The natural maintenance cycles of many mosquito-borne pathogens require establishment of persistent non-lethal infections in the invertebrate host. The mechanism by which this occurs is not well understood, but we have previously shown that an antiviral response directed by small interfering RNAs (s...
Alphaviruses are mosquito-vectored, positive-strand RNA viruses causing rheumatic and neurological diseases. Like all RNA viruses, they encode an RNA-dependent RNA polymerase (RdRp, nsP4). Purification of an nsP4 derivative capable of processive RNA synthesis from a heteropolymeric template has been...
Salmon pancreas disease, caused by salmonid alphavirus (SAV), is an economically important disease affecting farmed Atlantic salmon (Salmo salar L.) in Europe, with outbreaks reported in Scotland, Norway, and Ireland. A microarray-based study was performed to evaluate the host transcriptomic respons...
Genetic diversity and evolutionary dynamics of Eastern Equine Encephalitis Virus (EEEV) and Madariaga Virus (MADV) circulating within and between mosquitos and horse populations
The midgut of hematophagous insects is the initial site of infection by arthropod-borne viruses (arboviruses) and plays a crucial role in vector competence. To further understand processes that occur in the midgut in response to infection by an arbovirus, DNA microarrays were used to analyze gene ex...