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Related Concept Videos

RNA-seq03:21

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Updated: Aug 21, 2025

Sequencing of mRNA from Whole Blood using Nanopore Sequencing
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Published on: June 3, 2019

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Modification mapping by nanopore sequencing.

Laura K White1, Jay R Hesselberth1

  • 1Department of Biochemistry and Molecular Genetics, RNA Bioscience Initiative, University of Colorado School of Medicine, Aurora, CO, United States.

Frontiers in Genetics
|November 17, 2022
PubMed
Summary
This summary is machine-generated.

Nanopore sequencing offers a direct method for detecting DNA and RNA modifications, overcoming limitations of previous techniques. This technology promises improved identification and quantification of epigenetic marks.

Keywords:
DNARNAmodificationnanoporesequencing

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Area of Science:

  • Genomics and Molecular Biology
  • Epigenetics
  • Bioinformatics

Background:

  • Next-generation sequencing (NGS) has revolutionized biological research but has limitations for nucleic acid modification detection.
  • Current methods often require antibody enrichment or chemical/enzymatic treatments, adding complexity and specificity issues.
  • Existing techniques are typically limited to specific modification types and provide indirect readouts.

Purpose of the Study:

  • To introduce nanopore sequencing as a powerful tool for direct nucleic acid modification detection.
  • To outline the principles and current approaches for identifying and quantifying modifications using nanopore sequencing.
  • To highlight the advantages of nanopore sequencing over traditional NGS-based methods.

Main Methods:

  • Direct detection of nucleic acid modifications by analyzing signal distortions as DNA/RNA passes through a nanopore.
  • Utilizing long-read sequencing platforms, specifically Oxford Nanopore Technologies.
  • Interrogation of both endogenous and synthetic nucleic acid modifications.

Main Results:

  • Nanopore sequencing can directly detect numerous DNA and RNA modifications without amplification.
  • Over a dozen endogenous and several synthetic modifications have been successfully interrogated.
  • This method bypasses the need for antibody enrichment or complex chemical/enzymatic treatments.

Conclusions:

  • Nanopore sequencing presents a significant advancement for high-throughput detection of nucleic acid modifications.
  • The technology offers direct, sensitive, and versatile analysis of epigenetic marks.
  • Future developments in sequencing chemistry and analysis will further enhance the capabilities for modification identification and quantification.