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Related Concept Videos

Ribosome Profiling02:24

Ribosome Profiling

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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.
The technique...
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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. 
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Related Experiment Video

Updated: Aug 25, 2025

Saccharomyces cerevisiae Metabolic Labeling with 4-thiouracil and the Quantification of Newly Synthesized mRNA As a Proxy for RNA Polymerase II Activity
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Saccharomyces cerevisiae Metabolic Labeling with 4-thiouracil and the Quantification of Newly Synthesized mRNA As a Proxy for RNA Polymerase II Activity

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A cap 0-dependent mRNA capture method to analyze the yeast transcriptome.

Martyna Nowacka1, Przemysław Latoch2,3, Matylda A Izert1

  • 1Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Warsaw 02-093, Poland.

Nucleic Acids Research
|October 19, 2022
PubMed
Summary
This summary is machine-generated.

Human IFIT1 protein offers a novel method for mRNA enrichment in RNA sequencing. This cost-effective tool effectively depletes rRNA and enhances protein-coding transcriptome coverage for various organisms.

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Area of Science:

  • Molecular Biology
  • Genomics
  • Biochemistry

Background:

  • RNA sequencing requires mRNA enrichment or rRNA depletion for accurate transcriptome analysis.
  • Current methods like RiboMinus have limitations in efficiency and specificity.

Purpose of the Study:

  • To evaluate the efficacy of an alternative mRNA enrichment strategy using human IFIT1 protein.
  • To compare IFIT1-based mRNA pull-down with established RiboMinus rRNA depletion in Saccharomyces cerevisiae.

Main Methods:

  • IFIT1-based mRNA pull-down assay.
  • RiboMinus rRNA depletion method.
  • RNA sequencing and data analysis.

Main Results:

  • IFIT1-based RNA capture demonstrated superior rRNA depletion compared to RiboMinus.
  • High-quality RNA-seq data with excellent protein-coding transcriptome coverage was achieved.
  • IFIT1 effectively depleted cap-less transcripts, including mitochondrial and some non-coding RNAs.

Conclusions:

  • Human IFIT1 is a cost-effective and versatile tool for mRNA library preparation.
  • IFIT1-based enrichment is suitable for diverse organisms with cap 0 mRNA ends, including plants, fungi, and microbes.