Double muscling in cattle due to mutations in the myostatin gene

Alexandra C. McPherron, Se Jin Lee

Research output: Contribution to journalArticle

Abstract

Myostatin (GDF-8) is a member of the transforming growth factor β superfamily of secreted growth and differentiation factors that is essential for proper regulation of skeletal muscle mass in mice. Here we report the myostatin sequences of nine other vertebrate species and the identification of mutations in the coding sequence of bovine myostatin in two breeds of double-muscled cattle, Belgian Blue and Piedmontese, which are known to have an increase in muscle mass relative to conventional cattle. The Belgian Blue myostatin sequence contains an 11-nucleotide deletion in the third exon which causes a frameshift that eliminates virtually all of the mature, active region of the molecule. The Piedmontese myostatin sequence contains a missense mutation in exon 3, resulting in a substitution of tyrosine for an invariant cysteine in the mature region of the protein. The similarity in phenotypes of double-muscled cattle and myostatin null mice suggests that myostatin performs the same biological function in these two species and is a potentially useful target for genetic manipulation in other farm animals.

Original languageEnglish (US)
Pages (from-to)12457-12461
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume94
Issue number23
DOIs
StatePublished - Nov 11 1997

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Myostatin
Mutation
Genes
Exons
Growth Differentiation Factors
Domestic Animals
Transforming Growth Factors
Missense Mutation
Cysteine
Tyrosine
Vertebrates
Skeletal Muscle
Nucleotides
Phenotype
Muscles

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Double muscling in cattle due to mutations in the myostatin gene. / McPherron, Alexandra C.; Lee, Se Jin.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 94, No. 23, 11.11.1997, p. 12457-12461.

Research output: Contribution to journalArticle

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