metaRE R Package for Meta-Analysis of Transcriptome Data to Identify the cis-Regulatory Code behind the Transcriptional Reprogramming.

Genes
Daria NovikovaVictoria V Mironova

Abstract

At the molecular level, response to an external factor or an internal condition causes reprogramming of temporal and spatial transcription. When an organism undergoes physiological and/or morphological changes, several signaling pathways are activated simultaneously. Examples of such complex reactions are the response to temperature changes, dehydration, various biologically active substances, and others. A significant part of the regulatory ensemble in such complex reactions remains unidentified. We developed metaRE, an R package for the systematic search for cis-regulatory elements enriched in the promoters of the genes significantly changed their transcription in a complex reaction. metaRE mines multiple expression profiling datasets generated to test the same organism's response and identifies simple and composite cis-regulatory elements systematically associated with differential expression of genes. Here, we showed metaRE performance for the identification of low-temperature-responsive cis-regulatory code in Arabidopsis thaliana and Danio rerio. MetaRE identified potential binding sites for known as well as unknown cold response regulators. A notable part of cis-elements was found in both searches discovering great conser...Continue Reading

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Citations

Sep 16, 2020·Proceedings of the National Academy of Sciences of the United States of America·Alejandra Freire-RiosDolf Weijers
Oct 24, 2020·Genes·Francisco Gómez-VelaMiguel García-Torres

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Methods Mentioned

BETA
ChIP-Seq
transgenic

Software Mentioned

GEOquery
MetaRE
limma
BioMart
CRAN
GeneClassificationMatrix
GSMA
TOMTOM
Meme Suit
Metalysis

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