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ESTIMA, a tool for EST management in a multi-project environment.

Charu G Kumar1, Richard LeDuc, George Gong

  • 1Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. cgkumar@uiuc.edu <cgkumar@uiuc.edu>

BMC Bioinformatics
|November 6, 2004
PubMed
Summary

ESTIMA is a web application for managing and annotating expressed sequence tags (ESTs) from high-throughput sequencing projects. It offers flexible data management and annotation, supporting diverse species and user-defined pipelines.

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Area of Science:

  • Bioinformatics
  • Genomics
  • Molecular Biology

Background:

  • High-throughput sequencing generates numerous expressed sequence tags (ESTs) from complementary DNA (cDNA) libraries.
  • Meaningful annotation and data management are crucial for ESTs and assembled contigs to be valuable for research.

Purpose of the Study:

  • To develop a comprehensive web application, ESTIMA, for managing and annotating ESTs from multiple high-throughput sequencing projects.
  • To provide a flexible and integrated platform for data management, query, and retrieval of EST information.

Main Methods:

  • Developed a relational database schema and interactive query interfaces for ESTIMA.
  • Integrated ESTIMA with web-based tools for querying and retrieving information based on various EST properties.
  • Designed ESTIMA to be flexible, accepting output from diverse EST processing and assembly pipelines.

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Main Results:

  • ESTIMA anchors on individual ESTs, organizing data by chromatograms, quality scores, transcript structure, and functional annotations.
  • The application supports user-defined pipelines, reference genomes, and clustering/assembly algorithms.
  • ESTIMA has been successfully applied to EST projects for multiple species, including honeybee, cattle, songbird, corn rootworm, catfish, and apple.

Conclusions:

  • ESTIMA provides a robust solution for EST annotation and data management in high-throughput sequencing.
  • The software, database schema, and associated scripts are freely available for academic users.
  • ESTIMA is adaptable for various cDNA sequencing projects, with specific project data accessible for cattle and honeybee.