数字农科院2.0

Genome-Wide Identification and Characterization of MicroRNAs and Target Genes in Lonicera japonica

文献类型： 外文期刊

作者： Xia, Heng;Zhang, Libin;Wu, Gang;Fu, Chunhua;Zhou, Yanhong;Yu, Longjiang;Li, Maoteng;Long, Yan;Li, Maoteng;Xiang, Jun;Gan, Jianping

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期刊名称： PLOS ONE

ISSN： 1932-6203

年卷期： 2016 年 11 卷 10 期

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收录情况： SCI

摘要： MiRNAs function in post-transcriptional regulation of gene expression and play very important roles in plant development. Lonicera japonica is one of the important medicinal plants in China. However, few studies on the discovery of conserved and novel miRNAs from L. japonica were reported. In this study, we employed deep sequencing technology to identify miRNAs in leaf and flower tissues of L. japonica. A total of 22.97 million clean reads from flower and leaf tissues were obtained, which generated 146 conserved miRNAs distributed in 20 families and 110 novel miRNAs. Accordingly, 72 differentially expressed miRNAs (P <= 0.001) between leaves and flowers and their potential target genes were identified and validated. The qRT-PCR validation showed that majority of the differentially expressed miRNAs showed significant tissue-specific expression in L. japonica. Furthermore, the miRNA-mRNA and mRNA-mRNA regulatory networks were constructed using Cytoscape software. Taken together, this study identified a large number of miRNAs and target genes in L. japonica, which not only provides the first global miRNA expression profiles, but also sheds light on functional genomics research on L. japonica in the future.

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