STUDIES ON WHEAT PLANTS USING CARBON-14 COMPOUNDS: XIII. INCORPORATION OF α-AMINO ADIPIC ACID-6-C14IN WHEAT PLANTS
- 1 August 1960
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Biochemistry and Physiology
- Vol. 38 (8) , 903-908
- https://doi.org/10.1139/o60-112
Abstract
α-Amino adipic acid-6-C14was injected into the stems of wheat plants and the distribution of carbon-14 in the mature plants was studied. About 80% of carbon-14 injected was recovered in the plants, the kernels alone accounting for 56%.Glutamic acid, labelled predominantly in carbon-5, was the most radioactive compound isolated from wheat kernels, a result in accord with the concept that acetate-1-C14was a product of α-amino adipic acid-6-C14metabolism in the wheat plant.The specific activity of the lysine of the protein was low and hence the data provide no evidence that α-amino adipic acid is a precursor of lysine in wheat.Keywords
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