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Gene mapping of nine agronomic traits and genome assembly by resequencing a foxtail millet RIL population

By Xuemei Ni, Qiuju Xia, Houbao Zhang, Shu Cheng, Hui Li, Guangyu Fan, Tao Guo, Ping Huang, Haitao Xiang, Qingchun Chen, Ning Li, Hongfeng Zou, Xuemei Cai, Xuejing Lei, Xiaoming Wang, Chengshu Zhou, Zhao Zhihai, Gengyun Zhang, Zhiwu Quan

Posted 15 Aug 2016
bioRxiv DOI: 10.1101/069625 (published DOI: 10.1093/gigascience/giw005)

Foxtail millet (Setaria italica) provides food and fodder in semi-arid regions and infertile land. Resequencing of 184 foxtail millet recombinant inbred lines (RILs) was carried out to aid essential research on foxtail millet improvement. Bin map were constructed based on the RILs recombination data. By anchoring some unseated scaffolds and filling gaps, we update two original millet reference genomes Zhanggu and Yugu to produce second editions. Gene mapping of nine agronomic traits were done based on this RIL population. The genome resequencing and QTL mapping provided important tools for foxtail millet research and breeding. Resequencing of the RILs could also provide an effective way for high quantity genome assembly and gene identification.

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