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- Title
Exon discovery by genomic sequence alignment.
- Authors
Morgenstern, Burkhard; Rinner, Oliver; Abdeddaïm, Saïd; Haase, Dirk; Mayer, Klaus F X; Dress, Andreas W M; Mewes, Hans-Werner
- Abstract
During evolution, functional regions in genomic sequences tend to be more highly conserved than randomly mutating 'junk DNA' so local sequence similarity often indicates biological functionality. This fact can be used to identify functional elements in large eukaryotic DNA sequences by cross-species sequence comparison. In recent years, several gene-prediction methods have been proposed that work by comparing anonymous genomic sequences, for example from human and mouse. The main advantage of these methods is that they are based on simple and generally applicable measures of (local) sequence similarity; unlike standard gene-finding approaches they do not depend on species-specific training data or on the presence of cognate genes in data bases. As all comparative sequence-analysis methods, the new comparative gene-finding approaches critically rely on the quality of the underlying sequence alignments.
- Publication
Bioinformatics (Oxford, England), 2002, Vol 18, Issue 6, p777
- ISSN
1367-4803
- Publication type
Journal Article
- DOI
10.1093/bioinformatics/18.6.777