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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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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.
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相关实验视频

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ASTRO:自动空间转录全RNA输出

Dingyao Zhang1,2, Zhiyuan Chu2, Yiran Huo3

  • 1Department of Genetics, Yale School of Medicine, New Haven, CT 06520, United States.

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|January 6, 2026
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概括

我们开发了ASTRO,这是一个用于空间转录组学分析的计算管道. ASTRO 能够对甲固定式嵌入式 (FFPE) 样本进行全转录组分析,包括非编码RNA,改善RNA映射率.

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科学领域:

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

背景情况:

  • 嵌入式甲固定 (FFPE) 组织的空间转录分析具有挑战性.
  • 现有的方法很难在空间上捕获编码和非编码RNA.
  • 病态-DBiT技术需要专门的计算工具来处理FFPE样本.

研究的目的:

  • 开发一个用于空间转录学数据分析的自动化计算管道.
  • 为了使FFPE样本的全面全转录组分析.
  • 在空间环境中检测各种RNA物种,包括非编码RNA.

主要方法:

  • 开发了ASTRO,这是一个用于空间转录学数据处理的自动化管道.
  • 优化ASTRO用于FFPE样本的全转录组分析.
  • 整合了专门的过和优化的空间条形码调用,以提高退化RNA的映射速率.

主要成果:

  • ASTRO支持标准的空间转录组数据集,并针对FFPE样本进行了优化.
  • 该管道可以检测各种RNA物种,包括像miRNAs这样的非编码RNA.
  • 在ASTRO中的优化提高了映射速度,并允许在FFPE组织中对编码和非编码RNA进行可靠的空间量化.

结论:

  • ASTRO提供了一种专门的计算解决方案,用于FFPE样本的空间转录学.
  • 该管道有助于对编码和非编码RNA进行全面分析.
  • ASTRO增强了FFPE组织的实用性,用于空间转录学研究.