Survey of a cDNA library from the turkey (Meleagris gallopavo)

L. D. Chaves, J. A. Rowe, K. M. Reed

Research output: Contribution to journalReview articlepeer-review

17 Scopus citations

Abstract

Genome characterization and analysis is an imperative step in identifying and selectively breeding for improved traits of agriculturally important species. Expressed sequence tags (ESTs) represent a transcribed portion of the genome and are an effective way to identify genes within a species. Downstream applications of EST projects include DNA microarray construction and interspecies comparisons. In this study, 694 ESTs were sequenced and analyzed from a library derived from a 24-day-old turkey embryo. The 437 unique sequences identified were divided into 76 assembled contigs and 361 singletons. The majority of significant comparative matches occurred between the turkey sequences and sequences reported from the chicken. Whole genome sequence from the chicken was used to identify potential exon-intron boundaries for selected turkey clones and intron-amplifying primers were developed for sequence analysis and single nucleotide polymorphism (SNP) discovery. Identified SNPs were genotyped for linkage analysis on two turkey reference populations. This study significantly increases the number of EST sequences available for the turkey.

Original languageEnglish (US)
Pages (from-to)12-17
Number of pages6
JournalGenome
Volume48
Issue number1
DOIs
StatePublished - Jan 1 2005

Keywords

  • Expressed sequence tag
  • Single nucleotide polymorphism
  • Turkey
  • cDNA

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