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Meat derives from a muscle that undergoes a great number of biochemical and physiological changes. The anoxic condition established from the moment of animal sacrifice forces muscle cells to a sort of reaction, resulting in methodical programmed cell death to avoid necrosis. The duality autophagy and/or apoptosis is at the center of the scientific debate about the biological processes driving the muscle to meat conversion. Here we report an omic time course overview carried on proteome, phosphoproteome and metabolome of Piedmontese longissimus thoracis muscle searching for clues helping us to extricate through the dilemma. The survey depicts a progressive physiological impairing and our evidences push towards the apoptotic behavior: the proteomic time course trend of annexin A2, RKIP, HSPB6, αB crystalline, adenylate kinase, DJ-1 and 31 kDa actin fragment; the 0–1 day increased phosphorylation …
Publication date: 
1 Jul 2015

Valentina Longo, Alessandro Lana, Maria Teresa Bottero, Lello Zolla

Biblio References: 
Volume: 125 Pages: 29-40
Journal of proteomics