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Characterization of expressed sequence tags from turkey skeletal muscle
K M Reed1, K M Mendoza, B Juneja
1Department of Veterinary and Biomedical Sciences, University of Minnesota, St Paul, MN 55108, USA. reedx054@umn.edu
Animal Genetics
|October 3, 2008
Summary
Researchers identified key turkey muscle genes and genetic variations. This provides a foundation for developing tools to study muscle development and meat quality genetics.
Area of Science:
- Animal Genomics
- Molecular Biology
- Transcriptomics
Background:
- Understanding turkey muscle gene expression is crucial for improving meat quality.
- Comprehensive genetic resources are needed for turkey skeletal muscle research.
Purpose of the Study:
- To identify important muscle gene homologues in turkey.
- To generate a valuable resource for analyzing turkey muscle development and genetics.
Main Methods:
- Construction and sequencing of three skeletal muscle cDNA libraries from distinct developmental stages.
- Bioinformatic analysis including sequence clustering, blastn comparisons, and SNP identification.
- Construction of single nucleotide polymorphism (SNP) haplotypes for 10 genes.
Main Results:
- Sequencing yielded 13,023 high-quality turkey muscle gene sequences.
- Identified 5257 putative transcripts, including 1113 contigs and 4144 singletons.
- Discovered 1288 single nucleotide polymorphisms (SNPs), with 320 showing minor allele presence in multiple sequences.
Conclusions:
- The study successfully identified numerous important muscle gene homologues in the turkey.
- Generated a valuable dataset of turkey gene sequences and sequence variants (SNPs).
- This resource will facilitate the development of a turkey skeletal muscle microarray for further research into muscle development and meat quality traits.
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