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© Research
Publication : Biochemical and biophysical research communications

Fast and slow chicken skeletal muscles contain different alpha and beta tropomyosins

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Biochemical and biophysical research communications - 14 Jan 1983

Kardami E, Montarras D, Fiszman M

Link to Pubmed [PMID] – 6838505

Biochem. Biophys. Res. Commun. 1983 Jan;110(1):147-54

Avian tropomyosin has been purified from fast skeletal muscles (breast muscle and posterior latissimus dorsi : PLD) and from a slow skeletal muscle (anterior latissimus dorsi : ALD) and the alpha and beta subunits have been further separated using preparative gel electrophoresis. These subunits have been subjected to partial proteolysis using different proteolytic enzymes. In this communication we show that this procedure allows to distinguish not only between fast and slow alpha tropomyosin but also between fast and slow beta tropomyosin. Furthermore we have raised an antiserum against the fast alpha tropomyosin and we present evidence to show that this antiserum does not cross-react with the slow alpha tropomyosin. These results are taken to indicate that all these tropomyosin subunits represent different gene products.

http://www.ncbi.nlm.nih.gov/pubmed/6838505