Two independent mutations are required for temperature-sensitive cell transformation by a Rous sarcoma virus temperature-sensitive mutant.

abstract：:We isolated, purified, and characterized the hemagglutinin-neuraminidase (HN) of human parainfluenza virus type 1, with the ultimate goal of producing crystals suitable for three-dimensional X-ray structure analysis. Pronase was used to cleave the globular head of the HN molecule directly from virus particles, forming...

journal_title：Journal of virology

authors： Takimoto T,Laver WG,Murti KG,Portner A

更新日期：1992-12-01 00:00:00

abstract：:Paramyxoviral RNAs are synthesized by a viral RNA-dependent RNA polymerase (RdRp) consisting of the large (L) protein and its cofactor phosphoprotein (P protein). The L protein is a multifunctional protein that catalyzes RNA synthesis, mRNA capping, and mRNA polyadenylation. Growing evidence shows that the stability o...

journal_title：Journal of virology

authors： Katoh H,Kubota T,Nakatsu Y,Tahara M,Kidokoro M,Takeda M

更新日期：2017-02-28 00:00:00

abstract：:Ultrastructure was correlated with growth kinetics of bdellophage VL-1 infecting host-dependent ("parasitic") Bdellovibrio bacteriovorus 109J in its Escherichia coli B host (the three-membered system), as well as in the host-independent ("saprophytic") derivative of the Bdellovibrio. Electron microscope observations s...

journal_title：Journal of virology

authors： Kessel M,Varon M

更新日期：1973-12-01 00:00:00

abstract：:Phenol-extracted, infectious deoxyribonucleic acid (DNA) species from phi105 phage particles, from phi105 lysogenic bacteria, and from induced phi105 lysogenic bacteria were sedimented in sucrose gradients. Infectious DNA from phi105 particles sedimented like the bulk of mature phage DNA in neutral sucrose. Infectivit...

journal_title：Journal of virology

authors： Rutberg L,Rutberg B

更新日期：1970-05-01 00:00:00

abstract：:Infection of mice with Moloney murine leukemia virus (M-MuLV) as well as with a nonpathogenic variant, Mo+PyF101 M-MuLV, was studied. Mo+PyF101 M-MuLV differs from wild-type M-MuLV by the addition of enhancer sequences from polyomavirus in the long terminal repeat. Previous experiments indicated that Mo+PyF101 establi...

journal_title：Journal of virology

authors： Davis BR,Chandy KG,Brightman BK,Gupta S,Fan H

更新日期：1986-11-01 00:00:00

abstract：:Purified Semliki Forest virus (SFV) contains three structural proteins while its core (nucleocapsid) contains two of these proteins. To identify all of the proteins synthesized under virus direction, cells were infected with SFV in the presence of actinomycin D and guanidine. Cell protein synthesis was markedly and ir...

journal_title：Journal of virology

authors： Friedman RM

更新日期：1968-10-01 00:00:00

abstract：:Apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like 3 (APOBEC3) proteins are encapsidated by assembling HIV-1 virions and edit viral cDNA in the next round of infection. Using alpha interferon (IFN-α)-treated monocyte-derived macrophages, we show that infrequent editing of HIV-1 reverse transcripts can als...

journal_title：Journal of virology

authors： Koning FA,Goujon C,Bauby H,Malim MH

更新日期：2011-12-01 00:00:00

abstract：:Profiles of bacteriophage T4 early proteins resolved by a two-dimensional nonequilibrium pH gradient electrophoresis system (P. Z. O'Farrell, H. M. Goodman, and P. H. O'Farrell, Cell 12:1133--1142, 1977) are presented. Over 65 phage-induced proteins were resolved. Amber or deletion mutants were used to identify 17 pro...

journal_title：Journal of virology

authors： Cook KS,Seasholtz AF

更新日期：1982-06-01 00:00:00

abstract：:Three late transcripts have been mapped to the vaccinia virus 7.1-kilobase (kb) EcoRI F fragment, which is located approximately 85 kb from the left end of the viral genome. Hybrid selection and translation of RNA have demonstrated that these mRNAs encode three polypeptides with apparent molecular weights of 32,000 (3...

journal_title：Journal of virology

authors： Mahr A,Roberts BE

更新日期：1984-02-01 00:00:00

abstract：:Jaagsiekte sheep retrovirus (JSRV) is the causative agent of a transmissible lung cancer of sheep known as ovine pulmonary carcinoma. Recently, we have found that the expression of the JSRV envelope (Env) is sufficient to transform mouse NIH 3T3 cells in classical transformation assays. To further investigate the mech...

journal_title：Journal of virology

authors： Palmarini M,Maeda N,Murgia C,De-Fraja C,Hofacre A,Fan H

更新日期：2001-11-01 00:00:00

abstract：:We have previously reported that chimpanzees chronically infected with hepatitis C virus (HCV) could be reinfected, even with the original infecting strain. In this study we tested the hypothesis that this might reflect the presence of minor quasispecies to which there was little or no immunity. To evaluate this hypot...

journal_title：Journal of virology

authors： Wyatt CA,Andrus L,Brotman B,Huang F,Lee DH,Prince AM

更新日期：1998-03-01 00:00:00

abstract：:During Epstein-Barr virus (EBV) latent infection of B lymphocytes in vitro, six viral nuclear antigens (EBNAs) are expressed from one of two promoters, Cp or Wp, whose activities have previously been shown to be mutually exclusive in established lymphoblastoid cell lines. Initially after infection, the EBNA genes are ...

journal_title：Journal of virology

authors： Yoo LI,Mooney M,Puglielli MT,Speck SH

更新日期：1997-12-01 00:00:00

abstract：:Functions of viral proteins can be regulated through phosphorylation by serine/threonine kinases in plants, but little is known about the involvement of tyrosine kinases in plant virus infection. In this study, TGBp3, one of the three movement proteins encoded by a triple gene block (TGB) of Potato mop-top virus (PMTV...

journal_title：Journal of virology

authors： Samuilova O,Santala J,Valkonen JP

更新日期：2013-04-01 00:00:00

abstract：:Vaccination is the most effective way to prevent influenza virus infections. However, the diversity of antigenically distinct isolates is a challenge for vaccine development. In order to overcome the antigenic variability and improve the protective efficacy of influenza vaccines, our research group has pioneered the d...

journal_title：Journal of virology

authors： Huang Y,Owino SO,Crevar CJ,Carter DM,Ross TM

更新日期：2020-02-28 00:00:00

abstract：:The binding of tail parts to the head of phage P22 is normally irreversible, but after adsorption to host cells sonication releases many of the tail parts intact. This release is dependent on the power of sonication, but is independent of the length of sonication from 2 to 32 s. This phenomenon has been used to show t...

journal_title：Journal of virology

authors： Ruddel M,Israel V

更新日期：1976-02-01 00:00:00

abstract：:The salivary glands of scrapie-affected sheep and healthy controls were investigated for the presence of the pathological prion protein (PrP(Sc)). PrP(Sc) was detected in major (parotid and mandibular) and minor (buccal, labial, and palatine) salivary glands of naturally and experimentally infected sheep. Using Wester...

journal_title：Journal of virology

authors： Vascellari M,Nonno R,Mutinelli F,Bigolaro M,Di Bari MA,Melchiotti E,Marcon S,D'Agostino C,Vaccari G,Conte M,De Grossi L,Rosone F,Giordani F,Agrimi U

更新日期：2007-05-01 00:00:00

abstract：:Coronaviruses are the largest RNA viruses, and their genomes encode replication machinery capable of efficient replication of both positive- and negative-strand viral RNAs as well as enzymes capable of processing large viral polyproteins into putative replication intermediates and mature proteins. A model described re...

journal_title：Journal of virology

authors： Donaldson EF,Graham RL,Sims AC,Denison MR,Baric RS

更新日期：2007-07-01 00:00:00

abstract：:We have identified a cytomegalovirus virion protein capable of modulating the rapid induction of an interferon-like response in cells that follows virus binding and penetration. Functional genomics revealed a role for the major cytomegalovirus structural protein, pp65 (ppUL83), in counteracting this response. The unde...

journal_title：Journal of virology

authors： Abate DA,Watanabe S,Mocarski ES

更新日期：2004-10-01 00:00:00

abstract：:Four virion activities of Newcastle disease virus (hemagglutinating, neuraminidase, hemolytic, and infectious activities) were examined before and after heat stress in low-salt buffer and physiological salt buffer (phosphate-buffered saline). The hemagglutinating and neuraminidase activities of the Australia-Victoria ...

journal_title：Journal of virology

authors： Peeples ME,Glickman RL,Bratt MA

更新日期：1983-01-01 00:00:00

abstract：:A mouse model of high-risk human papillomavirus infection was developed in which human papillomavirus (HPV) type 16 DNA was inoculated into human foreskin grafted to the skin of severe combined immunodeficient (scid) mice. Grafted skin contained human epidermis and dermis and, like normal human skin, expressed involuc...

journal_title：Journal of virology

authors： Brandsma JL,Brownstein DG,Xiao W,Longley BJ

更新日期：1995-04-01 00:00:00

abstract：UNLABELLED:A balance between the functions of the influenza virus surface proteins hemagglutinin (HA) and neuraminidase (NA) is thought to be important for the transmission of viruses between humans. Here we describe two pandemic H1N1 viruses, A/swine/Virginia/1814-1/2012 and A/swine/Virginia/1814-2/2012 (pH1N1low-1 an...

journal_title：Journal of virology

authors： Zanin M,Marathe B,Wong SS,Yoon SW,Collin E,Oshansky C,Jones J,Hause B,Webby R

更新日期：2015-06-01 00:00:00

abstract：:During the 2009 H1N1 influenza virus pandemic (pdmH1N1) outbreak, it was found that most individuals lacked antibodies against the new pdmH1N1 virus, and only the elderly showed anti-hemagglutinin (anti-HA) antibodies that were cross-reactive with the new strains. Different studies have demonstrated that prior contact...

journal_title：Journal of virology

authors： Fang Y,Banner D,Kelvin AA,Huang SS,Paige CJ,Corfe SA,Kane KP,Bleackley RC,Rowe T,Leon AJ,Kelvin DJ

更新日期：2012-02-01 00:00:00

abstract：:Retroviruses have been isolated from the tissues of human leukemia patients. Previous studies have shown that these isolates share some antigenic determinants with the family of viruses isolated from the woolly monkey and gibbon ape and that they exhibit partial nuclei acid homology with this same group of viruses. We...

journal_title：Journal of virology

authors： Sahagan BG,Haseltine WA

更新日期：1980-05-01 00:00:00

abstract：:Replication of all positive-strand RNA viruses is intimately associated with membranes. Here we utilize electron tomography and other methods to investigate the remodeling of membranes in poliovirus-infected cells. We found that the viral replication structures previously described as "vesicles" are in fact convoluted...

journal_title：Journal of virology

authors： Belov GA,Nair V,Hansen BT,Hoyt FH,Fischer ER,Ehrenfeld E

更新日期：2012-01-01 00:00:00

abstract：:A system has been developed for generating chimeric yellow fever/Japanese encephalitis (YF/JE) viruses from cDNA templates encoding the structural proteins prM and E of JE virus within the backbone of a molecular clone of the YF17D strain. Chimeric viruses incorporating the proteins of two JE strains, SA14-14-2 (human...

journal_title：Journal of virology

authors： Chambers TJ,Nestorowicz A,Mason PW,Rice CM

更新日期：1999-04-01 00:00:00

abstract：:Structural proteins designated p10gag, p21gag, p8gag, p3gag, p27gag, and p14gag from the C3H strain of mouse mammary tumor virus (MMTV) were purified by reversed-phase high-pressure liquid chromatography. The N- and C-terminal amino acid sequences and amino acid composition of each protein were determined and compared...

journal_title：Journal of virology

authors： Hizi A,Henderson LE,Copeland TD,Sowder RC,Krutzsch HC,Oroszlan S

更新日期：1989-06-01 00:00:00

abstract：:Influenza virus hemagglutinin consists of a highly variable and immunodominant head domain and a more conserved but immunosubdominant stalk domain. We introduced seven N-linked glycosylation sites in the hemagglutinin head domain to shield the immunodominant antigenic sites. The hyperglycosylated hemagglutinin enhance...

journal_title：Journal of virology

authors： Eggink D,Goff PH,Palese P

更新日期：2014-01-01 00:00:00

abstract：:We have recently shown that live attenuated virus vaccines produced on chicken-derived cells contain low levels of particle-associated reverse transcriptase (RT). In both virus and corresponding control harvests produced on chicken embryo fibroblasts, these activities were present at significantly higher concentration...

journal_title：Journal of virology

authors： Weissmahr RN,Schüpbach J,Böni J

更新日期：1997-04-01 00:00:00

abstract：:The region of the UL component of the herpes simplex virus type 1 genome between nucleotides 17,793 and 25,150 includes three open reading frames that code for the protein products of the UL8, UL9, and UL10 genes (D.J. McGeogh, M.A. Dalrymple, A.J. Davison, A. Dolan, M.C. Frame, D. McNab, L.J. Perry, J.E. Scott, and P...

journal_title：Journal of virology

authors： Baradaran K,Dabrowski CE,Schaffer PA

更新日期：1994-07-01 00:00:00

abstract：:The major internal structural protein of human T-cell lymphotropic virus type III (HTLV-III), a virus etiologically implicated in acquired immunodeficiency syndrome (AIDS), was purified to homogeneity. This 24,000-molecular-weight protein (p24) was shown to lack immunologic cross-reacting antigenic determinants shared...

journal_title：Journal of virology

authors： Casey JM,Kim Y,Andersen PR,Watson KF,Fox JL,Devare SG

更新日期：1985-08-01 00:00:00