Structure and expression strategy of the genome of Culex pipiens densovirus, a mosquito densovirus with an ambisense organization.

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：:The 2009 pandemic influenza virus (pdm/09) has been frequently introduced to pigs and has reassorted with other swine viruses. Recently, H3N2 reassortants with pdm/09-like internal genes were isolated in Guangxi and Hong Kong, China. Genetic and epidemiological analyses suggest that these viruses have circulated in sw...

journal_title：Journal of virology

authors： Fan X,Zhu H,Zhou B,Smith DK,Chen X,Lam TT,Poon LL,Peiris M,Guan Y

更新日期：2012-02-01 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：:We have analyzed the structure of rubella virus proteins labeled metabolically with [35S]methionine, [3H]mannose, and [3H]glucosamine or externally with [3H]borohydride after galactose oxidase treatment. Four structural proteins, with MrS of about 58,000 (E1), 47,000 (E2a), 42,000 (E2b), and 33,000 (C), were resolved ...

journal_title：Journal of virology

authors： Oker-Blom C,Kalkkinen N,Kääriäinen L,Pettersson RF

更新日期：1983-06-01 00:00:00

abstract：:We show here that the white spot syndrome virus (WSSV) immediate-early protein IE1 interacts with the Penaeus monodon TATA box-binding protein (PmTBP) and that this protein-protein interaction occurs in the absence of any other viral or cellular proteins or nucleic acids, both in vitro and in vivo. Mapping studies usi...

journal_title：Journal of virology

authors： Liu WJ,Chang YS,Huang WT,Chen IT,Wang KC,Kou GH,Lo CF

更新日期：2011-07-01 00:00:00

abstract：:Earlier studies have shown that herpes simplex viruses adsorb to but do not penetrate permissive baby hamster kidney clonal cell lines designated the BJ series and constitutively expressing the herpes simplex virus 1 (HSV-1) glycoprotein D (gD). To investigate the mechanism of the restriction, the following steps were...

journal_title：Journal of virology

authors： Campadelli-Fiume G,Qi S,Avitabile E,Foà-Tomasi L,Brandimarti R,Roizman B

更新日期：1990-12-01 00:00:00

abstract：:Claudins (CLDN) are a family of proteins that represent the most important components of tight junctions, where they establish the paracellular barrier that controls the flow of molecules in the intercellular space between epithelial cells. Several types of viruses make full use of CLDN to facilitate entry into cells....

journal_title：Journal of virology

authors： Ding G,Liu J,Shao Q,Wang B,Feng J,Li Y,Li L,Cao S,Cong F,Zhao Y,Liu S,Xiao Y

更新日期：2020-09-29 00:00:00

abstract：:Kilham rat virus (KRV) contains linear, single-stranded DNA in the virion. The fate of radioactive viral DNA was followed after infection of monolayer cells. Within 60 min after infection of cells, 28 to 42% of the parental viral DNA is converted to a new form. This new DNA form is believed to be double stranded and l...

journal_title：Journal of virology

authors： Salzman LA,White W

更新日期：1973-02-01 00:00:00

abstract：:Therapeutic strategies for the treatment of acute retroviral infections have relied mainly on antiviral drugs. In this study we used the Friend virus model system to demonstrate that enhancement of the immune system can also have dramatic therapeutic effects. Since resistance to Friend virus-induced leukemia in mice i...

journal_title：Journal of virology

authors： Olbrich AR,Schimmer S,Heeg K,Schepers K,Schumacher TN,Dittmer U

更新日期：2002-11-01 00:00:00

abstract：:The uncoating of adenovirus type 2 and a temperature-sensitive mutant, tsl, was studied. HEp-2 cells were infected with 32P- OR 125I-labeled purified virions for various lengths of time, and the nuclear and cytoplasmic fractions were analyzed by sucrose gradient velocity sedimentation and sodium dodecyl sulfate-polyac...

journal_title：Journal of virology

authors： Mirza MA,Weber J

更新日期：1979-05-01 00:00:00

abstract：:During the S phase of the eukaryotic cell cycle and in virus-infected cells, DNA replication takes place at discrete sites in the nucleus, although it is not clear how the proteins involved in the replicative process are directed to these sites. Nuclear factor I is a cellular, sequence-specific DNA-binding protein uti...

journal_title：Journal of virology

authors： Bosher J,Dawson A,Hay RT

更新日期：1992-05-01 00:00:00

abstract：:In host cells containing the Salmonella typhimurium DNA restriction-modification systems SA(+) and SB(+), replication of the ocr(+) bacteriophages T3 and T7 is not impaired. However, ocr (gene 0.3) mutants of these phages are susceptible to DNA restriction and modification by the SA(+) and SB(+) systems. ...

journal_title：Journal of virology

authors： Krüger DH,Hansen S,Reuter M

更新日期：1983-03-01 00:00:00

abstract：:We located a region of interstrain size variability in a short segment in an area at the right-hand end of the long unique sequence of the varicella-zoster viral genome. Varicella-zoster virus strains isolated in a district of Japan were classified into three groups on the basis of the size of this segment. Sequence c...

journal_title：Journal of virology

authors： Hondo R,Yogo Y

更新日期：1988-08-01 00:00:00

abstract：:The envelope glycoprotein (GP) of lymphocytic choriomeningitis virus (LCMV) is posttranslationally cleaved into two subunits. We show here that this endoproteolytic processing is not required for transport to the cell surface but is essential for LCMV GP to mediate infectivity of pseudotyped retroviral vectors. By sys...

journal_title：Journal of virology

authors： Beyer WR,Pöpplau D,Garten W,von Laer D,Lenz O

更新日期：2003-03-01 00:00:00

abstract：:The Vpr accessory gene product of human immunodeficiency virus types 1 and 2 and simian immunodeficiency virus is believed to play a role in permitting entry of the viral core into the nucleus of nondividing cells. A second role for Vpr was recently suggested by Rogel et al. (M. E. Rogel, L. I. Wu, and M. Emerman, J. ...

journal_title：Journal of virology

authors： He J,Choe S,Walker R,Di Marzio P,Morgan DO,Landau NR

更新日期：1995-11-01 00:00:00

abstract：:The simian B-lymphotropic papovavirus (LPV) encodes a large tumor antigen (T antigen) which is 45% identical to both the simian virus 40 (SV40) and the polyomavirus (PyV) large T antigens. In transgenic mice, the transforming properties of the LPV T antigen are similar to those of the SV40 T antigen. However, little i...

journal_title：Journal of virology

authors： Symonds H,Chen JD,Van Dyke T

更新日期：1991-10-01 00:00:00

abstract：:More often than not, analyses of virus evolution have considered that virus populations are so large that evolution can be explained by purely deterministic models. However, virus populations could have much smaller effective numbers than the huge reported census numbers, and random genetic drift could be important in...

journal_title：Journal of virology

authors： Sacristán S,Malpica JM,Fraile A,García-Arenal F

更新日期：2003-09-01 00:00:00

abstract：:Human cytomegalovirus encodes four unique short (US) region proteins, each of which is independently sufficient for causing the down-regulation of major histocompatibility complex (MHC) class I molecules on the cell surface. This down-regulation enables infected cells to evade recognition by cytotoxic T lymphocytes (C...

journal_title：Journal of virology

authors： Shin J,Park B,Lee S,Kim Y,Biegalke BJ,Kang S,Ahn K

更新日期：2006-06-01 00:00:00

abstract：:Mutants of bacteriophage T4D that are defective in genes 42 (dCMP hydroxymethylase), 46 (DNA exonuclease), and 56 (dCTPase) produce limited amounts of phage DNA in Escherichia coli B. In this DNA, glucoylated 5-hydroxymethylcytosine is completely replaced by cytosine. We found that this DNA rapidly becomes fragmented ...

journal_title：Journal of virology

authors： Carlson K,Wiberg JS

更新日期：1983-10-01 00:00:00

abstract：:MicroRNAs (miRNAs) represent a conserved class of small noncoding RNAs that are found in all higher eukaryotes as well as some DNA viruses. miRNAs are 20 to 25 nucleotides in length and have important regulatory functions in biological processes such as embryonic development, cell differentiation, hormone secretion, a...

journal_title：Journal of virology

authors： Zhu JY,Pfuhl T,Motsch N,Barth S,Nicholls J,Grässer F,Meister G

更新日期：2009-04-01 00:00:00

abstract：:AP-1- and ATF-binding sites are cis-acting transcriptional elements within the U3 domain of the feline immunodeficiency virus (FIV) long terminal repeat (LTR) that serve as targets for cellular activation pathways and may regulate virus replication. We report that FIV LTR mutant proviruses encoding U3 deletions of the...

journal_title：Journal of virology

authors： Bigornia L,Lockridge KM,Sparger EE

更新日期：2001-01-01 00:00:00

abstract：:The long terminal repeat U3 sequences were determined for multiple feline leukemia virus proviruses isolated from naturally occurring T-cell tumors. Heterogeneity was evident, even among proviruses cloned from individual tumors. Proviruses with one, two, or three repeats of the long terminal repeat enhancer sequences ...

journal_title：Journal of virology

authors： Fulton R,Plumb M,Shield L,Neil JC

更新日期：1990-04-01 00:00:00

abstract：:Vaccinia virus maturation into infectious particles appears to be dependent on the proteolytic processing of at least five viral proteins, each containing a conserved AG*X cleavage motif and each requiring proper association with the previrion particle. To identify the responsible proteinase, a transcriptionally contr...

journal_title：Journal of virology

authors： Whitehead SS,Hruby DE

更新日期：1994-11-01 00:00:00

abstract：:Chronic HIV infection is characterized by chronic immune activation and dysfunctional T cells with elevated intracellular cyclic AMP (cAMP), which inhibits the T cell activation capability. cAMP may be induced by prostaglandin E(2) following lipopolysaccharide (LPS)-induced upregulation of cyclooxygenase type 2 (COX-2...

journal_title：Journal of virology

authors： Pettersen FO,Torheim EA,Dahm AE,Aaberge IS,Lind A,Holm M,Aandahl EM,Sandset PM,Taskén K,Kvale D

更新日期：2011-07-01 00:00:00

abstract：:The proteins of purified avian oncoviruses were analyzed by sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis and isoelectric focusing. Certain members of the avian leukosis-sarcoma viruses (ALSV) had group-specific antigens with altered electrophoretic properties. (i) The p27 protein of Rous-associated ...

journal_title：Journal of virology

authors： Rettenmier CW,Hanafusa H

更新日期：1977-12-01 00:00:00

abstract：:Replication-defective vaccine vectors based on vesicular stomatitis virus (VSV) lacking its envelope glycoprotein gene (G) are highly effective in animal models. However, such ΔG vectors are difficult to grow because they require complementation with the VSV G protein. In addition, the complementing G protein induces ...

journal_title：Journal of virology

authors： Chattopadhyay A,Rose JK

更新日期：2011-03-01 00:00:00

abstract：:Human metapneumovirus (HMPV) has recently been identified as a significant cause of serious respiratory tract disease in humans. In particular, the emerging information on the contribution of HMPV to pediatric respiratory tract disease suggests that it will be important to develop a vaccine against this virus for use ...

journal_title：Journal of virology

authors： Biacchesi S,Skiadopoulos MH,Yang L,Lamirande EW,Tran KC,Murphy BR,Collins PL,Buchholz UJ

更新日期：2004-12-01 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：:GS-8374 is a potent HIV protease inhibitor (PI) with a unique diethyl-phosphonate moiety. Due to a balanced contribution of enthalpic and entropic components to its interaction with the protease (PR) active site, the compound retains activity against HIV mutants with high-level multi-PI resistance. We report here the ...

journal_title：Journal of virology

authors： Stray KM,Callebaut C,Glass B,Tsai L,Xu L,Müller B,Kräusslich HG,Cihlar T

更新日期：2013-01-01 00:00:00

abstract：:Human CD4(+) T-helper 1 cell responses to Epstein-Barr virus (EBV) infection are likely to be important in the maintenance of virus-specific CD8(+) memory and/or as antiviral effectors in their own right. The present work has used overlapping peptides as stimulators of gamma interferon release (i) to identify CD4(+) e...

journal_title：Journal of virology

authors： Leen A,Meij P,Redchenko I,Middeldorp J,Bloemena E,Rickinson A,Blake N

更新日期：2001-09-01 00:00:00