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相关概念视频

RNA-seq03:21

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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.
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相关实验视频

Updated: Jan 10, 2026

Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations
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TE-Seq:一个可转换的元素注释和RNA-Seq管道.

Maxfield M G Kelsey1, Radha L Kalekar2, John M Sedivy3

  • 1Center on the Biology of Aging, and Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, 225 Dyer Street, RI, 02903, Providence, USA. maxfield_kelsey@brown.edu.

Mobile DNA
|November 28, 2025
PubMed
概括

可转移元素 (TE) 在生物学中至关重要. TE-Seq管道简化了从测序数据中分析TE表达的过程,揭示了衰老的人类肺细胞中升调的元素.

关键词:
线路-1 线路-1 在线长时间间隔的核元素.长时间阅读DNA-Seq.多态位数的多态位数在RNA-Seqq.可逆转载的元素可以逆转载.可转移的要素是可以转移的.

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科学领域:

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

背景情况:

  • 可转移元素 (TE) 越来越多地被认为是它们在生物过程中的重要作用.
  • 在测序数据中分析TE是具有挑战性的,因为它们的重复性和需要专门的工具和注释.
  • 现有的方法往往需要复杂的数据策划,限制了一般的可访问性.

研究的目的:

  • 开发一种可访问的计算管道,用于分析可转换元素 (TE) 序列及其表达式.
  • 为检查RNA测序数据中的基因和TE提供端到端解决方案.
  • 促进研究"黑暗基因组"和TE的功能影响.

主要方法:

  • TE-Seq 管道是作为 Snakemake 工作流程开发的.
  • 它集成了专门为TE分析设计的计算方法.
  • 该管道支持RNA测序数据和可选的长读DNA测序,用于多态位置分析.

主要成果:

  • TE-Seq提供了在单个元素和分类层面上对 TE 表达的全面分析.
  • 对人类肺纤维细胞的演示分析显示,在衰老过程中,可逆转移的元素基团的上调调节.
  • 这包括识别导致衰老的非参考,完整和潜在活跃元素.

结论:

  • TE-Seq提高了从测序数据中转移的元素分析的可访问性.
  • 该管道提供了一种可靠的方法,用于在各种生物环境中研究TE表达.
  • 这些发现突出了特定的TE基团在细胞衰老中的作用.