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Detection and prevalence of the nonsyncytial American grass carp Reovirus Aquareovirus G by quantitative reverse transcriptase polymerase chain reaction

The American grass carp reovirus (AGCRV) Aquareovirus G is not strongly associated with disease in fish, but it is often detected by cell culture during routine inspections of healthy fish. The cytopathic effect of AGCRV does not involve the typical syncytia associated with…

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Low density subcellular fractions enhance disease-specific prion protein misfolding

The production of prion particles in vitro by amplification with or without exogenous seed typically results in infectivity titers less than those associated with PrPSc isolated ex vivo and highlights the potential role of co-factors that can catalyze disease-specific prion…

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Characterisation of virus-specific peripheral blood cell cytokine responses following vaccination or infection with classical swine fever viruses

Existing live attenuated classical swine fever virus (CSFV) vaccines provide a rapid onset of complete protection but pose problems in discriminating infected amongst vaccinated animals. With a view to providing additional information on the cellular mechanisms that may…

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Expression from baculovirus and serological reactivity of the nucleocapsid protein of dolphin morbillivirus

The nucleocapsid (N) protein of dolphin morbillivirus (DMV) was expressed from a baculovirus (Autographa californica nuclear polyhedrosis virus) vector and shown by SDS-PAGE and Western blot analysis to be about 57 kDa. Transmission electron microscopy revealed fully…

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Cell entry of the aphthovirus equine rhinitis A virus is dependent on endosome acidification

Equine rhinitis A virus (ERAV) is genetically closely related to foot-and-mouth disease virus (FMDV), and both are now classified within the genus Aphthovirus of the family Picornaviridae. For disease security reasons, FMDV can be handled only in high-containment facilities…

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Assessing the consequences of an incursion of a vector-borne disease I. Identifying feasible incursion scenarios for bluetongue in Scotland

Following the arrival of bluetongue virus serotype 8 (BTV-8) in southeast England in September 2007, the Scottish Government commissioned research to assess the economic consequences of a BTV-8 incursion to Scotland. Here we present the first component of the assessment…

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The role of mathematical modelling in understanding the epidemiology and control of sheep transmissible spongiform encephalopathies: a review

To deal with the incompleteness of observations and disentangle the complexities of transmission much use has been made of mathematical modelling when investigating the epidemiology of sheep transmissible spongiform encephalopathies (TSE) and, in particular, scrapie…

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Cattle MIC is a ligand for the activating NK cell receptor NKG2D

Major histocompatibility complex (MHC) class I chain-related (MIC) genes encode molecules that are expressed in response to stress, signalling immune system cells primarily via the activating receptor NKG2D. We investigated the expression of receptors for MIC in lymphocyte…

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Induction of a cross-reactive CD8+ T cell response following foot-and-mouth disease virus vaccination

Foot-and-mouth disease virus (FMDV) causes a highly contagious infection in cloven-hoofed animals. Current inactivated FMDV vaccines generate short-term, serotype-specific protection, mainly through neutralizing antibody. An improved understanding of the mechanisms of…

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Molecular characterization of foot-and-mouth disease viruses collected from Sudan

The aim of this study was to characterize foot-and-mouth disease (FMD) viruses collected between 2004 and 2008 from Sudan, a country where FMD is endemic. Using virus isolation and antigen ELISA, three FMD virus serotypes (O, A and SAT2) were detected in 24 samples that were…