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The Asfarviridae

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Reciprocal immunomodulation in a schistosome and hepatotropic virus coinfection model

Human coinfection with the helminth parasite Schistosoma mansoni and hepatitis B and hepatitis C viruses is associated with increased hepatic viral burdens and severe liver pathology. In this study we developed a murine S. mansonillymphocytic choriomeningitis virus (LCMV)…

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Point seroprevalence survey of Ehrlichia ruminantium infection in small ruminants in The Gambia

Using the MAP1-B enzyme-linked immunosorbent assay, we tested 1,318 serum samples collected from sheep and goats at 28 sites in the five divisions of The Gambia to determine the Ehrlichia ruminantium seroprevalence rates and to assess the risk for heartwater. About half (51…

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A dominant lethal genetic system for autocidal control of the Mediterranean fruitfly

The Sterile Insect Technique (SIT) used to control insect pests relies on the release of large numbers of radiation-sterilized insects. Irradiation can have a negative impact on the subsequent performance of the released insects(1-4) and therefore on the cost and…

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An MHC-restricted CD8+ T-cell response is induced in cattle by foot-and-mouth-disease virus (FMDV) infection following vaccination with inactivated FMDV

Foot-and-mouth disease virus (FMDV) causes a highly contagious disease of cloven-hooved animals that carries enormous economic consequences. CD8(+) cytotoxic T lymphocytes play an important role in protection and disease outcome in viral infections but, to date, the role of…

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The envelope of intracellular African swine fever virus is composed of a single lipid bilayer

African swine fever virus (ASFV) is a member of a family of large nucleocytoplasmic DNA viruses that include poxviruses, iridoviruses, and phycodnaviruses. Previous ultrastructural studies of ASFV using chemical fixation and cryosectioning for electron microscopy (EM) have…

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PTPRC (CD45) variation and disease association studied using single nucleotide polymorphism tagging

CD45 is a haemopoietic tyrosine phosphatase, crucial for lymphocyte signalling. Two polymorphisms (C77G and A138G), which alter CD45 isoform expression, are associated with autoimmune and infectious diseases. Using HapMap data, we show that there is substantial linkage…

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Role of hepatic macrophages during the viral haemorrhagic fever induced by African Swine Fever Virus

To ascertain the role played by the various liver monocyte-macrophage populations in the course of a viral hemorrhagic fever, fifteen pigs were inoculated intramuscularly with the highly virulent isolate of African Swine Fever Virus (ASFV) Espana-70 and slaughtered at 1-7…

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Foot-and-mouth disease virus persists in the light zone of germinal centres

Foot-and-mouth disease virus (FMDV) is one of the most contagious viruses of animals and is recognised as the most important constraint to international trade in animals and animal products. Two fundamental problems remain to be understood before more effective control…

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Integrated immunogenomics in the chicken: deciphering the immune responses to identify disease resistance genes

Resistance to infection takes place at many levels, and involves both non-specific and specific immune mechanisms. The chicken has a different repertoire of immune genes, molecules, cells and organs compared to mammals. To understand the role of any disease resistance gene(s…