Identification of qLG2, qLG8, and qWG2 as novel quantitative trait loci for grain shape and the allelic analysis in cultivated rice
文献类型：期刊论文
| 作者 | Wang, Gao-Jie; Wang, Ying; Ying, Jie-Zheng; Song, Xian-Jun
|
| 刊名 | PLANTA
 |
| 出版日期 | 2020 |
| 卷号 | 252期号:2 |
| 关键词 | Grain length Grain width Grain shape QTL mapping Rice plant |
| ISSN号 | 0032-0935 |
| DOI | 10.1007/s00425-020-03420-3 |
| 文献子类 | Article |
| 英文摘要 | Main conclusionThree novel QTLs for grain shape were genetically fine mapped, with two of which to a 250-kb target interval on rice chromosome 2 that contains fourteen candidate genes.AbstractGrain shape (grain length, width, and thickness) determines crop yield and grain quality. However, the trait is regulated by numerous naturally occurring quantitative trait loci (QTLs) and the underlying mechanism remains largely unknown. Here, we report the genetic mapping of three new QTLs, qLG2, qWG2, and qLG8 that each exerts a semi-dominant effect on grain shape in cultivated rice. These QTLs were validated using populations derived from the corresponding chromosome segment substitution lines (CSSLs), and were further delimited to small genomic intervals in progeny testing experiments. Especially, qLG2/qWG2 was placed into an about 250-kb genomic candidate region, and 14 predicted ORFs localized within the interval. We also evaluated the individual and pyramiding genetic effect(s) of these QTL(s) using the corresponding nearly isogenic lines, and found that they have additive effects on the traits. Collectively, these findings provided useful information as a tool to improve grain shape in crop breeding programs and established foundations for future QTL cloning. |
| 学科主题 | Plant Sciences |
| 出版地 | NEW YORK |
| 电子版国际标准刊号 | 1432-2048 |
| WOS关键词 | NATURAL VARIATION ; RARE ALLELE ; SIZE DIVERSITY ; MAJOR QTL ; YIELD ; WEIGHT ; WIDTH ; GENE ; CONTRIBUTES ; ENCODES |
| WOS研究方向 | Plant Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000553162500001 |
| 出版者 | SPRINGER |
| 资助机构 | National Key Research and Development Program of China [2016YFD0100402] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91735302, 91435113, 31471466] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/21654]  |
| 专题 | 中科院植物分子生理学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Innovat Acad Seed Design, Beijing, Peoples R China 2.China Natl Rice Res Inst, Chinese Ctr Rice Improvement, Hangzhou 310006, Peoples R China 3.China Natl Rice Res Inst, Natl Key Lab Rice Biol, Hangzhou 310006, Peoples R China 4.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, 20 Nanxincun, Beijing 100093, Peoples R China 5.Wang, Ying 6.[Wang, Gao-Jie 7.Grad Univ Chinese Acad Sci, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Gao-Jie,Wang, Ying,Ying, Jie-Zheng,et al. Identification of qLG2, qLG8, and qWG2 as novel quantitative trait loci for grain shape and the allelic analysis in cultivated rice[J]. PLANTA,2020,252(2). |
| APA | Wang, Gao-Jie,Wang, Ying,Ying, Jie-Zheng,&Song, Xian-Jun.(2020).Identification of qLG2, qLG8, and qWG2 as novel quantitative trait loci for grain shape and the allelic analysis in cultivated rice.PLANTA,252(2). |
| MLA | Wang, Gao-Jie,et al."Identification of qLG2, qLG8, and qWG2 as novel quantitative trait loci for grain shape and the allelic analysis in cultivated rice".PLANTA 252.2(2020). |
入库方式： OAI收割
来源：植物研究所
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