Genome-wide identification and characterization of long non-coding RNAs related to grain yield in foxtail millet [Setaria italica (L.) P. Beauv.]
文献类型： 外文期刊
作者： Zhao, Zilong 1 ; Liu, Dan 2 ; Cui, Yanjiao 3 ; Li, Suying 3 ; Liang, Dan 2 ; Sun, Daizhen 1 ; Wang, Jianhe 2 ; Liu, Zheng 1 ;
作者机构： 1.Shanxi Agr Univ, Coll Agron, Taigu, Peoples R China
2.Tianjin Acad Agr Sci, Tianjin Crop Res Inst, Tianjin Key Lab Crop Genet & Breeding, Tianjin, Peoples R China
3.Tangshan Normal Univ, Dept Life Sci, Tangshan, Peoples R China
关键词： Foxtail millet; Long non-coding RNA; Yield regulation
期刊名称：BMC GENOMICS （ 影响因子：3.969； 五年影响因子：4.478 ）
ISSN： 1471-2164
年卷期： 2020 年 21 卷 1 期
页码：
收录情况： SCI
摘要： Background Long noncoding RNAs (lncRNAs) have been reported to play critical roles in diverse growth and development processes in plants. However, the systematic identification and characterization of lncRNAs in foxtail millet is nearly blank. Results In this study, we performed high-throughput sequencing of young spikelets from four foxtail millet varieties in different yield levels at booting stage. As a result, a total of 12,378 novel lncRNAs were identified, and 70 were commonly significantly differentially expressed in comparisons between high-yield varieties and conventional varieties, suggesting that they involved in yield formation and regulation in foxtail millet. Functional analysis revealed that among the 70 significantly differentially expressed lncRNAs, 67 could transcriptionally modulate target genes in cis and in trans. Moreover, 18 lncRNAs related to grain yield in foxtail millet were predicted to function as miRNA target mimics and regulate gene expression by competing for the interaction between miRNAs and their target mRNAs. Conclusion Our results will provide materials for elucidation of the molecular mechanisms of lncRNAs participate in yield regulation, and will contribute to high yield foxtail millet breeding.
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