Transformation-deficient adenovirus mutant defective in expression of region 1A but not region 1B.

abstract：:The unique region of the capsid protein VP1 (VP1u) of human parvovirus B19 (B19) elicits a dominant immune response and has a phospholipase A(2) (PLA(2)) activity, which is necessary for the infection. In contrast to the rest of the parvoviruses, the VP1u of B19 is thought to occupy an external position in the virion,...

journal_title：Journal of virology

authors： Ros C,Gerber M,Kempf C

更新日期：2006-12-01 00:00:00

abstract：:Bovine leukemia virus (BLV) and human T-cell lymphotropic virus type 1 (HTLV-1) belong to the genus of deltaretroviruses. Their entry into the host cell is supposed to be mediated by interactions of the extracellular (SU) envelope glycoproteins with cellular receptors. To gain insight into the mechanisms governing thi...

journal_title：Journal of virology

authors： Gatot JS,Callebaut I,Van Lint C,Demonté D,Kerkhofs P,Portetelle D,Burny A,Willems L,Kettmann R

更新日期：2002-08-01 00:00:00

abstract：:The E5 protein of human papillomavirus type 16 is a small, hydrophobic protein that localizes predominantly to membranes of the endoplasmic reticulum (ER). To define the orientation of E5 in these membranes, we employed a differential, detergent permeabilization technique that makes use of the ability of low concentra...

journal_title：Journal of virology

authors： Krawczyk E,Suprynowicz FA,Sudarshan SR,Schlegel R

更新日期：2010-02-01 00:00:00

abstract：:The ability of B cells, B blasts, and macrophages to present Epstein-Barr virion antigens to autologous T cells and trigger their capacity to inhibit Epstein-Barr virus-induced B-cell transformation was tested. Macrophages were as efficient as B cells and B blasts in presenting the virus to T lymphocytes. This functio...

journal_title：Journal of virology

authors： Bejarano MT,Masucci MG,Morgan A,Morein B,Klein G,Klein E

更新日期：1990-03-01 00:00:00

abstract：:Actinophage MSP2 is infectious for Streptomyces venezuelae S13. Based upon electron microscopy of coliphage T4 mixed with MSP2, MSP2 had a head about 48 +/- 2 nm wide and 87 +/- 5 nm long. DNA from polyoma virus and from coliphages T4 and T7 served as reference markers in estimating the molecular weight of MSP2 DNA fr...

journal_title：Journal of virology

authors： Lancaster WD,Jones LA

更新日期：1975-09-01 00:00:00

abstract：:Viral infection induces production of type I interferons (IFNs), which stimulate the expression of a variety of antiviral factors to inhibit viral replication. To establish effective infection, viruses need to develop strategies to evade the immune responses. A neurovirulent Sindbis virus strain with neuroinvasive pro...

journal_title：Journal of virology

authors： Wang X,Li MMH,Zhao J,Li S,MacDonald MR,Rice CM,Gao X,Gao G

更新日期：2016-10-28 00:00:00

abstract：:We have studied initiation and regulation of early transcription of simian virus (SV40) DNA in vitro by eucaryotic RNA polymerase II, using both a crude HeLa cell extract and a partially purified calf thymus polymerase supplemented with a HeLa cell S100 fraction. Analysis of initiation sites by primer-directed cDNA sy...

journal_title：Journal of virology

authors： Lebowitz P,Ghosh PK

更新日期：1982-02-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) isolates derived directly from clinical samples are usually unable to grow in cytokine-independent continuous cell lines, thus hindering the study of their biological features and their sensitivity to humoral and cellular protective immunity. To overcome these limitations, w...

journal_title：Journal of virology

authors： Lusso P,Cocchi F,Balotta C,Markham PD,Louie A,Farci P,Pal R,Gallo RC,Reitz MS Jr

更新日期：1995-06-01 00:00:00

abstract：:Encephalomyocarditis (EMC) virus (K-2 strain) was separated into two distinct peaks of optical density by chromatography on calcium phosphate, eluting at 0.17 and 0.31 m, respectively. The virus in these peaks could not be distinguished by infectivity (plaque-forming units), hemagglutinin activity, electron microscopi...

journal_title：Journal of virology

authors： Burness AT

更新日期：1967-04-01 00:00:00

abstract：:Previous studies have suggested that the U(L)17 gene of herpes simplex virus type 1 (HSV-1) is essential for virus replication. In this study, viral mutants incorporating either a lacZ expression cassette in place of 1,490 bp of the 2,109-bp U(L)17 open reading frame [HSV-1(deltaU(L)17)] or a DNA oligomer containing a...

journal_title：Journal of virology

authors： Salmon B,Cunningham C,Davison AJ,Harris WJ,Baines JD

更新日期：1998-05-01 00:00:00

abstract：:The isolation and characterization of an adenovirus mutant, Ad5dl802r1, containing two independent deletions in the 72-kilodalton (kDa) DNA-binding protein (DBP) gene is described. The two deletions remove amino acids 23 through 105 of DBP, resulting in the production of a 50-kDa product. Expression of this truncated ...

journal_title：Journal of virology

authors： Cleghon V,Voelkerding K,Morin N,Delsert C,Klessig DF

更新日期：1989-05-01 00:00:00

abstract：UNLABELLED:Viral myocarditis, which is most prevalently caused by coxsackievirus B3 (CVB3), is a serious clinical condition characterized by excessive myocardial inflammation. Recent studies suggest that regulation of protein acetylation levels by inhibiting histone deacetylase (HDAC) activity modulates inflammatory re...

journal_title：Journal of virology

authors： Zhou L,He X,Gao B,Xiong S

更新日期：2015-10-01 00:00:00

abstract：UNLABELLED:Broadly neutralizing antibodies (bNAbs) specific for conserved epitopes on the HIV-1 envelope (Env) are believed to be essential for protection against multiple HIV-1 clades. However, vaccines capable of stimulating the production of bNAbs remain a major challenge. Given that polyreactivity and autoreactivit...

journal_title：Journal of virology

authors： Gupta S,Clark ES,Termini JM,Boucher J,Kanagavelu S,LeBranche CC,Abraham S,Montefiori DC,Khan WN,Stone GW

更新日期：2015-04-01 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：:Adeno-associated viruses (AAVs) are small single-stranded DNA viruses that can package and deliver nongenomic DNA for therapeutic gene delivery. AAV8, a liver-tropic vector, has shown great promise for the treatment of hemophilia A and B. However, as with other AAV vectors, host anti-capsid immune responses are a dete...

journal_title：Journal of virology

authors： Gurda BL,Raupp C,Popa-Wagner R,Naumer M,Olson NH,Ng R,McKenna R,Baker TS,Kleinschmidt JA,Agbandje-McKenna M

更新日期：2012-08-01 00:00:00

abstract：:We have selected an HXB2 variant which can replicate in the presence of a neutralizing human serum. Sequencing of the gp120 region of the env gene from the variant and parental viruses identified a single amino acid substitution in the third conserved region of gp120 at residue 375 (AGT-->AAT, Ser-->Asn; designated 37...

journal_title：Journal of virology

authors： McKeating JA,Bennett J,Zolla-Pazner S,Schutten M,Ashelford S,Brown AL,Balfe P

更新日期：1993-09-01 00:00:00

abstract：:The varicella-zoster virus major transactivator, IE62, contains a potent N-terminal acidic transcriptional activation domain (TAD). Our experiments revealed that the minimal IE62 TAD encompasses amino acids (aa) 19 to 67. We showed that the minimal TAD interacts with the human Mediator complex. Site-specific mutations...

journal_title：Journal of virology

authors： Yamamoto S,Eletsky A,Szyperski T,Hay J,Ruyechan WT

更新日期：2009-06-01 00:00:00

abstract：:Human immunodeficiency virus (HIV) infection is associated with immune activation, CD4⁺-T-cell loss, and a progressive decline of immune functions. Antiretroviral therapy (ART) only partially reverses HIV-associated immune dysfunction, suggesting that approaches that target immune activation and improve virus-specific...

journal_title：Journal of virology

authors： Vaccari M,Boasso A,Fenizia C,Fuchs D,Hryniewicz A,Morgan T,Weiss D,Doster MN,Heraud JM,Shearer GM,Franchini G

更新日期：2012-01-01 00:00:00

abstract：:The mechanism by which murine polyomavirus penetrates cells and arrives at the nucleus, the site of viral replication, is not well understood. Simian virus 40 and JC virus, two closely related members of the polyomavirus subfamily, use caveola- and clathrin-mediated uptake pathways for entry, respectively. The data pr...

journal_title：Journal of virology

authors： Gilbert JM,Benjamin TL

更新日期：2000-09-01 00:00:00

abstract：:Enviroxime is an antienterovirus compound that targets viral protein 3A and/or 3AB and suppresses a step in enterovirus replication by unknown mechanism. To date, four antienterovirus compounds, i.e., GW5074, Flt3 inhibitor II, TTP-8307, and AN-12-H5, are known to have similar mutations in the 3A protein-encoding regi...

journal_title：Journal of virology

authors： Arita M,Kojima H,Nagano T,Okabe T,Wakita T,Shimizu H

更新日期：2011-03-01 00:00:00

abstract：:Influenza virus hemagglutinin consists of a highly variable and immunodominant head domain and a more conserved but immunosubdominant stalk domain. We introduced seven N-linked glycosylation sites in the hemagglutinin head domain to shield the immunodominant antigenic sites. The hyperglycosylated hemagglutinin enhance...

journal_title：Journal of virology

authors： Eggink D,Goff PH,Palese P

更新日期：2014-01-01 00:00:00

abstract：:Phosphorylation of viral proteins plays important roles in the influenza A virus (IAV) life cycle. By using mass spectrometry, we identified tyrosine 132 (Y132) as a phosphorylation site of the matrix protein (M1) of the influenza virus A/WSN/1933(H1N1). Phosphorylation at this site is essential to the process of viru...

journal_title：Journal of virology

authors： Wang S,Zhao Z,Bi Y,Sun L,Liu X,Liu W

更新日期：2013-06-01 00:00:00

abstract：:The membrane glycoproteins Gn and Gc of Hantaan virus (HTNV) (family Bunyaviridae) are modified by N-linked glycosylation. The glycoproteins contain six potential sites for the attachment of N-linked oligosaccharides, five sites on Gn and one on Gc. The properties of the N-linked oligosaccharide chains were analyzed b...

journal_title：Journal of virology

authors： Shi X,Elliott RM

更新日期：2004-05-01 00:00:00

abstract：UNLABELLED:Oncolytic viruses (OVs) are attractive avenues of cancer therapy due to the absence of toxic side effects often seen with current treatment modalities. Bovine herpesvirus 1 (BHV-1) is a species-specific virus that does not induce cytotoxicity in normal primary human cells but can infect and kill various huma...

journal_title：Journal of virology

authors： Cuddington BP,Mossman KL

更新日期：2014-06-01 00:00:00

abstract：:A polypeptide (p40) of approximately 40,000 molecular weight was isolated from herpes simplex virus type 1 and 2 nucleocapsids by gel filtration and ion exchange chromatography. This protein appears to be the same as protein 22a described previously (Gibson and Roizman, J. Virol. 10:1044--1052, 1972). Competition immu...

journal_title：Journal of virology

authors： Heilman CJ Jr,Zweig M,Stephenson JR,Hampar B

更新日期：1979-01-01 00:00:00

abstract：:The human cytomegalovirus (HCMV) UL138 protein downregulates the cell surface expression of the multidrug resistance-associated protein 1 (MRP1) transporter. We examined the genetic requirements within UL138 for MRP1 downregulation. We determined that the acidic cluster dileucine motif is essential for UL138-mediated ...

journal_title：Journal of virology

authors： Gelbmann CB,Kalejta RF

更新日期：2019-05-15 00:00:00

abstract：:Expression of the immediate-early (IE) genes of herpes simplex virus (HSV) is specifically stimulated by a 65-kilodalton virion transcription factor (VF65 or VP16) that is introduced as a component of infecting virions. In both the IE175(ICP4) and IE110(ICP0) promoters, this activation requires an upstream cis-acting ...

journal_title：Journal of virology

authors： apRhys CM,Ciufo DM,O'Neill EA,Kelly TJ,Hayward GS

更新日期：1989-06-01 00:00:00

abstract：:An R638A mutation of the polymerase acidic protein (PA) subunit of the RNA polymerase of influenza A/WSN/33 virus results in severe attenuation of viral growth in cell culture by promoting the synthesis of defective interfering RNAs. We propose that R638A is an "elongation" mutant that destabilizes PA-RNA template int...

journal_title：Journal of virology

authors： Fodor E,Mingay LJ,Crow M,Deng T,Brownlee GG

更新日期：2003-04-01 00:00:00

abstract：:The US3 protein kinase of herpes simplex virus 1 blocks apoptosis induced by replication-incompetent virus mutants, proapoptotic members of the Bcl-2 family of proteins, and by a variety of other agents that act at the premitochondrial level in the proapoptotic cascade. To define the role of US3 in blocking apoptosis ...

journal_title：Journal of virology

authors： Benetti L,Roizman B

更新日期：2007-10-01 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