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识别调节Brassica juncea种子特征的lncRNAs,并开发一个全面的种子奥米克数据库

Pinky Yadav¹, Prachi Priyam¹, Garima Yadav¹

¹Department of Biotechnology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, Haryana, India.

Functional & integrative genomics

|October 15, 2024

概括

研究人员确定了关键的长非编码RNAs (lncRNAs) 调节Brassica juncea种子的发育. 这些发现,以及新的BIJ数据库,为改善这一重要的油作物提供了有价值的工具.

科学领域:

植物分子生物学植物分子生物学
基因组学就是基因组学.
农作物科学农作物科学

背景情况:

青 (Brassica juncea) 是一种重要的油作物,具有重要的经济价值.
了解种子发育的遗传调节对于作物改进至关重要.

研究的目的:

研究长非编码RNAs (lncRNAs) 在Brassica juncea种子发育中的作用.
确定与关键种子特征和监管网络相关的候选 lncRNA.

主要方法:

来自两个对比的B. juncea基因型的转录组数据的计算分析.
使用k-媒介聚类和丰富分析识别和表征lncRNAs.
开发监管网络和一个全面的Brassica juncea数据库 (BIJ).

主要成果:

确定了1539个lncRNA,其中809个在种子发育过程中被差异性表达.
在种子大小,油含量和种子外颜色方面列出了25个强大的lncRNA候选者.
发现了4个lncRNA作为miRNA前体,并确定了28个miRNA-lncRNA-mRNA调节网络.

结论:

候选 lncRNA 和 BIJ 数据库为Brassica juncea作物改进提供了宝贵的资源.
这些发现支持在分子繁殖和基因组编辑策略中使用lncRNAs.
这项研究增强了我们对油作物发展中的lncRNAome的理解.

关键词:

布拉西卡树 (Brassica juncea) 是一个植物.布拉西卡数据库布拉西卡数据库长非编码RNAs (lncRNAs) 是一种长非编码RNA.油含量油含量油含量油含量种子外套的颜色种子外套的颜色种子的大小种子大小

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lncRNA - Long Non-coding RNAs

lncRNA - Long Non-coding RNAs

In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...

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