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Haplotype diversity of the myostatin gene among beef cattlebreeds

Abstract

A total of 678 individuals from 28 European bovine breeds were both phenotyped and analysed at the myostatin locus by the Single Strand Conformation Polymorphism (SSCP) method. Seven new mutations were identified which contribute to the high polymorphism (1 SNP every 100 bp) present in this small gene; twenty haplotypes were described and a genotyping method was set up using the Oligonucleotide Ligation Assay (OLA) method. Some haplotypes appeared to be exclusive to a particular breed; this was the case for 5 in the Charolaise (involving mutation Q204X) and 7 in the Maine-Anjou (involving mutation E226X). The relationships between the different haplotypes were studied, thus allowing to test the earlier hypothesis on the origin of muscular hypertrophy in Europe: muscular hypertrophy (namely nt821(del11)) was mainly spread in different waves from northern Europe milk purpose populations in most breeds; however, other mutations (mostly disruptive) arose in a single breed, were highly selected and have since scarcely evolved to other populations.

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Correspondence to Susana Dunner.

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Dunner, S., Miranda, M.E., Amigues, Y. et al. Haplotype diversity of the myostatin gene among beef cattlebreeds. Genet Sel Evol 35, 103 (2003). https://doi.org/10.1186/1297-9686-35-1-103

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Keywords

  • muscular hypertrophy
  • myostatin gene
  • haplotype diversity
  • beef cattle breeds
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