对新生RNA测序方法的比较分析及其在研究共转录拼接动态中的应用
Min Liu1, Jiafu Zhu1, Huijuan Huang1
1Guangdong Provincial Key Laboratory of Plant Adaptation and Molecular Design, Guangzhou Key Laboratory of Crop Gene Editing, Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University, Guangzhou 510006, China.
The Plant cell
|September 14, 2023
概括
这项研究比较了新生的RNA测序方法,发现pNET-seq和GRO-seq最好检测活性RNA聚合酶II. CB RNA-seq为新兴RNA研究提供了一个具有成本效益的替代方案.
科学领域:
- 分子生物学分子生物学
- 基因组学就是基因组学.
- 植物科学 植物科学
背景情况:
- 高通量新生的RNA检测对于转录研究至关重要,但在技术上具有挑战性.
- 对于真核细胞,已开发出几种对新生RNA进行大规模并行测序的方法.
研究的目的:
- 系统地比较三类新生的RNA测序方法:GRO-seq,pNET-seq和CB RNA-seq在Arabidopsis中.
- 评估和建立改进的方法 (3'CB RNA-seq和ChrNET) 来改进新生的RNA分析.
- 为研究人员选择最合适的新生RNA测序方法提供指南.
主要方法:
- 对GRO-seq (核运行RNAs),pNET-seq (RNA聚合酶II相关RNAs) 和CB RNA-seq (染色体结合RNAs) 的比较分析.
- 开发3'CBRNA-seq用于测序染色质结合RNA的3'末端.
- 将pNET-seq修改为ChrNET,使用染色素进行RNA免疫沉.
主要成果:
- pNET-seq和GRO-seq在检测活性RNA聚合酶II方面表现出最高的疗效.
- CB RNA-seq与pNET-seq和GRO-seq有很高的相关性,这是一个具有成本效益的选择.
- 与pNET-seq.相比,ChrNET为新生的RNA捕获提供了更高的特异性,并降低了测序成本.
- 3'CB RNA-seq被证明对转录合拼接非常敏感.
- 识别了1,404个新的转录,4,482个没有注释的拼接事件和60个潜在的递归拼接事件.
结论:
- 该研究提供了新生和染色体RNA测序方法的全面比较,详细介绍了它们的优缺点.
- 这些发现对于研究人员选择新生RNA测序技术的研究人员来说是一个宝贵的资源.
- 这些方法在Arabidopsis中发现了许多新的转录和拼接事件.
相关概念视频
01:36Pre-mRNA Processing: RNA Splicing
5.3K
5.3K
02:18Alternative RNA Splicing
21.3K
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
21.3K
02:41Chromatin Structure and RNA Splicing
2.7K
2.7K
03:21RNA-seq
10.0K
RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases.
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
10.0K
02:24Ribosome Profiling
3.6K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
3.6K
02:41Chromatin Structure Regulates pre-mRNA Processing
7.0K
In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
The chromatin structure, especially...
7.0K