Testing the hypothesis of a recombinant origin of human immunodeficiency virus type 1 subtype E.

abstract：:p60src, the transforming protein of Rous sarcoma virus, was found to contain 0.5 to 0.9 mol of total phosphate per mol of polypeptide. The protein is known to be phosphorylated at two sites, a serine in the amino-terminal domain and a tyrosine in the carboxy-terminal domain. Because our indirect analysis suggests that...

journal_title：Journal of virology

authors： Sefton BM,Patschinsky T,Berdot C,Hunter T,Elliott T

更新日期：1982-03-01 00:00:00

abstract：:The characteristics of fusion of respiratory syncytial virus (RSV) with HEp-2 cells were studied by the R18 fluorescence dequenching assay of membrane fusion. A gradual increase in fluorescence intensity indicative of virion-cell fusion was observed when R18-labeled RSV was incubated with HEp-2 cells. Approximately 35...

journal_title：Journal of virology

authors： Srinivasakumar N,Ogra PL,Flanagan TD

更新日期：1991-08-01 00:00:00

abstract：:The pandemic H1N1 virus of 2009 (2009 H1N1) continues to cause illness worldwide, primarily in younger age groups. To better understand the pathogenesis of these viruses in mammals, we used a mouse model to evaluate the relative virulence of selected 2009 H1N1 viruses and compared them to a representative human triple...

journal_title：Journal of virology

authors： Belser JA,Wadford DA,Pappas C,Gustin KM,Maines TR,Pearce MB,Zeng H,Swayne DE,Pantin-Jackwood M,Katz JM,Tumpey TM

更新日期：2010-05-01 00:00:00

abstract：:Seasonal influenza viruses are a major cause of human disease worldwide. Most neutralizing antibodies (Abs) elicited by influenza viruses target the head domain of the hemagglutinin (HA) protein. Anti-HA head Abs can be highly potent, but they have limited breadth since the HA head is variable. There is great interest...

journal_title：Journal of virology

authors： Christensen SR,Toulmin SA,Griesman T,Lamerato LE,Petrie JG,Martin ET,Monto AS,Hensley SE

更新日期：2019-04-03 00:00:00

abstract：:Rift Valley fever virus (RVFV), a phlebovirus of the Bunyaviridae family, is an arthropod-borne virus which emerges periodically throughout Africa, emphasizing that it poses a major threat for animal and human populations. To assess the genetic variability of RVFV, several isolates from diverse localities of Africa we...

journal_title：Journal of virology

authors： Sall AA,Zanotto PM,Sene OK,Zeller HG,Digoutte JP,Thiongane Y,Bouloy M

更新日期：1999-10-01 00:00:00

abstract：:Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of PRRS, which has important impacts on the pig industry. PRRSV infection results in disruption of the swine leukocyte antigen class I (SLA-I) antigen presentation pathway. In this study, highly pathogenic PRRSV (HP-PRRSV) infection inh...

journal_title：Journal of virology

authors： Qi P,Liu K,Wei J,Li Y,Li B,Shao D,Wu Z,Shi Y,Tong G,Qiu Y,Ma Z

更新日期：2017-02-14 00:00:00

abstract：:The genome of infectious bursal disease virus consists of two segments of double-stranded RNA of 2.5 X 10(6) and 2.2 X 10(6) molecular weight. Polyacrylamide gel electrophoresis of purified virus resolved four structural polypeptides: VP-1 (90,000), VP-2 (41,000), VP-3 (35,000), and VP-4 (28,000). Peptide map comparis...

journal_title：Journal of virology

authors： Dobos P

更新日期：1979-12-01 00:00:00

abstract：:Epstein-Barr virus (EBV) nuclear antigen 1 (EBNA1) is indispensable for viral DNA replication and episome maintenance in latency. Four promoters, Cp, Wp, Qp, and Fp, are known to drive EBNA1 expression. Here we show that the TATA-less Qp is constitutively active in a variety of EBV-positive [EBV(+)] tumors and cell li...

journal_title：Journal of virology

authors： Tao Q,Robertson KD,Manns A,Hildesheim A,Ambinder RF

更新日期：1998-09-01 00:00:00

abstract：:Isoelectrofocusing of nonionic-detergent-disrupted flaviviruses separated the envelope glycoprotein of 53,000 to 58,000 daltons and the nucleocapsid protein of 14,000 daltons. The envelope protein and nucleocapsid protein were isolated at isoelectric points of pI 7.8 and 10.3, respectively. The antigenic determinants ...

journal_title：Journal of virology

authors： Trent DW

更新日期：1977-06-01 00:00:00

abstract：:Virus-specific RNA synthesized in monkey cells after infection by both wild-type simian virus 40 (SV40) and the early SV40 temperature-sensitive mutant tsA58 has been analyzed. The fraction of SV40-specific RNA increased throughout infection with either wild-type SV40 or with tsA58 in direct proportion to the accumula...

journal_title：Journal of virology

authors： Khoury G,May E

更新日期：1977-07-01 00:00:00

abstract：:The nature and theory of flow field-flow fractionation is described, and its potential applicability to virus-like particles is discussed. Different virus types are shown to be retained at different levels. Retention can be controlled by variation of the experimental parameters, in good agreement with theory. However,...

journal_title：Journal of virology

authors： Giddings JC,Yang FJ,Myers MN

更新日期：1977-01-01 00:00:00

abstract：:The herpes simplex virus genome consists of two components, L and S, that invert relative to each other to yield four isomeric arrangements, prototype (P), inversion of the S component (Is), inversion of the L component (Il), and inversion of both components (Isl). Previous studies have shown that the 500-base-pair a ...

journal_title：Journal of virology

authors： Longnecker R,Roizman B

更新日期：1986-05-01 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：: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：:Bacteriophages of the C3 morphotype, characterized by very long heads that exceed their width several times, are extremely rare among the Podoviridae family members and constitute only 0.5% of over 5,500 phages that have been examined by the electron microscope (H. W. Ackermann, Arch. Virol. 152:227-243, 2007; H. W. A...

journal_title：Journal of virology

authors： Li Y,Chen M,Tang F,Yao H,Lu C,Zhang W

更新日期：2012-12-01 00:00:00

abstract：:The DNA of normal chicken embryos contains sequences related to the avian leukosis-sarcoma viruses. RNA-dependent DNA polymerase of these viruses is encoded by a genetic element known as the pol gene. The nature of the endogenous virus pol gene in chicken cells was investigated by testing its ability to participate in...

journal_title：Journal of virology

authors： Sawyer RC,Rettenmier CW,Hanafusa H

更新日期：1979-03-01 00:00:00

abstract：:West Nile virus (WNV) is a neurotropic flavivirus and the leading cause of mosquito-borne encephalitis in the United States. Recent studies in humans have found that dysfunctional T cell responses strongly correlate with development of severe WNV neuroinvasive disease. However, the contributions of human dendritic cel...

journal_title：Journal of virology

authors： Zimmerman MG,Bowen JR,McDonald CE,Pulendran B,Suthar MS

更新日期：2019-11-13 00:00:00

abstract：:Human T-cell leukemia virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The HTLV-1 genome encodes the Tax protein that plays essential regulatory roles in HTLV-1 replication and oncogenic transformation of T lymphocytes....

journal_title：Journal of virology

authors： Gao L,Harhaj EW

更新日期：2013-12-01 00:00:00

abstract：UNLABELLED:In vitro, infection of polarized human intestinal epithelial cells by coxsackievirus B3 (CVB3) depends on virus interaction with decay-accelerating factor (DAF), a receptor expressed on the apical cell surface. Although mice are highly susceptible to CVB3 infection when virus is delivered by intraperitoneal ...

journal_title：Journal of virology

authors： Pan J,Zhang L,Odenwald MA,Shen L,Turner JR,Bergelson JM

更新日期：2015-04-01 00:00:00

abstract：:To investigate a possible role of p53 in DNA exchange mechanisms, we have developed a model system which allows us to quantify homologous recombination rates in eukaryotic cells. We generated two types of simian virus 40 (SV40) whose genomes were mutated in such a way that upon double infection of monkey cells, virus ...

journal_title：Journal of virology

authors： Wiesmüller L,Cammenga J,Deppert WW

更新日期：1996-02-01 00:00:00

abstract：:The buoyant density characteristics of infectious particles of herpes simplex virus types 1 and 2 were studied by centrifugation in sucrose and cesium chloride density gradients with a high resolution and satisfactory infectivity recovery. It was shown that two populations of infectious virions differing in buoyant de...

journal_title：Journal of virology

authors： Yanagi K

更新日期：1981-05-01 00:00:00

abstract：:Hepatitis C virus (HCV) nonstructural protein 5B (NS5B) is an RNA-dependent RNA polymerase (RdRp) that acts as a key player in the HCV replication complex. Understanding the interplay between the viral and cellular components of the HCV replication complex could provide new insight for prevention of the progression of...

journal_title：Journal of virology

authors： Huang JT,Tseng CP,Liao MH,Lu SC,Yeh WZ,Sakamoto N,Chen CM,Cheng JC

更新日期：2013-05-01 00:00:00

abstract：:Rigorous investigation of many functions encoded by cytomegaloviruses (CMVs) requires analysis in the context of virus-host interactions. To facilitate the construction of rhesus CMV (RhCMV) mutants for in vivo studies, a bacterial artificial chromosome (BAC) containing an enhanced green fluorescent protein (EGFP) cas...

journal_title：Journal of virology

authors： Chang WL,Barry PA

更新日期：2003-05-01 00:00:00

abstract：:Five hepatoma cell lines, including CZHC/8571, PLC/PRF/5, Hep3B, HepG2, and HUH7, were inoculated with three diverse isolates of human immunodeficiency virus type 1 (HIV-1). Productive infection was noted in all hepatoma cell lines, and expression of viral p24 antigen lasted for over 3 months, but its level decreased ...

journal_title：Journal of virology

authors： Cao YZ,Friedman-Kien AE,Huang YX,Li XL,Mirabile M,Moudgil T,Zucker-Franklin D,Ho DD

更新日期：1990-06-01 00:00:00

abstract：UNLABELLED:An understanding of the antigen-specific B-cell response to the influenza virus hemagglutinin (HA) is critical to the development of universal influenza vaccines, but it has not been possible to examine these cells directly because HA binds to sialic acid (SA) on most cell types. Here, we use structure-based...

journal_title：Journal of virology

authors： Whittle JR,Wheatley AK,Wu L,Lingwood D,Kanekiyo M,Ma SS,Narpala SR,Yassine HM,Frank GM,Yewdell JW,Ledgerwood JE,Wei CJ,McDermott AB,Graham BS,Koup RA,Nabel GJ

更新日期：2014-04-01 00:00:00

abstract：:A poliovirus-specific polyuridylic acid [poly(U)] polymerase that copies a polyadenylic acid template complexed to an oligouridylic acid primer was isolated from the membrane fraction of infected HeLa cells and was found to sediment at 4 to 5S on a linear 5 to 20% glycerol gradient. When the poly(U) polymerase was iso...

journal_title：Journal of virology

authors： Flanegan JB,Baltimore D

更新日期：1979-01-01 00:00:00

abstract：:We have investigated the ability of human immunodeficiency virus type 1 (HIV-1) and HIV-2 isolates to infect and replicate in primary human macrophages. Monocytes from blood donors were allowed to differentiate into macrophages by culture in the presence of autologous lymphocytes and human serum for 5 days before infe...

journal_title：Journal of virology

authors： Valentin A,Albert J,Fenyö EM,Asjö B

更新日期：1994-10-01 00:00:00

abstract：:Three distinct strains of murine rotavirus were adapted to growth in cell culture. These strains are genetically related but not identical; they are serotypically heterogeneous. The cultivatable strains were substantially more infectious (approximately 10(6)-fold) for suckling mice than heterologous simian rotaviruses...

journal_title：Journal of virology

authors： Greenberg HB,Vo PT,Jones R

更新日期：1986-02-01 00:00:00

abstract：:The v-rel oncogene encoded by reticuloendotheliosis virus strain T is the acutely transforming member of the Rel/NF-kappaB family of transcription factors. In v-Rel-transformed cells, v-Rel exists as homodimers or heterodimers with the endogenous Rel/NF-kappaB proteins c-Rel, NF-kappaB1, NF-kappaB2, and RelA. To exami...

journal_title：Journal of virology

authors： Liss AS,Bose HR Jr

更新日期：2002-05-01 00:00:00

abstract：UNLABELLED:Intron-containing mRNAs are subject to restricted nuclear export in higher eukaryotes. Retroviral replication requires the nucleocytoplasmic transport of both spliced and unspliced RNA transcripts, and RNA export mechanisms of gammaretroviruses are poorly characterized. Here, we report the involvement of the...

journal_title：Journal of virology

authors： Sakuma T,Davila JI,Malcolm JA,Kocher JP,Tonne JM,Ikeda Y

更新日期：2014-04-01 00:00:00