PMID: 16642221Apr 28, 2006Paper

Comparison of nucleotide and deduced amino acid sequences of E gene of the newly isolated Japanese encephalitis virus strains and inactivated vaccine strain P3

Zhonghua shi yan he lin chuang bing du xue za zhi = Zhonghua shiyan he linchuang bingduxue zazhi = Chinese journal of experimental and clinical virology
Huanyu Wang, Guodong Liang

Abstract

To analyze the difference of nucleotides and deduced amino acids sequences E gene between the newly isolated Japanese encephalitis (JE) virus strains from mosquitoes or patients and P3 strain. The E gene sequences of corresponding strains of JE virus were obtained from GenBank. Computer analyze of nucleic acid data and deduced amino acid sequence were accomplished using the Clustal X (1.8), DNASTAR, GENEDOC (3.2) programs. The result showed that compared with the Fujian strains and P3 strain the nucleotide sequence homology was up to 98.3%, and the amino acid sequence homology was up to 98.2%, respectively. Compared with the Shanghai strains and P3 strain, the nucleotide sequence differences were 12%, and the amino acid sequence homology was up to 98.2%, respectively. Compared with P3 strain, there were nineteen amino acid variations in E gene of all the newly isolated strains. Between P3 and all the newly isolated JE virus strains, there are three common variations at E-129, E-222, E-366. And two common variations E-160 and E-487 were found only in Fujian strains, common variations at E-129, E-222, E-227, E-366 in Shanghai strains. There are some differences between P3 strain and JE viruses which were isolated from mosquitoes ...Continue Reading

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