›› 2017, Vol. 29 ›› Issue (4): 618-624.DOI: 10.3969/j.issn.1004-1524.2017.04.15

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Cloning and bioinformatics analysis of MSTN gene of Tianzhu white yak

ZHANG Li, LIU Lixia, LI Qiangzi, CHEN Hong   

  1. College of Life Science and Engineering, Northwest University for Nationalities, Lanzhou 730030, China
  • Received:2016-09-26 Online:2017-04-20 Published:2017-04-27

Abstract: In order to elucidate the structure of MSTN gene, the complete MSTN gene sequence of Tianzhu white yak was amplified and analyzed through PCR, cloning, sequencing and the bioinformatics tools. The results showed that the sequence of MSTN gene was 1 128 bp in length and encoded 375 amino acids with a molecular weight of 42.55 ku and pI of 6.14. Bioinformatics prediction found that MSTN protein of Tianzhu white yak is unstable hydrophilic protein and mRNA secondary structure of minimum free energy is -1 135.16 kJ·mol-1. Protein secondary and tertiary structure were based on extended strand and random coil-based mixed-type protein. The results laid a foundation for further studying on the genetic characteristics and physiological mechanisms of MSTN.

Key words: Tianzhu white yak, MSTN gene, clone, bioinformatics

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