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High-throughput sequencing of methylated cytosine enriched by modification-dependent restriction endonuclease MspJI

Xiaojun Huang1, Hanlin Lu, Jun-Wen Wang

  • 1Science & Technology Department, BGI-Shenzhen, Building No, 11, Bei Shan Industrial Zone, Yantian District, Shenzhen 518083, China.

BMC Genetics
|June 19, 2013
PubMed
Abstract

Insights

This study introduces a new, cost-effective method for mapping plant DNA methylation using MspJI digestion and high-throughput sequencing. The developed technique reliably detects 5-methylcytosines, creating detailed plant methylome maps.

Area of Science:

  • Plant epigenetics
  • Genomics
  • Molecular biology

Background:

  • DNA methylation is a crucial epigenomic modification in plants, influencing various biological processes.
  • Methylation-requiring restriction-like endonucleases, like MspJI, offer potential for methylation detection due to their unique digestion properties.

Purpose of the Study:

  • To develop and assess a novel method for detecting 5-methylcytosines in the Arabidopsis genome.
  • To establish a feasible, reliable, and economical approach for plant methylome mapping.

Main Methods:

  • Integration of MspJI digestion with electrophoretic band selection.
  • Application of next-generation high-throughput sequencing.
  • Development of a bioinformatics workflow to map MspJI recognition sites (CNNR) to the reference genome.

Main Results:

  • Successful detection of 5-methylcytosines in the Arabidopsis genome.
  • Systematic assessment of the combined MspJI digestion and sequencing method.
  • Validation of the bioinformatics workflow for site attribution.

Conclusions:

  • The developed method provides a feasible, reliable, and economical means for plant methylome investigation.
  • This approach enables the generation of detailed plant methylome maps.
  • The study offers a valuable tool for epigenomic research in plants.

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