Isoxazolin-5-ones and Amino Acids in Root Exudates of Pea and Sweet Pea Seedlings
- 1 November 1982
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 70 (5) , 1283-1289
- https://doi.org/10.1104/pp.70.5.1283
Abstract
Seeds of P. sativum L. cv. Finale and Lathyrus odoratus L. cv. Spencer were germinated aseptically in moistened sand in the dark. At several stages, the amino acid composition of the exudate and of the corresponding roots was analyzed. A number of common amino acids, including homoserine, were exuded by the growing seedling root in an early stage and were partly reabsorbed later. A number of uncommon amino acids, including several isoxazolin-5-one derivatives, uracil alanines, L-.gamma.-glutamyl-D-alanine and .alpha.-aminoadipic acid were exuded at different rates.Keywords
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