Vaccinia virions deficient in transcription enzymes lack a nucleocapsid.

abstract：:Herpes simplex virus mutant KG111 contains a nonsense mutation at codon 44 of the viral thymidine kinase (tk) gene and produces low amounts of a truncated tk polypeptide. We tested mutant KG111 and related viruses that specify varying amounts of similar truncated tk polypeptides for their sensitivities to antiviral nu...

journal_title：Virology

authors： Coen DM,Irmiere AF,Jacobson JG,Kerns KM

更新日期：1989-02-01 00:00:00

abstract：:The N-terminal domains of the NS1 protein of influenza B virus (NS1B protein) and the NS1 protein of influenza A virus (NS1A protein) share one function: binding double-stranded RNA (dsRNA). Here we show that the N-terminal domain of the NS1B protein possesses an additional function that is not shared by its NS1A coun...

journal_title：Virology

authors： Yuan W,Aramini JM,Montelione GT,Krug RM

更新日期：2002-12-20 00:00:00

abstract：:Infectious pancreatic necrosis is an important viral disease of salmonid fish reared in hatchery. Its etiological agent, IPNV, showed a high degree of antigenic heterogeneity. Up to 10 serotypes and 2 serogroups were proposed. Yet, very little is known about genomic variations among viruses of different origin. In ord...

journal_title：Virology

authors： Heppell J,Berthiaume L,Corbin F,Tarrab E,Lecomte J,Arella M

更新日期：1993-08-01 00:00:00

abstract：:H7N9 influenza A first caused human infections in early 2013 in China. Virus genetics, histories of patient exposures to poultry, and previous experimental studies suggest the source of the virus is a domestic avian species, such as chickens. In order to better understand the ecology of this H7N9 in chickens, we evalu...

journal_title：Virology

authors： Spackman E,Pantin-Jackwood M,Swayne DE,Suarez DL,Kapczynski DR

更新日期：2015-03-01 00:00:00

abstract：:Marek's disease virus (MDV) is an oncogenic alphaherpesvirus of Gallus gallus, the domesticated chicken. Control strategies rely upon vaccination with live attenuated viruses of antigenically similar avian herpesviruses or attenuated strains of MDV. Recent studies in other viruses have shown that recoding certain vira...

journal_title：Virology

authors： Conrad SJ,Silva RF,Hearn CJ,Climans M,Dunn JR

更新日期：2018-03-01 00:00:00

abstract：:The nucleotide and deduced amino acid sequence of G serotype 3 equine rotavirus strain H-2 was determined. A predicted 776-amino-acid H-2 VP4 shows less than or equal to 85.3% identity to other rotavirus VP4 types sequenced to date and thus represents a new P serotype. A PCR-generated probe derived from a cDNA clone o...

journal_title：Virology

authors： Hardy ME,Gorziglia M,Woode GN

更新日期：1993-03-01 00:00:00

abstract：:A novel human papillomavirus type (HPV) was cloned from an invasive cervical carcinoma. The viral clone showed no homology with other known prototypes of HPV (HPV-1 through HPV-57), except HPV-33 by Southern blot analysis under stringent conditions. It showed less than 20% homology to HPV-33 by reassociation kinetic a...

journal_title：Virology

authors： Matsukura T,Sugase M

更新日期：1990-08-01 00:00:00

abstract：:Using the 5' long terminal repeat (LTR) as its only promoter, the HTLV-1 provirus generates a single RNA transcript that undergoes differential splicing to express the various viral proteins. Examination of sequence near the transcription start site revealed an element resembling a transcriptional initiator (Inr) at p...

journal_title：Virology

authors： Wycuff DR,Goff MD,Marriott SJ

更新日期：2001-02-01 00:00:00

abstract：:Deletion of the nef gene results in viral attenuation and confers protection against challenge with wild-type simian immunodeficiency virus in macaques. Regarding HIV-1 infection, a few long-term nonprogressors (LTNP) with nef deletions have been described. In this study, the nef genes of a group of seven LTNP and eig...

journal_title：Virology

authors： Brambilla A,Turchetto L,Gatti A,Bovolenta C,Veglia F,Santagostino E,Gringeri A,Clementi M,Poli G,Bagnarelli P,Vicenzi E

更新日期：1999-07-05 00:00:00

abstract：:Vitis vinifera cultivars Zinfandel-1A and Mission were found to harbor different grapevine yellow speckle viroid-1 (GYSVd-1) variants and characterized to define the relationship to yellow speckle (YS) and vein-banding (VB) diseases. Products from the left terminal (T1), pathogenic (P), and a portion of the central (C...

journal_title：Virology

authors： Szychowski JA,Credi R,Reanwarakorn K,Semancik JS

更新日期：1998-09-01 00:00:00

abstract：:Granulin and polyhedrin proteins were purified by preparative sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis from the baculoviruses Autographa californica, Rachiplusia ou, Heliothis zea, Heliothis armigera, Trichoplusia ni, and Spodoptera frugiperda. Antisera were raised against Autographa californica...

journal_title：Virology

authors： Summers MD,Hoops P

更新日期：1980-05-01 00:00:00

abstract：:We described a simple method to introduce site-specific mutations into region E3 of adenovirus (Ad). Mutations are made in cloned Ad2 EcoRI-D (map position 76-83), then ligated between Ad5 EcoRI-A (map position 0-76) and EcoRI-B (map position 83-100) to complete the viral genome. We have used this method to isolate a ...

journal_title：Virology

authors： Wold WS,Deutscher SL,Takemori N,Bhat BM,Magie SC

更新日期：1986-01-15 00:00:00

abstract：:The tobamoviruses, tobacco mosaic virus (TMV) and Odontoglossum ringspot virus (ORSV), differ in the range of plant species that each can systemically infect. Both viruses systemically infect Nicotiana benthamiana similarly, but differ in the ability to systemically infect tobacco (N. tabacum). ORSV is confined to the...

journal_title：Virology

authors： Hilf ME,Dawson WO

更新日期：1993-03-01 00:00:00

abstract：:The heptauridine tract at each gene end and intergenic region (IGR) at the gene junctions of vesicular stomatitis virus (VSV) have effects on synthesis of the downstream mRNA, independent of their respective roles in termination of the upstream mRNA. To investigate the role of the U tract and the IGR in downstream gen...

journal_title：Virology

authors： Hinzman EE,Barr JN,Wertz GW

更新日期：2008-10-25 00:00:00

abstract：:Chicken ovalbumin upstream promoter-transcription factor (COUP-TF) is an orphan nuclear receptor that represses transcription of many genes. In adenovirus type 12 (Ad12) transformed cells, a high level of binding activity of COUP-TF to the major histocompatibility complex (MHC) class I enhancer correlates with the dow...

journal_title：Virology

authors： Smirnov DA,Hou S,Ricciardi RP

更新日期：2000-03-15 00:00:00

abstract：:Interleukin (IL)-15, is a cytokine that is important for the maintenance of long-lasting, high-avidity T cell response to invading pathogens and has, therefore, been used in vaccine and therapeutic platforms as an adjuvant. In addition to pure protein delivery, plasmids encoding the IL-15 gene have been utilized. Howe...

journal_title：Virology

authors： Yin J,Dai A,Laddy DJ,Yan J,Arango T,Khan AS,Lewis MG,Andersen H,Kutzler MA,Draghia-Akli R,Weiner DB,Boyer JD

更新日期：2009-10-10 00:00:00

abstract：:The hypervariable region 1 (HVR1) of the putative envelope 2 protein of the hepatitis C virus (HCV) is the most variable part of the whole HCV polyprotein. Anti-HVR1 antibodies have been shown to protect against HCV infection, indicating that this region contains an important neutralization determinant. Recently we an...

journal_title：Virology

authors： Del Porto P,Puntoriero G,Scottà C,Nicosia A,Piccolella E

更新日期：2000-04-10 00:00:00

abstract：:The core gene promoter of duck hepatitis B virus (DHBV) has been localized and an enhancer element has been found in a region of the DHBV genome immediately upstream of the core promoter. This enhancer was able to activate expression from both the core promoter and the S promoter of DHBV, as well as from the heterolog...

journal_title：Virology

authors： Liu C,Condreay LD,Burch JB,Mason W

更新日期：1991-09-01 00:00:00

abstract：:It has previously been shown that the genome of RF virus, a variant of the human papovavirus, BK, consists of two DNA species, one (R1a) with a deletion corresponding to the early and the other (R2) with a deletion corresponding to the late region of BKV (A. Pater, M.M. Pater, and G. di Mayorca (1980). J. Virol. 36, 4...

journal_title：Virology

authors： Pater A,Pater MM,Chang LS,Slawin K,Di Mayorca G

更新日期：1983-12-01 00:00:00

abstract：:To identify the potential RNA inhibitors of HCV polymerase, we have isolated high-affinity RNA ligands specific to hepatitis C virus (HCV) NS5B protein from a combinatorial RNA library using the Systematic Evolution of Ligands by EXponential enrichment (SELEX) procedure. Thirty-seven selected ligands were classified i...

journal_title：Virology

authors： Vo NV,Oh JW,Lai MM

更新日期：2003-03-15 00:00:00

abstract：:Using high resolution electron microscopic autoradiography and immunocytochemistry with monoclonal antibodies against poliovirus proteins of the P2 genomic region, the location of these proteins in respect to the virus-induced vesicle formation and the viral RNA synthesis was followed during the viral replication cycl...

journal_title：Virology

authors： Bienz K,Egger D,Pasamontes L

更新日期：1987-09-01 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：:RNase protection analysis of mRNAs for Epstein-Barr virus (EBV) genes activated early in the induction of the productive cycle in Akata cells has confirmed that BZLF1 and BRLF1 behave as immediate early genes. These are likely to be the only virus immediate early genes since analysis of three other transcripts previou...

journal_title：Virology

authors： Packham G,Brimmell M,Cook D,Sinclair AJ,Farrell PJ

更新日期：1993-02-01 00:00:00

abstract：:A collection of randomly generated temperature-sensitive (ts) vaccinia virus (strain IHD-W) mutants were reported by S. Dales et al., (1978, Virology, 84, 403-428) in 1978 and characterized by electron microscopy. We have performed further genetic analysis on the Dales collection of mutants to make the mutants more us...

journal_title：Virology

authors： Lackner CA,D'Costa SM,Buck C,Condit RC

更新日期：2003-01-20 00:00:00

abstract：:When effector CD4+ T cells carrying integrated HIV-1 proviruses revert back to a resting memory state, the virus can remain silent in those cells for years. Following re-exposure to the nominal antigen or in response to other stimuli (e.g. pro-inflammatory cytokines), these cells can begin to produce virus. Here we de...

journal_title：Virology

authors： Thibault S,Imbeault M,Tardif MR,Tremblay MJ

更新日期：2009-06-20 00:00:00

abstract：:Various lectins were tested for blocking rotavirus infection of MA104 cells and it was observed that galactose-specific lectins were the most inhibitory. Of these Ricinus agglutinin was able to inhibit infection (by human and animal strains) at concentrations as low as 10(-9) M. In addition, in a virus overlay protein...

journal_title：Virology

authors： Jolly CL,Beisner BM,Holmes IH

更新日期：2000-09-15 00:00:00

abstract：:The M2 protein of influenza A H1N1 strains PR8, WS, and WSN is present in homooligomeric forms in virions grown in the allantoic cavity of embryonated eggs. The bulk of the virion M2 is detected as tetramers and dimers. The oligomeric forms of PR8 virions differ from those of WS and WSN not only in apparent molecular ...

journal_title：Virology

authors： Panayotov PP,Schlesinger RW

更新日期：1992-01-01 00:00:00

abstract：:Visna is a slow virus infection of sheep in which the characteristic pathological change is demyelination in foci of inflammation. The latter is thought to be the result of an immunopathological process directed against cellular and antigenic targets that have been difficult to define because of restricted viral gene ...

journal_title：Virology

authors： Stowring L,Haase AT,Petursson G,Georgsson G,Palsson P,Lutley R,Roos R,Szuchet S

更新日期：1985-03-01 00:00:00

abstract：:Members of the genus Mastrevirus (family Geminiviridae) produce a complementary-sense (c-sense) transcription unit with the potential to encode two proteins, RepA and Rep. In the present work, we have studied the DNA-protein complexes formed by the Wheat dwarf virus (WDV) RepA protein within the WDV large intergenic r...

journal_title：Virology

authors： Missich R,Ramirez-Parra E,Gutierrez C

更新日期：2000-07-20 00:00:00

abstract：:Genetic variants surrounding the interferon-λ3 (IFNL3) gene are strongly associated with clearance of hepatitis C virus (HCV). A variant (rs368234815 TT/ΔG) upstream of IFNL3 was recently implicated to control expression of a novel gene termed IFNL4. We conducted genetic analysis of rs368234815 in a chronic HCV patien...

journal_title：Virology

authors： Lu YF,Goldstein DB,Urban TJ,Bradrick SS

更新日期：2015-02-01 00:00:00