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Title 

Metabolic engineering of carotenoids in transgenic sweetpotato

Authors 

Le KangSung-Chul ParkChang Yoon JiHo Soo KimHaeng Soon LeeSang Soo Kwak

Publisher 

Japanese Society of Breeding

Issue Date 

2017

Citation 

Breeding Science

Keywords 

Abiotic stressBiosynthesisCarotenoidsCatabolismOrange geneRNA interferenceSweetpotato

Abstract 

Sweetpotato [Ipomoea batatas (L.) Lam], which contains high levels of antioxidants such as ascorbate and carotenoids in its storage root, is one of the healthiest foods, as well as one of the best starch crops for growth on marginal lands. In plants, carotenoid pigments are involved in light harvesting for photosynthesis and are also essential for photo-protection against excess light. As dietary antioxidants in humans, these compounds benefit health by alleviating aging-related diseases. The storage root of sweetpotato is a good source of both carotenoids and carbohydrates for human consumption. Therefore, metabolic engineering of sweetpotato to increase the content of useful carotenoids represents an important agricultural goal. This effort has been facilitated by cloning of most of the carotenoid biosynthetic genes, as well as the Orange gene involved in carotenoid accumulation. In this review, we describe our current understanding of the regulation of biosynthesis, accumulation and catabolism of carotenoids in sweetpotato. A deeper understanding of these topics should contribute to development of new sweetpotato cultivars with higher levels of nutritional carotenoids and abiotic stress tolerance

ISSN 

1344-7610

Link 

http://dx.doi.org/10.1270/jsbbs.16118

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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