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Status of research on the sweetpotato biotechnology and prospects of the molecular breeding on marginal lands
J Plant Biotechnol 2018;45:196-206
Published online September 30, 2018
© 2018 The Korean Society for Plant Biotechnology.

Ho Soo Kim, Ung-Han Yoon. Chan-Ju Lee, So-Eun Kim, Chang Yoon Ji, Sang-Soo Kwak

Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
Genomics Division, National Academy of Agricultural Science, Jeonju 54875, Korea
Research & Development Center, Korea Scientific Technique Industry Co., Ltd., 67, Saneop-ro 92, Gwonseon-gu, Suwon-si 16643, Korea
Correspondence to: e-mail: sskwak@kribb.re.kr
These authors contributed equally to this work.
Received September 17, 2018; Revised September 20, 2018; Accepted September 20, 2018.
cc This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Dramatic increase in global population accompanied by rapid industrialization in developing countries has led to serious environmental, food, energy, and health problems. The Food and Agriculture Organization of the United Nations has estimated world population will increase to 9.7 billion by 2050 and require approximately 1.7 times more food, and more than 3.5 times energy than that of today. Particularly, sweetpotato is easy to cultivate in unfavorable conditions such as heat, drought, high salt, and marginal lands. In this respect, sweetpotato is an industrially valuable starch crop. To replace crops associated with these food and energy problems, it is necessary to develop new crops with improved nutrients and productivity, that can be grown on marginal lands, including desertification areas using plant biotechnology. For this purpose, exploring useful genes and developing genetically modified crops are essential strategies. Currently, sweetpotato [Ipomoea batatas (L.) Lam.] have been re-evaluated as the best health food and industrial crop that produces starch and low molecular weight antioxidants, such as vitamin A, vitamin E, anthocyanins and carotenoids. This review will focus on the current status of research on sweetpotato biotechnology on omics including genome sequencing, transcriptome, proteomics and molecular breeding. In addition, prospects on molecular breeding of sweetpotato on marginal lands for sustainable development were described.
Keywords : Sweetpotato, Omics, Molecular breeding, Marginal land, Food security, Biomaterials


September 2018, 45 (3)
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