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PALS db: Putative Alternative Splicing database.

Y-H Huang1, Y-T Chen, J-J Lai

  • 1Bioinformatics Program, National Yang-Ming University, No. 155, Sec. 2, Li-Noun Street, Taipei, Taiwan 11221, Republic of China.

Nucleic Acids Research
|December 26, 2001
PubMed
Summary

PALS db provides a comprehensive resource for putative alternative splicing (AS) events in humans and mice. This database aids researchers in discovering novel AS sites and exploring their biological significance through integrated features.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Bioinformatics

Background:

  • Alternative splicing (AS) is a key mechanism for generating protein diversity from a limited number of genes.
  • Understanding AS is crucial for deciphering gene function and organismal complexity.

Purpose of the Study:

  • To develop and present PALS db, a database of putative alternative splicing information for human and mouse.
  • To provide researchers with tools for in silico discovery and analysis of alternative splicing events.

Main Methods:

  • Prediction of AS sites using the longest messenger RNA (mRNA) sequence within UniGene clusters as a reference.
  • Alignment of reference sequences with related UniGene and dbEST sequences to identify AS.
  • Clustering of expressed sequence tags (ESTs) supporting the same AS site to increase confidence.

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Main Results:

  • PALS db contains 19,936 human and 16,615 mouse UniGene clusters with putative AS information.
  • The database offers features for assessing prediction quality, interactive criteria adjustment, tissue distribution visualization, and gene feature analysis.

Conclusions:

  • PALS db facilitates the discovery of novel alternative splicing events in silico.
  • The integrated features enable new insights by combining AS data with tissue distribution and gene features.