Zhonghua shi yan he lin chuang bing du xue za zhi = Zhonghua shiyan he linchuang bingduxue zazhi = Chinese journal of experimental and clinical virology · 2009
[Complete genome sequence analysis of Japanese encephalitis virus newly isolated in China].
Аннотация на английскомСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Xie Rong-Hui, Zhu Han-Ping, Fu Shi-Hong, Cheng Yin-Kai, Xu Fang, Yao Ping-Ping, Yang Zhang-Nv, Zhou Xiao-Long, Zhu Zhi-Yong
Аннотация
OBJECTIVE: To study the complete genome sequence of Japanese encephalitis virus (JEV) strain XJ69 isolated in ZheJiang province and explore its evolution.
METHODS: Overlapping primers were designed according to the full-length genomes from GenBank. RT-PCR was used to amplify the fragments and RT-PCR products were cloned T vector, sequenced and analyzed.
RESULTS: The genome of strain XJ69 and XJP613 were 10 964 nucleotides in length with a single open reading frame encoding 3432 amino acids. Comparison of the complete genome sequences of different JEV isolates showed XJ69 and XJP613 were 83.5%-99.2% and 83.4%-99.4% nucleotide sequence homology among them respectively, which resulted in 94.8%-99.7% amino acid sequence homology. Phylogenetic analysis through PrM/C,E and full-length genome showed that the XJ69 and XJP613 strain belonged to genotype I.
CONCLUSION: The nucleotitede sequence and deduced amino acid sequence of XJ69 and XJP613 strain were similar to that of those of genotype I of Japanese encephalitis virus. It belonged to genotype I and were close to the isolates SH17M-07.
METHODS: Overlapping primers were designed according to the full-length genomes from GenBank. RT-PCR was used to amplify the fragments and RT-PCR products were cloned T vector, sequenced and analyzed.
RESULTS: The genome of strain XJ69 and XJP613 were 10 964 nucleotides in length with a single open reading frame encoding 3432 amino acids. Comparison of the complete genome sequences of different JEV isolates showed XJ69 and XJP613 were 83.5%-99.2% and 83.4%-99.4% nucleotide sequence homology among them respectively, which resulted in 94.8%-99.7% amino acid sequence homology. Phylogenetic analysis through PrM/C,E and full-length genome showed that the XJ69 and XJP613 strain belonged to genotype I.
CONCLUSION: The nucleotitede sequence and deduced amino acid sequence of XJ69 and XJP613 strain were similar to that of those of genotype I of Japanese encephalitis virus. It belonged to genotype I and were close to the isolates SH17M-07.