Genomic Analysis Provides Insights Into the Plant Architecture Variations in in situ Conserved Chinese Wild Rice (Oryza rufipogon Griff.)
文献类型： 外文期刊
作者： Yang, Ziyi 1 ; Zhang, Yilin 3 ; Xing, Meng 1 ; Wang, Xiaowen 3 ; Xu, Zhijian 5 ; Huang, Jingfen 1 ; Wang, Yanyan 1 ; Li, Fei 1 ; Nie, Yamin 1 ; Ge, Jinyue 1 ; Lou, Danjing 1 ; Liu, Ziran 1 ; Han, Zhenyun 1 ; Liang, Yuntao 5 ; Zheng, Xiaoming 1 ; Yang, Qingwen 1 ; He, Hang 3 ; Qiao, Weihua 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Beijing, Peoples R China
2.Chinese Acad Agr Sci, Natl Nanfan Res Inst, Sanya, Peoples R China
3.Peking Univ, Sch Adv Agr Sci, State Key Lab Prot & Plant Gene Res, Beijing, Peoples R China
4.Peking Univ, Sch Life Sci, Beijing, Peoples R China
5.Guangxi Acad Agr Sci, Rice Res Inst, Nanning, Peoples R China
6.Peking Univ, Inst Adv Agr Sci, Weifang, Peoples R China
关键词： Chinese wild rice; in situ conservation; genomic analysis; plant architecture variation; OsDHD1
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）
ISSN： 1664-462X
年卷期： 2022 年 13 卷
页码：
收录情况： SCI
摘要： In situ conserved wild rice (Oryza rufipogon Griff.) is a promising source of alleles for improving rice production worldwide. In this study, we conducted a genomic analysis of an in situ conserved wild rice population (Guiping wild rice) growing at the center of wild rice genetic diversity in South China. Differences in the plant architecture in this population were investigated. An analysis using molecular markers revealed the substantial genetic diversity in this population, which was divided into subgroups according to the plant architecture. After resequencing representative individuals, the Guiping wild rice population was compared with other O. rufipogon and Oryza sativa populations. The results indicated that this in situ conserved wild rice population has a unique genetic structure, with genes that were introgressed from aromatic and O. sativa ssp. indica and japonica populations. The QTLs associated with plant architecture in this population were detected via a pair-wise comparison analysis of the sequencing data for multiple DNA pools. The results suggested that a heading date-related gene (DHD1) might be associated with variations in plant architecture and may have originated in cultivated rice. Our findings provide researchers with useful insights for future genomic analyses of in situ conserved wild rice populations.
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