Abstract:
:We have identified a spliced transcript that contains sequences from the HCMV UL29 and UL28 open reading frames. It contains amino-terminal UL29 sequences followed by UL28 sequences, and it includes a poly(A) signal derived from the 3'-untranslated region following the UL26 open reading frame. UL29/28 RNA is expressed with early kinetics, and a virus containing a FLAG epitope inserted at the amino terminus of UL29 expressed a tagged approximately 79-kDa protein, pUL29/28, that was detected at 6 h postinfection. The virus also expressed a less-abundant tagged 41-kDa protein, which corresponds in size to a protein that could be produced by translation of an unspliced UL29/28 transcript. Consistent with this prediction, both unspliced and spliced UL29/28 transcript was present in RNA isolated from polysomes. FLAG-tagged protein from the UL29/28 locus accumulated within nuclear viral replication centers during the early phase of infection. Late after infection it was present in the cytoplasm as well, and the protein was present and resistant to proteinase treatment in partially purified preparations of viral particles. Disruption of the UL29/28 locus by mutation resulted in a 10-fold decrease in the levels of DNA replication along with a similar reduction in virus yield. Quantitative reverse transcription-PCR analysis revealed an approximately 2-fold decrease in immediate-early gene expression at 4 to 10 h postinfection compared to the wild-type virus, and transient expression of pUL29/28 activated the major immediate-early promoter. Our results argue that the UL29/28 locus contributes to activation of immediate-early gene expression.
journal_name
J Viroljournal_title
Journal of virologyauthors
Mitchell DP,Savaryn JP,Moorman NJ,Shenk T,Terhune SSdoi
10.1128/JVI.00396-09subject
Has Abstractpub_date
2009-10-01 00:00:00pages
10187-97issue
19eissn
0022-538Xissn
1098-5514pii
JVI.00396-09journal_volume
83pub_type
杂志文章abstract::When Epstein-Barr virus (EBV) negative cells (Raji) were treated with iododeoxyuridine, only the early antigen (EA) component was induced. There was no significant increase in EBV DNA and no virus particles were observed. Somatic-cell hybrids were prepared from the fusion of Raji and D98 cells (D98/Raji). When these c...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.14.1.174-176.1974
更新日期:1974-07-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.69.4.2602-2604.1995
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.76.12.6073-6082.2002
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.33.1.522-530.1980
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.76.14.7000-7009.2002
更新日期:2002-07-01 00:00:00
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pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.28.3.772-785.1978
更新日期:1978-12-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.12.6.1620-1621.1973
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.67.4.2255-2265.1993
更新日期:1993-04-01 00:00:00
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pub_type: 杂志文章
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更新日期:2005-11-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.69.9.5838-5842.1995
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.31.2.546-546.1979
更新日期:1979-08-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
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更新日期:2017-08-10 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.68.4.2347-2354.1994
更新日期:1994-04-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.62.3.1055-1056.1988
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.26.2.243-248.1978
更新日期:1978-05-01 00:00:00
abstract::Recombinant rotavirus (RV) with cDNA-derived chimeric VP4 was generated using recently developed reverse genetics for RV. The rescued virus, KU//rVP4(SA11)-II(DS-1), contains SA11 (simian RV strain, G3P[2])-based VP4, in which a cross-reactive neutralization epitope (amino acids 381 to 401) on VP5* is replaced by the ...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.00601-08
更新日期:2008-07-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.65.3.1530-1542.1991
更新日期:1991-03-01 00:00:00
abstract:UNLABELLED:Development of a vaccine to prevent congenital cytomegalovirus infection is a major public health priority. Live vaccines attenuated through mutations targeting viral mechanisms responsible for evasion of host defense may be both safe and efficacious. Safety and vaccine efficacy were evaluated using a guinea...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.01419-15
更新日期:2015-10-01 00:00:00