نتایج جستجو برای: vp7 molecular analysis
تعداد نتایج: 3325417 فیلتر نتایج به سال:
The deduced amino acid sequences of the outer capsid protein, VP7, of serotype G1 rotavirus clinical isolates collected over a 6 year period (1990-1995) in Melbourne, Australia, were examined. Phylogenetic analysis characterized the sequences into two discrete clusters representing two of the four global lineages of human G1 VP7 proteins. Antigenic characterization using a panel of serotype G1-...
Canine rotavirus was isolated from feces of a Korean Jindo dog with mild diarrhea, and the isolate was genetically characterized. Rotaviral antigen was detected in the feces using a commercial rotavirus antigen detection kit and cytopathic effects were observed in a cell line inoculated with the feces. The virus isolate (GC/KS05) was identified as subtype G3P[3] using reverse transcription poly...
We have investigated the use of soluble chimeric trimers of the major capsid protein VP7 of African horse sickness virus (AHSV) as a vaccine delivery system by targeting some of the natural hydrophilic loops on the VP7 top domain for the insertion of foreign peptides. Key to this trimer display strategy is the solubility of AHSV VP7 and how the solubility of this hydrophobic protein can be mani...
Assembly of the rotavirus outer capsid is the final step of a complex pathway. In vivo, the later steps include a maturational membrane penetration that is dependent on the scaffolding activity of a viral nonstructural protein. In vitro, simply adding the recombinant outer capsid proteins VP4 and VP7 to authentic double-layered rotavirus subviral particles (DLPs) in the presence of calcium and ...
Rotaviruses, major causes of childhood gastroenteritis, are nonenveloped, icosahedral particles with double-strand RNA genomes. By the use of electron cryomicroscopy and single-particle reconstruction, we have visualized a rotavirus particle comprising the inner capsid coated with the trimeric outer-layer protein, VP7, at a resolution (4 A) comparable with that of X-ray crystallography. We have...
BACKGROUND Rotaviruses cause diarrhea in infants and young children worldwide. Rotavirus outer capsid protein, VP7 is major neutralizing antigen that is important component of subunit vaccine to prevent rotavirus infection. Many efforts have been done to produce recombinant VP7 that maintain native characteristics. We used baculovirus expression system to produce rotavirus VP7 protein and to st...
Bluetongue virus (BTV) is an economically important Orbivirus transmitted by biting midges to domestic and wild ruminants. The need for new vaccines has been highlighted by the occurrence of repeated outbreaks caused by different BTV serotypes since 1998. The major group-reactive antigen of BTV, VP7, is conserved in the 26 serotypes described so far, and its role in the induction of protective ...
Bluetongue virus (BTV) is an arthropod-borne virus transmitted by Culicoides species to vertebrate hosts. The double-capsid virion is infectious for Culicoides vector and mammalian cells, while the inner core is infectious for only Culicoides-derived cells. The recently determined crystal structure of the BTV core has revealed an accessible RGD motif between amino acids 168 to 170 of the outer ...
In type 1 diabetes, insulin-producing beta cells in the islets of the pancreas are destroyed by autoreactive T cells. Rotavirus (RV) has been implicated in the pathogenesis of type 1 diabetes. Peptides in VP7, a major immunogenic protein of RV, have high sequence similarity to T cell epitope peptides in the islet autoantigens tyrosine phosphatase-like insulinoma Ag 2 (IA2) and glutamic acid dec...
Antigenic characterization of human rotaviruses by plaque reduction neutralization assay bas revealed four distinct serotypes. The outer capsid protein VP7, coded for by gene 8 or 9, is a major neutralization protein; however, studies of rotaviruses derived from genetic reassortment between two strains have confirmed that another outer capsid protein, VP3, is in some cases equally important in ...
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