MaGIC: a machine learning tool set and web application for monoallelic gene inference from chromatin
Svetlana Vinogradova1,2, Sachit D Saksena3, Henry N Ward1,2,4
1Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02115, USA.
BMC Bioinformatics
|March 2, 2019
Summary
Researchers can now easily map random monoallelic expression (MAE) using MaGIC, an open-source software pipeline. This tool utilizes chromatin signatures to identify genes with allele-specific expression, advancing epigenetic research.
Area of Science:
- Epigenetics
- Genomics
- Computational Biology
Background:
- A significant proportion of human and mouse autosomal genes exhibit random monoallelic expression (MAE).
- MAE is an epigenetic mechanism involving allele-specific gene expression that varies across clonal cell lineages.
- MAE is cell-type specific, and its mapping is crucial for understanding its biological function, yet detection remains challenging.
Purpose of the Study:
- To present a user-friendly, open-source software pipeline for inferring monoallelic gene expression from chromatin data.
- To implement a previously reported method that uses sequence-independent chromatin signatures for MAE detection.
- To facilitate the mapping of MAE across diverse cell types.
Main Methods:
- Development of the MaGIC (monoallelic gene inference from chromatin) software pipeline.
- Utilizing ChIP-seq data to identify a sequence-independent chromatin signature associated with MAE.
- Providing a user-friendly interface and open-source code for accessibility.
Main Results:
- The MaGIC pipeline successfully implements a sensitive and specific method for identifying genes subject to MAE.
- The pipeline leverages readily available ChIP-seq data for MAE detection.
- The source code and a Shiny app are publicly available.
Conclusions:
- The MaGIC pipeline empowers researchers to map monoallelic expression in various cell types.
- The tool supports the use of existing models and the training of new models with additional chromatin marks.
- This facilitates broader investigation into the biological roles of MAE.
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