نتایج جستجو برای: feline calicivirus
تعداد نتایج: 8362 فیلتر نتایج به سال:
Two neutralizing monoclonal antibodies (MAbs) against canine calicivirus (CaCV), which has a distinct antigenicity from feline calicivirus (FCV), were obtained. Both MAbs recognized conformational epitopes on the capsid protein of CaCV and were used to identify these epitopes. Neutralization-resistant variants of CaCV were selected in the presence of individual MAbs in a cell culture. Cross-neu...
Feline calicivirus (FCV) protease functions to cleave viral precursor proteins during productive infection. Previous studies have mapped a protease-coding region and six cleavage sites in viral precursor proteins. However, how the FCV protease interacts with its substrates remains unknown. To gain insights into the interactions, we constructed a molecular model of the FCV protease bound with th...
The RNA genome of the vaccine strain 2024 of feline calicivirus was cloned as cDNA and analyzed by nucleotide sequencing. A full-length DNA copy of the viral genome was established and proved to be a source of infectious cRNA after in vitro transcription and RNA transfection. Virus could also be recovered when the DNA construct was introduced into cells containing phage T7 RNA polymerase that w...
OBJECTIVE To evaluate the effect of a disinfectant onto viruses in suspension on the one hand and applied onto a surface on the other. METHODS A system combining flocked swabs to recover viruses dried onto stainless steel carriers and gel filtration to eliminate cytotoxic products has been developed to study the virucidal effect of a quaternary ammonium-based disinfectant towards herpes simpl...
Korean red ginseng has been studied various biological activities such as immune, anti-oxidative, anti-microbial, and anticancer activities but antiviral mechanism needs further studies. In this study, we aimed to examine the antiviral effects of Korea red ginseng extract and ginsenosides on norovirus surrogate, including murine norovirus (MNV) and feline calicivirus (FCV). We evaluated the pre...
Feline calicivirus (FCV) strains can show significant antigenic variation when tested for cross-reactivity with antisera produced against other FCV strains. Previous work has demonstrated the presence of hypervariable amino acid sequences in the capsid protein of FCV (designated regions C and E) that were postulated to constitute the major antigenic determinants of the virus. To examine the inv...
We report the solution structures of the VPg proteins from feline calicivirus (FCV) and murine norovirus (MNV), which have been determined by nuclear magnetic resonance spectroscopy. In both cases, the core of the protein adopts a compact helical structure flanked by flexible N and C termini. Remarkably, while the core of FCV VPg contains a well-defined three-helix bundle, the MNV VPg core has ...
Vaccination can provide an immune response that is similar in duration to that following a natural infection. In general, adaptive immunity to viruses develops earliest and is highly effective. Such anti-viral immune responses often result in the development of sterile immunity and the duration of immunity (DOI) is often lifelong. In contrast, adaptive immunity to bacteria, fungi or parasites d...
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