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Asian Journal of Animal and Veterinary Advances
Year: 2013  |  Volume: 8  |  Issue: 3  |  Page No.: 519 - 526

Genetic Phylogenetic Analysis of PRRSV ORF5 Gene Based on a Geometrical Tool

Hua Tang, Xin-Sheng Liu, Yu-Zhen Fang, Li Pan, Zhong-Wang Zhang, Peng Zhou, Jian-Liang Lv, Shou-Tian Jiang, Wen-Fa Hu, Pan Zhang, Yong-Guang Zhang and Yong-Lu Wang    

Abstract: The Z-curve is a geometrical tool for visualizing and comparing genomes. Since, the curve contains the information carried by the given sequence, DNA sequences could be analyzed systematically. In this study, the ORF5 gene of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) was analyzed by the Z-curve method and the DNAstar (DNASTAR Inc.) computer programs. The results revealed by these two methods were identical. The phylogenetic tree is more digitized and the Z-curve method is more picturesque. It turned out to be that, the Z-curve method shows a widely application prospect in phylogenetic relationships analysis. However, the Z-curve method is still in its premature stage. Novel algorithms are expected to be exploited to extract more information involved in the Z-curves.

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