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Id: biblio-1223233
Autor: Zeng, Jie; Zhou, Shiwei; Yang, Yuxin; Du, Junli; Kang, Danju; Wang, Xiaolong; Chen, Yulin.
Título: Effect of dietary nutrition on tail fat deposition and evaluation of tail-related genes in fat-tailed sheep
Fonte: Electron. j. biotechnol;46:30-37, jul. 2020. tab, graf.
Idioma: en.
Projeto: Tan Sheep Breeding Project of Ningxia; . China Agriculture Research System.
Resumo: BACKGROUND: The effects of dietary nutrition on tail fat deposition and the correlation between production performance and the Hh signaling pathway and OXCT1 were investigated in fat-tailed sheep. Tan sheep were fed different nutritional diets and the variances in tail length, width, thickness and tail weight as well as the mRNA expression of fat-related genes (C/EBPα, FAS, LPL, and HSL) were determined in the tail fat of sheep at three different growth stages based on their body weight. Furthermore, the correlations between tail phenotypes and the Hedgehog (Hh) signaling pathway components (IHH, PTCH1, SMO, and GLI1) and OXCT1 were investigated. RESULTS: C/EBPα, FAS, LPL, and HSL were expressed with differences in tail fat of sheep fed different nutritional diets at three different growth stages. The results of the two-way ANOVA showed the significant effect of nutrition, stage, and interaction on gene expression, except the between C/EBPα and growth stage. C/EBPα, FAS, and LPL were considerably correlated with the tail phenotypes. Furthermore, the results of the correlation analysis demonstrated a close relationship between the tail phenotypes and Hh signaling pathway and OXCT1. CONCLUSIONS: The present study demonstrated the gene-level role of dietary nutrition in promoting tail fat deposition and related tail fat-related genes. It provides a molecular basis by which nutritional balance and tail fat formation can be investigated and additional genes can be identified. The findings of the present study may help improve the production efficiency of fat-tailed sheep and identify crucial genes associated with tail fat deposition.
Descritores: Cauda/metabolismo
Ovinos/genética
Tecido Adiposo
Dieta
-Fenótipo
RNA Mensageiro
Coenzima A-Transferases
Expressão Gênica
Distribuição da Gordura Corporal
Adipogenia
Lipogênese/genética
Proteínas Hedgehog/genética
Reação em Cadeia da Polimerase em Tempo Real
Limites: Animais
Responsável: CL1.1 - Biblioteca Central



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