Characterization of west nile virus persistent infections in genetically resistant and susceptible mouse cells. II. Generation of temperature-sensitive mutants.

abstract：:Herpes simplex virus encodes proteins, such as DNA polymerase, that are essential for its replication and proteins, such as thymidine kinase, that are not essential for replication in cell culture, but are important for pathogenesis in animal models. However, certain mutations affecting these proteins exert little or ...

journal_title：Virology

authors： Jacobson J,Kramer M,Rozenberg F,Hu A,Coen DM

更新日期：1995-01-10 00:00:00

abstract：:An immunodominant region of VP3, one of the two structural proteins of infectious bursal disease virus (IBDV strain 002-73), has been mapped by restriction site-specific deletion analysis and subcloning in Escherichia coli, followed by immunoblot analysis of the synthesized products. The epitope located within 58 amin...

journal_title：Virology

authors： Jagadish MN,Azad AA

更新日期：1991-10-01 00:00:00

abstract：:For successful penetration of HIV-1, the formation of a fusion pore may be required in order to accumulate critical numbers of fusion-activated gp41 with the help of fluidization of the plasma membrane and viral envelope. An increase in temperature to 40 degrees C after viral adsorption at 25 degrees C enhanced the in...

journal_title：Virology

authors： Harada S,Monde K,Tanaka Y,Kimura T,Maeda Y,Yusa K

更新日期：2008-01-05 00:00:00

abstract：:The 94-kDa virion-associated RNA-dependent RNA polymerase (RdRp) is present in infectious pancreatic necrosis virus in two forms: (i) as a free polypeptide (VP1) and (ii) as a genome linked protein (VPg) (J. G. Calvert et al., 1991, J. Gen. Virol. 72, 2563-2567). VP1 was guanylylated in vitro by incubating purified vi...

journal_title：Virology

authors： Dobos P

更新日期：1995-04-01 00:00:00

abstract：:Nucleotide sequence determination of the coat protein cistron of the alfalfa mosaic virus (AIMV) temperature-sensitive mutant, Tbts 7 (uv) revealed a small number of point mutations of which only one results in the replacement of an amino acid: the asparagine residue at position 126 is replaced by an aspartate residue...

journal_title：Virology

authors： Huisman MJ,Cornelissen BJ,Groenendijk CF,Bol JF,van Vloten-Doting L

更新日期：1989-08-01 00:00:00

abstract：:Serotype 4 rotavirus strains have been classified into two antigenic "subtypes" by a solid phase immune electron microscopy technique in which cross-absorbed animal polyclonal immune sera are used as the source of antibodies. The sequences of the gene encoding the outer capsid glycoprotein VP7 from a single serotype 4...

journal_title：Virology

authors： Green KY,Sarasini A,Qian Y,Gerna G

更新日期：1992-05-01 00:00:00

abstract：:We have previously reported that a virus, MH2-PA200, lacking the ability to transform quail embryo cells, could be isolated from wild type (wt) MH2 stocks passaged on chicken neuroretina cells. We report here the molecular cloning and extensive characterization of this MH2-PA200 provirus. Molecularly cloned MH2-PA200 ...

journal_title：Virology

authors： Martin P,Henry C,Denhez F,Amouyel P,Bechade C,Calothy G,Debuire B,Stehelin D,Saule S

更新日期：1986-09-01 00:00:00

abstract：:Although many workers have investigated the maturation and processing of the flavivirus nonstructural glycoprotein NS1 in infected cells, these studies have provided little insight into a possible function for NS1. In this study we investigated the subcellular localization of NS1 both by immunofluorescence and cryo-im...

journal_title：Virology

authors： Mackenzie JM,Jones MK,Young PR

更新日期：1996-06-01 00:00:00

abstract：:Avipoxviruses are significant pathogens infecting a wide range of wild and domestic bird species globally. Here, we describe a novel genome sequence of magpiepox virus (MPPV) isolated from an Australian magpie. In the present study, histopathologically confirmed cutaneous pox lesions were used for transmission electro...

journal_title：Virology

authors： Sarker S,Batinovic S,Talukder S,Das S,Park F,Petrovski S,Forwood JK,Helbig KJ,Raidal SR

更新日期：2020-01-15 00:00:00

abstract：:The Epstein-Barr virus open reading frame BLLF1 encodes the major envelope glycoproteins gp350 and gp220. Fragments of the gp350/220 gene were expressed in Escherichia coli in order to define regions of the polypeptide chain reacting with human sera. The C-terminal half of the protein was sufficient for recognition by...

journal_title：Virology

authors： Nuebling CM,Buck M,Boos H,von Deimling A,Mueller-Lantzsch N

更新日期：1992-11-01 00:00:00

abstract：:Porcine circovirus 2 (PCV2) has a major impact on the swine industry. Eight PCV2 genotypes (a-h) have been identified using capsid sequence analysis. PCV2d has been designated as the emerging genotype. The cryo-electron microscopy molecular envelope of PCV2d virus-like particles identifies differences between PCV2a, b...

journal_title：Virology

authors： Khayat R,Wen K,Alimova A,Gavrilov B,Katz A,Galarza JM,Gottlieb P

更新日期：2019-11-01 00:00:00

abstract：:The primer binding site (PBS) is involved in two stages during the reverse transcription of the retroviral RNA genome. In the early stage, the PBS provides complementary sequences through which tRNA(Lys,3) binds the viral RNA genome to initiate minus-strand DNA synthesis; in the later stages, complementarity between t...

journal_title：Virology

authors： Wakefield JK,Morrow CD

更新日期：1996-06-15 00:00:00

abstract：:A full-size cloned cDNA copy of the rotavirus gene encoding the structural neutralization glycoprotein (VP7) of Nebraska calf diarrhea virus (NCDV), a strain recently shown to be effective as a vaccine in children, has been sequenced. Comparison of the deduced amino acid sequence of NCDV (serotype 6) VP7 with that of ...

journal_title：Virology

authors： Glass RI,Keith J,Nakagomi O,Nakagomi T,Askaa J,Kapikian AZ,Chanock RM,Flores J

更新日期：1985-03-01 00:00:00

abstract：:Human papillomavirus type 16 (HPV 16) is often found in cervical carcinomas, while HPV 6 is frequently associated with benign genital lesions. We have compared the abilities of the E7 transforming proteins of HPV 6 and 16 to transform various established and primary rodent cells by using the same heterologous promoter...

journal_title：Virology

authors： Takami Y,Sasagawa T,Sudiro TM,Yutsudo M,Hakura A

更新日期：1992-02-01 00:00:00

abstract：:All lepidopteran baculovirus genomes sequenced to date encode a viral fibroblast growth factor homolog (vfgf), suggesting that vfgf may play an important role in the infection cycle of lepidopteran baculoviruses. Here, we describe the characterization of a Bombyx mori nucleopolyhedrovirus (BmNPV) mutant lacking functi...

journal_title：Virology

authors： Katsuma S,Horie S,Daimon T,Iwanaga M,Shimada T

更新日期：2006-11-10 00:00:00

abstract：:We previously showed that reduced infectivity of HIV with incompletely processed capsid-spacer protein 1 (CA-SP1) is rescued by cellular activation or increased expression of HSP90AB1, a member of the cytosolic heat shock protein 90 family. Here we show that HSP90AB1 is present in HIV virions and that HSP90AB1, but no...

journal_title：Virology

authors： Joshi P,Sloan B,Torbett BE,Stoddart CA

更新日期：2013-02-05 00:00:00

abstract：:Electron microscopy and sequence analysis have suggested the presence of distinct morphological regions within the reovirus cell attachment protein sigma 1. Kinking of purified sigma 1 observed by electron microscopy and sequence-predicted flexibility profiles suggest the presence of potential flexible regions in the ...

journal_title：Virology

authors： Duncan R,Lee PW

更新日期：1994-08-15 00:00:00

abstract：:IL-17-producing (Th17) and regulatory T (Treg) cells have been well established in the pathogenesis of many inflammatory diseases. To assess whether Th17 and Treg were altered in acute virus-induced myocarditis (AVMC) mice, we assessed Th17/Treg functions on different levels in AVMC. It was shown that the expression o...

journal_title：Virology

authors： Xie Y,Chen R,Zhang X,Chen P,Liu X,Xie Y,Yu Y,Yang Y,Zou Y,Ge J,Chen H

更新日期：2011-12-05 00:00:00

abstract：:Infection with Epstein-Barr virus (EBV) usually leads to a latent state in B lymphocytes. The virus can be reactivated through two viral transactivators, Zta and Rta, leading to a cascade of gene expression. An EBV DNA array was generated to analyze the pattern of transcription of the entire EBV genome under various c...

journal_title：Virology

authors： Lu CC,Jeng YY,Tsai CH,Liu MY,Yeh SW,Hsu TY,Chen MR

更新日期：2006-02-20 00:00:00

abstract：:Tobacco plants transformed with the P1 and P2 replicase genes of alfalfa mosaic virus (AIMV) have been shown to produce functional replicase proteins, permitting their infection with AIMV inocula lacking the genome segments encoding P1 and P2, respectively. To see whether expression of a mutant P2 protein would interf...

journal_title：Virology

authors： Brederode FT,Taschner PE,Posthumus E,Bol JF

更新日期：1995-03-10 00:00:00

abstract：:Computational analysis of feline immunodeficiency virus (FIV) RNA sequences indicated that common FIV strains contain a rev response element (RRE) defined by a long unbranched hairpin with 6 stem-loop sub-domains, termed stem-loop A (SLA). To examine the role of the RNA secondary structure of the RRE, mutational analy...

journal_title：Virology

authors： Na H,Huisman W,Ellestad KK,Phillips TR,Power C

更新日期：2010-09-01 00:00:00

abstract：:Simian virus (SV40) T antigen shares many characteristics with adenovirus E1A which is known to induce apoptosis. To verify the potential of SV40 T antigen-mediated apoptosis, we stably expressed T antigen in immortalized human epithelial cells (Z172 and HaCaT). We found that SV40 T antigen could directly cause apopto...

journal_title：Virology

authors： Chen SL,Tsao YP,Chen YL,Huang SJ,Chang JL,Wu SF

更新日期：1998-05-10 00:00:00

abstract：:The open reading frame of the large subunit (R1) of herpes simplex virus type 1 (HSV-1) ribonucleotide reductase has been positioned downstream of the phage T7 gene 10 promoter in the expression vector, pET. Transformation of this recombinant plasmid into Escherichia coli BL21 DE3 cells containing the T7 RNA polymeras...

journal_title：Virology

authors： Furlong J,Conner J,McLauchlan J,Lankinen H,Galt C,Marsden HS,Clements JB

更新日期：1991-06-01 00:00:00

abstract：:Pseudorabies virus (PRV) China reference strain Ea is genetically closely related to newly emerged variants; however, there is limited information about PRV Ea. Here, we compared PRV Ea with new variant strains by growth kinetics, genome sequencing, and protein expression analysis. Growth analysis showed that strain E...

journal_title：Virology

authors： Wang X,Wu CX,Song XR,Chen HC,Liu ZF

更新日期：2017-06-01 00:00:00

abstract：:Feline immunodeficiency virus (FIV) is a lentivirus associated with an immunodeficiency syndrome of the domestic cat. A short open reading frame (ORF2), of unknown function, is present in all FIV isolates. We have investigated the role of ORF2 in determining the cell tropism of two infectious molecular clones of FIV. ...

journal_title：Virology

authors： Waters AK,De Parseval AP,Lerner DL,Neil JC,Thompson FJ,Elder JH

更新日期：1996-01-01 00:00:00

abstract：:In this study, we show that adenoviral infection induced accumulation of the sphingolipid ceramide in a dose- and time-dependent manner. This accumulation preceded cell lysis, occurred in the absence of biochemical evidence of apoptosis, and was derived from de novo synthesis of ceramide. An adenovirus mutant that lac...

journal_title：Virology

authors： Kanj SS,Dandashi N,El-Hed A,Harik H,Maalouf M,Kozhaya L,Mousallem T,Tollefson AE,Wold WS,Chalfant CE,Dbaibo GS

更新日期：2006-02-05 00:00:00

abstract：:Primary varicella-zoster virus (VZV) infection of humans may result in latent infection of sensory neurons in the peripheral nervous system. To examine the interaction of VZV with the sensory neuron we infected immunochemically defined human neurons with cell-associated VZV. Utilizing double-label immunofluorescence t...

journal_title：Virology

authors： Wigdahl B,Rong BL,Kinney-Thomas E

更新日期：1986-07-30 00:00:00

abstract：:The molecular cloning of the DNA provirus of Mason-Pfizer monkey virus (M-PMV) is described. Fourteen independent clones of integrated M-PMV proviruses were isolated from a human embryo kidney cell line that had been previously derived from a single cell clone infected with M-PMV. Characterization of these clones for ...

journal_title：Virology

authors： Barker CS,Pickel J,Tainsky M,Hunter E

更新日期：1986-09-01 00:00:00

abstract：:Virus genomes are condensed and packaged inside stable proteinaceous capsids that serve to protect them during transit from one cell or host organism, to the next. During virus entry, capsid shells are primed and disassembled in a complex, tightly-regulated, multi-step process termed uncoating. Here we compare the unc...

journal_title：Virology

authors： Kilcher S,Mercer J

更新日期：2015-05-01 00:00:00

abstract：:The virion-associated Vpr protein of human immunodeficiency virus type 1 (HIV-1) alters cell cycle progression from the G2 phase, influences the virus in vivo mutation rate, and participates in the nuclear translocation of viral DNA. While many Vpr-interacting proteins have been identified, the functional relevance of...

journal_title：Virology

authors： Mansky LM,Preveral S,Le Rouzic E,Bernard LC,Selig L,Depienne C,Benarous R,Benichou S

更新日期：2001-03-30 00:00:00