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Origin of Amino Acids in Datura stramonium Seeds
Authors:LEWIS  O A M; NIEMAN  E; MUNZ  A
Institution:Department of Botany, University College Durban, South Africa
Abstract:14C isotope studies show that the seeds of Datura stramoniumL. can produce a number of amino acids (particularly alanine,glutamate, phenylalanine, and tyrosine) from a supply of sucroseand nitrate. These amino acids can be incorporated into theseed protein. The bulk of the amino acids incorporated into the seed proteinmust, however, be supplied by adult leaves in the proximityof the fruit, either as the amino acids themselves, or theirimmediate precursors. The major free-amino-acid products of Datura leaves are theamides asparagine and glutamine.
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