Specificity and sequence requirements for interactions between various retroviral Gag proteins.

abstract：:Viruses efficiently block the host antiviral response in order to replicate and spread before host intervention. The mechanism initiating antiviral immunity during stealth viral replication is unknown, but recent data demonstrate that defective viral genomes generated at peak virus replication are critical for this pr...

journal_title：Journal of virology

authors： López CB

更新日期：2014-08-01 00:00:00

abstract：:Enzymatic markers and electron microscopy were utilized to determine the cellular origin of the membrane types isolated from type 2 dengue virus-infected BHK cells by discontinuous sucrose gradient centrifugation. The results showed an apparent separation of plasma membrane, smooth and rough endoplasmic reticulum with...

journal_title：Journal of virology

authors： Stohlman SA,Wisseman CL Jr,Eylar OR,Silverman DJ

更新日期：1975-10-01 00:00:00

abstract：:To investigate the relation between the polyoma tumor-specific transplantation antigen and the virus-coded proteins, mice were immunized by inoculation of a variety of viable polyoma virus mutants and then challenged with polyoma virus-induced tumors. Two classes of early region mutants were used. One class produces a...

journal_title：Journal of virology

authors： Dalianis T,Magnusson G,Ito Y,Klein G

更新日期：1982-09-01 00:00:00

abstract：:Hepatitis A virus (HAV) 3C proteinase expressed in Escherichia coli was purified to homogeneity, and its cleavage specificity towards various parts of the viral polyprotein was analyzed. Intermolecular cleavage of the P2-P3 domain of the HAV polyprotein gave rise to proteins 2A, 2B, 2C, 3ABC, and 3D, suggesting that i...

journal_title：Journal of virology

authors： Schultheiss T,Sommergruber W,Kusov Y,Gauss-Müller V

更新日期：1995-03-01 00:00:00

abstract：:Rhesus monkey rhadinovirus (RRV), a simian gamma-2 herpesvirus closely related to the Kaposi sarcoma-associated herpesvirus, replicates lytically in cultured rhesus monkey fibroblasts and establishes persistence in B cells. Overlapping cosmid clones were generated that encompass the entire 130-kilobase-pair genome of ...

journal_title：Journal of virology

authors： Bilello JP,Morgan JS,Damania B,Lang SM,Desrosiers RC

更新日期：2006-02-01 00:00:00

abstract：:Three late transcripts have been mapped to the vaccinia virus 7.1-kilobase (kb) EcoRI F fragment, which is located approximately 85 kb from the left end of the viral genome. Hybrid selection and translation of RNA have demonstrated that these mRNAs encode three polypeptides with apparent molecular weights of 32,000 (3...

journal_title：Journal of virology

authors： Mahr A,Roberts BE

更新日期：1984-02-01 00:00:00

abstract：:Diminished in vitro proliferation of human immunodeficiency virus type 1 (HIV-1)-specific CD4+T cells has been associated with HIV-1 viremia and declining CD4+ T-cell counts during chronic infection. To better understand this phenomenon, we examined whether HIV-1 Gag p24 antigen-induced CD4+ T-cell proliferation might...

journal_title：Journal of virology

authors： Boritz E,Palmer BE,Wilson CC

更新日期：2004-11-01 00:00:00

abstract：:For human parainfluenza virus type 3 and many other paramyxoviruses, membrane fusion mediated by the fusion protein (F) has a stringent requirement for the presence of the homotypic hemagglutinin-neuraminidase protein (HN). With the goal of gaining further insight into the role of HN in the fusion process, we develope...

journal_title：Journal of virology

authors： Porotto M,Murrell M,Greengard O,Moscona A

更新日期：2003-03-01 00:00:00

abstract：:The membrane-proximal external region (MPER) of the human immunodeficiency virus (HIV) envelope glycoprotein (gp41) is critical for viral fusion and infectivity and is the target of three of the five known broadly neutralizing HIV type 1 (HIV-1) antibodies, 2F5, Z13, and 4E10. Here, we report the crystal structure of ...

journal_title：Journal of virology

authors： Pejchal R,Gach JS,Brunel FM,Cardoso RM,Stanfield RL,Dawson PE,Burton DR,Zwick MB,Wilson IA

更新日期：2009-09-01 00:00:00

abstract：:Viral fusogenic membrane proteins have been proposed as tools to increase the potency of oncolytic viruses, but there is a need for mechanisms to control the spread of fusogenic viruses in normal versus tumor cells. We have previously shown that a mutant of the paramyxovirus simian virus 5 (SV5) that harbors mutations...

journal_title：Journal of virology

authors： Gainey MD,Manuse MJ,Parks GD

更新日期：2008-10-01 00:00:00

abstract：:Herpesviruses establish latency in suitable host cells after primary infection and persist in their host organisms for life. Most of the viral genes are silenced during latency, also enabling the virus to escape from an immune response. This study addresses the control of viral gene silencing by epigenetic mechanisms,...

journal_title：Journal of virology

authors： Alberter B,Vogel B,Lengenfelder D,Full F,Ensser A

更新日期：2011-06-01 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：:Human T-cell leukemia virus type 1 (HTLV-1) encodes a 40-kDa Tax phosphoprotein. Tax is a transcriptional activator which modulates expression of the viral long terminal repeat and transcription of many cellular genes. Because Tax is a critical HTLV-1 factor which mediates viral transformation of T cells during the ge...

journal_title：Journal of virology

authors： Peloponese JM Jr,Iha H,Yedavalli VR,Miyazato A,Li Y,Haller K,Benkirane M,Jeang KT

更新日期：2004-11-01 00:00:00

abstract：:Macrophages perform a central role in the pathogenesis of human immunodeficiency virus type 1 (HIV-1) infection and have been implicated as the cell type most prominent in the development of central nervous system impairment. In this study, we evaluated the effect of interaction between macrophages and endothelial cel...

journal_title：Journal of virology

authors： Gilles PN,Lathey JL,Spector SA

更新日期：1995-04-01 00:00:00

abstract：:Vaccinia extracellular enveloped virus (EEV) is critical for cell-to-cell and long-range virus spread both in vitro and in vivo. The B5R gene encodes an EEV-specific type I membrane protein that is essential for efficient EEV formation. The majority of the B5R ectodomain consists of four domains with homology to short...

journal_title：Journal of virology

authors： Aldaz-Carroll L,Whitbeck JC,Ponce de Leon M,Lou H,Hirao L,Isaacs SN,Moss B,Eisenberg RJ,Cohen GH

更新日期：2005-05-01 00:00:00

abstract：:By preannealing a radioactive, representative Moloney murine leukemia virus (M-MuLV) cDNA with large excesses of AKR 70S viral RNA, an M-MuLV-specific cDNA has been prepared. When hybridized to restriction enzyme fragments of M-MuLV-infected mouse cell DNA, the preannealed probe recognizes integrated M-MuLV DNA and do...

journal_title：Journal of virology

authors： Bacheler LT,Fan H

更新日期：1980-03-01 00:00:00

abstract：:Herpes simplex virus 1 genome consists of two covalently linked components, L and S, that invert relative to each other to yield four equimolar isomeric populations designated P (prototype), Is (inversion of S component), Il (inversion of L component), and Ils (inversion of L and S components) differing in the orienta...

journal_title：Journal of virology

authors： Jenkins FJ,Roizman B

更新日期：1986-08-01 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：:Previous studies have suggested that coxsackievirus B (CVB) activates CD8(+) T cells in vivo, but the extent of this activation and the antigen specificity of the CD8(+) T cells remain uncertain. Furthermore, CVB-induced CD4(+) T-cell responses have not been carefully investigated. Herein, we evaluate CD8(+) and CD4(+...

journal_title：Journal of virology

authors： Kemball CC,Harkins S,Whitton JL

更新日期：2008-05-01 00:00:00

abstract：:Human T-cell lymphotropic virus type 1 (HTLV-1) is the etiological agent involved in the disease HTLV-1-associated myelopathy, or tropical spastic paraparesis (HAM/TSP). The pathogenesis of HAM/TSP is poorly understood, but it is probable that viral infection has an indirect, deleterious effect on neural function. In ...

journal_title：Journal of virology

authors： Akaoka H,Hardin-Pouzet H,Bernard A,Verrier B,Belin MF,Giraudon P

更新日期：1996-12-01 00:00:00

abstract：:African swine fever virus (ASFV) multigene family 360 and 530 (MGF360/530) genes affect viral growth in macrophage cell cultures and virulence in pigs (L. Zsak, Z. Lu, T. G. Burrage, J. G. Neilan, G. F. Kutish, D. M. Moore, and D. L. Rock, J. Virol. 75:3066-3076, 2001). The mechanism by which these novel genes affect ...

journal_title：Journal of virology

authors： Afonso CL,Piccone ME,Zaffuto KM,Neilan J,Kutish GF,Lu Z,Balinsky CA,Gibb TR,Bean TJ,Zsak L,Rock DL

更新日期：2004-02-01 00:00:00

abstract：:We applied deep sequencing technology to small RNA fractions from cells lytically infected with murine gammaherpesvirus 68 (gammaHV68) in order to define in detail small RNAs generated from a cluster of tRNA-related polycistronic structures located at the left end of the viral genome. We detected 10 new candidate micr...

journal_title：Journal of virology

authors： Reese TA,Xia J,Johnson LS,Zhou X,Zhang W,Virgin HW

更新日期：2010-10-01 00:00:00

abstract：:Oncostatin M (OSM) is released together with type I interferon (IFN) by activated dendritic cells, suggesting a concerted action of these cytokines in the biological response against infection. We found that OSM increases the antiviral effect of IFN-alpha in Huh7 hepatoma cells infected with hepatitis A or hepatitis C...

journal_title：Journal of virology

authors： Larrea E,Aldabe R,Gonzalez I,Segura V,Sarobe P,Echeverria I,Prieto J

更新日期：2009-04-01 00:00:00

abstract：:We report several biological activities of a synthetic peptide whose sequence contains the highly conserved region of feline leukemia virus transmembrane protein (TM) synthetically linked to another short TM-derived sequence particularly rich in polar positive residues. This 29-amino-acid peptide blocked [3H]thymidine...

journal_title：Journal of virology

authors： Wegemer DE,Kabat KG,Kloetzer WS

更新日期：1990-04-01 00:00:00

abstract：:Rio Bravo virus (RBV) is a member of the family Flaviviridae, genus Flavivirus. It belongs to a group of viruses in the genus with no known vector. In this report, we analyze the complete genome of the prototype RBV, strain M64. ...

journal_title：Journal of virology

authors： Volkova E,Tesh RB,Monath TP,Vasilakis N

更新日期：2012-04-01 00:00:00

abstract：:Antisera were prepared against the three structural polypeptides of HADEN virus dissociated with sodium dodecyl sulfate. These immunological reagents were used in immunofluorescence tests to study the kinetics and location of polypeptide antigen appearance in infected cells. These sera did not neutralize virus infecti...

journal_title：Journal of virology

authors： Croft GF,Hoggan MD,Johnson FB

更新日期：1974-03-01 00:00:00

abstract：:Many viral fusion proteins are primed by proteolytic cleavage near their fusion peptides. While the coronavirus (CoV) spike (S) protein is known to be cleaved at the S1/S2 boundary, this cleavage site is not closely linked to a fusion peptide. However, a second cleavage site has been identified in the severe acute res...

journal_title：Journal of virology

authors： Madu IG,Roth SL,Belouzard S,Whittaker GR

更新日期：2009-08-01 00:00:00

abstract：:We prepared retrovirus packaging cell lines containing gag-pol genes from spleen necrosis virus (expressed from a cytomegalovirus promoter and the simian virus 40 (SV40) polyadenylation sequences) and, on a separate vector, either the env gene from spleen necrosis virus (expressed from the Rous sarcoma virus promoter ...

journal_title：Journal of virology

authors： Dougherty JP,Wisniewski R,Yang SL,Rhode BW,Temin HM

更新日期：1989-07-01 00:00:00

abstract：:Influenza A virus encodes M2, a proton channel that has been shown to be important during virus entry and assembly. In order to systematically investigate the role of the membrane-proximal residues in the M2 cytoplasmic tail in virus replication, we utilized scanning and directed alanine mutagenesis in combination wit...

journal_title：Journal of virology

authors： Stewart SM,Pekosz A

更新日期：2011-12-01 00:00:00

abstract：:Glycoprotein B (gB) is the most highly conserved of the envelope glycoproteins of human herpesviruses. The gB protein of human cytomegalovirus (CMV) serves multiple roles in the life cycle of the virus. To investigate structural properties of gB that give rise to its function, we sought to determine the disulfide bond...

journal_title：Journal of virology

authors： Lopper M,Compton T

更新日期：2002-06-01 00:00:00