Maize provitamin a carotenoids, current resources, and future metabolic engineering challenges.

Maize provitamin a carotenoids, current resources, and future metabolic engineering challenges.
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DOI:
10.3389/fpls.2012.00029
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发表时间:
2012
影响因子:
5.6
通讯作者:
Vallabhaneni R
Vallabhaneni R
中科院分区:
生物学2区
文献类型:
--
作者:
Wurtzel ET;Cuttriss A;Vallabhaneni R

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Vitamin A deficiency is a serious global health problem that can be alleviated by improved nutrition. Development of cereal crops with increased provitamin A carotenoids can provide a sustainable solution to eliminating vitamin A deficiency worldwide. Maize is a model for cereals and a major staple carbohydrate source. Here, we discuss maize carotenogenesis with regard to pathway regulation, available resources, and current knowledge for improving carotenoid content and levels of provitamin A carotenoids in edible maize endosperm. This knowledge will be applied to improve the nutritional composition of related Poaceae crops. We discuss opportunities and challenges for optimizing provitamin A carotenoid biofortification of cereal food crops.
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