Life Science The Graduate University For Advanced Studies
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Kodama Hiroaki
Department Of Anatomy Ohu University School Of Dentistry
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Kawakami N
Lab. Plant Sci. Tech. Fac. Agr. Meiji Univ.
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Kawakami Naoto
Laboratory Of Plant Molecular Physiology Department Of Life Sciences School Of Agriculture Meiji Uni
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