Regulation of hepatocyte nuclear factor 1 activity by wild-type and mutant hepatitis B virus X proteins.

abstract：:Rift Valley fever virus (RVFV), a phlebovirus of the family Bunyaviridae, is a major public health threat in Egypt and sub-Saharan Africa. The viral and host cellular factors that contribute to RVFV virulence and pathogenicity are still poorly understood. All pathogenic RVFV strains direct the synthesis of a nonstruct...

journal_title：Journal of virology

authors： Bouloy M,Janzen C,Vialat P,Khun H,Pavlovic J,Huerre M,Haller O

更新日期：2001-02-01 00:00:00

abstract：:All human influenza pandemics have originated from avian influenza viruses. Although multiple changes are needed for an avian virus to be able to transmit between humans, binding to human-type receptors is essential. Several research groups have reported mutations in H5N1 viruses that exhibit specificity for human-typ...

journal_title：Journal of virology

authors： Peng W,Bouwman KM,McBride R,Grant OC,Woods RJ,Verheije MH,Paulson JC,de Vries RP

更新日期：2018-04-27 00:00:00

abstract：UNLABELLED:Retargeting of gammaretroviral envelope proteins has shown promising results in the isolation of novel isolates with therapeutic potential. However, the optimal conditions required to obtain high-affinity retargeted envelope proteins with narrow tropism are not understood. This study highlights the advantage...

journal_title：Journal of virology

authors： Valdivieso-Torres L,Sarangi A,Whidby J,Marcotrigiano J,Roth MJ

更新日期：2015-12-30 00:00:00

abstract：:Recombinant protein subunit AIDS vaccines have been based predominantly on the virus envelope protein. Such vaccines elicit neutralizing antibody responses that can provide type-specific sterilizing immunity, but in most cases do not confer protection against divergent viruses. In this report we demonstrate that a mul...

journal_title：Journal of virology

authors： Voss G,Manson K,Montefiori D,Watkins DI,Heeney J,Wyand M,Cohen J,Bruck C

更新日期：2003-01-01 00:00:00

abstract：:We have demonstrated that a liposomal array of well-ordered trimers enhances B cell activation, germinal center formation, and the elicitation of tier-2 autologous neutralizing antibodies. Previously, we coupled well-ordered cleavage-independent NFL trimers via their C-terminal polyhistidine tails to nickel lipids int...

journal_title：Journal of virology

authors： Bale S,Goebrecht G,Stano A,Wilson R,Ota T,Tran K,Ingale J,Zwick MB,Wyatt RT

更新日期：2017-07-27 00:00:00

abstract：:The retroviral Gag precursor plays an important role in the assembly of virion particles. The capsid (CA) protein of the Gag molecule makes a major contribution to this process. In the crystal structure of the free CA protein of the human immunodeficiency virus type 1 (HIV-1), 11 residues of the C terminus were found ...

journal_title：Journal of virology

authors： Melamed D,Mark-Danieli M,Kenan-Eichler M,Kraus O,Castiel A,Laham N,Pupko T,Glaser F,Ben-Tal N,Bacharach E

更新日期：2004-09-01 00:00:00

abstract：:We tested the ability of human monoclonal antibodies (immunoglobulin G1b12 [IgG1b12] and 19b) and CD4-based molecules (CD4-IgG2 and soluble CD4 [sCD4]) to neutralize human immunodeficiency virus type 1 directly from the plasma of seropositive donors in an ex vivo neutralization assay. IgG1b12 and CD4-IgG2, at concentr...

journal_title：Journal of virology

authors： Gauduin MC,Allaway GP,Maddon PJ,Barbas CF 3rd,Burton DR,Koup RA

更新日期：1996-04-01 00:00:00

abstract：:We have used immunofluorescence in parallel with transmission and scanning electron microscopy to characterize the unusual cytoplasmic and nucleolar accumulation of Simian virus 40 (SV40) virion protein (C antigen) at restrictive temperatures (39 to 41 C) in monkey cells infected with a temperature-sensitive mutant of...

journal_title：Journal of virology

authors： Widmer C,Robb JA

更新日期：1974-12-01 00:00:00

abstract：:During all stages of infection, herpes simplex virus 1 (HSV-1) expresses viral microRNAs (miRNAs). There are at least 20 confirmed HSV-1 miRNAs, yet the roles of individual miRNAs in the context of viral infection remain largely uncharacterized. We constructed a recombinant virus lacking the sequences for miR-H1-5p an...

journal_title：Journal of virology

authors： Barrozo ER,Nakayama S,Singh P,Vanni EAH,Arvin AM,Neumann DM,Bloom DC

更新日期：2020-07-16 00:00:00

abstract：:Following intranasal administration, the severe acute respiratory syndrome (SARS) coronavirus replicated to high titers in the respiratory tracts of BALB/c mice. Peak replication was seen in the absence of disease on day 1 or 2, depending on the dose administered, and the virus was cleared within a week. Viral antigen...

journal_title：Journal of virology

authors： Subbarao K,McAuliffe J,Vogel L,Fahle G,Fischer S,Tatti K,Packard M,Shieh WJ,Zaki S,Murphy B

更新日期：2004-04-01 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：:Axl, a plasma membrane-associated Tyro3/Axl/Mer (TAM) family member, is necessary for optimal Zaire ebolavirus (ZEBOV) glycoprotein (GP)-dependent entry into some permissive cells but not others. To date, the role of Axl in virion entry is unknown. The focus of this study was to characterize entry pathways that are us...

journal_title：Journal of virology

authors： Hunt CL,Kolokoltsov AA,Davey RA,Maury W

更新日期：2011-01-01 00:00:00

abstract：:Herpes simplex virus 1 (HSV-1) capsids leave the nucleus by a process of envelopment and de-envelopment at the nuclear envelope (NE) that is accompanied by structural alterations of the NE. As capsids translocate across the NE, transient primary enveloped virions form in the perinuclear space. Here, we provide evidenc...

journal_title：Journal of virology

authors： Maric M,Shao J,Ryan RJ,Wong CS,Gonzalez-Alegre P,Roller RJ

更新日期：2011-10-01 00:00:00

abstract：:Defective interfering RNAs have long been thought to be a causal factor of persistent RNA virus infections. Here we describe a novel type of defective genome of lymphocytic choriomeningitis virus and the unique mechanism by which these RNAs appear to contribute to the establishment and maintenance of persistent infect...

journal_title：Journal of virology

authors： Meyer BJ,Southern PJ

更新日期：1997-09-01 00:00:00

abstract：:Mice that express the viral oncoprotein simian virus 40 (SV40) large T antigen (T-Ag) as a transgene provide useful models for the assessment of the state of the host immune response in the face of spontaneous tumor progression. Line SV11 (H2(b)) mice develop rapidly progressing choroid plexus tumors due to expression...

journal_title：Journal of virology

authors： Schell TD

更新日期：2004-02-01 00:00:00

abstract：:Hepatitis C Virus (HCV) NS4B protein induces a specialized membrane structure which may serve as the replication platform for HCV RNA replication. In the present study, we demonstrated that NS4B has lipid modifications (palmitoylation) on two cysteine residues (cysteines 257 and 261) at the C-terminal end. Site-specif...

journal_title：Journal of virology

authors： Yu GY,Lee KJ,Gao L,Lai MM

更新日期：2006-06-01 00:00:00

abstract：:HIV-1 infections cannot be completely eradicated by drug therapy, as the virus persists in reservoirs. Low-level plasma viremia has been detected in patients treated for over 7 years, but the cellular compartments that support this low-level viremia have not been identified. The decay of HIV-1 during treatment appears...

journal_title：Journal of virology

authors： Zhang J,Perelson AS

更新日期：2013-07-01 00:00:00

abstract：:The hepadnavirus P gene contains amino acid sequences which share homology with all known RNases H. In this study, we made four mutants in which single amino acids of the duck hepatitis B virus (DHBV) RNase H region were altered. In two of them, amino acids at locations comprising the putative catalytic site were chan...

journal_title：Journal of virology

authors： Chen Y,Marion PL

更新日期：1996-09-01 00:00:00

abstract：:To better understand the virological aspect of the expanding AIDS epidemic in southern Africa, a set of 23 near-full-length clones of human immunodeficiency virus type 1 (HIV-1) representing eight AIDS patients from Botswana were sequenced and analyzed phylogenetically. All study viruses from Botswana belonged to HIV-...

journal_title：Journal of virology

authors： Novitsky VA,Montano MA,McLane MF,Renjifo B,Vannberg F,Foley BT,Ndung'u TP,Rahman M,Makhema MJ,Marlink R,Essex M

更新日期：1999-05-01 00:00:00

abstract：:Techniques are described for the growth and rapid purification of the avian coronavirus infectious bronchitis virus (IBV). Purified IBV has a sedimentation coefficient of 320S and a buoyant density of 1.22 g/ml in sucrose-deuterium oxide equilibrium gradients. IBV RNA extracted by proteinase K in the presence of sodiu...

journal_title：Journal of virology

authors： Lomniczi B,Kennedy I

更新日期：1977-10-01 00:00:00

abstract：:Due to increasing concerns about human infection by various H7 influenza viruses, including recent H7N9 viruses, we evaluated the genetic relationships and cross-protective efficacies of three different Eurasian H7 avian influenza viruses. Phylogenic and molecular analyses revealed that recent Eurasian H7 viruses can ...

journal_title：Journal of virology

authors： Kwon HI,Kim YI,Park SJ,Song MS,Kim EH,Kim SM,Si YJ,Lee IW,Song BM,Lee YJ,Yun SJ,Kim WJ,Choi YK

更新日期：2017-05-12 00:00:00

abstract：:The fusion (F) protein of simian virus 5 (strain W3A) induced extensive cell fusion in BHK cells when expressed alone, while that of strain WR did not. Mutational analysis demonstrated that the fusing activity can be transferred to the WR F protein by a proline residue at position 22 of subunit W3A F2. ...

journal_title：Journal of virology

authors： Ito M,Nishio M,Kawano M,Kusagawa S,Komada H,Ito Y,Tsurudome M

更新日期：1997-12-01 00:00:00

abstract：UNLABELLED:JC polyomavirus (JCPyV) infection of immunocompromised individuals results in the fatal demyelinating disease progressive multifocal leukoencephalopathy (PML). The viral capsid of JCPyV is composed primarily of the major capsid protein virus protein 1 (VP1), and pentameric arrangement of VP1 monomers results...

journal_title：Journal of virology

authors： Nelson CD,Ströh LJ,Gee GV,O'Hara BA,Stehle T,Atwood WJ

更新日期：2015-04-01 00:00:00

abstract：:The Epstein-Barr virus (EBV) lytic activator genes bzlf1 and brlf1 are conventionally referred to as immediate-early (IE) genes. However, previous studies showed that the earliest expression of these genes was blocked by cycloheximide when the EBV lytic cycle was induced by histone deacetylase (HDAC) inhibitors and pr...

journal_title：Journal of virology

authors： Ye J,Gradoville L,Miller G

更新日期：2010-12-01 00:00:00

abstract：:Astrovirus is one of the major causes of infant and childhood diarrhea worldwide. Our understanding of astrovirus pathogenesis trails behind our knowledge of its molecular and epidemiologic properties. Using a recently developed small-animal model, we investigated the mechanisms by which astrovirus induces diarrhea an...

journal_title：Journal of virology

authors： Koci MD,Kelley LA,Larsen D,Schultz-Cherry S

更新日期：2004-02-01 00:00:00

abstract：:We have used cDNA arrays to compare the activation of various cellular genes in response to infection with Sendai viruses (SeV) that contain specific mutations. Three groups of cellular genes activated by mutant SeV infection, but not by wild-type SeV, were identified in this way. While some of these genes are well kn...

journal_title：Journal of virology

authors： Strähle L,Garcin D,Le Mercier P,Schlaak JF,Kolakofsky D

更新日期：2003-07-01 00:00:00

abstract：:Satellite RNAs are the smallest infectious agents whose replication is thought to be completely dependent on their helper virus (HV). Here we report that, when expressed autonomously in the absence of HV, a variant of satellite RNA (satRNA) associated with Cucumber mosaic virus strain Q (Q-satRNA) has a propensity to ...

journal_title：Journal of virology

authors： Choi SH,Seo JK,Kwon SJ,Rao AL

更新日期：2012-05-01 00:00:00

abstract：:Reoviruses isolated from persistently infected cultures (PI viruses) can grow in the presence of ammonium chloride, a weak base that blocks acid-dependent proteolysis of viral outer-capsid proteins during viral entry into cells. We used reassortant viruses isolated from crosses of wild-type (wt) reovirus strain, type ...

journal_title：Journal of virology

authors： Wetzel JD,Wilson GJ,Baer GS,Dunnigan LR,Wright JP,Tang DS,Dermody TS

更新日期：1997-02-01 00:00:00

abstract：:The mechanism by which herpes simplex virus 1 (HSV-1) establishes latency in sensory neurons is largely unknown. Recent studies indicate that epigenetic modifications of the chromatin associated with the latent genome may play a key role in the transcriptional control of lytic genes during latency. In this study, we f...

journal_title：Journal of virology

authors： Kwiatkowski DL,Thompson HW,Bloom DC

更新日期：2009-08-01 00:00:00

abstract：:Insertion of a region, including the 18-nucleotide-long intergenic sequence between genes 6 and 7 of mouse hepatitis virus (MHV) genomic RNA, into an MHV defective interfering (DI) RNA leads to transcription of subgenomic DI RNA in helper virus-infected cells (S. Makino, M. Joo, and J. K. Makino, J. Virol. 66:6031-604...

journal_title：Journal of virology

authors： Makino S,Joo M

更新日期：1993-06-01 00:00:00