Genome-Wide Identification and Characterization of Long Non-Coding RNAs in Roots of Rice Seedlings under Nitrogen Deficiency
文献类型： 外文期刊
作者： Qiu, Dongfeng 1 ; Wu, Yan 2 ; Xia, Kuaifei 3 ; Zhang, Mingyong 3 ; Zhang, Zaijun 2 ; Tian, Zhihong 1 ;
作者机构： 1.Yangtze Univ, Engn Res Ctr Ecol & Agr Use Wetland, Hubei Key Lab Waterlogging Disaster & Agr Use Wetl, Coll Life Sci,Minist Educ, Jingzhou 434025, Peoples R China
2.Hubei Acad Agr Sci, Key Lab Crop Mol Breeding, Hubei Key Lab Food Crop Germplasm & Genet Improvem, Minist Agr & Rural Affairs,Inst Food Crops, Wuhan 430064, Peoples R China
3.Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, Key Lab South China Agr Plant Mol Anal & Genet Imp, South China Bot Garden, Guangzhou 510650, Peoples R China
关键词： long non-coding RNA; nitrogen; rice; ssRNA-Seq; transcriptome
期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）
ISSN：
年卷期： 2023 年 12 卷 23 期
页码：
收录情况： SCI
摘要： Long non-coding RNAs (lncRNAs) regulate gene expression in eukaryotic organisms. Research suggests that lncRNAs may be involved in the regulation of nitrogen use efficiency in plants. In this study, we identified 1628 lncRNAs based on the transcriptomic sequencing of rice roots under low-nitrogen (LN) treatment through the implementation of an integrated bioinformatics pipeline. After 4 h of LN treatment, 50 lncRNAs and 373 mRNAs were significantly upregulated, and 17 lncRNAs and 578 mRNAs were significantly downregulated. After 48 h LN treatment, 43 lncRNAs and 536 mRNAs were significantly upregulated, and 42 lncRNAs and 947 mRNAs were significantly downregulated. Moreover, the interaction network among the identified lncRNAs and mRNAs was investigated and one of the LN-induced lncRNAs (lncRNA24320.6) was further characterized. lncRNA24320.6 was demonstrated to positively regulate the expression of a flavonoid 3 '-hydroxylase 5 gene (OsF3 ' H5). The overexpression of lncRNA24320.6 was shown to improve nitrogen absorption and promote growth in rice seedlings under LN conditions. Our results provide valuable insights into the roles of lncRNAs in the rice response to nitrogen starvation.
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