文献类型： 外文期刊
作者： Yu, Hong 1 ; Lin, Tao 1 ; Meng, Xiangbing 1 ; Du, Huilong 1 ; Zhang, Jingkun 1 ; Liu, Guifu 1 ; Chen, Mingjiang 1 ; Jing, 1 ;
作者机构： 1.Chinese Acad Sci, Innovat Acad Seed Design, State Key Lab Plant Genom, Inst Genet & Dev Biol, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Innovat Acad Seed Design, Natl Ctr Plant Gene Res, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Peoples R China
5.South China Agr Univ, State Key Lab Conservat & Utilizat Subtrop Agrobi, Guangzhou 510642, Peoples R China
6.Guangdong Acad Agr Sci, Rice Res Inst, Natl Field Genebank Wild Rice Guangzhou, Guangzhou 510640, Peoples R China
7.Guangxi Acad Agr Sci, Rice Res Inst, Nanning 530007, Peoples R China
8.Chinese Acad Sci, Innovat Acad Seed Design, Inst Genet & Dev Biol, State Key Lab Plant Cell & Chromosome Engn, Beijing 100101, Peoples R China
9.Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Beijing 100081, Peoples R China
10.Chinese Acad Agr Sci, China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310006, Peoples R China
11.Chinese Acad Sci, Natl Ctr Plant Gene Res, Shanghai Inst Biol Sci, Shanghai Inst Plant Physiol & Ecol, Shanghai 200233, Peoples R China
12.Chinese Acad Sci, CAS Ctr Excellence Mol Plant Sci, Shanghai 200233, Peoples R China
13.King Abdullah Univ Sci & Technol KAUST, Ctr Desert Agr, Biol & Environm Sci & Engn Div BESE, Thuwal 239556900, Saudi Arabia
14.Scuola Super Sant Anna, Inst Life Sci, I-56127 Pisa, Italy
15.Univ Arizona, Sch Plant Sci, Arizona Genom Inst, Tucson, AZ 85721 USA
16.China Agr Univ, Coll Hort, Beijing 100193, Peoples R China
期刊名称：CELL （ 影响因子：38.637； 五年影响因子：38.62 ）
ISSN： 0092-8674
年卷期： 2021 年 184 卷 5 期
页码：
收录情况： SCI
摘要： Cultivated rice varieties are all diploid, and polyploidization of rice has long been desired because of its advantages in genome buffering, vigorousness, and environmental robustness. However, a workable route remains elusive. Here, we describe a practical strategy, namely de novo domestication of wild allotetraploid rice. By screening allotetraploid wild rice inventory, we identified one genotype of Oryza alta (CCDD), polyploid rice 1 (PPR1), and established two important resources for its de novo domestication: (1) an efficient tissue culture, transformation, and genome editing system and (2) a high-quality genome assembly discriminated into two subgenomes of 12 chromosomes apiece. With these resources, we show that six agronomically important traits could be rapidly improved by editing O. alta homologs of the genes controlling these traits in diploid rice. Our results demonstrate the possibility that de novo domesticated allotetraploid rice can be developed into a new staple cereal to strengthen world food security.
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