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Frontiers Media, Frontiers in Plant Science, (3)

DOI: 10.3389/fpls.2012.00029

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Maize Provitamin A Carotenoids, Current Resources, and Future Metabolic Engineering Challenges

Journal article published in 2012 by Eleanore T. Wurtzel ORCID, Abby Cuttriss, Ratnakar Vallabhaneni
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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.