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The Co-regulation Data Harvester: automating gene annotation starting from a transcriptome database.

Lev M Tsypin1, Aaron P Turkewitz1

  • 1Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago IL, 60637.

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|November 7, 2017
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Summary

The Co-regulation Data Harvester (CDH) automates gene annotation for Tetrahymena thermophila by analyzing transcriptome data. This tool aids in predicting gene functions and understanding cellular pathways in this model organism and others.

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AutomationBioinformaticsEvolutionProtists

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Area of Science:

  • Genomics
  • Bioinformatics
  • Systems Biology

Background:

  • Genome annotation is crucial for understanding gene function but lags behind sequencing.
  • Tetrahymena thermophila is a key model organism with a sequenced yet sparsely annotated genome.
  • Transcriptomic data offers a valuable resource for gene function inference.

Purpose of the Study:

  • To develop an automated method for gene annotation in Tetrahymena thermophila using transcriptome data.
  • To create a tool that predicts the cellular roles of genes by identifying co-regulated and orthologous genes.
  • To provide a freely accessible resource for analyzing cell biological pathways.

Main Methods:

  • Developed the Co-regulation Data Harvester (CDH) software.
  • Utilized Tetrahymena thermophila transcriptome database for co-regulation analysis.
  • Employed reciprocal BLAST searches to identify orthologs in other organisms.
  • Collated functional annotations of identified orthologs.

Main Results:

  • The CDH successfully identifies co-regulated genes within the Tetrahymena thermophila transcriptome.
  • The tool links query genes to orthologs across different species.
  • Functional information from orthologs is aggregated to infer the roles of Tetrahymena genes.
  • The CDH provides a mechanism for predicting cellular functions.

Conclusions:

  • The Co-regulation Data Harvester (CDH) is a powerful, freely available tool for gene annotation in Tetrahymena thermophila.
  • CDH facilitates the analysis of cell biological pathways.
  • Findings are applicable to other organisms due to conserved gene pathways.