Mapping early transcription products of Autographa californica nuclear polyhedrosis virus.

abstract：:Dengue viruses (DENV) are the most important arboviral pathogens in tropical and subtropical regions throughout the world. DENV transmission includes both a sylvatic, enzootic cycle between nonhuman primates and arboreal mosquitoes of the genus Aedes, and an urban, endemic/epidemic cycle between Aedes aegypti, a mosqu...

journal_title：Virology

authors： Vasilakis N,Shell EJ,Fokam EB,Mason PW,Hanley KA,Estes DM,Weaver SC

更新日期：2007-02-20 00:00:00

abstract：:In this study, we present enzymatic differences found between recombinant RTs derived from feline leukemia virus and feline immunodeficiency virus. Firstly, FIV RT showed low steady state K(m) values for dNTPs compared to FeLV RT. Consistent with this, FIV RT synthesized DNA more efficiently than FeLV RT at low dNTP c...

journal_title：Virology

authors： Operario DJ,Reynolds HM,Kim B

更新日期：2005-04-25 00:00:00

abstract：:Previous serological studies of experimental infection with duck hepatitis B virus (DHBV) have shown that the outcome of infection depends largely on the age of the duck at the time of inoculation. To examine the hypothesis that decreased susceptibility with increased age might be due to the loss of the virus receptor...

journal_title：Virology

authors： Qiao M,Gowans EJ,Burrell CJ

更新日期：1992-02-01 00:00:00

abstract：:We describe here the transduction of murine hematopoietic progenitor cells with the dominant selectable neomycin drug-resistance (Neo) gene using a recombinant adeno-associated virus (AAV) vector. Successful transformation of progenitor cells to drug resistance was determined to be approximately 1.5% by colony formati...

journal_title：Virology

authors： LaFace D,Hermonat P,Wakeland E,Peck A

更新日期：1988-02-01 00:00:00

abstract：:The effect of murine cytomegalovirus (MCMV) infection on interleukin 1 (IL-1) secretion was assessed using the macrophage cell lines P388D1 and J774A.1. The former proved to be nonpermissive for MCMV in that infectious virus and viral immediate early protein (pp89) were not expressed in these cells. MCMV infection of ...

journal_title：Virology

authors： Lewis MA,Slater JS,Leverone LI,Campbell AE

更新日期：1990-10-01 00:00:00

abstract：:RNA interference (RNAi) is the process by which double-stranded RNA (dsRNA) directs sequence-specific degradation of messenger RNA in animal and plant cells. In mammalian cells, RNAi can be triggered by 21-23 nucleotide duplexes of small interfering RNA (siRNA). Strategies to inhibit RNA virus multiplication based on ...

journal_title：Virology

authors： Liu M,Chen W,Ni Z,Yan W,Fei L,Jiao Y,Zhang J,Du Q,Wei X,Chen J,Liu Y,Zheng Z

更新日期：2005-05-25 00:00:00

abstract：:Several VV structural proteins are produced by the removal of amino-terminal peptides from their cognate precursors. In the experiments reported here, directed genetic approaches were used to investigate the possible role of these terminal peptides in protein processing. As a model system, the FLAG epitope-tagged P25K...

journal_title：Virology

authors： Lee P,Hruby DE

更新日期：1995-02-20 00:00:00

abstract：:Hepatitis C virus (HCV) core protein is a multifunctional protein interacting with cellular and viral proteins and promoters. A tetracycline-regulated system was used to generate a HepG2 Tet-Off cell line allowing regulated expression of a full-length (191 aa) and an N(c)-truncated core protein (160 aa). In this syste...

journal_title：Virology

authors： Erhardt A,Hassan M,Heintges T,Häussinger D

更新日期：2002-01-20 00:00:00

abstract：:Foot-and-mouth disease virus (FMDV) shows a remarkable antigenic variability. Like other RNA viruses, this virus has a high rate of mutation. It has been proposed that selection exerted by the host's antibodies could play a major role in the rapid evolution of FMDV. The present work reports the selection of FMDV antib...

journal_title：Virology

authors： Carrillo EC,Rojas ER,Cavallaro L,Schiappacassi M,Campos R

更新日期：1989-08-01 00:00:00

abstract：:Full-length cDNA clones of RNA 2 of tobacco rattle virus (TRV) strain PLB have been cloned into the transcription vector pPM1. Products of in vitro transcription by Escherichia coli RNA polymerase, either capped or uncapped, were as infectious as native RNA 2 when coinoculated with RNA 1 of TRV strain TCM. At least 70...

journal_title：Virology

authors： Angenent GC,Posthumus E,Bol JF

更新日期：1989-11-01 00:00:00

abstract：:The expression of the core gene of two different hepatitis C virus (HCV) isolates was analyzed. In the presence of its downstream E1 envelope protein sequence, two major core protein products with molecular masses of 21 kDa (P21) and 19 kDa (P19) and a minor protein product with molecular mass of 16 kDa (P16) were det...

journal_title：Virology

authors： Lo SY,Masiarz F,Hwang SB,Lai MM,Ou JH

更新日期：1995-11-10 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：:H5 and H7 avian influenza viruses can become highly pathogenic in chickens after interspecies transmission. These viruses have transmitted directly to humans from birds in Eurasia and Africa (H5N1), the Netherlands (H7N7), and Canada (H7N3). Here we report antigenic, sequence, and phylogenetic analyses of H7N3 viruses...

journal_title：Virology

authors： Aamir UB,Naeem K,Ahmed Z,Obert CA,Franks J,Krauss S,Seiler P,Webster RG

更新日期：2009-08-01 00:00:00

abstract：:Monoclonal antibodies have been produced and used to map the functional topography of the surface proteins of rhesus rotavirus (RRV) that mediate viral neutralization. Ten monoclonal antibodies directed to VP7 were studied in neutralization assays and competitive binding studies. A large neutralization domain with sev...

journal_title：Virology

authors： Shaw RD,Vo PT,Offit PA,Coulson BS,Greenberg HB

更新日期：1986-12-01 00:00:00

abstract：:The HIV-1 Gag polyprotein specifically incorporates the cellular peptidylprolyl isomerase cyclophilin A into virions. HIV-1 replication is inhibited by cyclosporine A, an immunosuppressive drug which binds with high affinity to cyclophilin A and precludes interaction with the Gag polyprotein. Using a panel of four dru...

journal_title：Virology

authors： Franke EK,Luban J

更新日期：1996-08-01 00:00:00

abstract：:Nucleotide sequencing studies (D. J. McGeoch, A. Dolan, S. Donald, and F. Rixon, 1985, J. Mol. Biol. 181, 1-14) have indicated that herpes simplex virus type 1 (HSV-1) has a coding sequence, referred to as US7, between the genes for the glycoproteins D and E (gD and gE). Northern blot analysis and nucleotide sequencin...

journal_title：Virology

authors： Hodgman TC,Minson AC

更新日期：1986-08-01 00:00:00

abstract：:In this study we have used an expression system based on Semliki Forest virus (SFV) to study assembly and intracellular localization of certain capsid proteins of rotavirus in neurons and mammalian epithelial cells. The complete genes of vp2 (vp2A) and vp6 (vp6A) of group A rotavirus (SA-11) and gene 5 encoding vp6 (v...

journal_title：Virology

authors： Nilsson M,von Bonsdorff CH,Weclewicz K,Cohen J,Svensson L

更新日期：1998-03-15 00:00:00

abstract：:Trans-acting regulatory components of Autographa californica nuclear polyhedrosis virus (AcMNPV) were studied in a transient assay system for their ability to activate the p143 gene promoter. A region including 502 nt upstream of the AUG of the p143 gene was linked to the bacterial chloramphenicol acetyltransferase (C...

journal_title：Virology

authors： Lu A,Carstens EB

更新日期：1993-08-01 00:00:00

abstract：:Poliovirus was first isolated nearly 100 years ago in a landmark experiment that established the viral etiology of poliomyelitis. This discovery stimulated investigation of the pathogenesis of poliomyelitis in many laboratories. Nearly 50 years later, when two effective poliovirus vaccines were developed, the impetus ...

journal_title：Virology

authors： Racaniello VR

更新日期：2006-01-05 00:00:00

abstract：:The Autographa californica M nucleopolyhedrovirus (AcMNPV) viral fibroblast growth factor (vFGF) has functional parallels to cellular FGFs. Deletion of the AcMNPV vfgf has no obvious phenotype in cell culture but delays the time of insect death. Here, we determined vFGF production during virus infection. vFGF was dete...

journal_title：Virology

authors： Lehiy CJ,Martinez O,Passarelli AL

更新日期：2009-12-05 00:00:00

abstract：:Homologous, subgenomic fragments of the viral LCR and E6/E7 transforming genes of HPV-18 and HPV-16 were amplified from several primary cervical, penile, and vulvar tumors and cloned into a pUC-18-derived vector. When assayed by a quantitative transformation assay using primary human keratinocytes, the subgenomic regi...

journal_title：Virology

authors： Villa LL,Schlegel R

更新日期：1991-03-01 00:00:00

abstract：:The oncogenic potential of human papillomavirus type 18 which is found in a significant number of cervical and penile cancer biopsies was tested in primary human keratinocytes derived from neonatal foreskin. Viral DNA and a gene for resistance to neomycin were introduced into these cells by calcium phosphate transfect...

journal_title：Virology

authors： Kaur P,McDougall JK

更新日期：1989-11-01 00:00:00

abstract：:Viruses in certain genera in family Caulimoviridae were shown to integrate their genomic sequences into their host genomes and exist as endogenous pararetroviral sequences (EPRV). However, members of the genus Caulimovirus remained to be the exception and are known to exist only as episomal elements in the infected ce...

journal_title：Virology

authors： Pahalawatta V,Druffel K,Pappu H

更新日期：2008-07-05 00:00:00

abstract：:Although rodents are important reservoirs for RNA viruses, to date only one species of rodent coronavirus (CoV) has been identified. Herein, we describe a new CoV, denoted Lucheng Rn rat coronavirus (LRNV), and novel variants of two Betacoronavirus species termed Longquan Aa mouse coronavirus (LAMV) and Longquan Rl ra...

journal_title：Virology

authors： Wang W,Lin XD,Guo WP,Zhou RH,Wang MR,Wang CQ,Ge S,Mei SH,Li MH,Shi M,Holmes EC,Zhang YZ

更新日期：2015-01-01 00:00:00

abstract：:The molecular mechanism(s) by which human immunodeficiency virus (HIV-1) injures a T-cell line was studied. A pathological role for viral env proteins, which are inserted into the plasma membrane, has been previously demonstrated for HIV as well as other retroviruses which are cytopathic. We therefore initiated studie...

journal_title：Virology

authors： Lynn WS,Tweedale A,Cloyd MW

更新日期：1988-03-01 00:00:00

abstract：:We have demonstrated that Ad.betaGal, a broadly used adenoviral vector of serotype 5, binds and induces proto-oncogene c-fos expression in quiescent cultures of mouse brain astrocytes. As observed in Northern blots, the expression of this immediate early gene is induced by viral infection in a dose-dependent manner, p...

journal_title：Virology

authors： Rubio N,Martin-Clemente B

更新日期：2002-06-05 00:00:00

abstract：:We have shown that polyamide nucleic acids (PNAs) targeted to the PBS (PNA(PBS)) and A-loop (PNA(A-loop)) sequences, when transfected into cells, inhibit HIV-1 replication by blocking the initiation of reverse transcription via destabilizing tRNA(3)(Lys) primer from the viral genome. Here we demonstrate that both PNA(...

journal_title：Virology

authors： Tripathi S,Chaubey B,Barton BE,Pandey VN

更新日期：2007-06-20 00:00:00

abstract：:Altered cytokine profiles and imbalanced frequencies of CD4(+) T helper cell subsets are thought to be linked with HIV-1/AIDS pathogenesis, but the causes need to be further clarified. Histamine, a biogenic amine with many functions, shows enhancement in HIV-1 infected individuals, which are considered to link with di...

journal_title：Virology

authors： Zhai RR,Jiang AP,Wang HB,Ma L,Ren XX,Jiang JF,Wu L,Wei JF,Wang JH

更新日期：2013-08-01 00:00:00

abstract：:Here we address the role of RIG-I and TLR3 in differential cytokine responses against Simian Virus 5 (SV5) and two distinct cytokine inducing SV5 mutants. IFN-beta and IL-6 secretion was induced by infection with P/V-CPI-, an SV5 mutant with P/V substitutions, and were reduced by either siRNA-mediated knockdown of RIG...

journal_title：Virology

authors： Manuse MJ,Parks GD

更新日期：2010-02-05 00:00:00

abstract：:A nonaphid transmissible (NAT) variant of tobacco vein mottling virus (TVMV) was used to test the hypothesis that the viral coat protein (CP) plays a role in determining aphid transmissibility. Comparison of the nucleotide sequences in the coat protein cistron of an aphid transmissible isolate (TVMV-AT) with that of T...

journal_title：Virology

authors： Atreya CD,Raccah B,Pirone TP

更新日期：1990-09-01 00:00:00