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Journal of Applied Genetics

, Volume 47, Issue 1, pp 63–66 | Cite as

Polymorphism within theLDHA gene in the homing and non-homing pigeons

  • Andrzej Dybus
  • Jacek Pijanka
  • Yeong -Hsiang Cheng
  • Fangmiin Sheen
  • Wilhelm Grzesiak
  • Magdalena Muszyńska
Short Communication

Abstract

A total of 445 domestic pigeons were genotyped for the lactate dehydrogenase (LDHA) gene. Crude DNA was isolated from blood samples and feathers. Two polymorphic sites were identified in intron 6: one near the splice donor site GT is called site H and the other near the splice acceptor site is called site B. Interestingly, the nucleotide changes of both these sites associate perfectly with theA andB alleles ofHaeIII polymorphism: theA allele with nucleotide A of site H and nucleotide T of site B; while theB allele with nucleotide G of site H and nucleotide G of site B. In this study, we have identified the molecular difference between allelesA andB of the pigeonLDHA gene. The difference at site H in intron 6 explains theHaeIII polymorphism. The frequencies ofLDHA AB andLDHA BB genotypes between the analysed groups differ significantly (P < 0.001); theLDHA A allele was more frequent in the groups of pigeons with elevated homing performance (P < 0.001). The functional difference may be due to the change at site B, the potential splice branch site. Since LDHA activity is associated with the homing ability, it is possible that during the process of selection for the homing ability, theLDHA A allele has been selected, and is more prevalent in the top-racing groups.

Key words

Columba livia var.domestica LDHA gene PCR-RFLP 

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Copyright information

© Institute of Plant Genetics, Polish Academy of Sciences, Poznan 2006

Authors and Affiliations

  • Andrzej Dybus
    • 1
  • Jacek Pijanka
    • 1
  • Yeong -Hsiang Cheng
    • 3
  • Fangmiin Sheen
    • 2
  • Wilhelm Grzesiak
    • 4
  • Magdalena Muszyńska
    • 1
  1. 1.Laboratory of Molecular CytogeneticsAgriculture UniversitySzczecinPoland
  2. 2.Taiwan Genome SciencesNan Kang District, TaipeiTaiwan, Republic of China
  3. 3.Department of Animal ScienceNational I-Lan UniversityTaiwan, Republic of China
  4. 4.Laboratory of BiostatisticsAgricultural University of SzczecinSzczecinPoland

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