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Creating 2D Occupancy Plots Using plot2DO.

Paula Beati1, Răzvan V Chereji2

  • 1Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina.

Methods in Molecular Biology (Clifton, N.J.)
|January 22, 2020
PubMed
Summary
This summary is machine-generated.

The plot2DO package analyzes micrococcal nuclease sequencing (MNase-seq) data to assess chromatin organization and epigenetic marks. This tool aids in visualizing nucleosome distribution near functional genomic regions, improving data quality evaluation.

Keywords:
2D occupancy plotHeat mapMNase-seqNGS data quality controlPaired-end sequencing

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Area of Science:

  • Epigenetics and Molecular Biology
  • Genomics and Bioinformatics

Background:

  • Chromatin organization and epigenetic marks are crucial for stem cell pluripotency and differentiation.
  • Micrococcal nuclease sequencing (MNase-seq) is a standard method for genome-wide nucleosome organization studies.
  • Combining MNase-seq with chromatin immunoprecipitation (ChIP) allows high-resolution investigation of chromatin and epigenetic modifications.

Purpose of the Study:

  • To introduce plot2DO, a software package for evaluating MNase-seq and MNase-ChIP-seq data quality.
  • To provide a tool for visualizing nucleosome distribution in relation to genomic functional regions.

Main Methods:

  • Development of the plot2DO R package.
  • Utilizing MNase-seq and MNase-ChIP-seq data analysis techniques.
  • Genome-wide visualization of nucleosome positioning.

Main Results:

  • The plot2DO package offers a flexible approach to assess the quality of sequencing data related to chromatin structure.
  • The tool facilitates the visualization of nucleosome positioning near key genomic elements.
  • The software is open-source and readily available for research use.

Conclusions:

  • The plot2DO package enhances the analysis and interpretation of MNase-seq and MNase-ChIP-seq data.
  • This tool supports researchers in understanding chromatin organization and its role in gene regulation.
  • plot2DO contributes to the field of epigenetics by providing accessible data visualization capabilities.