Co-Regulation of Long Non-Coding RNAs with Allele-Specific Genes in Wheat Responding to Powdery Mildew Infection
文献类型： 外文期刊
作者： Hu, Weiguo 1 ; Wang, Guanghao 1 ; Wang, Siwen 1 ; Nie, Xiaojun 1 ; Wang, Changyou 1 ; Wang, Yajuan 1 ; Zhang, Hong 1 ; Ji 1 ;
作者机构： 1.Northwest A&F Univ, Coll Agron, State Key Lab Crop Stress Biol Arid Areas, Yangling 712100, Shaanxi, Peoples R China
2.Henan Acad Agr Sci, Inst Wheat, Zhengzhou 450002, Peoples R China
3.Minist Agr, Shaanxi Res Stn Crop Gene Resources & Germplasm E, Yangling 712100, Shaanxi, Peoples R China
4.Northwest A&F Univ, China Australia Joint Res Ctr Abiot & Biot Stress, Yangling 712100, Shaanxi, Peoples R China
关键词： wheat; powdery mildew; lncRNAs; allele-specific functional genes; miRNA; co-regulation
期刊名称：AGRONOMY-BASEL （ 影响因子：3.417； 五年影响因子：3.64 ）
ISSN：
年卷期： 2020 年 10 卷 6 期
页码：
收录情况： SCI
摘要： Powdery mildew (caused byBlumeria graminisf. sp.tritici;Bgt) is an important fungal disease of wheat (Triticum aestivum) worldwide, and results in significant crop damage in epidemic years. Understanding resistance mechanisms could have undoubted benefits in controlling disease and minimizing crop losses. The recent explosion in genomic knowledge and the discovery of noncoding RNAs have led to the idea that long ncRNAs (lncRNAs) might be key regulators of protein-coding gene expression. However, in-depth functional analyses of lncRNAs in wheat remain limited. Here, we evaluated the possible role of lncRNAs in regulating functional genes in wheat responding toBgtpathogen, using genome-wide transcriptome data and quantitative RT-PCR. Our results demonstrated that both long intron ncRNAs (linncRNA) and long intergenic ncRNAs (lincRNAs) play roles in regulating allele-specific genes, including transcription factors, both positively and negatively. The correlation of expression between lincRNAs and flanking functional genes increased as the spacing distance decreased. Co-expression of microRNAs, their target lncRNA and target functional genes showed that lincRNA interacted competitively with functional genes via miRNA regulation. These results will be beneficial for further dissecting molecular mechanisms of lncRNAs functions at the transcriptional and post-transcriptional levels in wheat.
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