Heteroduplex mobility assay and phylogenetic analysis of V3 region sequences of human immunodeficiency virus type 1 isolates from Gulu, northern Uganda. The Italian-Ugandan Cooperation AIDS Program.

abstract：:Cytomegalovirus (CMV) retinitis is an important ocular complication in human immunodeficiency virus-infected individuals and the leading cause of blindness in those not undergoing highly active antiretroviral therapy. Murine CMV (MCMV) infection of mice has been shown to be a useful small-animal model for the study of...

journal_title：Journal of virology

authors： Kercher L,Mitchell BM

更新日期：2002-09-01 00:00:00

abstract：:Naturally occurring bovine-human reassortant rotaviruses with a P[11] VP4 genotype exhibit a tropism for neonates. Interaction of the VP8* domain of the spike protein VP4 with sialic acid was thought to be the key mediator for rotavirus infectivity. However, recent studies have indicated a role for nonsialylated glyco...

journal_title：Journal of virology

authors： Ramani S,Cortes-Penfield NW,Hu L,Crawford SE,Czako R,Smith DF,Kang G,Ramig RF,Le Pendu J,Prasad BV,Estes MK

更新日期：2013-07-01 00:00:00

abstract：:The putative role of nitric oxide in the neuropathogenesis of Borna disease was investigated by determining changes in the expression of inducible nitric oxide synthase (iNOS) mRNA and constitutively expressed NOS (cNOS) mRNA in brains of Borna disease virus (BDV)-infected rats. iNOS mRNA was not detected in normal ra...

journal_title：Journal of virology

authors： Zheng YM,Schäfer MK,Weihe E,Sheng H,Corisdeo S,Fu ZF,Koprowski H,Dietzschold B

更新日期：1993-10-01 00:00:00

abstract：:Persistent human immunodeficiency virus (HIV) infection of human monocytes and macrophages increases I kappa B alpha degradation, resulting in the activation of NF-kappa B, a key transcription factor in the regulation of the HIV long terminal repeat. The signal transduction pathways leading to NF-kappa B activation in...

journal_title：Journal of virology

authors： Folgueira L,Algeciras A,MacMorran WS,Bren GD,Paya CV

更新日期：1996-04-01 00:00:00

abstract：:The genetic basis for the distinctive capacity of influenza A/WSN/33 (H0N1) virus (WSN virus) to produce plaques on bovine kidney (MDBK) cells was found to be related to virus neuraminidase. Recombinant viruses that derived only the neuraminidase of WSN virus were capable of producing plaques, whereas recombinant viru...

journal_title：Journal of virology

authors： Schulman JL,Palese P

更新日期：1977-10-01 00:00:00

abstract：:The sole immediate-early (IE) gene of equine herpesvirus 1 encodes a 1,487-amino-acid (aa) regulatory phosphoprotein that independently activates expression of early viral genes. Coimmunoprecipitation assays demonstrated that the IE protein physically interacts with the general transcription factor TFIIB. Using a vari...

journal_title：Journal of virology

authors： Jang HK,Albrecht RA,Buczynski KA,Kim SK,Derbigny WA,O'Callaghan DJ

更新日期：2001-11-01 00:00:00

abstract：:Foamy viruses (FVs) generate their Pol protein precursor molecule independently of the Gag protein from a spliced mRNA. This mode of expression raises the question of the mechanism of Pol protein incorporation into the viral particle (capsid). We previously showed that the packaging of (pre)genomic RNA is essential fo...

journal_title：Journal of virology

authors： Peters K,Wiktorowicz T,Heinkelein M,Rethwilm A

更新日期：2005-06-01 00:00:00

abstract：:Several C/EBP binding sites within the Rous sarcoma virus (RSV) long terminal repeat (LTR) and gag enhancers were mutated, and the effect of these mutations on viral gene expression was assessed. Minimal site-specific mutations in each of three adjacent C/EBP binding sites in the LTR reduced steady-state viral RNA lev...

journal_title：Journal of virology

authors： Ryden TA,de Mars M,Beemon K

更新日期：1993-05-01 00:00:00

abstract：:The level of RNase activity in human interferon preparations was examined. Although sequential purification of interferon resulted in nearly a 300-fold increase in specific activity, RNase-specific activity remained more or less constant. The implications of this finding for the analyses of the mode of action of inter...

journal_title：Journal of virology

authors： Winchurch RA,Karpetsky TP,Levy CC,Cantell K

更新日期：1977-03-01 00:00:00

abstract：:We have selected neutralization escape mutants by using a monoclonal antibody (nt-MAb) against a sequential epitope between amino acids 93 through 104 (neutralization antigenic site I) of poliovirus type 1 Mahoney. The majority of mutants were also resistant against five strain-specific nt-MAbs which recognized confor...

journal_title：Journal of virology

authors： Wiegers K,Uhlig H,Dernick R

更新日期：1988-05-01 00:00:00

abstract：:The vif gene of human immunodeficiency virus type 1 is absolutely required for productive infection of primary cells derived from human blood and certain immortalized T lymphoid cells, for example, H9. Cells with this restrictive phenotype are termed nonpermissive, whereas cell lines in which vif-deficient virus can r...

journal_title：Journal of virology

authors： Simon JH,Malim MH

更新日期：1996-08-01 00:00:00

abstract：UNLABELLED:The interaction between viruses and immune cells of the host may lead to modulation of intracellular signaling pathways and to subsequent changes in cellular behavior that are of benefit for either virus or host. ERK1/2 (extracellular signal regulated kinase 1/2) signaling represents one of the key cellular ...

journal_title：Journal of virology

authors： Setas Pontes M,Devriendt B,Favoreel HW

更新日期：2015-02-01 00:00:00

abstract：:A virus structurally similar to viruses associated with maedi, progressive pneumonia, and visna of sheep has been isolated from buffy coat cells of cattle with chronic lymphocytosis. Electron microscope studies revealed three variants of the virion: (i) an intracytoplasmic form 98 to 116 nm in diameter when occurring ...

journal_title：Journal of virology

authors： Boothe AD,Van der Maaten AJ

更新日期：1974-01-01 00:00:00

abstract：:Influenza A virus matrix protein M1 is involved in multiple stages of the viral infectious cycle. Despite its functional importance, our present understanding of this essential viral protein is limited. The roles of a small subset of specific amino acids have been reported, but a more comprehensive understanding of th...

journal_title：Journal of virology

authors： Hom N,Gentles L,Bloom JD,Lee KK

更新日期：2019-06-14 00:00:00

abstract：:Extracellular murine leukemia virus (MLV) reverse transcriptase activity was decreased by interferon treatment in four interferon-sensitive mouse cell lines which were chronic MLV producers. In three cell lines which were relatively insensitive to interferon, extracellular enzyme activity remained unchanged by interfe...

journal_title：Journal of virology

authors： Friedman RM,Chang EH,Ramseur JM,Myers MW

更新日期：1975-09-01 00:00:00

abstract：:RNA packaging signals (psi) from the 5' ends of murine and avian retroviral genomes have previously been shown to direct encapsidation of heterologous mRNA into the retroviral virion. The avian 5' packaging region has now been further characterized, and we have defined a 270-nucleotide sequence, A psi, which is suffic...

journal_title：Journal of virology

authors： Aronoff R,Hajjar AM,Linial ML

更新日期：1993-01-01 00:00:00

abstract：:The gamma(1)34.5 protein, a virulence factor of herpes simplex viruses, redirects protein phosphatase 1 to dephosphorylate the alpha subunit of translation initiation factor 2 (eIF2alpha). Additionally, it inhibits the induction of antiviral genes by TANK-binding kinase 1. Nevertheless, its precise role in vivo remain...

journal_title：Journal of virology

authors： Verpooten D,Feng Z,Valyi-Nagy T,Ma Y,Jin H,Yan Z,Zhang C,Cao Y,He B

更新日期：2009-12-01 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：:Three drug-dependent mutants of human rhinovirus 16 (HRV16) were characterized by sequence analyses of spontaneous mutant isolates and were genetically reconstructed from a parental cDNA plasmid. These mutants formed plaques in the presence but not in the absence of the selecting antiviral drug, WIN 52035, which binds...

journal_title：Journal of virology

authors： Wang W,Lee WM,Mosser AG,Rueckert RR

更新日期：1998-02-01 00:00:00

abstract：:We have investigated the mechanism of duck hepatitis B virus (DHBV) entry into susceptible primary duck hepatocytes (PDHs), using mutants of carboxypeptidase D (gp180), a transmembrane protein shown to act as the primary cellular receptor for avian hepatitis B virus uptake. The variant proteins were abundantly produce...

journal_title：Journal of virology

authors： Breiner KM,Schaller H

更新日期：2000-03-01 00:00:00

abstract：:The Middle East respiratory syndrome coronavirus (MERS-CoV) nonstructural protein 16 (nsp16) is an S-adenosyl-l-methionine (SAM)-dependent 2'-O-methyltransferase (2'-O-MTase) that is thought to methylate the ribose 2'-OH of the first transcribed nucleotide (N1) of viral RNA cap structures. This 2'-O-MTase activity is ...

journal_title：Journal of virology

authors： Aouadi W,Blanjoie A,Vasseur JJ,Debart F,Canard B,Decroly E

更新日期：2017-02-14 00:00:00

abstract：:The regressing and conventional strains of Friend virus were compared by neutralization assays, sodium dodecyl sulfate-polyacrylamide gel electrophoresis, and tryptic peptide mapping of the individual viral components. Neutralization rates of the two viruses differed in the presence of monospecific anti-gp70 antiserum...

journal_title：Journal of virology

authors： Furmanski P,Longley C,Bolles CS,Hines DL,Dietz M

更新日期：1980-03-01 00:00:00

abstract：:Autographa californica nuclear polyhedrosis virus late and very late mRNAs are transcribed by an RNA polymerase consisting of four virus-encoded polypeptides: LEF-8, LEF-9, LEF-4, and p47. The 464-amino-acid LEF-4 subunit contains the signature motifs of GTP:RNA guanylyltransferases (capping enzymes). Here, we show th...

journal_title：Journal of virology

authors： Gross CH,Shuman S

更新日期：1998-12-01 00:00:00

abstract：:Influenza A H9N2 viruses are common poultry pathogens that occasionally infect swine and humans. It has been shown previously with H9N2 viruses that reassortment can generate novel viruses with increased transmissibility. Here, we demonstrate the modeling power of a novel transfection-based inoculation system to selec...

journal_title：Journal of virology

authors： Kimble JB,Angel M,Wan H,Sutton TC,Finch C,Perez DR

更新日期：2014-01-01 00:00:00

abstract：:We have examined the pathway of rhinovirus interaction with soluble intercellular adhesion molecule 1 (sICAM-1). Binding of sICAM-1 to rhinovirus serotypes 3 and 14 gives particles with sedimentation coefficients from 145 to 120S, depending on the amount of sICAM-1 bound. The formation of 120S particles is faster and ...

journal_title：Journal of virology

authors： Casasnovas JM,Springer TA

更新日期：1994-09-01 00:00:00

abstract：:We observed two patterns of chemokine expression in the lungs of mice infected with murine gammaherpesvirus 68: peaks of chemokine expression correlated with or occurred after the peak of viral gene expression. Chemokine expression remained elevated through 29 days postinfection. ...

journal_title：Journal of virology

authors： Weinberg JB,Lutzke ML,Efstathiou S,Kunkel SL,Rochford R

更新日期：2002-10-01 00:00:00

abstract：UNLABELLED:Recent evidence suggests that even in treated infections, human immunodeficiency virus (HIV) and simian immunodeficiency virus (SIV) replication may continue in lymph nodes (LN), serving as a potential virus reservoir. Here we investigated the effects of lentivirus infection on natural killer (NK) cell frequ...

journal_title：Journal of virology

authors： Schafer JL,Li H,Evans TI,Estes JD,Reeves RK

更新日期：2015-07-01 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：:Sequences present at the genomic termini of herpesviruses become linked during lytic-phase replication and provide the substrate for cleavage and packaging of unit length viral genomes. We have previously shown that homologs of the consensus herpesvirus cleavage-packaging signals, pac1 and pac2, are located at the lef...

journal_title：Journal of virology

authors： Deng H,Dewhurst S

更新日期：1998-01-01 00:00:00

abstract：:Bluetongue virus (BTV), a member of the Reoviridae family, is an insect-borne animal pathogen. Virus release from infected cells is predominantly by cell lysis, but some BTV particles are also released from the plasma membrane. The nonstructural protein NS3 has been implicated in this process. Using alternate initiato...

journal_title：Journal of virology

authors： Celma CC,Roy P

更新日期：2011-05-01 00:00:00