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Cereal Chem 54:565 - 571.  |  VIEW ARTICLE
Changes in Lysine and Tryptophan Content During Germination of Normal and Mutant Maize Seed.

R. A. Jones and C. Y. Tsai. Copyright 1977 by the American Association of Cereal Chemists, Inc. 

During germination, lysine and tryptophan contents increase in the embryo of normal maize such that by 4 days' germination, the total levels of these amino acids are comparable to those found in mature seed of the 'high-lysine' mutants, opaque-2 and floury-2. Germination of the mutants opaque-2, floury-2, or the double gene combination opaque-2 floury-2, on the other hand, does not result in a comparable enhancement in total levels of lysine and tryptophan. The results are discussed in relation to the phenotypic changes elicited by these mutants.

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