genBlastG: using BLAST searches to build homologous gene models

Bioinformatics. 2011 Aug 1;27(15):2141-3. doi: 10.1093/bioinformatics/btr342. Epub 2011 Jun 8.

Abstract

Motivation: BLAST users frequently expect to obtain homologous genes with certain similarity to their query genes. But what they get from BLAST searches are often collections of local alignments called high-scoring segment pairs (HSPs). On the other hand, most homology-based gene finders have been built using computation-intensive algorithms, without taking full advantage of BLAST searches that have been perfected over the last decades.

Results: Here we report an efficient algorithm, genBlastG that directly uses the HSPs reported by BLAST to define high-quality gene models.

Availability: http://genome.sfu.ca/genblast/download.html

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Algorithms*
  • Animals
  • Arabidopsis / genetics
  • Caenorhabditis elegans / genetics
  • Computational Biology / methods*
  • Genomics / methods
  • Models, Genetic*
  • Sequence Alignment