›› 2018, Vol. 45 ›› Issue (5): 1127-1136.doi: 10.16431/j.cnki.1671-7236.2018.05.001

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Cloning and Bioinformatics Analysis of LPAR3 Gene in Buffalo

PANG Chunying1, LIANG Shasha1, MA Xiaoya1, DENG Tingxian1, LU Xingrong1, DUAN Anqin1, HUANG Yunqi2, LIANG Xianwei1   

  1. 1. Guangxi Key Laboratory of Buffalo Genetics, Breeding and Reproduction, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China;
    2. Shandong Agricultural University, Tai'an 271000, China
  • Received:2017-11-02 Online:2018-05-20 Published:2018-05-19

Abstract:

The study was aimed to clone and analyze the lysophosphatidic acid receptor 3 (LPAR3) gene of buffalo with bioinformatics method.The ovary was collected from buffalo,DNA samples was extracted and the primers were designed according to the sequence of the buffalo LPAR3 gene (GenBank accession No.:XM_006047539.1).And LPAR3 gene was cloned and analyzed by PCR amplification and bioinformatics softwares.The results showed that LPAR3 gene was 1 552 bp in length containing a CDS sequence of 1 062 bp that encoded 353 amino acids.Sequence homology analysis indicated that the buffalo LPAR3 showed 99.4%,98.9%,98.0%,88.6%,90.0%,90.3% and 91.2% identity with that of Bison bison,Bos taurus,Ovis aries,Sus scrofa,Equus caballus,Rousettus and Cercocebus atys,which was consistent with phylogenetic tree analysis.The formula of the LPAR3 protein was C1853H2878N476O486S31,and the molecular weight,theory isoelectric point,instability index and grand average of hydrophobicity was 40.59 ku,9.52,47.05 and 0.324,respectively,indicating that it was an alkaline unstable hydrophobic protein.There were 7 transmembrane domain but no signal peptide which showed it was a non-secretory protein.The secondary structure analysis showed that the percentage of α-helices,random coil and extended strand was 48.16%,41.36% and 10.48%,respectively.Protein subcellular localization analysis found that LPAR3 distributed in the plasma membrane (56.5%),endoplasmic reticulum (26.1%),vacuole (8.7%),Golgi apparatus (4.3%) and the nucleus (4.3%), and might play a role in the transport and combination,purines and pyrimidines of transporters and signal transduction.Thus,those results would lay a foundation for clarifying the mechanism of the gene performance in buffaloes.

Key words: buffalo; lysophosphatidic acid receptor 3 (LPAR3); gene cloning; bioinformatics

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