Mutations of the RNase H C helix of the Moloney murine leukemia virus reverse transcriptase reveal defects in polypurine tract recognition.

abstract：:The feline immunodeficiency virus (FIV) cat model is extensively used to investigate possible vaccination approaches against AIDS in humans. Although consistent levels of protection have been achieved with FIV, as with other model systems, by immunizing with whole inactivated virus or fixed infected cells, the mechani...

journal_title：Journal of virology

authors： Mazzetti P,Giannecchini S,Del Mauro D,Matteucci D,Portincasa P,Merico A,Chezzi C,Bendinelli M

更新日期：1999-01-01 00:00:00

abstract：:Autoradiographic analyses of deoxyribonucleic acid (DNA) synthesis in randomly growing KB cell cultures infected with equine abortion virus (EAV) suggested that viral DNA synthesis was initiated only at times that coincided with the entry of noninfected control cells into the S phase of the cell cycle. Synchronized cu...

journal_title：Journal of virology

authors： Lawrence WC

更新日期：1971-06-01 00:00:00

abstract：:Proteolytic processing of the dengue virus polyprotein is mediated by host cell proteases and the virus-encoded NS2B-NS3 two-component protease. The NS3 protease represents an attractive target for the development of antiviral inhibitors. The three-dimensional structure of the NS3 protease domain has been determined, ...

journal_title：Journal of virology

authors： Niyomrattanakit P,Winoyanuwattikun P,Chanprapaph S,Angsuthanasombat C,Panyim S,Katzenmeier G

更新日期：2004-12-01 00:00:00

abstract：:A coxsackievirus B3 (CB3) isolate adapted to growth in RD cells shows an alteration in cell tropism as a result of its capacity to bind a 70-kDa cell surface molecule expressed on these cells. We now show that this molecule is the complement regulatory protein, decay-accelerating factor (DAF) (CD55). Anti-DAF antibodi...

journal_title：Journal of virology

authors： Bergelson JM,Mohanty JG,Crowell RL,St John NF,Lublin DM,Finberg RW

更新日期：1995-03-01 00:00:00

abstract：:A region of the herpesvirus saimiri genome encoding an mRNA with two open reading frames (ORFs) has been identified to be essential for transformation of T cells. Deletion of either ORF resulted in the loss of transforming ability. ORF-1 has been shown to code for a collagen-like oncoprotein. This study shows for the ...

journal_title：Journal of virology

authors： Lund T,Medveczky MM,Geck P,Medveczky PG

更新日期：1995-07-01 00:00:00

abstract：:A vigorous expansion of antigen-specific CD8(+) T cells lacking apparent effector function was observed in a rhesus macaque acutely infected with the simian immunodeficiency virus (SIV) strain SIVmac239. Antigen-specific CD8(+) T cells were identified using antigenic-peptide class I major histocompatibility complex te...

journal_title：Journal of virology

authors： Xiong Y,Luscher MA,Altman JD,Hulsey M,Robinson HL,Ostrowski M,Barber BH,MacDonald KS

更新日期：2001-03-01 00:00:00

abstract：:Human cytomegalovirus (HCMV) glycoprotein B (gB), encoded by the UL55 open reading frame, is an essential envelope glycoprotein involved in cell attachment and entry. Previously, we identified residue serine 900 (Ser900) as a unique site of reversible casein kinase 2 phosphorylation in the cytoplasmic domain of HCMV g...

journal_title：Journal of virology

authors： Jarvis MA,Jones TR,Drummond DD,Smith PP,Britt WJ,Nelson JA,Baldick CJ

更新日期：2004-01-01 00:00:00

abstract：:The structure of recombinant virus-like particles of malabaricus grouper nervous necrosis virus (MGNNV), a fish nodavirus isolated from the grouper Epinephelus malabaricus, was determined by electron cryomicroscopy (cryoEM) and three-dimensional reconstruction at 23-A resolution. The cryoEM structure, sequence compari...

journal_title：Journal of virology

authors： Tang L,Lin CS,Krishna NK,Yeager M,Schneemann A,Johnson JE

更新日期：2002-06-01 00:00:00

abstract：:Among the numerous immunological abnormalities observed in chronically human immunodeficiency virus (HIV)-infected individuals, perturbations in memory CD4 T cells are thought to contribute specifically to disease pathogenesis. Among these, functional imbalances in the frequencies of T regulatory cells (Tregs) and int...

journal_title：Journal of virology

authors： Lai SH,Starke CE,Flynn JK,Vinton CL,Ortiz AM,Mudd JC,Brenchley JM

更新日期：2019-04-17 00:00:00

abstract：:A rat nephroma cell line was found to be a carrier culture of the Kilham rat virus. Infectious virus was demonstrable only by passage of culture materials into other host systems. ...

journal_title：Journal of virology

authors： Wozniak J,Hetrick F

更新日期：1969-09-01 00:00:00

abstract：UNLABELLED:To investigate the molecular mechanism(s) by which herpes simplex virus 1 (HSV-1) regulatory protein ICP0 promotes viral gene expression and replication, we screened cells overexpressing ICP0 for ICP0-binding host cell proteins. Tandem affinity purification of transiently expressed ICP0 coupled with mass spe...

journal_title：Journal of virology

authors： Sato Y,Kato A,Maruzuru Y,Oyama M,Kozuka-Hata H,Arii J,Kawaguchi Y

更新日期：2016-01-06 00:00:00

abstract：:Guinea pig antisera and mouse monoclonal antibodies against a 40,000-molecular-weight nucleocapsid protein (p40) of herpes simplex virus types 1 and 2 immunoprecipitated 40,000- and 80,000-molecular-weight classes of soluble proteins from infected cell extracts. The soluble 40,000-molecular-weight protein class (intra...

journal_title：Journal of virology

authors： Zweig M,Heilman CJ Jr,Rabin H,Hampar B

更新日期：1980-09-01 00:00:00

abstract：:To combat emerging coronaviruses, developing safe and efficient platforms to evaluate viral protease activities and the efficacy of protease inhibitors is a high priority. Here, we exploit a biosafety level 2 (BSL-2) chimeric Sindbis virus system to evaluate protease activities and the efficacy of inhibitors directed ...

journal_title：Journal of virology

authors： Deng X,Agnihothram S,Mielech AM,Nichols DB,Wilson MW,StJohn SE,Larsen SD,Mesecar AD,Lenschow DJ,Baric RS,Baker SC

更新日期：2014-10-01 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 DA strain of Theiler's virus, a murine picornavirus, causes a persistent infection of glial cells of the white matter of the spinal cord, associated with chronic inflammation and primary demyelination. The GDVII strain causes an acute fatal grey matter encephalomyelitis. We characterized the target cells of GDVII ...

journal_title：Journal of virology

authors： Aubert C,Brahic M

更新日期：1995-05-01 00:00:00

abstract：:The ecotropic Cas-Br-E murine leukemia virus (MuLV) and its molecularly cloned derivative pBR-NE-8 MuLV are capable of inducing hind-limb paralysis and leukemia after inoculation into susceptible mice. T1 oligonucleotide fingerprinting, molecular hybridization, and restriction enzyme analysis previously showed that th...

journal_title：Journal of virology

authors： Rassart E,Nelbach L,Jolicoeur P

更新日期：1986-12-01 00:00:00

abstract：:Mammalian reoviruses are internalized into cells by receptor-mediated endocytosis. Within the endocytic compartment, the viral outer capsid undergoes acid-dependent proteolysis resulting in removal of the sigma3 protein and proteolytic cleavage of the mu1/mu1C protein. Ammonium chloride (AC) is a weak base that blocks...

journal_title：Journal of virology

authors： Clark KM,Wetzel JD,Gu Y,Ebert DH,McAbee SA,Stoneman EK,Baer GS,Zhu Y,Wilson GJ,Prasad BV,Dermody TS

更新日期：2006-01-01 00:00:00

abstract：:Retroviruses integrate into cellular DNA nonrandomly. Lentiviruses such as human immunodeficiency virus type 1 (HIV-1) favor the bodies of active genes and gene-enriched transcriptionally active regions of chromosomes. The interaction between lentiviral integrase and the cellular protein lens epithelium-derived growth...

journal_title：Journal of virology

authors： Koh Y,Wu X,Ferris AL,Matreyek KA,Smith SJ,Lee K,KewalRamani VN,Hughes SH,Engelman A

更新日期：2013-01-01 00:00:00

abstract：:The activity of uracil-DNA glycosylase in Escherichia coli decreases dramatically to less than 10% of its original level after infection of the cells by phage T5. Phage-induced protein synthesis is required for this inhibition to occur, and the inhibition is induced by a mutant capable of injecting only the first 8% o...

journal_title：Journal of virology

authors： Warner HR,Johnson LK,Snustad DP

更新日期：1980-01-01 00:00:00

abstract：:Adenovirus infection and expression of E1A induces both proliferation and apoptosis, the latter of which is blocked by the adenovirus Bcl-2 homologue E1B 19K. The mechanism of apoptosis induction and the role that it plays in productive infection are not known. Unlike apoptosis mediated by death receptors, infection w...

journal_title：Journal of virology

authors： Cuconati A,Degenhardt K,Sundararajan R,Anschel A,White E

更新日期：2002-05-01 00:00:00

abstract：:Serological surveys have revealed that 30 to 50% of wild-caught African green monkeys have antibodies reactive to simian immunodeficiency virus (SIV), a retrovirus related to human immunodeficiency virus (HIV). Although the nucleotide sequence of one SIVagm isolate, Tyo1, was recently reported, the extent of genetic v...

journal_title：Journal of virology

authors： Li Y,Naidu YM,Daniel MD,Desrosiers RC

更新日期：1989-04-01 00:00:00

abstract：:An infectious cDNA clone of a genotype 3 strain of hepatitis E virus adapted to growth in HepG2/C3A human hepatoma cells was constructed. This virus was unusual in that the hypervariable region of the adapted virus contained a 171-nucleotide insertion that encoded 58 amino acids of human S17 ribosomal protein. Analyse...

journal_title：Journal of virology

authors： Shukla P,Nguyen HT,Faulk K,Mather K,Torian U,Engle RE,Emerson SU

更新日期：2012-05-01 00:00:00

abstract：:Virion capture assays, in which immobilized antibodies (Abs) capture virus particles, have been used to suggest that nonneutralizing Abs bind effectively to human immunodeficiency virus type 1 (HIV-1) primary viruses. Here, we show that virion capture assays, under conditions commonly reported in the literature, give ...

journal_title：Journal of virology

authors： Poignard P,Moulard M,Golez E,Vivona V,Franti M,Venturini S,Wang M,Parren PW,Burton DR

更新日期：2003-01-01 00:00:00

abstract：:Theiler murine encephalomyelitis virus (TMEV) infection of a mouse's central nervous system is biphasic: first the virus infects motor neurons (acute phase), and this is followed by a chronic phase in which the virus infects glial cells (primarily microglia and macrophages [M]) of the spinal cord white matter, leading...

journal_title：Journal of virology

authors： Zhang J,Lipton HL,Perelson AS,Dahari H

更新日期：2013-04-01 00:00:00

abstract：:The hepatitis B virus (HBV) X protein (HBx) is a multifunctional regulator of cellular signal transduction and transcription pathways and has a critical role in HBV replication. Much of the cytoplasmic signal transduction activity associated with HBx expression and its stimulation of viral replication is attributable ...

journal_title：Journal of virology

authors： Bouchard MJ,Wang L,Schneider RJ

更新日期：2006-05-01 00:00:00

abstract：:In latent infection, Kaposi's sarcoma-associated herpesvirus (KSHV) latency-associated nuclear antigen 1 (LANA1)-specific binding to KSHV terminal repeat DNA mediates multicopy episome persistence. We now use electrophoretic mobility shift assays to investigate LANA1 binding to its 20-bp cognate sequence. Mutations at...

journal_title：Journal of virology

authors： Srinivasan V,Komatsu T,Ballestas ME,Kaye KM

更新日期：2004-12-01 00:00:00

abstract：:Human adenoviruses typically cause mild infections in the upper or lower respiratory tract, gastrointestinal tract, or ocular epithelium. However, adenoviruses may be life-threatening in patients with impaired immunity and some serotypes cause epidemic outbreaks. Attachment to host cell receptors activates cell signal...

journal_title：Journal of virology

authors： Zeng X,Carlin CR

更新日期：2013-02-01 00:00:00

abstract：:To analyze proteolytic processing of foamy (spuma) retroviruses, two mutations were generated in the presumed active-site triplet Asp-Ser-Gly in the predicted proteinase (PR) region of the human foamy virus (HSRV). The mutations changed either the presumed catalytic aspartic acid residue to a catalytically incompetent...

journal_title：Journal of virology

authors： Konvalinka J,Löchelt M,Zentgraf H,Flügel RM,Kräusslich HG

更新日期：1995-11-01 00:00:00

abstract：:We have previously demonstrated that two mouse cell lines that are poorly infectible by reovirus become highly susceptible upon transfection with the gene encoding the epidermal growth factor receptor (EGFR) (J. E. Strong, D. Tang, and P. W. K. Lee, Virology 197:405-411, 1993). This enhancement of infection efficiency...

journal_title：Journal of virology

authors： Strong JE,Lee PW

更新日期：1996-01-01 00:00:00

abstract：:Therapeutic suppression of human immunodeficiency virus type 1 (HIV-1) replication may help elucidate interactions between the host cellular immune responses and HIV-1 infection. We performed a detailed longitudinal evaluation of two subjects before and after the start of highly active antiretroviral therapy (HAART). ...

journal_title：Journal of virology

authors： Kalams SA,Goulder PJ,Shea AK,Jones NG,Trocha AK,Ogg GS,Walker BD

更新日期：1999-08-01 00:00:00