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Viruses 2018, 10(9), 463; https://doi.org/10.3390/v10090463

The Virology of Taterapox Virus In Vitro

1
Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, 1100 South Grand Boulevard, St. Louis, MO 63104, USA
2
Grupo de Transdução de Sinal do Laboratório de Vírus, Departamento de Microbiologia, Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Belo Horizonte, Brazil
3
Department of Microbiology, BBRB 276/11, University of Alabama at Birmingham, Birmingham, AL 35294, USA
Deceased.
*
Author to whom correspondence should be addressed.
Received: 22 July 2018 / Revised: 8 August 2018 / Accepted: 16 August 2018 / Published: 29 August 2018
(This article belongs to the Section Animal Viruses)
Full-Text   |   PDF [4115 KB, uploaded 29 August 2018]   |  

Abstract

Taterapox virus (TATV) is phylogenetically the closest related virus to variola—the etiological agent of smallpox. Despite the similarity, few studies have evaluated the virus. In vivo, TATV can infect several animals but produces an inapparent infection in wild-type mice; however, TATV does cause morbidity and mortality in some immunocompromised strains. We employed in vitro techniques to compare TATV to ectromelia (ECTV) and vaccinia (VACV) viruses. Both ECTV and TATV replicate efficiently in primate cell lines but TATV replicates poorly in murine cells lines. Furthermore, TATV induces cytopathic effects, but to a lesser extent than ECTV, and changes cytoskeletal networks differently than both ECTV and VACV. Bioinformatic studies revealed differences in several immunomodulator open reading frames that could contribute to the reduced virulence of TATV, which were supported by in vitro cytokine assays. View Full-Text
Keywords: orthopoxvirus; variola; ectromelia; smallpox; vaccinia; gerbil; taterapox orthopoxvirus; variola; ectromelia; smallpox; vaccinia; gerbil; taterapox
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Parker, S.; Camilo de Oliveira, L.; Lefkowitz, E.J.; Hendrickson, R.C.; Bonjardim, C.A.; Wold, W.S.M.; Hartzler, H.; Crump, R.; Buller, R.M. The Virology of Taterapox Virus In Vitro. Viruses 2018, 10, 463.

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