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We sequenced the 29,751-base genome of the severe acute respiratory syndrome (SARS)-associated coronavirus known as the Tor2 isolate. The genome sequence reveals that this coronavirus is only moderately related to other known coronaviruses, including two human coronaviruses, HCoV-OC43 and HCoV-229E. Phylogenetic analysis of the predicted viral proteins(More)
Many poxvirus-encoded virulence factors have been identified as proteins that are secreted from infected cells. The major secreted protein (37 kilodaltons) from cells infected with myxoma virus is encoded by the M-T7 open reading frame. This protein has significant sequence similarity to the human and mouse receptors for interferon-gamma (IFN-gamma).(More)
UNLABELLED Java-Dotter (JDotter) is a platform-independent Java interactive interface for the Linux version of Dotter, a widely used program for generating dotplots of large DNA or protein sequences. JDotter runs as a client-server application and can send new sequences to the Dotter program for alignment as well as rapidly access a repository of(More)
Members of the family Iridoviridae can cause severe diseases resulting in significant economic and environmental losses. Very little is known about how iridoviruses cause disease in their host. In the present study, we describe the re-analysis of the Iridoviridae family of complex DNA viruses using a variety of comparative genomic tools to yield a greater(More)
Interferon-gamma functions within the immune system as a potent anti-viral and immunoregulatory cytokine. In order to successfully replicate within a host cell, poxviruses have evolved a number of strategies to counteract the pleiotropic effects of interferon-gamma. In particular, the leporipoxvirus myxoma virus was shown to express an extracellular soluble(More)
Myxoma virus is a leporipoxvirus that causes a rapidly lethal, generalized infection known as myxomatosis in the European rabbit (Oryctolagus cuniculus). A characteristic feature of myxomatosis is the specific downregulation of key pathways important for numerous host defenses against the viral infection. The SERP1 gene has significant sequence similarity(More)
Poxviruses are known to contain a large number of open reading frames, particularly near the termini of the viral genome, that are not required for growth in tissue culture. However, many of these gene products are believed to play important roles in determining the virulence of the virus by modulating the host immune response to the infection. Recently it(More)
The analysis of poxvirus genomes is complex, in part, because of their size (130-360 kb) and the fact that gene content is variable; a common set of 49 genes has been found in all sequenced poxviruses and an additional 41 genes are also present in all sequenced orthopoxviruses. As a group, poxviruses have a very broad range of eukaryotic hosts (including(More)
Ectromelia virus is the causative agent of mousepox, an acute exanthematous disease of mouse colonies in Europe, Japan, China, and the U.S. The Moscow, Hampstead, and NIH79 strains are the most thoroughly studied with the Moscow strain being the most infectious and virulent for the mouse. In the late 1940s mousepox was proposed as a model for the study of(More)