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Articles list with the same subject [genotype] of Virologica Sinica
Hubei Province is a major epidemic area of severe fever with thrombocytopenia syndrome bunyavirus (SFTSV) in China. However, to date, a few SFTSV strains have been isolated from Hubei Province, preventing effective studies of epidemic outbreaks. Here, we report three confirmed patients (2015-2016) ..., Abstract
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Crimean-Congo hemorrhagic fever virus (CCHFV) is a highly pathogenic tick-borne virus with a fatality rate of up to 50% in humans. CCHFV is widely distributed in countries around the world. Outbreaks of CCHFV infection in humans have occurred in prior years in Xinjiang Province, China. ..., Abstract
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The complete nucleotide sequence of the measles virus strain IMB-1, which was isolated in China, was determined. As in other measles viruses, its genome is 15,894 nucleotides in length and encodes six proteins. The full-length nucleotide sequence of the IMB-1 isolate differed from vaccine strains ..., Abstract
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The Cydia pomonella granulovirus (CpGV) has been used for many years as biological agent for codling moth control in apple orchards. Resistance to the Mexican strain of CpGV was detected in orchards in Germany, France and Italy. A laboratory insect colony was started from insects collected in a ..., Abstract
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An isolate of the Spodoptera frugiperda multiple nucleopolyhedrovirus comprises a stable proportion of deletion genotypes (e.g., SfNIC-C), that lack pif1 and pif2 rendering them noninfectious per os, and that survive by complementation with a complete genotype (SfNIC-B) in coinfected cells. To ..., Abstract
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Enterovirus 71 (EV71) is a common cause of Hand, foot, and mouth disease (HFMD) and may also cause severe neurological diseases, such as encephalitis and poliomyelitis-like paralysis. To examine the genetic diversity of EV71, we determined and analyzed the complete VP1 sequences (891 nucleotides) ..., Abstract
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To investigate the distribution of Hepatitis B virus (HBV) genotypes among the population of Dai nationality in Xishuangbanna, Yunnan Province HBV genotypes of the Serum samples were tested by PCR-RFLP. This is the first time to discover the B+E genotypes in China. This finding provides new ..., Abstract
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The complete nucleotide sequence of the mumps virus SP, which was isolated in China, was determined. As with other mumps viruses, its genome was 15 384 nucleotides (nts) in length and encoded seven proteins. The full-length nucleotide sequence of the SP isolate differed from other strains by 4% ..., Abstract
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To investigate the distribution of hepatitis B virus (HBV) genotypes and subgenotypes among the Bai nationality in Dali, a total of 100 serum samples from patients with chronic HBV-infection were collected for the detection of HBV genotypes and subgenotypes by genotype-specific primers and ..., Abstract
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Phylogenetic methods have been widely used to detect the evolution of influenza viruses. However, previous phylogenetic studies of influenza viruses do not make full use of the genetic information at the protein level and therefore cannot distinguish the subtle differences among viral genes. ..., Abstract
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The objective of this study was to identify and analyze genotype distribution and genetic variation of Hepatitis E virus(HEV) isolated in Nanjing,China.RT-nPCR based on universal primers for multiple HEV genotypes was used to detect HEV RNA in 40 samples collected from patients with acute sporadic ..., Abstract
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Epidemiological characteristics of Hepatitis B virus in population in Xianning of Hubei province were investigated by ELISA, conventional PCR detection as well as specific genotyping system by PCR. Blood specimens were detected by ELISA and conventional PCR, the results indicated that 177(11.1%) of ..., Abstract
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To investigate HIV genotypes isolated from blood donors in Beijing, the samples positive for anti-HIV antibody with ELISA were confirmed by HIV blot. All 26 samples were confirmed positive for anti-HIV antibody. RNA from those samples were detected with RT-PCR. 20 of them were positive for HIV RNA. ..., Abstract
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To investigate Hepatitis E virus,(HEV) infection in swine in Xinjiang and the extent of genetic variation among Chinese swine HEV strains, seventy pig fecal samples from an anti-HEV positive farm in Xinjiang were tested for the presence of HEV RNA by reverse transcription nested polymerase chain ..., Abstract
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To study the distribution characteristics of Hepatitis B virus (HBV) genotypes in groups of the Zhuang nationality of Baishe in Guangxi, the PCR sandwich hybridization-ELISA technique was used to determine the genotypes in 30 patinets of Zhuang nationality with hepatitis B. Geontype B, C, D and non ..., Abstract
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In order to analyze HEV genotypes isolated from sporadic acute hepatitis E in Shanghai,
HEV RNAs were detected with RT—nPCR and the positive PCR products were cloned and sequenced
The genotypes of the isolated sequences were analyzed with the molecular biological software.The re— ..., Abstract
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Abstract:According tO Genebank sofeware of HV.the type-specific primers were desisgned cori-~s—
pording tO the conserved sequences in the GI region of M genomic segment of HV.A reverse—transcrip—
tion heminested polymerase chain reaction for HV was developed.Then.RT-heminested PCR ..., Abstract
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In order to investigate HBV genotype and variants from the blood donors positive for both HbsAg and anti HBs antibody,389 sera from HBsAg positive blood donors were tested for anti HBs antibody with RIA assay.The sera positive for both HbsAg and anti HBs were tested for HBV DNA with polymerase ..., Abstract
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ORF3 and partial ORF1 regions were amplified with RT-PCR from ta~vo patients(T1 and
TII)infected with new genotype of hepatitis E Virus.The PCR products were cloned and sequenced
The results showed that G-C rich region in ORF3 was deleted when amplified with norrflal PCR reac—
tion ..., Abstract
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Seven distinct genotypes were isolated from wild type Helicoverpa armigera single nucleocapsid NPV (HaSNPV W)by low mortality dose infection of 3rd instar H.armigera and progency viral DNAs extracted from individual cadaver were analysed by endonucleases.Each of the 7 genotypes had different EcoRI ..., Abstract
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