Transcriptomic profile analysis of non-coding RNAs involved in Capsicum chinense Jacq. fruit ripening
文献类型： 外文期刊
作者： Yang, Shengbao 1 ; Yang, Tao 1 ; Tang, Yaping 1 ; Aisimutuola, Patiguli 1 ; Zhang, Guoru 1 ; Wang, Baike 1 ; Li, Ning; 1 ;
作者机构： 1.Xinjiang Acad Agr Sci, Inst Hort Crops, Urumqi 830091, Xinjiang, Peoples R China
关键词： Capsicum chinense Jacq.; Non-coding RNA; Transcriptome analysis; Fruit ripening
期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.463； 五年影响因子：3.672 ）
ISSN： 0304-4238
年卷期： 2020 年 264 卷
页码：
收录情况： SCI
摘要： Capsicum species are highly diverse plants, with over 200 species. Their fruits are important, both nutritionally and economically. Plant non-coding RNAs (ncRNAs) and microRNAs (miRNAs) significantly influence several plant biological processes, including regulating their gene expression. Specifically, in pepper plants, in excess of 300 conserved and novel miRNAs have previously been described. However, the functional role and influence of ncRNAs in pepper fruit ripening processes have not been sufficiently addressed. Herein, we used high-throughput sequencing to identify ncRNAs in Capsicum chinense Jacq. at three distinct fruit ripening stages (green ripening stage, the colour transition stage and the red ripening stage). 142 novel miRNAs, 9928 circRNAs and 20,563 lncRNAs were identified. DE analysis revealed that 4627 mRNA, 5918 lncRNA and 85circRNA were upregulated. Two miRNAs were associated with pigment biosynthetic process hence are linked to carotenoid synthesis in pepper fruits. Similarly, two known miRNAs; miR157d-3p and miR396h, that target beta-glucosidase - a vital enzyme in the fruit ripening process were identified. Further, circRNA that targets alanine-glyoxylate aminotransferase 2 (Capana00g005022); which contributes to pepper aroma formation was identified. In conclusion, CircRNAs, lncRNAs and mRNAs can perform as ceRNAs in gene regulation in plants. Overall, the findings from this study provide knowledge on ncRNAs functional and regulation dynamism during Capsicum chinense Jacq. pepper fruit ripening process.
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