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In cattle, there are six classical MHC class I genes that are variably present between different haplotypes. Almost all known haplotypes contain between one and three genes, with an allele of Gene 2 present on the vast majority. However, very little is known about the…

This study investigates the laboratory infection of two species of Culicoides biting midges (Diptera: Ceratopogonidae) and one species of sand fly (Diptera: Psychodidae) with two species of Leishmania. These members of the L. enriettii complex were demonstrated to colonize…

Sequencing and subsequent analysis of a vaccine strain of foot-and-mouth disease virus serotype O is reported here. Genomic heterogeneity in the protective epitopes (VP1 protein) of the reported strain, compared to characterized strains and available sequences from Pakistan…

Vitamin D3 is known to modulate both innate and adaptive immune responses in mammals, but there is little information on its effects on avian immune system cells. Here, we studied the effects of vitamin D3 on chicken macrophages. Chicken macrophages expressed vitamin D…

Peste des petits ruminants (PPR) is a highly contagious and economically important viral disease affecting goats, sheep and wild ruminants. The disease is currently circulating in Asian and African countries, creating problems in small ruminant farming. Current control of…

Chicken whole-genome gene expression arrays were used to analyze the host response to infection by infectious bursal disease virus (IBDV). Spleen and bursal tissue were examined from control and infected birds at 2, 3, and 4 days postinfection from two lines that differ in…

Infectious Bronchitis is a highly contagious respiratory disease which causes tracheal lesions and also affects the reproductive tract and is responsible for large economic losses to the poultry industry every year. This is due to both mortality (either directly provoked by…

Avian influenza A viruses have gained increasing attention due to their ability to cross the species barrier and cause severe disease in humans and other mammal species as pigs. H3 and particularly H3N8 viruses, are highly adaptive since they are found in multiple avian and…

Human respiratory syncytial virus (HRSV) is a major cause of lower respiratory tract disease in children and the elderly for which there is still no effective vaccine. We have previously shown that PanAd3-RSV, which is a chimpanzee adenovirus–vectored vaccine candidate that…

Background: Ixodes scapularis is the most common tick species in North America and a vector of important pathogens that cause diseases in humans and animals including Lyme disease, anaplasmosis and babesiosis. Tick defensins have been identified as a new source of…