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- Title
The Inhibitory Effects of Various Amino Acids on the Growth of Barley Seedlings.
- Authors
MIFLIN, B. J.
- Abstract
The effect of fifteen amino acids, supplied singly, on the growth of isolated germinating barley embryos in the presence of nitrate has been studied. The L forms of lysine, arginine, tyrosine, proline, threonine, methionine, leucine, and valine at concentrations of either 1 or 2 mM have been found to inhibit fresh-weight accumulation. The inhibition by valine is relieved by further addition of eucine and that of leucine by the addition of both leucine and valine. These interrelations have been interpreted as suggesting that leucine and valine can inhibit acetolactate and acetohydrorybutyrate synthesis. The inhibition of tyrosine can be relieved by phenylalanine and that of lysine by ornithine or arginine. The possible reasons for these interrelationships are discussed.
- Publication
Journal of Experimental Botany, 1969, Vol 20, Issue 4, p810
- ISSN
0022-0957
- Publication type
Article