Ammonia Assimilation in Canavalia ensiformis Plants under Water and Salf Stress

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概要

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• Nitrogen fixation and ammonia assimilation in nodules have been thoroughly studied under stress conditions, but the behavior of enzymes involved in ammonia assimilation to organic compounds in plants of the Leguminosae family subjected to stress still remains to be conclusively established. We found that under stress conditions, C. ensiformis plants can switch from their usual pathway of assimilation to an alternative one depending on the nature of the stress and the tissue in which the process takes place. In roots, it switches from the glutamate dehydrogenase (GDH) pathway to the glutamine synthetase (GS)/glutamate synthase (GOGAT) cycle under water stress but not under salt stress. However, in leaves under salt stress, GDH activity is maintained but GS activity markedly decreases.

• 日本植物生理学会の論文

著者

• Loyola‐vargas V

  Unam Me´xico Mex

• Miranda-ham Ma.

  Departmento De Bioquimica Facultad De Quimica

• Loyola-Vargas Victor

  Departmento de Bioquimica, Facultad de Quimica

関連論文

• Ammonia Assimilation in Canavalia ensiformis Plants under Water and Salf Stress

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