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Invasive arthropods

Many arthropod species have been transported around the globe and successfully invaded new regions. Invasive arthropods can have severe impacts on animal and human health, agriculture and forestry, and the biodiversity of natural habitats as well as those modified by humans…

Marek’s disease (MD): eLearning

Learn about Marek's disease pathogenesis, diagnostics, and control strategies.

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Combined agonist-antagonist genome-wide functional screening identifies broadly active antiviral microRNAs

Although the functional parameters of microRNAs (miRNAs) have been explored in some depth, the roles of these molecules in viral infections remain elusive. Here we report a general method for global analysis of miRNA function that compares the significance of both…

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The classical swine fever virus Npro product is degraded by cellular proteasomes in a manner that does not require interaction with interferon regulatory factor 3

Classical swine fever is a notifiable disease of pigs. The causative agent, classical swine fever virus (CSFV), is highly contagious and causes mild to severe haemorrhagic disease depending on the virulence of the strain. The RNA genome of CSFV is translated as a single…

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Understanding stress-induced immunosuppression: Exploration of cytokine and chemokine gene profiles in chicken peripheral leukocytes

At present, the poultry meat and egg industry has gained a lot of ground, being viewed as a provider of a healthy alternative to red meat and other protein sources. If this trend is to be maintained, solutions must be found to improve resistance of chickens to disease, which…

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Cytokine and chemokine gene expression profiles in heterophils from chickens treated with corticosterone

In chickens, corticosterone is the end-product of stress. However, the nature of the immune response to elevated plasma corticosterone concentrations at the molecular level has not yet been characterised. We recently demonstrated that exposure to corticosterone in drinking…

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European genotype of porcine reproductive and respiratory syndrome (PRRSV) infects monocyte-derived dendritic cells but does not induce Treg cells

The aim of this study was to characterize the immune responses of DCs after infection with four different EU Strains of PRRSV and whether they show any ability to immunomodulate T cells activation. Our results show that all EU strains can efficiently infect and replicate in…

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Comparative efficacy of BAC-derived recombinant SB-1 vaccine and the parent wild type strain in preventing replication, shedding and disease induced by virulent Mareks disease virus

A widely used vaccine against Marek's disease (MD) in poultry is the virus SB-1, which is antigenically-related to the causative agent, Marek's disease herpesvirus. We recently cloned the SB-1 genome as an infectious bacterial artificial chromosome, BAC, (pSB-1). The…

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Actin-based motility of Burkholderia thailandensis requires a central acidic domain of BimA that recruits and activates the cellular Arp2/3 complex

Burkholderia species use BimA for intracellular actin-based motility. Uniquely, Burkholderia thailandensis BimA harbors a central and acidic (CA) domain. The CA domain was required for actin-based motility, binding to the cellular Arp2/3 complex, and Arp2/3-dependent…

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Functional evaluation of the role of reticuloendotheliosis virus long terminal repeat (LTR) integrated into the genome of a field strain of Marek's disease virus

MDV-GX0101 is a field strain of Marek's disease virus with a naturally occurring insertion of the reticuloendotheliosis virus (REV) LTR fragment. In order to study the biological properties of REV-LTR insertion in the MDV genome, we constructed a full-length infectious BAC…