Abstract
Goose is important meat poultry and its growth and development has always been the focus of attention, but the regulation mechanisms of genes and gene network underlying growth and development of goose are still unclear. Three males of large-size Shitou goose and three males of small size Wuzong goose at 5 weeks of age were used for transcriptome analysis with deep sequencing. After slaughter, their pituitary gland was taken for RNA-seq. A total of 290 DEGs were identified by fold change ≥2 and false discovery rate (FDR) <0.05, where there were 148 upregulated genes and 142 downregulated genes in Shitou goose compared to Wuzong goose. Results also showed that the DEGs related to insulin signaling pathway could increase protein synthesis and fat production, and the interaction network of DEGs was mainly related to development, endocrine system, inflammatory diseases, tissue damage and abnormality. The DEGs involved in the growth and function of the pituitary organs may regulate the growth and development of the body by affecting the synthesis and secretion of pituitary hormones. The results of this study will help to understand the regulatory mechanism of goose growth and development.
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