陆川猪PTTG1基因克隆及序列分析

doi:10.16431/j.cnki.1671-7236.2016.09.002

Abstract

Abstract:

This experiment was aimed to clone PTTG1 gene CDS sequence of Luchuan pig,and was analyzed by bioinformatics methods.A pair of special primers was designed according to predicted sequence of porcine PTTG1 in GenBank.The coding sequence of PTTG1 in Luchuan pig was amplified by RT-PCR,its gene sequence characteristics and protein structure was systemically analyzed by bioinformatics techniques.The results showed that the cloned PTTG1 fragment included a 609 bp CDS (coding 202 amino acids).The sequence multi-aligned results showed that Luchuan pig shared 90.15%,87.85%,87.52%,87.03%,76.03%,74.38%,55.74% and 44.48% of similar nucleotide sequence with that of Bos,Pan troglodytes,Homos,Macaca,Rattus,Mus,Gallus and Danio retio,respectively.The protein structure analysis results showed that the protein attributed hydrophilic protein without signal peptide,localized in cell cytoplasm and had 16 phosphorylation sites.The phylogentic tree of amino acid indicated that PTTG1 was highly conserved in the process of evolution of different species.The cloning and analysis of PTTG1 gene provided an important foundation for further study biological function of porcine PTTG1 during early embryonic development.

Key words: Luchuan pig; PTTG1 gene; cloning; sequence analysis

CLC Number:

Q785

QIN Zhao-xian, NONG Su-qun, GUAN Zhi-hui, LIANG Dan, QIN Qian, LAN Xi, PAN Tian-biao, XIE Bing-kun. Cloning and Sequence Analysis of PTTG1 Gene in Luchuan Pig[J]. , 2016, 43(9): 2223-2229.

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Cloning and Sequence Analysis of PTTG1 Gene in Luchuan Pig

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