Full-length coding sequences, polymorphism and chromosomal localizations of the porcine EDG4 and EDG7 genes

文献类型： 外文期刊

第一作者： Shan, T. L.

作者： Shan, T. L.;Li, K.;Tang, Z. L.;Yang, S. L.;Ma, Y. H.;Guan, W. J.;Shan, T. L.;Guo, D. Z.

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期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：2.316； 五年影响因子：2.357 ）

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收录情况： SCI

摘要： EDG4 and EDG7 are identified as cellular receptors for lysophosphatidic acid (LPA), belonging to the endothelial cell differentiation gene (EDG) family of G protein-coupled receptors (GPCR) which play an important role in the function of LPA. In this study, we presented the complete coding sequences of porcine EDG4 and EDG7 genes. The nucleotide sequences and the predicted protein sequences share high sequence identity with other mammals. Spatial expression analysis by reverse transcriptase-polymerase chain reaction (RT-PCR) revealed that porcine EDG4 and EDG7 genes are mainly expressed in brain, liver, spleen, lung, kidney, large intestine, small intestine, but absent in muscle tissues. Radiation hybrid mapping data indicated that EDG4 and EDG7 map to q2.1 of pig chromosome 2 (SSC2) and q2.6-3.2 of pig chromosome6 (SSC6), respectively. A T/C single nucleotide polymorphism (SNP) in the coding sequence of porcine EDG4 was identified. A PCR-restriction fragment length polymorphism (PCR-RFLP) method was employed to genotype this locus among Guizhou Miniature, Guangxi Miniature, Laiwu, Wuzhishan, Tongcheng, Landrace and Yorkshire pigs. The association analysis suggested that the EDG4 genotype was associated with carcass length (P < 0.05) and drip loss percentage (P < 0.05) in the experimental population consisting of Tongcheng, Landrace, Yorkshire and two crossbred porcine populations (Wang et al. Biochem Genet (1-2):51-62, 2007).

分类号： Q7

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