Abstract
Humans and animals are unable to synthesize essential amino acids such as branch chain amino acids methionine (Met), lysine (Lys) and tryptophan (Trp). Therefore, these amino acids need to be supplied through the diets. Several essential amino acids are deficient or completely lacking among crops used for human food and animal feed. For example, soybean is deficient in Met; Lys and Trp are lacking in maize. In this mini review, we will first summarize the roles of essential amino acids in animal nutrition. Next, we will address the question: “What are the amino acids deficient in various plants and their biosynthesis pathways?” And: “What approaches are being used to improve the availability of essential amino acids in plants?” The potential targets for metabolic engineering will also be discussed, including what has already been done and what remains to be tested.
Keywords: Protein nutritional quality, Essential amino acids, Lysine, Methionine, Tryptophan, Genetic engineering.
Current Genomics
Title:Improving Nutritional Quality of Plant Proteins Through Genetic Engineering
Volume: 17 Issue: 3
Author(s): Dung Tien Lea, Ha Duc Chua and Ngoc Quynh Lea
Affiliation:
Keywords: Protein nutritional quality, Essential amino acids, Lysine, Methionine, Tryptophan, Genetic engineering.
Abstract: Humans and animals are unable to synthesize essential amino acids such as branch chain amino acids methionine (Met), lysine (Lys) and tryptophan (Trp). Therefore, these amino acids need to be supplied through the diets. Several essential amino acids are deficient or completely lacking among crops used for human food and animal feed. For example, soybean is deficient in Met; Lys and Trp are lacking in maize. In this mini review, we will first summarize the roles of essential amino acids in animal nutrition. Next, we will address the question: “What are the amino acids deficient in various plants and their biosynthesis pathways?” And: “What approaches are being used to improve the availability of essential amino acids in plants?” The potential targets for metabolic engineering will also be discussed, including what has already been done and what remains to be tested.
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Cite this article as:
Tien Lea Dung, Duc Chua Ha and Quynh Lea Ngoc, Improving Nutritional Quality of Plant Proteins Through Genetic Engineering, Current Genomics 2016; 17 (3) . https://dx.doi.org/10.2174/1389202917666160202215934
DOI https://dx.doi.org/10.2174/1389202917666160202215934 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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