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ORF23 of murine gammaherpesvirus 68 is non-essential for in vitro and in vivo infection.

J. Gen. Virol. 93, 1076-1080 (2012)
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Although ORF23 is conserved among gammaherpesviruses, its role during infection is unknown. Here, we studied the expression of ORF23 of murine gammaherpesvirus 68 (MHV-68) and its role during infection. ORF23 mRNA was detected in infected cells as a late transcript. The ORF23 protein product could be expressed and detected as an N-terminally FLAG-tagged protein by Western blot and indirect immunofluorescence. To investigate the role of ORF23 in the infection cycle of a gammaherpesvirus, we constructed an ORF23 deletion mutant of MHV-68. The analysis of the ORF23 deletion mutant suggested that ORF23 of MHV-68 is neither essential for replication in cell culture nor for lytic or latent infection in vivo. A phenotype of the ORF23 deletion mutant, reflected by a moderate reduction in lytic replication and latency amplification, was only detectable in the face of direct competition to the parental virus.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter BACTERIAL ARTIFICIAL CHROMOSOME; MOUSE MODEL; HERPESVIRUS; PROTEINS; VIRUS; IDENTIFICATION; PATHOGENESIS; MUTAGENESIS; EXPRESSION; GENETICS
Sprache
Veröffentlichungsjahr 2012
HGF-Berichtsjahr 2012
ISSN (print) / ISBN 0022-1317
e-ISSN 1465-2099
Quellenangaben Band: 93, Heft: Part 5, Seiten: 1076-1080 Artikelnummer: , Supplement: ,
Verlag Society for General Microbiology
Begutachtungsstatus Peer reviewed
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Immune Response and Infection
PSP-Element(e) G-501500-006
PubMed ID 22258865
Scopus ID 84859824447
Erfassungsdatum 2012-06-14