›› 2013, Vol. 40 ›› Issue (2): 126-129.

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Cloning and Sequence Analysis of Mitochondrial D-loop Gene in Chinese Hamster

SONG Guo-hua1, CHEN Chao-yang1, PANG Wen-biao1, GAO Ji-ping1, YUE Wen-bin2   

  1. 1. Laboratory Animal Center, Shanxi Medical University, Taiyuan 030001, China;
    2. College of Animal Science and Technology, Shanxi Agricultural University, Taigu 030801, China
  • Received:2012-08-20 Online:2013-02-20 Published:2013-02-06

Abstract: The primer was designed according to the closest animal published partial sequences, the PCR products were sequenced and determined. Combined with the known D-loop region sequence of other rodents,nucleotide composition were analyzed with DNAStar and genetic distance was analyzed with MEGA 4.1. The phylogenetic tree was constructed by neighbor-joining methods (NJ) and minimum-evolution methods (ME). The D-loop sequence of Chinese hamster had 867 bp, the nucleotide composition were relatively T(31.49%), C(26.07%), A(29.53%), and G(12.92%). The different clustering methods all showed a similar result. Chinese hamsters had the closest relationship with golden hamsters, but had relatively large difference from mice and rats, basically consistent with the traditional taxonomic status. D-loop gene might be genetic marker among species. The results of this study might be of importance for studies on evolution,structure and function of the mitochondria in Chinese hamsters.

Key words: Chinese hamster; mitochondrial DNA; D-loop gene; phylogenetic relationship

CLC Number: