Biosynthesis and Metabolism of Indol-3yl-acetic Acid: I. THE NATIVE INDOLES OF BARLEY AND TOMATO SHOOTS |
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Authors: | SCHNEIDER, ELNORA A. GIBSON, R. A. WIGHTMAN, F. |
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Abstract: | Barley and tomato shoots were examined quantitatively for naturally-occurringindole compounds. Both tissues were found to contain detectablelevels of indol-3yl-acetic acid (IAA), indol-3yl-aldehyde, tryptamine,5-hydroxytryptamine and malonyltryptophan. Tomato shoots alsocontained small amounts of indol-3yl-lactic acid and tryptophol.These two compounds were absent in barley, but this tissue containedsignificant quantities of 3 -aminomethylindole, 3-methylaminomethylindole,gramine, N-methyltryptamine and 5-hydroxy-N-methyltryptamine.The possible importance of these compounds in the biosynthesisof IAA, or in the formation of alkaloids, is discussed. |
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