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Plant Biotechnol J. 2006 Sep;4(5):561-74.

Enhancement of essential amino acid contents in crops by genetic engineering and protein design.

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  • 1Plant Biology Group, Département de Chimie-Biologie, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada, G9A 5H7.


The importance and urgency of providing humans and animals with quality proteins are reflected in the growing scientific and industrial interest in augmenting the nutritive value of the world's protein sources. Such nutritive value is determined by the protein content in 'essential amino acids', those that cannot be synthesized de novo and that must be supplied from the diet. It is the object of this review to discuss recent advances in the genetic modification of crops that aim to provide enhanced quantities of essential amino acids.

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