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Skeletal muscle proteomics in livestock production

Abstract : Proteomics allows studying large numbers of proteins, including their post-translational modifications. Proteomics has been, and still are, used in numerous studies on skeletal muscle. In this article, we focus on its use in the study of livestock muscle development and meat quality. Changes in protein profiles during myogenesis are described in cattle, pigs and fowl using comparative analyses across different ontogenetic stages. This approach allows a better understanding of the key stages of myogenesis and helps identifying processes that are similar or divergent between species. Genetic variability of muscle properties analysed by the study of hypertrophied cattle and sheep are discussed. Biological markers of meat quality, particularly tenderness in cattle, pigs and fowl are presented, including protein modifications during meat ageing in cattle, protein markers of PSE meat in turkeys and of post-mortem muscle metabolism in pigs. Finally, we discuss the interest of proteomics as a tool to understand better biochemical mechanisms underlying the effects of stress during the pre-slaughter period on meat quality traits. In conclusion, the study of proteomics in skeletal muscles allows generating large amounts of scientific knowledge that helps to improve our understanding of myogenesis and muscle growth and to control better meat quality.
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Submitted on : Sunday, May 31, 2020 - 5:19:01 AM
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Brigitte B. Picard, Cécile Berri, Louis L. Lefaucheur, Caroline Molette, Thierry Sayd, et al.. Skeletal muscle proteomics in livestock production. Briefings in Functional Genomics and Proteomics, 2010, 9 (3), pp.259-278. ⟨10.1093/bfgp/elq005⟩. ⟨hal-02664698⟩



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