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The molecular biology of swinepox virus. II. The infectious cycle.

Abstract：

:Studies based on low-stringency hybridizations of radiolabeled swinepox virus (SPV) DNA to Southern blots containing DNA of representative members of the Orthopoxvirus, Leporipoxvirus, and Avipoxvirus genera and the Entomopoxvirus subfamily have revealed no DNA homology at this level of resolution. Antigenic relatedness between SPV and vaccinia was also analyzed using immunoprecipitations and revealed little if any cross-reactivity. The growth characteristics of SPV in tissue culture were examined by light microscopy and revealed both a delayed and a different cytopathology than that of vaccinia virus. SPV causes foci in pig kidney cells that are not evident until at least 4 days postinfection, whereas vaccinia rapidly generates plaques on these cells. The kinetics of DNA accumulation, protein expression, and RNA transcription of SPV have been examined and indicate that each of these facets of the SPV growth cycle is also considerably delayed when compared to vaccinia virus. Our data indicate that swinepox virus is unique from other poxviruses characterized to date and supports the classification of swinepox virus into a separate genus, Suipoxvirus, within the poxvirus family.

journal_name

Virology

journal_title

Virology

authors

Massung RF,Moyer RW

doi

10.1016/0042-6822(91)90040-i

subject

Has Abstract

pub_date

1991-01-01 00:00:00

pages

355-64

issue

1

eissn

0042-6822

issn

1096-0341

journal_volume

180

pub_type

杂志文章

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