Incorporation of nitrate nitrogen into amino acids during the anaerobic germination of rice |
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Authors: | R Reggiani F Bertini M Mattana |
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Institution: | (1) Istituto Biosintesi Vegetali, C.N.R., via Bassini 15, I-20133 Milano, Italy;(2) Istituto Chimica Macromolecole, C.N.R., via Bassini 15, I-20133 Milano, Italy |
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Abstract: | Summary Incorporation of15NO3-into amino acids was studied during the anaerobic germination of rice seeds. In treated coleoptiles, the label was incorporated into glutamine, glutamate, alanine,-aminobutyric acid (Gaba), arginine, aspartate and methionine. These findings are consistent with a primary incorporation of nitrate nitrogen into glutamine, glutamate and aspartate, and their further conversion to alanine, Gaba, arginine and methionine. |
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Keywords: | Amino acids Anoxia Coleoptile Nitrate nitrogen Rice |
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