Genes involved in
apoptosis
(
DNAJA1, HSPA8
) or genes
belonging to the family of
Heat Shock Protein
(
HSPCA,
HSPD1
...) were down
‐
regulated in
ST muscle
giving
tender beef but their
expressions were not
correlated with WB value
In Livestock species and more particularly in cattle,
meat tenderness is a major factor to help producers to
give value to their animals but also to satisfy the consumers. Although there is no genomic selection yet in
beef cattle to meet these expectations, many researches have been conducted to get a better
understanding of the physiological processes underlying meat tenderness and so to identify genes related
to this trait.