Academic Journal
Bin mapping‐based QTL analyses using three genetic populations derived from indica–japonica crosses uncover multiple grain shape heterosis‐related loci in rice
| العنوان: | Bin mapping‐based QTL analyses using three genetic populations derived from indica–japonica crosses uncover multiple grain shape heterosis‐related loci in rice |
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| المؤلفون: | Deng, Xiaoxiao, Kong, Weilong, Sun, Tong, Zhang, Chenhao, Zhong, Hua, Zhao, Gangqing, Liu, Xuhui, Qiang, Yalin, Li, Yangsheng |
| المساهمون: | National Key Research and Development Program of China |
| المصدر: | The Plant Genome ; volume 15, issue 1 ; ISSN 1940-3372 1940-3372 |
| بيانات النشر: | Wiley |
| سنة النشر: | 2021 |
| المجموعة: | Wiley Online Library (Open Access Articles via Crossref) |
| الوصف: | Exploitation of heterosis between indica and japonica has important significance in scientific research and agriculture application. However, the molecular mechanism of grain shape heterosis in indica – japonica hybrid remains unknown in rice ( Oryza sativa L.). To reveal the genetic mechanism of grain shape in indica‐ ‐ japonica hybrid, we constructed a high‐generation recombinant inbred line (RIL) population and two testcross hybrid populations derived from the cross of RILs and two cytoplasmic male sterile material (YTA and Z7A) and then performed a bin mapping‐based quantitative trait locus (QTL) mapping of multiple grain shape traits, such as grain length (GL), grain width (GW), and grain length‐to‐width ratio (GLWR). A total of sixteen QTLs and 30 heterosis‐related QTLs of grain shape traits were detected. We found that GS3 , GS5 , and OsPPKL2 were also correlated with grain shape both in RILs and two testcross hybrid populations. Homologous gene analysis emphasized two candidate grain shape‐associated genes ( LOC_Os06g14260 and LOC_Os04g51950 ). Our findings uncover multiple grain shape heterosis‐related loci and provides a new insight into heterosis mechanism of grain shape in rice. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| DOI: | 10.1002/tpg2.20171 |
| الاتاحة: | http://dx.doi.org/10.1002/tpg2.20171 https://onlinelibrary.wiley.com/doi/pdf/10.1002/tpg2.20171 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/tpg2.20171 |
| Rights: | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| رقم الانضمام: | edsbas.577C7CC9 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1002/tpg2.20171 |
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