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Orphan Crops and their Wild Relatives in the Genomic Era
Molecular Plant ( IF 27.5 ) Pub Date : 2020-12-17 , DOI: 10.1016/j.molp.2020.12.013
Chu-Yu Ye 1 , Longjiang Fan 2
Affiliation  

More than half of the calories consumed by humans are provided by three major cereal crops (rice, maize, and wheat). Orphan crops are usually well adapted to low-input agricultural conditions, and they not only play vital roles in local areas but can also contribute to food and nutritional needs worldwide. Interestingly, many wild relatives of orphan crops are important weeds of major crops. Although orphan crops and their wild relatives have received little attentions from researchers for many years, genomic studies have recently been performed on these plants. Here, we provide an overview of genomic studies on orphan crops, with a focus on orphan cereals and their wild relatives. The genomes of at least 12 orphan cereals and/or their wild relatives have been sequenced. In addition to genomic benefits for orphan crop breeding, we discuss the potential ways for mutual utilization of genomic data from major crops, orphan crops, and their wild relatives (including weeds) and provide perspectives on genetic improvement of both orphan and major crops (including de novo domestication of orphan crops) in the coming genomic era.



中文翻译:

基因组时代的孤儿作物及其近​​缘种

人类消耗的卡路里一半以上来自三种主要的谷物作物(大米,玉米和小麦)。孤儿作物通常非常适合低投入的农业条件,它们不仅在当地起着至关重要的作用,而且还可以满足全世界的粮食和营养需求。有趣的是,许多孤儿的野生近缘种是主要农作物的重要杂草。尽管多年以来孤儿作物及其野生近缘种一直很少受到研究人员的关注,但最近已对这些植物进行了基因组研究。在这里,我们概述了孤儿作物的基因组研究,重点是孤儿谷物及其野生近缘种。已对至少12种孤儿谷物和/或其野生近缘植物的基因组进行了测序。除了孤儿作物育种的基因组优势外,即将到来的基因组时代从头开始对孤儿作物的驯化)。

更新日期:2021-01-04
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