IAA Metabolism in Embryogenic and Non-Embryogenic Carrot Cells : GROWTH AND DEVELTOPMENT : PROTEINS, ENZYMES AND METABOLISM
スポンサーリンク
概要
- 論文の詳細を見る
Carrot somatic embryos can readily be induced from embryogenic cells transferred from auxin-containing medium to auxin-free medium, but not from transferred non-embryogenic cells. It is well-known that IAA, a natural auxin, plays important roles in many physiological responses including somatic embryogenesis, but, there is no report of the IAA metabolism in embryogenic and non-embryogenic cells. Therefore, we examined IAA metabolism in embryogenic and non-embryogenic carrot cells. In this paper the IAA metabolism in embryogenic cells and non-embryogenic cells is described. The induction of IAAsp formation was clarified in both cells. On the other hand, in non-embryogenic cells, an unknown metabolite was detected and identified as oxindole-3-acetylaspartic acid (oxIAAsp). oxIAAsp formation may be induced to eliminate excess auxin. Furthermore, endogenous IAA contents in both cells were quantified and the relationship between somatic embryogenesis and IAA metabolism is discussed.
- 日本植物生理学会の論文
著者
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HARADA Hiroshi
Institute of Biological Sciences, University of Tsukuba
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SHIMOMURA Koichiro
Tsukuba Medicinal Plant Research Station, National Institute of Health Sciences
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Kamada H
Univ. Tsukuba Tsukuba Jpn
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KAMADA Hiroshi
Institute of Biological Sciences, University of Tsukuba
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Sasaki Kazuo
Institute of Biological Sciences, University of Tsukuba
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Higashi K
Gene Research Center University Of Tsukuba
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Sasaki K
Hokkaido Univ. Sapporo Jpn
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Shimomura Koichiro
Tsukuba Medicinal Plant Research Station National Institute Of Health Sciences
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Shimomura K
Tsukuba Medicinal Plant Research Station National Institute Of Health Sciences
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Harada H
Institute Of Biological Sciences University Of Tsukuba
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Sasaki K
Department Of Bioscience And Biotechnology Faculty Of Engineering Aomori University
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Kamada Hiroshi
Institute Of Biological Sciences Univ.
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Hoshino Kaori
Showa Women's University
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Shimomura Koichiro
Tsukuba Medicinal Plant Research Station National Institute Of Health Science
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Sasaki Kazuo
Institute Of Applied Biochemistry The University Of Tsukuba
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Kamada Hiroshi
Institute Of Biological Sciences Tsukuba University
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Harada Hiroshi
Institute Of Biolo Gical Sciences The University Of Tsukuba
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