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相关概念视频

RNA-seq03:21

RNA-seq

11.8K
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...
11.8K
RNA Splicing01:32

RNA Splicing

60.4K
Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
60.4K
RNA Polymerase II Accessory Proteins02:36

RNA Polymerase II Accessory Proteins

3.8K
3.8K
RNA Polymerase II Accessory Proteins02:36

RNA Polymerase II Accessory Proteins

10.8K
Proteins that regulate transcription can do so either via direct contact with RNA Polymerase or through indirect interactions facilitated by adaptors, mediators, histone-modifying proteins, and nucleosome remodelers. Direct interactions to activate transcription is seen in bacteria as well as in some eukaryotic genes. In these cases, upstream activation sequences are adjacent to the promoters, and the activator proteins interact directly with the transcriptional machinery. For example, in...
10.8K
Ribosome Profiling02:24

Ribosome Profiling

4.1K
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...
4.1K
RNA Structure01:23

RNA Structure

78.8K
Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
78.8K

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相关实验视频

Updated: Jan 17, 2026

Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions

Published on: September 28, 2017

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使用SPIDR来绘制RNA-蛋白网的地图.

Carson C Thoreen1

  • 1Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT 06510, USA.

Molecular cell
|September 19, 2025
PubMed
概括

研究人员开发了SPIDR,这是绘制RNA-蛋白相互作用的新方法. 这项技术揭示了mTOR途径调节的新型相互作用,为细胞营养物质感知提供了新的见解.

科学领域:

  • 分子生物学分子生物学
  • 基因组学就是基因组学.
  • 细胞信号传输 细胞信号传输

背景情况:

  • RNA结合蛋白 (RBPs) 在基因调节中起着至关重要的作用.
  • 了解RBP-RNA相互作用对于破译细胞过程至关重要.
  • 目前用于分析这些相互作用的方法的规模可能是有限的.

研究的目的:

  • 引入一种新的,高通量方法,用于分析RNA-蛋白相互作用.
  • 研究营养调节的mTOR途径在控制RNA-蛋白相互作用中的作用.

主要方法:

  • 开发和应用SPIDR (蛋白质-蛋白质相互作用测序发现和检索),这是CLIP (交叉链接免疫沉) 的一个大规模多重变体.
  • 对众多RNA结合蛋白的目标同时进行分析.

主要成果:

  • 通过SPIDR,可以同时对任意数量的RNA结合蛋白的点进行分析.
  • 这项研究揭示了以前未知的RNA-蛋白相互作用.
  • 这些相互作用被证明是受营养调节的mTOR通路的控制.

结论:

  • SPIDR是一个强大的工具,用于大规模绘制RNA-蛋白相互作用的地图.

更多相关视频

A Rapid High-throughput Method for Mapping Ribonucleoproteins RNPs on Human pre-mRNA
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A Rapid High-throughput Method for Mapping Ribonucleoproteins RNPs on Human pre-mRNA

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Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq
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Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq

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相关实验视频

Last Updated: Jan 17, 2026

Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions

Published on: September 28, 2017

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A Rapid High-throughput Method for Mapping Ribonucleoproteins RNPs on Human pre-mRNA
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A Rapid High-throughput Method for Mapping Ribonucleoproteins RNPs on Human pre-mRNA

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Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq
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Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing RIPiT-Seq

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  • mTOR途径调节一个复杂的RNA-蛋白相互作用网络,影响细胞对营养素的反应.