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Title: Epigenetic functions enriched in transcription factors binding to mouse recombination hotspots
Authors: Wu, Min
Kwoh, Chee Keong
Przytycka, Teresa M.
Li, Jing
Zheng, Jie
Keywords: DRNTU::Engineering::Computer science and engineering
Issue Date: 2012
Source: Wu, M., Kwoh, C. K., Przytycka, T. M., Li, J.,& Zheng, J. (2012). Epigenetic functions enriched in transcription factors binding to mouse recombination hotspots. Proteome science, 10(Suppl 1), S11.
Series/Report no.: Proteome science
Abstract: The regulatory mechanism of recombination is a fundamental problem in genomics, with wide applications in genome-wide association studies, birth-defect diseases, molecular evolution, cancer research, etc. In mammalian genomes, recombination events cluster into short genomic regions called “recombination hotspots”. Recently, a 13-mer motif enriched in hotspots is identified as a candidate cis-regulatory element of human recombination hotspots; moreover, a zinc finger protein, PRDM9, binds to this motif and is associated with variation of recombination phenotype in human and mouse genomes, thus is a trans-acting regulator of recombination hotspots. However, this pair of cis and trans-regulators covers only a fraction of hotspots, thus other regulators of recombination hotspots remain to be discovered. In this paper, we propose an approach to predicting additional trans-regulators from DNA-binding proteins by comparing their enrichment of binding sites in hotspots. Applying this approach on newly mapped mouse hotspots genome-wide, we confirmed that PRDM9 is a major transregulator of hotspots. In addition, a list of top candidate trans-regulators of mouse hotspots is reported. Using GO analysis we observed that the top genes are enriched with function of histone modification, highlighting the epigenetic regulatory mechanisms of recombination hotspots.
ISSN: 1477-5956
DOI: 10.1186/1477-5956-10-S1-S11
Rights: © 2012 Wu et al; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Journal Articles

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