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Predictive screening for regulators of conserved functional gene modules (gene batteries) in mammals
Sahlgrenska Academy.
Sahlgrenska Academy.
Chalmers Technical University.
Lund Strategic Research Center for Stem Cell Biology and Cell Therapy.
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2005 (English)In: BMC Genomics, ISSN 1471-2164, Vol. 6, no 68Article in journal (Refereed) Published
Abstract [en]

Background: The expression of gene batteries, genomic units of functionally linked genes which are activated by similar sets of cis- and trans-acting regulators, has been proposed as a major determinant of cell specialization in metazoans. We developed a predictive procedure to screen the mouse and human genomes and transcriptomes for cases of gene-battery-like regulation. Results: In a screen that covered andSIM; 40 per cent of all annotated protein-coding genes, we identified 21 co-expressed gene clusters with statistically supported sharing of cis- regulatory sequence elements. 66 predicted cases of over-represented transcription factor binding motifs were validated against the literature and fell into three categories: (i) previously described cases of gene battery-like regulation, (ii) previously unreported cases of gene battery-like regulation with some support in a limited number of genes, and (iii) predicted cases that currently lack experimental support. The novel predictions include for example Sox 17 and RFX transcription factor binding sites that were detected in andSIM; 10% of all testis specific genes, and HNF-1 and 4 binding sites that were detected in andSIM; 30% of all kidney specific genes respectively. The results are publicly available at Conclusion: 21 co-expressed gene clusters were enriched for a total of 66 shared cis-regulatory sequence elements. A majority of these predictions represent novel cases of potential co-regulation of functionally coupled proteins. Critical technical parameters were evaluated, and the results and the methods provide a valuable resource for future experimental design.

Place, publisher, year, edition, pages
BioMed Central , 2005. Vol. 6, no 68
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-74452DOI: 10.1186/1471-2164-6-68ISI: 000229170300002OAI: diva2:484798
Available from: 2012-01-27 Created: 2012-01-27 Last updated: 2012-02-07

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