Reference : A Deletion in the Bovine Myostatin Gene Causes the Double-Muscled Phenotype in Cattle
Scientific journals : Article
Life sciences : Veterinary medicine & animal health
http://hdl.handle.net/2268/34402
A Deletion in the Bovine Myostatin Gene Causes the Double-Muscled Phenotype in Cattle
English
Grobet, L. [> >]
Martin, L. J. [> > > >]
Poncelet, D. [> >]
Pirottin, Dimitri mailto [Université de Liège - ULg > Département de productions animales > Génomique animale >]
Brouwers, B. [> >]
Riquet, J. [> > > >]
Schoeberlein, A. [> > > >]
Dunner, S. [> > > >]
Menissier, F. [> > > >]
Massabanda, J. [> > > >]
Fries, R. [> > > >]
Hanset, R. [> > > >]
Georges, Michel mailto [Université de Liège - ULg > Département de productions animales > Génomique animale >]
1997
Nature Genetics
17
1
71-74
Yes
International
1061-4036
[en] An exceptional muscle development commonly referred to as 'double-muscled' (Fig. 1) has been seen in several cattle breeds and has attracted considerable attention from beef producers. Double-muscled animals are characterized by an increase in muscle mass of about 20%, due to general skeletal-muscle hyperplasia-that is, an increase in the number of muscle fibers rather than in their individual diameter. Although the hereditary nature of the double-muscled condition was recognized early on, the precise mode of inheritance has remained controversial; monogenic (domainant and recessive), oligogenic and polygenic models have been proposed. In the Belgian Blue cattle breed (BBCB), segregation analysis performed both in experimental crosses and in the outbred population suggested an autosomal recessive inheritance. This was confirmed when the muscular hypertrophy (mh) locus was mapped 3.1 cM from microsatellite TGLA44 on the centromeric end of bovine chromosome 2 (ref. 5). We used a positional candidate approach to demonstrate that a mutation in bovine MSTN, which encodes myostatin, a member of the TGF beta superfamily, is responsible for the double-muscled phenotype. We report an 11-bp deletion in the coding sequence for the bioactive carboxy-terminal domain of the protein causing the muscular hypertrophy observed in Belgian Blue cattle.
Researchers ; Professionals
http://hdl.handle.net/2268/34402
10.1038/ng0997-71

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