نتایج جستجو برای: vp7
تعداد نتایج: 637 فیلتر نتایج به سال:
The genome segment 7 of two Indian isolates of bluetongue virus (BTV) from Avikanagar (BTV-1-western India) and Hyderabad (BTV-Untyped Hyderabad-southern India) was amplified by RT-PCR using two sets of VP7 specific primers. A sequence of 1137 bp comprising the complete coding sequence of the VP7 gene from Avikanagar isolate and a 1154 bp full-length sequence from BTV-UT Hyderabad isolate were ...
Rotavirus B (RVB) is an important swine pathogen, but control and prevention strategies are limited without an available vaccine. To develop a subunit RVB vaccine with maximal effect, we characterized the amino acid sequence variability and predicted antigenicity of RVB viral protein 7 (VP7), a major neutralizing antibody target, from clinically infected pigs in the United States and Canada. We...
Objective: The aim of the present study was to characterize 24 isolates of group C rotavirus (RV-C) by analysis of DNA sequences of the VP4, VP6, VP7 and NSP4 genes of several Brazilian states. Methods: All RV-C strains were confirmed by polyacrylamide gel electrophoresis and were characterized by sequence and phylogenetic analysis of the genes encoding NSP4, VP6, VP4, and VP7 proteins. Results...
A novel rotavirus strain (Dhaka6) isolated from a 21-year-old Bangladeshi male patient was characterized by sequence analysis of its VP7 and VP4 gene segments. Phylogenetic analysis of the VP7 gene of the Dhaka6 strain revealed a common evolutionary lineage with porcine G11 rotavirus strains. This isolate is the first reported G11 rotavirus strain infecting a human host. Comparison of the VP4 g...
Two distinct subtypes of human rotavirus serotype 4 were identified by using neutralizing monoclonal antibodies directed to the major outer capsid glycoprotein, VP7, of strains ST3 (subtype 4A) and VA70 (subtype 4B). Specimens containing serotype 4 rotavirus, obtained from different countries, were examined for subtyping by using solid-phase immune electron microscopy, enzyme-linked immunosorbe...
The synthesis and oligosaccharide processing of the glycoproteins of SA11 rotavirus in infected Mal04 cells was examined. Rotavirus assembles in the rough endoplasmic reticulum (RER) and encodes two glycoproteins: VP7, a component of the outer viral capsid, and NCVP5, a nonstructural protein. A variety of evidence suggests the molecules are limited to the ER, a location consistent with the high...
Rotavirus is the leading causative agent of severe diarrhea among children.1 The rotavirus genome consists of 11 double-stranded RNA (dsRNA) segments enclosed in a double-shelled capsid. The outer shell is composed of a major glycoprotein (vp7), which defines the rotavirus serotype specificity. Nucleotide sequence analysis of vp7 cDNAs from different isolates indicates the presence of variable ...
G3 rotaviruses have been reported rarely in cattle, and none have been characterized. We report the first genomic characterization of a bovine G3 rotavirus, CP-1, which had been biologically characterized in vivo and shown to cause age-independent diarrhea. CP-1 was a G3 rotavirus as its VP7 had 92 to 96% deduced amino acid identity to those of G3 rotaviruses. However, initially, CP-1 was ident...
Between 1998 and 2000, a total of 266 samples were found positive for group A rotaviruses by RNA electrophoresis. Samples were collected from patients admitted to two leading hospitals in Calcutta. Serotyping could be done only with 22% of the positive samples, leaving 78% untypeable. The G (VP7 genotypes) and P (VP4 genotypes) types were determined for 159 samples by reverse transcription and ...
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