A switch region determines the cell type-specific positive or negative action of YY1 on the activity of the human papillomavirus type 18 promoter.

abstract：:Latent HIV proviruses are silenced as the result of deacetylation and methylation of histones located at the viral long terminal repeat (LTR). Inhibition of histone deacetylases (HDACs) leads to the reemergence of HIV-1 from latency, but the contribution of histone lysine methyltransferases (HKMTs) to maintaining HIV ...

journal_title：Journal of virology

authors： Friedman J,Cho WK,Chu CK,Keedy KS,Archin NM,Margolis DM,Karn J

更新日期：2011-09-01 00:00:00

abstract：:Interactions between viruses and the host antibody immune response are critical in the development and control of disease, and antibodies are also known to interfere with the efficacy of viral vector-based gene delivery. The adeno-associated viruses (AAVs) being developed as vectors for corrective human gene delivery ...

journal_title：Journal of virology

authors： Gurda BL,DiMattia MA,Miller EB,Bennett A,McKenna R,Weichert WS,Nelson CD,Chen WJ,Muzyczka N,Olson NH,Sinkovits RS,Chiorini JA,Zolotutkhin S,Kozyreva OG,Samulski RJ,Baker TS,Parrish CR,Agbandje-McKenna M

更新日期：2013-08-01 00:00:00

abstract：:Toscana virus (TOSV) is a phlebovirus, of the Bunyaviridae family, that is responsible for central nervous system (CNS) injury in humans. Previous data have shown that the TOSV NSs protein is a gamma interferon (IFN-β) antagonist when transiently overexpressed in mammalian cells, inhibiting IRF-3 induction (G. Gori Sa...

journal_title：Journal of virology

authors： Gori-Savellini G,Valentini M,Cusi MG

更新日期：2013-06-01 00:00:00

abstract：:Formation of a six-helix bundle comprised of three C-terminal heptad repeat regions in antiparallel orientation in the grooves of an N-terminal coiled-coil is critical for promotion of membrane fusion by paramyxovirus fusion (F) proteins. We have examined the effect of mutations in four residues of the N-terminal hept...

journal_title：Journal of virology

authors： West DS,Sheehan MS,Segeleon PK,Dutch RE

更新日期：2005-02-01 00:00:00

abstract：:Marburg virus, a filovirus, causes severe hemorrhagic fever with hitherto poorly understood molecular pathogenesis. We have investigated here the vectorial transport of the surface protein GP of Marburg virus in polarized epithelial cells. To this end, we established an MDCKII cell line that was able to express GP per...

journal_title：Journal of virology

authors： Sänger C,Mühlberger E,Ryabchikova E,Kolesnikova L,Klenk HD,Becker S

更新日期：2001-02-01 00:00:00

abstract：UNLABELLED:Herpes simplex virus (HSV) replicates in the skin and mucous membranes, and initiates lytic or latent infections in sensory neurons. Assembly of progeny virions depends on the essential large tegument protein pUL36 of 3,164 amino acid residues that links the capsids to the tegument proteins pUL37 and VP16. O...

journal_title：Journal of virology

authors： Ivanova L,Buch A,Döhner K,Pohlmann A,Binz A,Prank U,Sandbaumhüter M,Bauerfeind R,Sodeik B

更新日期：2016-05-12 00:00:00

abstract：:Latency-associated nuclear antigen 1 (LANA1) of Kaposi's sarcoma-associated herpesvirus (KSHV) is implicated in the persistence of the viral genome during latent infection. It has been suggested that LANA1 tethers the viral genome to the host chromosome and also participates actively in DNA replication from the termin...

journal_title：Journal of virology

authors： Lim C,Choi C,Choe J

更新日期：2004-07-01 00:00:00

abstract：:The catalytic core domain (CCD) of human immunodeficiency virus type 1 (HIV-1) integrase (IN) harbors the enzyme active site and binds viral and chromosomal DNA during integration. Thirty-five CCD mutant viruses were constructed, paying particular attention to conserved residues in the Phe(139)-Gln(146) flexible loop ...

journal_title：Journal of virology

authors： Lu R,Limón A,Ghory HZ,Engelman A

更新日期：2005-02-01 00:00:00

abstract：:Tomato bushy stunt virus (TBSV), a tombusvirus with a nonsegmented, plus-stranded RNA genome, codes for two essential replicase proteins. The sequence of one of the replicase proteins, namely p33, overlaps with the N-terminal domain of p92, which contains the signature motifs of RNA-dependent RNA polymerases (RdRps) i...

journal_title：Journal of virology

authors： Rajendran KS,Nagy PD

更新日期：2003-09-01 00:00:00

abstract：:The mechanisms of cell death in CD4+ T cells mediated by human herpesvirus 6 (HHV-6) were investigated. The frequency of cell death in the human CD4+ T-cell line JJHAN, which had been inoculated with HHV-6 variant A or B, appeared to be augmented by tumor necrosis factor alpha (TNF-alpha). Agarose gel electrophoresis ...

journal_title：Journal of virology

authors： Inoue Y,Yasukawa M,Fujita S

更新日期：1997-05-01 00:00:00

abstract：:p21((WAF1/SDII/CIP1)) (p21) arrests cell growth by inhibiting cyclin-depend kinases. To explore the potential of using p21 for the gene therapy of cervical cancer, we infected human papillomavirus (HPV)-positive cervical cancer cells (HeLa, SiHa, and Z172) and HPV-negative cervical cancer cells (C33A) with recombinant...

journal_title：Journal of virology

authors： Tsao YP,Huang SJ,Chang JL,Hsieh JT,Pong RC,Chen SL

更新日期：1999-06-01 00:00:00

abstract：:Epstein-Barr virus (EBV)-encoded molecules have been detected in the tumor tissues of several cancers, including nasopharyngeal carcinoma (NPC), suggesting that EBV plays an important role in tumorigenesis. However, the nature of EBV with respect to genome width in vivo and whether EBV undergoes clonal expansion in th...

journal_title：Journal of virology

authors： Liu P,Fang X,Feng Z,Guo YM,Peng RJ,Liu T,Huang Z,Feng Y,Sun X,Xiong Z,Guo X,Pang SS,Wang B,Lv X,Feng FT,Li DJ,Chen LZ,Feng QS,Huang WL,Zeng MS,Bei JX,Zhang Y,Zeng YX

更新日期：2011-11-01 00:00:00

abstract：:Translation of poliovirus RNA occurs by the binding of ribosomes to an internal segment of RNA sequence within the 5' untranslated region of the viral RNA. This region is predicted to consist of six domains (I to VI) that possess complex secondary and tertiary structures. Domain IV is a large region in which alteratio...

journal_title：Journal of virology

authors： Blyn LB,Chen R,Semler BL,Ehrenfeld E

更新日期：1995-07-01 00:00:00

abstract：:The RNA-dependent RNA polymerase of influenza A virus is responsible for both transcription and replication of negative-sense viral RNA. It is thought that a "switching" mechanism regulates the transition between these activities. We demonstrate that, in the presence of preexisting viral RNA polymerase and nucleoprote...

journal_title：Journal of virology

authors： Vreede FT,Jung TE,Brownlee GG

更新日期：2004-09-01 00:00:00

abstract：:Current L1 virus-like particle (VLP) vaccines provide type-restricted protection against a small subset of the human papillomavirus (HPV) genotypes associated with cervical cancer, necessitating continued cytologic screening of vaccinees. Cervical cancer is most problematic in countries that lack the resources for scr...

journal_title：Journal of virology

authors： Gambhira R,Jagu S,Karanam B,Gravitt PE,Culp TD,Christensen ND,Roden RB

更新日期：2007-11-01 00:00:00

abstract：:In Escherichia coli B infected with phage T4 with mutations in gene 55 the shut-off of synthesis of two early enzymes was found to be delayed 10 to 15 min as compared to wild-type T4 infection. The kinetics of early enzyme formation was very similar to that obtained after DNA-negative mutant infection. The transcripti...

journal_title：Journal of virology

authors： Bolund C

更新日期：1973-07-01 00:00:00

abstract：UNLABELLED:The HIV-1 envelope glycoprotein (Env) is a trimer of gp120-gp41 heterodimers and is essential for viral entry. The gp41 subunit in native, prefusion trimeric Env exists in a metastable conformation and attains a stable six-helix bundle (6-HB) conformation comprised of a trimer of N-heptad repeat (NHR) and C-...

journal_title：Journal of virology

authors： Kesavardhana S,Varadarajan R

更新日期：2014-09-01 00:00:00

abstract：UNLABELLED:There are nine subtypes of influenza A virus neuraminidase (NA), N1 to N9. In addition, influenza B virus also contains NA, and there are two influenza virus NA-like molecules, N10 and N11, which were recently identified from bats. Crystal structures for all of these proteins have been solved, with the excep...

journal_title：Journal of virology

authors： Sun X,Li Q,Wu Y,Wang M,Liu Y,Qi J,Vavricka CJ,Gao GF

更新日期：2014-08-01 00:00:00

abstract：:The adenovirus E1A transforming region, which encodes immortalization, partial cell transformation, and gene activation functions, expresses two early mRNAs, 13S and 12S. Multiple-T antigen species with different electrophoretic mobilities are formed from each mRNA, presumably by unknown posttranslational modification...

journal_title：Journal of virology

authors： Lucher LA,Brackmann KH,Symington JS,Green M

更新日期：1986-05-01 00:00:00

abstract：:Regulatory elements interacting with DNA-binding proteins have been investigated in the promoter sequence of the early PE38 gene in the Autographa californica nuclear polyhedrosis virus (AcNPV). A GATA motif located 50 nucleotides upstream of the PE38 transcriptional start site is recognized differentially in the cour...

journal_title：Journal of virology

authors： Krappa R,Behn-Krappa A,Jahnel F,Doerfler W,Knebel-Mörsdorf D

更新日期：1992-06-01 00:00:00

abstract：:The genome-length, dicistronic mRNA of the double-stranded RNA fungal virus Helminthosporium victoriae virus 190S (genus Victorivirus, family Totiviridae) contains two long open reading frames (ORFs) that overlap in the tetranucleotide AUGA. Translation of the downstream ORF, which encodes the RNA-dependent RNA polyme...

journal_title：Journal of virology

authors： Li H,Havens WM,Nibert ML,Ghabrial SA

更新日期：2011-07-01 00:00:00

abstract：:The spindles of Anomala cuprea entomopoxvirus (AncuEPV), which are composed of glycoprotein fusolin, are known to enhance the peroral infectivity of AncuEPV itself and of nucleopolyhedroviruses. This has been demonstrated to involve the disruption of intestinal peritrophic membrane (PM), composed of chitin matrix, gly...

journal_title：Journal of virology

authors： Takemoto Y,Mitsuhashi W,Murakami R,Konishi H,Miyamoto K

更新日期：2008-12-01 00:00:00

abstract：:Developing an immunotherapy to keep human immunodeficiency virus type 1 (HIV-1) replication suppressed while discontinuing highly active antiretroviral therapy (HAART) is an important challenge. In the present work, we evaluated in vitro whether dendritic cells (DC) electroporated with gag mRNA can induce HIV-specific...

journal_title：Journal of virology

authors： Van Gulck ER,Vanham G,Heyndrickx L,Coppens S,Vereecken K,Atkinson D,Florence E,Kint I,Berneman ZN,Van Tendeloo V

更新日期：2008-04-01 00:00:00

abstract：:The M2-2 protein of respiratory syncytial virus (RSV) is involved in regulation of viral RNA transcription and replication. Encoded by the next-to-last gene of RSV, the M2-2 open reading frame (ORF) overlaps with the upstream M2-1 ORF, suggesting that the production of the M2-2 protein might be tightly regulated durin...

journal_title：Journal of virology

authors： Cheng X,Park H,Zhou H,Jin H

更新日期：2005-11-01 00:00:00

abstract：:Recent studies have demonstrated that influenza A virus infection activates the phosphatidylinositol 3-kinase (PI3K)/Akt signaling pathway by binding of influenza NS1 protein to the p85 regulatory subunit of PI3K. Our previous study proposed that two polyproline motifs in NS1 (amino acids 164 to 167 [PXXP], SH3 bindin...

journal_title：Journal of virology

authors： Shin YK,Li Y,Liu Q,Anderson DH,Babiuk LA,Zhou Y

更新日期：2007-12-01 00:00:00

abstract：:The Rel/NF-kappa B family of proteins includes several interacting cellular transcription factors and the v-Rel oncoprotein of the avian Rev-T retrovirus. We report the isolation of a chicken cDNA for the NF-kappa B p52 precursor protein p100. Full-length p100 only weakly binds DNA in vitro; removal of the ankyrin-lik...

journal_title：Journal of virology

authors： Sif S,Gilmore TD

更新日期：1993-12-01 00:00:00

abstract：UNLABELLED:SSV-type integrases, encoded by fuselloviruses which infect the hyperthermophilic archaea of the Sulfolobales, are archaeal members of the tyrosine recombinase family. These integrases catalyze viral integration into and excision from a specific site on the host genome. In the present study, we have establis...

journal_title：Journal of virology

authors： Zhan Z,Zhou J,Huang L

更新日期：2015-11-01 00:00:00

abstract：:Apoptosis of neurons and astrocytes is induced by human immunodeficiency type 1 (HIV-1) infection in vitro and has been demonstrated in brain tissue from patients with AIDS. We analyzed a panel of diverse HIV-1 primary isolates for the ability to replicate and induce neuronal and astrocyte apoptosis in primary human b...

journal_title：Journal of virology

authors： Ohagen A,Ghosh S,He J,Huang K,Chen Y,Yuan M,Osathanondh R,Gartner S,Shi B,Shaw G,Gabuzda D

更新日期：1999-02-01 00:00:00

abstract：:ICP0 is a transcriptional activating protein required for the efficient replication and reactivation of latent herpes simplex virus 1 (HSV-1). Multiple regions of ICP0 contribute its activity, the most prominent of which appears to be the RING finger, which confers E3 ubiquitin ligase activity. A region in the C termi...

journal_title：Journal of virology

authors： Ferenczy MW,Ranayhossaini DJ,Deluca NA

更新日期：2011-05-01 00:00:00

abstract：:Enhancement of cell death is a distinguishing feature of H1N1 influenza virus A/Puerto Rico/8/34 protein PB1-F2. Comparing the sequences (amino acids [aa] 61 to 87 using PB1-F2 amino acid numbering) of the PB1-F2-derived C-terminal peptides from influenza A viruses inducing high or low levels of cell death, we identif...

journal_title：Journal of virology

authors： Alymova IV,Samarasinghe A,Vogel P,Green AM,Weinlich R,McCullers JA

更新日期：2014-01-01 00:00:00