نتایج جستجو برای: foot and mouth disease vius
تعداد نتایج: 17065657 فیلتر نتایج به سال:
In the present article we examine clonality in virus evolution. Most viruses retain an active recombination machinery as a potential means to initiate new levels of genetic exploration that go beyond those attainable solely by point mutations. However, despite abundant recombination that may be linked to molecular events essential for genome replication, herein we provide evidence that generati...
We have designed a peptide-based vaccine for foot-and-mouth disease (FMD) effective in swine. The peptide immunogen has a G-H loop domain from the VP1 capsid protein of foot-and-mouth disease virus (FMDV) and a novel promiscuous T helper (Th) site for broad immunogenicity in multiple species. The G-H loop VP1 site was optimised for cross-reactivity to FMDV by the inclusion into the peptide of c...
Variations in foot and mouth disease virus are due to amino acid substitutions in the VP1, which is a major immunogen. Analysis of this hypervariable region is essential to know the antigenic structure of the serotype and is necessary to select a suitable vaccine strain. FMDV type A22 is one of the four prevailing virus types for which the vaccine is used regularly. To understand the antigenic ...
Previously, we finely mapped the neutralizing epitopes recognized by foot-and-mouth disease virus (FMDV) type Asia1-specific mAb 3E11 and FMDV type O-specific mAb 8E8. In this study, we engineered recombinant FMDVs of the serotype Asia1 (rFMDVs) displaying the type O-neutralizing epitope recognized by the mAb 8E8. These epitope-inserted viruses were genetically stable and exhibited growth prope...
Antigenic variants of foot-and-mouth disease virus (FMDV) were generated and frequently became dominant in clonal populations of FMDV (clone C-S8c1) grown in the absence of anti-FMDV antibodies. We have now passaged eight samples of the same FMDV clone in the presence of a limited amount of neutralizing polyclonal antibodies directed to the major antigenic site A of capsid protein VP1. Complex ...
Foot-and-mouth disease virus (FMDV) causes vesicular disease of cloven-hoofed animals with severe agricultural and economic implications. One of the most highly infectious and contagious livestock pathogens known, the disease spreads rapidly in naïve populations making it critical to have rapidly acting vaccines. Needle inoculation of killed virus vaccine is an efficient method of swiftly vacci...
The picornavirus foot-and-mouth disease virus 2A sequence was combined with three different internal ribosome entry segments to construct and characterize three independent pentacistronic retroviruses of different sizes. Efficient co-expression of the five proteins was successful and titres obtained for these pentacistronic virus vectors (final genome size approximately 7.9 kb) were comparable ...
BACKGROUND Understanding the epidemiology of foot-and-mouth disease (FMD), including roles played by different hosts, is essential for improving disease control. The African buffalo (Syncerus caffer) is a reservoir for the SAT serotypes of FMD virus (FMDV). Large buffalo populations commonly intermingle with livestock in Kenya, yet earlier studies have focused on FMD in the domestic livestock, ...
This paper investigates the early viral dynamics of foot-and-mouth disease (FMD) within infected pigs. Using an existing within-host model, we investigate whether individual variation can be explained by the effect of the initial dose of FMD virus. To do this, we consider the experimental data on the concentration of FMD virus genomes in the blood (viral load). In this experiment, 12 pigs were ...
During the period from May to August, 1978, an epidemic of hand, foot and mouth disease (HFMD) occurred in Gifu prefecture. Epidemiological, virological and serological investigations were performed. Cases involved ranged from 0 to 31 years of age, and 80.2% of them were under 5 years of age. The incidence of HFMD with neurological complication (3.7%) was lower than that in 1973. Enterovirus 71...
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