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相关概念视频

RNA-seq03:21

RNA-seq

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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...
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Sequencing of mRNA from Whole Blood using Nanopore Sequencing
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使用纳米孔直接RNA-seq数据与NanoNmm进行2'-O-甲基化映射的协议.

Yanqiang Li1, Jiayi Chen2, Yunxia Wang1

  • 1Basic and Translational Research Division, Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.

STAR protocols
|August 2, 2025
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概括

本研究介绍了一种生物信息学协议,用于使用纳米孔直接RNA测序来识别RNA中的2'-O-甲基化 (Nm). 该方法可以在酵母和人类细胞中绘制这一关键的RNA修饰的映射.

关键词:
生物信息学是一种生物信息学.基因组学就是基因组学.在RNA-seqqq.

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科学领域:

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

背景情况:

  • 2 -O-甲基化 (Nm) 是一种在核糖体RNA (rRNA) 和信使RNA (mRNA) 中发现的重要转录后修饰.
  • 准确识别Nm对于理解RNA功能和调节至关重要.
  • 检测RNA修饰的现有方法在范围或吞吐量上可能受到限制.

研究的目的:

  • 开发和介绍一个综合生物信息学协议,用于识别2 -O-甲基化 (Nm) 使用纳米孔直接RNA测序 (RNA-seq) 数据.
  • 为Nm检测所需的软件安装,数据收集和机器学习模型培训提供全面的指南.
  • 展示在酵母和人类细胞环境中的rRNA和mRNA中绘制Nm协议的应用.

主要方法:

  • 使用纳米孔直接RNA测序进行原生RNA分子分析.
  • 开发一个生物信息学管道来处理RNA-seq数据.
  • 实施在测序数据上训练的机器学习模型,以识别2-O-甲基化位点.
  • 将该协议应用于Saccharomyces cerevisiae (酵母菌) 和Homo sapiens (人类) 细胞样本.

主要成果:

  • 成功建立了用于2 -O-甲基化鉴定的生物信息学协议.
  • 证明了在rRNA和mRNA中映射Nm修饰的能力.
  • 在不同的模型生物体 (酵母和人类) 中验证该协议的有效性.

结论:

  • 提出的综合生物信息学协议提供了一种强大的方法,用于识别2 -O-甲基化使用纳米孔直接RNA测序.
  • 该协议有助于研究Nm在不同物种的基因表达和调节中的作用.
  • 这些发现为研究RNA修饰及其功能影响的研究人员提供了宝贵的工具.