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相关概念视频

RNA-seq03:21

RNA-seq

10.1K
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...
10.1K

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相关实验视频

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Detection of Rare Genomic Variants from Pooled Sequencing Using SPLINTER
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使用FLAIR2检测长读数中的单 haplotype 特定的转录变异.

Alison D Tang1, Eva Hrabeta-Robinson1, Roger Volden1

  • 1Department of Biomolecular Engineering, University of California, Santa Cruz.

bioRxiv : the preprint server for biology
|July 3, 2023
PubMed
概括

长读测序可以同时分析RNA变异和拼接,揭示ADAR.

科学领域:

  • 分子生物学分子生物学
  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.

背景情况:

  • RNA测序 (RNA-Seq) 揭示了与疾病相关的RNA处理异常.
  • 异常拼接和RNA单核酸变体 (SNVs) 影响转录稳定性,局部化和功能.
  • ADAR酶的上调与肺腺癌的侵袭性和拼接调节有关.

研究的目的:

  • 为了利用长时间读取技术,同时查询RNA变体和拼接.
  • 开发一个集成RNA变异调用与相关异型的计算工作流.
  • 通过分析氨酸-异形协会,研究ADAR在肺瘤发生中的作用.

主要方法:

  • 利用长读序列来获得全长的转录序列.
  • 开发了一个增强FLAIR的计算工作流程,以集成RNA变异调用与异型.
  • 从H1975肺腺癌细胞生成高精度的纳米孔数据,有或没有ADAR敲击.

主要成果:

  • 变体对单个分子水平上的拼接变化的阐明的cis效应.
  • 在肺腺癌细胞中确定了关键的因诺辛-异形关联.
  • 证明能够将特定的RNA变体 (因诺辛) 链接到转录异型.
关键词:
在A-to-I编辑中.阿达尔 (ADAR) 是一个叫做ADAR的词.一个闪耀的火焰长时间读取RNA-seqq.

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结论:

  • 长读测序为RNA变异和拼接模式关系提供了宝贵的见解.
  • 这种方法提高了对疾病背景下RNA编辑和拼接的理解.