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The CHAOS/DIALIGN WWW server for multiple alignment of genomic sequences
Michael Brudno1, Rasmus Steinkamp, Burkhard Morgenstern
1Department of Computer Science, Stanford University, Stanford, CA 94305, USA.
Nucleic Acids Research
|June 25, 2004
Summary
This study introduces a web-based system for aligning large genomic sequences, enhancing speed and accuracy. The CHAOS/DIALIGN tool aids in discovering functional sites across species.
Area of Science:
- Genomics
- Bioinformatics
- Computational Biology
Background:
- Cross-species sequence comparison is vital for identifying functional genomic sites.
- Genomic alignments are fundamental to numerous biological discoveries.
- Analyzing large genomic sequences presents computational challenges.
Purpose of the Study:
- To present a WWW-based software system for the multiple alignment of large genomic sequences.
- To combine speed and accuracy in genomic sequence alignment.
- To provide a user-friendly platform for genomic analysis.
Main Methods:
- Utilizing a combination of CHAOS and DIALIGN algorithms.
- CHAOS: A fast database search tool for local sequence similarity identification.
- DIALIGN: Employs CHAOS anchor points to accelerate the final alignment process.
Main Results:
- Successful implementation of a WWW-based system for multiple genomic sequence alignment.
- Achieved a balance between alignment speed and accuracy.
- The system returns alignments in various formats along with identified anchor points.
Conclusions:
- The CHAOS/DIALIGN system offers an efficient solution for large-scale genomic sequence alignment.
- Facilitates the analysis of functional sites through cross-species comparisons.
- Provides a freely accessible tool for the research community.