期刊
MOLECULAR PLANT
卷 14, 期 1, 页码 27-39出版社
CELL PRESS
DOI: 10.1016/j.molp.2020.12.013
关键词
orphan crop; wild relative; weed; genome; crop diversity
资金
- National Natural Science Foundation of China [31971865]
- Zhejiang Natural Science Foundation [LZ17C130001]
- Innovation Method Project of China [2018IM0301002]
The article provides an overview of genomic studies on orphan crops, focusing on orphan cereals and their wild relatives. Genomes of at least 12 orphan cereals and/or their wild relatives have been sequenced, with potential for genetic improvement in both orphan and major crops in the genomic era.
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.
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