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Genome-wide identification of long intergenic non-coding RNAs of responsive to powdery mildew stress in wheat (Triticum aestivum)

文献类型： 外文期刊

作者： Cao, Peina 1 ; Wang, Youning 2 ; Ma, Zhaolan 1 ; Xu, Xiao 1 ; Ma, Dongfang 1 ; Yang, Lijun 4 ;

作者机构： 1.Yangtze Univ, Minist Coll Agr, Engn Res Ctr Ecol & Agr Use Wetland, Jingzhou, Peoples R China

2.Hubei Engn Univ, Hubei Key Lab Qual Control Characterist Fruits & V, Xiaogan, Hubei, Peoples R China

3.Jiangsu Acad Agr Sci, Jiangsu Coastal Area Inst Agr Sci, Yancheng, Peoples R China

4.Hubei Acad Agr Sci, Key Lab Integrated Pest Management Crop Cent China, Minist Agr, Hubei Prov Key Lab Control Crop Dis Pest & Weeds,, Wuhan, Hubei, Peoples R China

关键词： wheat; powdery mildew; lincRNAs; expression pattern; differential expression

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）

ISSN： 1664-462X

年卷期： 2023 年 14 卷

页码：

收录情况： SCI

摘要： Wheat powdery mildew caused by Blumeria graminis f. sp. tritici is one of the most serious foliar diseases of wheat, causing grain yield and quality degradation by affecting plant photosynthesis. It is an effective method to improve the disease resistance of wheat plants by molecular breeding. With the continuous development of sequencing technology, long intergenic noncoding RNAs (lincRNAs) have been discovered in many eukaryotes and act as key regulators of many cellular processes. In this study, 12 sets of RNA-seq data from wheat leaves pre- and post-pathogen infection were analyzed and 2,266 candidate lincRNAs were identified. Consistent with previous findings, lincRNA has shorter length and fewer exons than mRNA. The results of differential expression analysis showed that 486 DE-lincRNAs were selected as lincRNAs that could respond to powdery mildew stress. Since lincRNAs may be functionally related to their adjacent target genes, the target genes of these lincRNAs were predicted, and the GO and KEGG functional annotations of the predicted target genes were performed. Integrating the functions of target genes and the biological processes in which they were involved uncovered 23 lincRNAs that may promote or inhibit the occurrence of wheat powdery mildew. Co-expression patterns of lincRNAs with their adjacent mRNAs showed that some lincRNAs showed significant correlation with the expression patterns of their potential target genes. These suggested an involvement of lincRNAs in pathogen stress response, which will provide a further understanding of the pathogenic mechanism of wheat powdery mildew.

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