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Related Concept Videos

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. 
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Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions
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Identification of cis-Elements for RNA Subcellular Localization Through REL-seq.

Yafei Yin1, Xiaohua Shen2

  • 1Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China.

Methods in Molecular Biology (Clifton, N.J.)
|July 19, 2020
PubMed
Summary

Researchers developed REL-seq (RNA elements for subcellular localization by sequencing), a high-throughput sequencing method. This technique identifies RNA cis-regulatory elements controlling where RNAs go within cells, with mutREL-seq pinpointing key motifs.

Keywords:
High-throughput sequencingREL-seqRandom mutagenesiscis-element

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Area of Science:

  • Molecular Biology
  • Genetics
  • Cell Biology

Background:

  • RNA subcellular localization is crucial for gene expression regulation.
  • Cis-regulatory elements and trans factors govern RNA localization.
  • Understanding these elements is key to deciphering cellular organization.

Purpose of the Study:

  • To introduce a novel high-throughput sequencing method, REL-seq, for identifying RNA cis-elements.
  • To enable the discovery of sequences controlling RNA subcellular localization.
  • To enhance the resolution of cis-element identification using mutagenesis.

Main Methods:

  • Development of REL-seq (RNA elements for subcellular localization by sequencing), a high-throughput sequencing approach.
  • Application of random mutagenesis coupled with REL-seq (mutREL-seq).
  • Single-nucleotide resolution analysis of cis-elements.

Main Results:

  • REL-seq effectively identifies cis-elements involved in RNA subcellular localization.
  • mutREL-seq allows for the precise mapping of key functional motifs within these cis-elements.
  • The study provides a powerful tool for dissecting RNA localization mechanisms.

Conclusions:

  • REL-seq and mutREL-seq are valuable tools for studying RNA localization.
  • These methods advance our understanding of how RNA localization is regulated at the sequence level.
  • The findings contribute to the field of post-transcriptional gene regulation.