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An emergent poxvirus from humans and cattle in Rio de Janeiro State: Cantagalo virus may derive from Brazilian smallpox vaccine.
The biological properties of poxvirus isolates from skin lesions on dairy cows and milkers during recent exanthem episodes in Cantagalo County, Rio de Janeiro State, Brazil, were more like vacciniaExpand
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In a nutshell: structure and assembly of the vaccinia virion.
Poxviruses comprise a large family of viruses characterized by a large, linear dsDNA genome, a cytoplasmic site of replication and a complex virion morphology. The most notorious member of theExpand
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Blockade of Interferon Induction and Action by the E3L Double-Stranded RNA Binding Proteins of Vaccinia Virus
ABSTRACT The vaccinia virus E3L gene encodes two double-stranded RNA binding proteins that promote viral growth and pathogenesis through suppression of innate immunity. To explore how E3L enablesExpand
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Isolation, characterization, and physical mapping of temperature-sensitive mutants of vaccinia virus.
Thirty-nine new temperature-sensitive mutants of vaccinia virus have been isolated, expanding a previously reported collection of mutants (R. C. Condit and A. Motyczka, Virology 113, 224-241, 1981)Expand
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Isolation and preliminary characterization of temperature-sensitive mutants of vaccinia virus.
Abstract Methods have been developed for rapid isolation and genetic analysis of vaccinia virus mutants. These methods include: (1) monitoring mutagenesis by measuring conversion of wild-type,Expand
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Characterization of the interactions among vaccinia virus transcription factors G2R, A18R, and H5R.
Prior genetic analysis suggests that there may exist an interaction between the products of the vaccinia virus genes A18R, a putative negative transcription elongation factor, and G2R, a putativeExpand
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Nucleotide sequence and genetic map of the 16-kb vaccinia virus HindIII D fragment.
We have determined the nucleotide sequence of the 16,059-bp HindIII D fragment from vaccinia virus strain WR. Translation in all 6 reading frames reveals a set of 22 open reading frames (ORFs), whichExpand
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Temperature-sensitive mutants in the vaccinia virus A18R gene increase double-stranded RNA synthesis as a result of aberrant viral transcription.
Mutations in the vaccinia gene A18R cause activation of the cellular ribonucleolytic 2-5A pathway. To determine the mechanism of 2-5A pathway activation, mutant infections were analyzed for synthesisExpand
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Innate Immune Response of Human Plasmacytoid Dendritic Cells to Poxvirus Infection Is Subverted by Vaccinia E3 via Its Z-DNA/RNA Binding Domain
Plasmacytoid dendritic cells (pDCs) play important roles in antiviral innate immunity by producing type I interferon (IFN). In this study, we assess the immune responses of primary human pDCs to twoExpand
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The Vaccinia Virus A18R DNA Helicase Is a Postreplicative Negative Transcription Elongation Factor
ABSTRACT Loss of vaccinia virus A18R gene function results in an aberrant transcription profile termed promiscuous transcription, defined as transcription within regions of the genome which areExpand
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