Imprinting analysis of porcine DIO3 gene in two fetal stages and association analysis with carcass and meat quality traits
文献类型: 外文期刊
第一作者: Qiao, Mu
作者: Qiao, Mu;Guo, Ling;Zhang, Peng-Peng;Li, Feng-E;Zheng, Rong;Deng, Chang-Yan;Qiao, Mu;Guo, Ling;Zhang, Peng-Peng;Li, Feng-E;Zheng, Rong;Deng, Chang-Yan;Qiao, Mu;Wu, Hua-Yu;Mei, Shu-Qi;Wu, Hua-Yu;Mei, Shu-Qi
作者机构:
关键词: Porcine fetus;DIO3;Imprinting;Association analysis;Real-time PCR
期刊名称:MOLECULAR BIOLOGY REPORTS ( 影响因子:2.316; 五年影响因子:2.357 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Imprinted genes play important roles in mammalian growth, development and behavior. In this study, we obtained 1568 bp mRNA sequence of porcine DIO3 (deiodinase, iodothyronine, type III), and also identified its imprinting status during porcine fetal development. The complete open reading frame (ORF) encoding 278 amino acids. The porcine DIO3 mRNA was expressed predominantly in backfat, mildly in liver, uterus, kidney, heart, small intestine, muscle and stomach, and almost absent in spleen and lung. A single nucleotide polymorphism in exon (A/C-687) was used to investigate the allele frequencies in different pig breeds and the imprinting status in porcine embryonic tissues. The results indicate that DIO3 was imprinted in all the tested tissues. Statistical analysis showed the DIO3 gene polymorphism was significantly associated with almost all the fat deposition and carcass traits, including lean meat percentage (LMP), fat meat percentage (FMP), ratio of lean to fat (RLF), shoulder fat thickness (SFT), sixth-seventh rib fat thickness (RFT), buttock fat thickness (BFT), loin eye area (LEA), and intramuscular fat (IMF).
分类号: Q7
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