Analysis of Moloney murine leukemia virus revertants mutated at the gag-pol junction.

abstract：:Three plaque isolates of SV40 strain 777 and 1 plaque isolate of strain 776 were grown to high-titer stocks and serially passaged, undiluted, in monkey BS-C-1 cells. In each case, the serial passaging procedure resulted in the accumulation of closed-circular SV40 DNA molecules containing covalently linked sequences ho...

journal_title：Journal of virology

authors： Lavi S,Rozenblatt S,Singer MF,Winocour E

更新日期：1973-09-01 00:00:00

abstract：:Influenza A viruses (IAVs) cause seasonal epidemics and occasional pandemics, representing a serious public health concern. It has been described that one mechanism used by some IAV strains to escape the host innate immune responses and modulate virus pathogenicity involves the ability of the PA-X and NS1 proteins to ...

journal_title：Journal of virology

authors： Nogales A,Rodriguez L,DeDiego ML,Topham DJ,Martínez-Sobrido L

更新日期：2017-08-10 00:00:00

abstract：:Influenza viral complementary RNA (cRNA), i.e., viral mRNA was radioactive when purified from the cytoplasmic fraction of cordycepin-treated canine kidney cells that were incubated with [methyl-3H]methionine during infection. Approximately 55 to 60% of the methyl-3H radioactivity was in internal N6-methyladenosine, a ...

journal_title：Journal of virology

authors： Krug RM,Morgan MA,Shatkin AJ

更新日期：1976-10-01 00:00:00

abstract：:A gene encoding a polypeptide with homology to mammalian vascular endothelial growth factors (VEGFs) has been discovered in the genome of orf virus (OV), a parapoxvirus that affects sheep and goats and, occasionally, humans. The gene is transcribed abundantly early in infection and is found immediately outside the inv...

journal_title：Journal of virology

authors： Lyttle DJ,Fraser KM,Fleming SB,Mercer AA,Robinson AJ

更新日期：1994-01-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) R5 isolates that predominantly use CCR5 as a coreceptor are frequently described as macrophage tropic. Here, we compare macrophage tropism conferred by HIV-1 R5 envelopes that were derived directly by PCR from patient tissue. This approach avoids potentially selective cultur...

journal_title：Journal of virology

authors： Peters PJ,Sullivan WM,Duenas-Decamp MJ,Bhattacharya J,Ankghuambom C,Brown R,Luzuriaga K,Bell J,Simmonds P,Ball J,Clapham PR

更新日期：2006-07-01 00:00:00

abstract：:Cellular and viral factors participate in the replication cycle of rotavirus. We report that the guanine nucleotide exchange factor GBF1, which activates the small GTPase Arf1 to induce COPI transport processes, is required for rotavirus replication since knocking down GBF1 expression by RNA interference or inhibiting...

journal_title：Journal of virology

authors： Martínez JL,Arnoldi F,Schraner EM,Eichwald C,Silva-Ayala D,Lee E,Sztul E,Burrone ÓR,López S,Arias CF

更新日期：2019-09-12 00:00:00

abstract：:Viruses are considered to use vesicular trafficking in infected cells, but the details of assembly/release pathways of hepatitis B virus (HBV) are still unknown. To identify key regulators of HBV production, we performed short interfering RNA (siRNA) screening for Rab proteins, which are considered to act as molecular...

journal_title：Journal of virology

authors： Inoue J,Ninomiya M,Umetsu T,Nakamura T,Kogure T,Kakazu E,Iwata T,Takai S,Sano A,Fukuda M,Watashi K,Isogawa M,Tanaka Y,Shimosegawa T,McNiven MA,Masamune A

更新日期：2019-07-17 00:00:00

abstract：:Chicken embryo fibroblasts and NIH 3T3 mouse cells were transformable by DNAs of chicken cells infected with avian myelocytomatosis virus strain MC29 or with avian erythroblastosis virus. Transfection of chicken cells appeared to require replication of MC29 or avian erythroblastosis virus in the presence of a nontrans...

journal_title：Journal of virology

authors： Copeland NG,Cooper GM

更新日期：1980-03-01 00:00:00

abstract：:Titers of vaccinia virus consistently increased in cultures of washed phytohemagglutinin-treated, peripheral blood leukocytes of a vaccinated adult. Concomitantly, a gradual rise occurred in the numbers of infected leukocytes, as determined by the infective center assay. Increase in viral titer was accompanied by cell...

journal_title：Journal of virology

authors： Miller G,Enders JF

更新日期：1968-08-01 00:00:00

abstract：:The recognition of naturally occurring rhadinoviruses in macaque monkeys has spurred interest in their use as models for human infection with Kaposi sarcoma-associated herpesvirus (human herpesvirus 8). Rhesus macaques (Macaca mulatta) and pig-tailed macaques (Macaca nemestrina) were inoculated intravenously with rhad...

journal_title：Journal of virology

authors： Mansfield KG,Westmoreland SV,DeBakker CD,Czajak S,Lackner AA,Desrosiers RC

更新日期：1999-12-01 00:00:00

abstract：:Herpes simplex virus type 1 (HSV-1) infection causes the active degradation of the catalytic subunit of DNA-dependent protein kinase (DNA-PKcs), and this process is reliant on the expression of the HSV-1 immediate-early protein Vmw110. In this study we investigated in more detail the mechanism by which the degradation...

journal_title：Journal of virology

authors： Parkinson J,Lees-Miller SP,Everett RD

更新日期：1999-01-01 00:00:00

abstract：:The roles of intracellular naked (INV), cell-associated enveloped (CEV), and extracellular enveloped (EEV) forms of vaccinia virus in cell-to-cell and longer-range spread were investigated by using two closely related strains of vaccinia virus, WR and IHD-J. We confirmed previous results that WR and IHD-J produced sim...

journal_title：Journal of virology

authors： Blasco R,Moss B

更新日期：1992-07-01 00:00:00

abstract：UNLABELLED:The expression of the antiviral host cell factor tetherin is induced by interferon and can inhibit the release of enveloped viruses from infected cells. The Vpu protein of HIV-1 antagonizes the antiviral activity of tetherin, and tetherin antagonists with Vpu-like activity have been identified in other virus...

journal_title：Journal of virology

authors： Gnirß K,Zmora P,Blazejewska P,Winkler M,Lins A,Nehlmeier I,Gärtner S,Moldenhauer AS,Hofmann-Winkler H,Wolff T,Schindler M,Pöhlmann S

更新日期：2015-09-01 00:00:00

abstract：:The nature of the lesions involved in producing the fusiform phenotype of three mutants (WO101, WO201, and tsST529) of the Schmidt-Ruppin A strain of Rous sarcoma virus (RSV) was determined by molecular cloning and DNA sequencing. WO101 and WO201 contained an in-frame deletion of the v-src region coding for amino acid...

journal_title：Journal of virology

authors： Anderson SK,Fujita DJ

更新日期：1987-06-01 00:00:00

abstract：:Here, we report that specific manipulations of the cellular response to virus infection can cause prevention of apoptosis and consequent establishment of persistent infection. Infection of several human cell lines with Sendai virus (SeV) or human parainfluenza virus 3, two prototypic paramyxoviruses, caused slow apopt...

journal_title：Journal of virology

authors： Peters K,Chattopadhyay S,Sen GC

更新日期：2008-04-01 00:00:00

abstract：:HLA-B*57-mediated selection pressure leads to a typical escape pathway in human immunodeficiency virus type 1 (HIV-1) CD8 epitopes such as TW10. Whether this T242N pathway is shared by all clades remains unknown. We therefore assessed the nature of HLA-B*57 selection in a large, observational Kenyan cohort where clade...

journal_title：Journal of virology

authors： McKinnon LR,Capina R,Peters H,Mendoza M,Kimani J,Wachihi C,Kariri A,Kimani M,Richmond M,Kiazyk SK,Fowke KR,Jaoko W,Luo M,Ball TB,Plummer FA

更新日期：2009-12-01 00:00:00

abstract：:Thirteen point mutations targeting predicted domains conserved in homologous protein kinases were introduced into the UL97 coding region of the human cytomegalovirus. All mutagenized proteins were expressed in cells infected with recombinant vaccinia viruses (rVV). Several mutations drastically reduced ganciclovir (GC...

journal_title：Journal of virology

authors： Michel D,Kramer S,Höhn S,Schaarschmidt P,Wunderlich K,Mertens T

更新日期：1999-10-01 00:00:00

abstract：:Recent studies have established the presence of human T-cell lymphoma/leukemia virus type I (HTLV-I) in Melanesia. An HTLV-I strain, PNG-1, has now been isolated from a healthy member of the Hagahai, a remote, recently contacted group in Papua New Guinea. To further characterize PNG-1, we employed polymerase chain rea...

journal_title：Journal of virology

authors： Sherman MP,Saksena NK,Dube DK,Yanagihara R,Poiesz BJ

更新日期：1992-04-01 00:00:00

abstract：:Identifying protease cleavage sites contributes to our understanding of their specificity and biochemical properties and can help in designing specific inhibitors. One route to this end is the generation and screening of random libraries of cleavage sites. Both synthetic and phage-displayed libraries have been extensi...

journal_title：Journal of virology

authors： Pacini L,Vitelli A,Filocamo G,Bartholomew L,Brunetti M,Tramontano A,Steinkühler C,Migliaccio G

更新日期：2000-11-01 00:00:00

abstract：:Mosquito-borne alphaviruses, which replicate alternately and obligately in mosquitoes and vertebrates, appear to experience lower rates of evolution than do many RNA viruses that replicate solely in vertebrates. This genetic stability is hypothesized to result from the alternating host cycle, which constrains evolutio...

journal_title：Journal of virology

authors： Greene IP,Wang E,Deardorff ER,Milleron R,Domingo E,Weaver SC

更新日期：2005-11-01 00:00:00

abstract：:Viral infection is associated with a vigorous inflammatory response characterized by cellular infiltration and release of the proinflammatory cytokines interleukin-1 (IL-1) and tumor necrosis factor alpha (TNF-alpha). In the present study, we identified a novel function of human cytomegalovirus (HCMV) that results in ...

journal_title：Journal of virology

authors： Jarvis MA,Borton JA,Keech AM,Wong J,Britt WJ,Magun BE,Nelson JA

更新日期：2006-06-01 00:00:00

abstract：:The murine monoclonal antibody (MAb) 5A8, which is reactive with domain 2 of CD4, blocks human immunodeficiency virus type 1 (HIV-1) infection and syncytium formation of CD4+ cells (L. C. Burkly, D. Olson, R. Shapiro, G. Winkler, J. J. Rosa, D. W. Thomas, C. Williams, and P. Chisholm, J. Immunol., in press). Here we s...

journal_title：Journal of virology

authors： Moore JP,Sattentau QJ,Klasse PJ,Burkly LC

更新日期：1992-08-01 00:00:00

abstract：:Epstein-Barr virus (EBV) infection is mediated by several viral envelope glycoproteins. We have assessed gp110's functions during the virus life cycle using a mutant that lacks BALF4 (DeltaBALF4). Exposure of various cell lines and primary cell samples of epithelial or lymphoid lineages to the DeltaBALF4 mutant failed...

journal_title：Journal of virology

authors： Neuhierl B,Feederle R,Adhikary D,Hub B,Geletneky K,Mautner J,Delecluse HJ

更新日期：2009-05-01 00:00:00

abstract：:Herpes simplex virus 1 (HSV-1) genomes are associated with the repressive heterochromatic marks H3K9me2/me3 and H3K27me3 during latency. Previous studies have demonstrated that inhibitors of H3K9me2/me3 histone demethylases reduce the ability of HSV-1 to reactivate from latency. Here we demonstrate that GSK-J4, a spec...

journal_title：Journal of virology

authors： Messer HG,Jacobs D,Dhummakupt A,Bloom DC

更新日期：2015-03-01 00:00:00

abstract：:We have previously reported that infection with herpes simplex virus type 1 (HSV-1) activates expression of the human immunodeficiency virus type 1 (HIV-1) provirus in T cells. Activation of the HIV-1 provirus correlated with the activation of binding of 55- and 85-kDa proteins to the kappa B enhancer and binding of t...

journal_title：Journal of virology

authors： Vlach J,Pitha PM

更新日期：1993-07-01 00:00:00

abstract：:Antibody-dependent enhancement of flavivirus infection, which except for dengue virus is without clear proof in vivo, is still under debate. Recently, postexposure immunoglobulin prophylaxis against tick-borne encephalitis virus, a flavivirus, was claimed to possibly have worsened the outcome of infection due to antib...

journal_title：Journal of virology

authors： Kreil TR,Eibl MM

更新日期：1997-04-01 00:00:00

abstract：:ICP0 is a potent activator of herpes simplex virus type 1 gene expression in transient assays and in productive infection. A role for ICP0 in reactivation from latency in vivo has also been suggested on the basis of the observation that viruses with mutations in both copies of the diploid gene for ICP0 reactivate less...

journal_title：Journal of virology

authors： Cai W,Astor TL,Liptak LM,Cho C,Coen DM,Schaffer PA

更新日期：1993-12-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) can infect nondividing cells productively because the nuclear import of viral nucleic acids occurs in the absence of cell division. A number of viral factors that are present in HIV-1 preintegration complexes (PICs) have been assigned functions in nuclear import, including a...

journal_title：Journal of virology

authors： Dvorin JD,Bell P,Maul GG,Yamashita M,Emerman M,Malim MH

更新日期：2002-12-01 00:00:00

abstract：:Antisera were prepared against the amino acid sequences encoded within the N-terminal half of the adenovirus 12 (Ad12) early region 1A (E1A) gene. This was accomplished by construction of a plasmid vector which encoded the N-terminal 131 amino acids of Ad12 E1A joined in frame to the coding sequence of beta-galactosid...

journal_title：Journal of virology

authors： Scott MO,Kimelman D,Norris D,Ricciardi RP

更新日期：1984-06-01 00:00:00

abstract：:In order to elucidate the molecular mechanisms of action of the tat-responsive sequence, mutational analysis of the tat-responsive sequence was carried out. The most critical region comprised nucleotides +18 to +44 and included the 3-nucleotide bulge at positions +23 to +25, the loop sequence, and an intact stem. In a...

journal_title：Journal of virology

authors： Roy S,Parkin NT,Rosen C,Itovitch J,Sonenberg N

更新日期：1990-03-01 00:00:00