نتایج جستجو برای: vp7 structure protein
تعداد نتایج: 2610132 فیلتر نتایج به سال:
Background and Aims: In humans the group A rotaviruses are associated with endemic diarrhea in children under the age of 5, leading to approximately 800,000 deaths every year. Introduction of rotavirus vaccines into childhood immunization programs can contribute to substantial reduction in mortality from rotavirus gastroenteritis in developing countries and virtually eliminating hospitalization...
Alphavirus-based expression vectors commonly use a duplicated 26S promoter to drive expression of a foreign gene. Here we describe an expression strategy in which the foreign sequences are linked to the gene encoding the 2A protease of foot-and-mouth disease virus and then inserted in frame between the capsid and E3 genes of Sindbis virus. During replication, the 2A fusion protein is synthesize...
background and aims: in humans the group a rotaviruses are associated with endemic diarrhea in children under the age of 5, leading to approximately 800,000 deaths every year. introduction of rotavirus vaccines into childhood immunization programs can contribute to substantial reduction in mortality from rotavirus gastroenteritis in developing countries and virtually eliminating hospitalization...
Antibodies that neutralize rotavirus infection target outer coat proteins VP4 and VP7 and inhibit viral entry. The structure of a VP7-Fab complex (S. T. Aoki, et al., Science 324:1444-1447, 2009) led us to reclassify epitopes into two binding regions at inter- and intrasubunit boundaries of the calcium-dependent trimer. It further led us to show that antibodies binding at the intersubunit bound...
The effects of protease digestion on the polypeptide composition and on the infectivity of striped bass virus, an aquareovirus, were examined. Both trypsin and chymotrypsin enhanced the infectivity of the virus. Enhancement of infectivity was correlated with the digestion of the outer capsid protein, VP7. These studies support the assertion that VP7 is the outermost capsid protein and suggest t...
The synthesis and oligosaccharide processing of the glycoproteins of SA11 rotavirus in infected Ma104 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...
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 ...
The importance of VP7 of bluetongue virus (BTV) in the binding of BTV to membrane proteins of the BTV vector Culicoides variipennis was investigated. Core BTV particles, prepared from whole viruses, lacked outer proteins VP2 and VP5 and had VP7 exposed. More core particles and whole viruses bound to membrane preparations of adults of C. variipennis and KC cells, which were cultured from this ve...
Rotavirus, a non-enveloped reovirus, buds into the rough endoplasmic reticulum and transiently acquires a membrane. The structural glycoprotein, VP7, a 38-kD integral membrane protein of the endoplasmic reticulum (ER), presumably transfers to virus in this process. The gene for VP7 potentially encodes a protein of 326 amino acids which has two tandem hydrophobic domains at the NH2-terminal, eac...
The outer capsid proteins VP4 and VP7 of group A rotaviruses are both targets of neutralizing antibody produced following natural infection in humans. Of interest is the relative importance and immunodominance of each protein in the generation of a protective immune response. In order to measure neutralizing antibody responses to VP4 and VP7 separately, reassortants bearing VP4 of each of the m...
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