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Title: Enhancing gene regulatory network inference through data integration with markov random fields

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep41174· OSTI ID:1347425
 [1];  [1]
  1. Carnegie Institution for Science, Stanford, CA (United States)

Here, a gene regulatory network links transcription factors to their target genes and represents a map of transcriptional regulation. Much progress has been made in deciphering gene regulatory networks computationally. However, gene regulatory network inference for most eukaryotic organisms remain challenging. To improve the accuracy of gene regulatory network inference and facilitate candidate selection for experimentation, we developed an algorithm called GRACE (Gene Regulatory network inference ACcuracy Enhancement). GRACE exploits biological a priori and heterogeneous data integration to generate high- confidence network predictions for eukaryotic organisms using Markov Random Fields in a semi-supervised fashion. GRACE uses a novel optimization scheme to integrate regulatory evidence and biological relevance. It is particularly suited for model learning with sparse regulatory gold standard data. We show GRACE’s potential to produce high confidence regulatory networks compared to state of the art approaches using Drosophila melanogaster and Arabidopsis thaliana data. In an A. thaliana developmental gene regulatory network, GRACE recovers cell cycle related regulatory mechanisms and further hypothesizes several novel regulatory links, including a putative control mechanism of vascular structure formation due to modifications in cell proliferation.

Research Organization:
Donald Danforth Plant Science Center, St. Louis, MO (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0008769
OSTI ID:
1347425
Journal Information:
Scientific Reports, Vol. 7; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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Cited By (5)

Distinct tissue-specific transcriptional regulation revealed by gene regulatory networks in maize journal June 2018
Reprogramming of regulatory network using expression uncovers sex-specific gene regulation in Drosophila journal October 2018
BINDER: computationally inferring a gene regulatory network for Mycobacterium abscessus journal September 2019
Integrative approaches to reconstruct regulatory networks from multi-omics data: A review of state-of-the-art methods journal December 2019
Statistical and Machine Learning Approaches to Predict Gene Regulatory Networks From Transcriptome Datasets journal November 2018