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Development and testing of a high-density cDNA microarray resource for cattle.

Steven P Suchyta1, Sue Sipkovsky, Rachael Kruska

  • 1Department of Animal Science, Center for Animal Functional Genomics, Michigan State University, East Lansing, Michigan 48824, USA. suchytas@msu.edu

Physiological Genomics
|September 18, 2003
PubMed
Summary

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This summary is machine-generated.

Researchers developed a large cattle microarray with 18,263 unique transcripts for functional genomics. This resource aids in studying cattle gene expression and provides valuable data for livestock research.

Area of Science:

  • Animal Genomics
  • Functional Genomics
  • Bioinformatics

Background:

  • The National Bovine Functional Genomics Consortium (NBFGC) initiated an expressed sequence tag (EST) collection in 2001.
  • Development of integrated functional genomics resources for cattle is crucial for advancing livestock research.

Purpose of the Study:

  • To create a comprehensive cDNA microarray resource for cattle.
  • To facilitate genome-wide gene expression studies in cattle.

Main Methods:

  • Construction of a cDNA microarray utilizing the NBFGC EST collection.
  • Inclusion of 18,263 unique transcripts from diverse cattle tissues and physiological states.
  • Validation of microarray performance through self-self hybridizations to assess false-positive rates.

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Main Results:

  • The NBFGC microarray contains 18,263 unique transcripts, representing the largest such resource for a livestock species to date.
  • Microarray experiments demonstrated robust results with low false-positive rates.
  • A web-accessible database was established, offering sequence data, BLAST results, and ontology information for NBFGC clones.

Conclusions:

  • The NBFGC cDNA microarray is a significant advancement for cattle functional genomics.
  • This resource will be instrumental in exploring cattle gene expression patterns.
  • The integrated database enhances the utility of the microarray for the research community.