Related Experiment Videos
ConSite: web-based prediction of regulatory elements using cross-species comparison
Albin Sandelin1, Wyeth W Wasserman, Boris Lenhard
1Center for Genomics and Bioinformatics, Karolinska Institutet, Berzelius väg 35, s-17177 Stockholm, Sweden.
Nucleic Acids Research
|June 25, 2004
Summary
ConSite is a web tool that identifies cis-regulatory elements in DNA sequences. It enhances prediction accuracy by combining transcription factor binding models with evolutionary comparisons, significantly improving selectivity.
Area of Science:
- Genomics and Bioinformatics
- Computational Biology
- Molecular Biology
Background:
- Identifying cis-regulatory elements is crucial for understanding gene regulation.
- Traditional methods often lack accuracy and efficiency in predicting these elements.
- Evolutionary conservation provides a powerful filter for functional genomic elements.
Purpose of the Study:
- To introduce ConSite, a user-friendly, web-based tool for cis-regulatory element discovery.
- To improve the accuracy and selectivity of cis-regulatory element predictions.
- To provide researchers with accessible computational tools and resources.
Main Methods:
- Integration of high-quality transcription factor binding site predictions.
- Application of cross-species comparison filtering (phylogenetic footprinting) to enhance selectivity.
- Development of an interactive expert system for retrieving orthologous regulatory sequences.
Main Results:
- ConSite significantly increases prediction selectivity by an order of magnitude compared to single-sequence analysis.
- The tool effectively incorporates evolutionary constraints into cis-regulatory element identification.
- Freely available programming modules and biological databases support the ConSite service.
Conclusions:
- ConSite offers a robust and user-friendly solution for identifying cis-regulatory elements.
- The integration of phylogenetic footprinting markedly improves prediction accuracy.
- The freely accessible nature of ConSite promotes its adoption and advancement within the research community.