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Related Experiment Video

Updated: Oct 15, 2025

A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
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Detecting m6A with In Vitro DART-Seq.

Matthew Tegowski1, Huanyu Zhu1, Kate D Meyer2,3

  • 1Department of Biochemistry, Duke University School of Medicine, Durham, NC, USA.

Methods in Molecular Biology (Clifton, N.J.)
|October 25, 2021
PubMed
Summary
This summary is machine-generated.

We present DART-seq, a new antibody-free method for N6-methyladenosine (m6A) profiling. This technique enables highly sensitive m6A detection from low-input RNA samples using a simple in vitro assay.

Keywords:
DART-seqEpitranscriptomeIn vitro deaminationProtein purificationRNA isolationm6A

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Area of Science:

  • Molecular Biology
  • Epigenetics
  • RNA Biology

Background:

  • Cellular mRNAs possess a complex epitranscriptome with chemically modified bases regulating gene expression.
  • N6-methyladenosine (m6A) is a prevalent RNA modification crucial for RNA regulation and cellular functions.
  • Existing m6A profiling methods often necessitate substantial amounts of RNA input material.

Purpose of the Study:

  • To introduce DART-seq, an innovative antibody-free technique for m6A profiling.
  • To enable sensitive m6A detection from limited RNA samples.
  • To provide a detailed protocol for the in vitro DART method.

Main Methods:

  • DART-seq utilizes the deamination of cytidines adjacent to m6A sites.
  • The method involves a straightforward in vitro assay.
  • Requires as little as 50 ng of total RNA for analysis.

Main Results:

  • DART-seq offers an antibody-free approach to m6A profiling.
  • The method is highly sensitive and effective with low RNA inputs.
  • Demonstrates the utility of DART-seq for diverse RNA samples.

Conclusions:

  • DART-seq provides a sensitive and low-input alternative for m6A profiling.
  • The described in vitro DART method facilitates accessible epitranscriptomic analysis.
  • This technique advances the study of m6A modifications in gene expression regulation.