Mapping QTLs for Fertility Restoration of Different Cytoplasmic Male Sterility Types in Rice Using Two Oryza sativa xO-rufipogon Backcross Inbred Line Populations
文献类型： 外文期刊
作者： Hu, Biao-lin 1 ; Xie, Jian-kun 1 ; Wan, Yong 2 ; Zhang, Jin-wei 1 ; Zhang, Fan-tao 1 ; Li, Xia 2 ;
作者机构： 1.Jiangxi Normal Univ, Coll Life Sci, Nanchang 330022, Jiangxi, Peoples R China
2.Jiangxi Acad Agr Sci, Rice Res Inst, Nanchang 330200, Jiangxi, Peoples R China
3.Nanchang Natl Sub Ctr Rice Improvement, Nanchang 330200, Jiangxi, Peoples R China
期刊名称：BIOMED RESEARCH INTERNATIONAL （ 影响因子：3.411； 五年影响因子：3.62 ）
ISSN： 2314-6133
年卷期： 2016 年
页码：
收录情况： SCI
摘要： Hybrid rice breeding using cytoplasmic male sterility/fertility restoration (CMS/Rf) systems plays an important role in ensuring global food security. Two backcross inbred line (BIL) populations derived from either Xieqingzao B (XB)//XB/Dongxiang wild rice (DWR) (XXD) or XB//DWR/XB (XDX) were used to detect quantitative trait loci (QTLs) for fertility restoration of Dwarf wild abortive-(DA-), Indonesia Paddy-(ID-), and DWR-type CMS in rice. Lines with ID-and DA-type CMS were testcrossed with both the XXD-and XDX-BILs, while the line with DWR-type CMS was testcrossed with the XDX-BILs only. A total of 16 QTLs for fertility restoration of CMS systems were identified, including three for DWR-type CMS, six for DA-type CMS, and seven for ID-type CMS. All of the additive alleles in the QTLs were derived from Oryza rufipogon. Eleven QTLs were clustered in five chromosomal regions, indicating that common Rf loci restored different CMS systems, and the favorable O. rufipogon alleles could be used to develop restorer lines for various CMS types by marker-assisted selection.
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