“…In addition to the GO analysis, KEGG pathway enrichment analysis was also used to further elucidate the putative functions of these DEPs. These results demonstrated that down-regulated proteins in yellow skin were mainly involved in the oxidative phosphorylation (53/142), carbon metabolism (33/142), cardiac muscle contraction (22/142), biosynthesis of amino acids (14), fatty acid metabolism (13), calcium signaling pathway (13), fatty acid degradation (13), citrate cycle (13), necroptois (12), propanoate metabolism (12), valine, leucine and isoleucine degradation (12), glycolysis/gluconeogenesis (11), adrenergic signaling in cardiomyocytes (11), cysteine and methionine metabolism (10), purine metabolism (two), biosynthesis of unsaturated fatty acids (8), beta-Alanine metabolism (eight), butanoate metabolism (eight), tryptophan metabolism (eight), cellular senescence (eight), lysine degradation (eight), starch and sucrose metabolism (eight), and fatty acid elongation (eight) (Figure 6A). In addition, the up-regulated proteins in yellow skin were enriched in the phagosome (5/21), lysosome (five), focal adhesion (three), salmonella infection (three), adrenergic signaling in cardiomyocytes (three), cardiac muscle contraction (three), apoptosis (three), mitophagy (two), and MAPK signaling pathway (one) (Figure 6A).…”