Accumulation of γ-Aminobutyric Acid due to Ammonium in Various Cultured Plant Cells

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概要

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• The accumulation of γ-aminobutyric acid (GABA) resulting from the addition of ammonium was investigated with various cultured plant cells including carrot, corn, peanut, rice, rue, soybean, tobacco and wheat. All rice cell lines tested (10 japonica, 12 indica types and 3 Oryza species other than O. sativa) showed marked accumulation of GABA in the presence of ammonium in the medium. This accumulation was observed in not only seed-derived rice cells but also anther-derived rice cells. But cultured cells other than rice did not accumulate GABA. Alanine (in corn and wheat) and glutamine (in carrot, peanut, rue, soybean and tobacco) were the most abundant free amino acids in those cells in the presence of ammonium. These results indicate that the accumulation of GABA due to the addition of ammonium occurs specifically in rice cells and not in the cells of genera other than Oryza thus far investigated.

• 日本植物生理学会の論文

著者

• Kishinami Isao

  Plantech Research Institute

関連論文

• Effect of Auxins (2,4-Dichlorophenoxyacetic acid, Indole-3-Acetic Acid and Naphthaleneacetic Acid) on the Accumulation of γ-Aminobutyric Acid in Excised Rice Root Tips
• Accumulation of γ-Aminobutyric Acid due to Ammonium in Various Cultured Plant Cells

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