Abstract
Understanding the mechanism of milk fat synthesis and secretion is important for dairy industry, as the nature of the cream fraction influences the manufacturing properties and organoleptic qualities of milk and dairy products. So, there is a need to understand the mechanism of milk fat synthesis and to elucidate the key genes regulating milk fat synthesis by studying the expression of genes involved in milk fat synthesis. Present manuscript reports the expression of genes involved in milk fat synthesis and metabolism in buffalo mammary tissue. The expression of lipogenic genes was studied in lactating and non-lactating mammary tissue of water buffalo by semi-quantitative reverse transcription PCR expression analysis. The genes studied were acetyl-CoA carboxylase (ACACA), stearoyl-CoA desaturase (SCD), 3 hydroxybutyrate dehydrogenase (BDH), LIPIN, lipoprotein lipase (LPL), peroxisome proliferator-activated receptor gamma (PPARG), and sterol regulatory element binding protein (SREBF). The expression of ACACA, BDH, LIPIN, PPARG, LPL, and SREBF was higher in lactating as compared to non-lactating buffalo whereas no difference was found in the expression of SCD between both the stages.
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