Beef is characterized by a high and uncontrolled variability of its
sensory attributes, especially
tenderness, which is one reason
forconsumerdissatisfaction.The
re is still no simple, reliable and
reproducible technique to predi
ct quality, which is a limitation
to the delivery of a consistent quality meat. Thus, identification
of markers of quality attributes is of major socio-economic
importance. Recently, we rep
orted that expression of
DNAJA1
was a negative tenderness marker. This study examines
DNAJA1
expression in bovine muscles having different meta-
bolic specificities during development and according to man-
agement factors. It should help to increase knowledge of
DNAJA1
expression, and to screen for live animals with
favourable muscle properties and potentially high-quality meat