Epochal evolution of GGII.4 norovirus capsid proteins from 1995 to 2006.

abstract：:We examined the population structure and genetic variation of four genomic regions within and between 30 Citrus tristeza virus (CTV) isolates from Spain and California. Our analyses showed that most isolates contained a population of sequence variants, with one being predominant. Four isolates showed two major sequenc...

journal_title：Journal of virology

authors： Rubio L,Ayllón MA,Kong P,Fernández A,Polek M,Guerri J,Moreno P,Falk BW

更新日期：2001-09-01 00:00:00

abstract：:The major immediate-early (MIE) gene of human cytomegalovirus (HCMV) produces multiple mRNAs through differential splicing and polyadenylation. Reverse transcriptase PCR was used to characterize transcripts from exons 1, 2, 3, and 4 (immediate-early 1 [IE1]). The expected IE72 and IE19 mRNAs were detected, as well as ...

journal_title：Journal of virology

authors： Awasthi S,Isler JA,Alwine JC

更新日期：2004-08-01 00:00:00

abstract：UNLABELLED:In contrast to many viruses, human cytomegalovirus (HCMV) is unable to productively infect most cancer-derived cell lines. The mechanisms of this restriction are unclear. To explore this issue, we tested whether defined oncogenic alleles, including the simian virus 40 (SV40) T antigen (TAg) and oncogenic H-R...

journal_title：Journal of virology

authors： Xu S,Schafer X,Munger J

更新日期：2016-04-14 00:00:00

abstract：:Enzymatic markers and electron microscopy were utilized to determine the cellular origin of the membrane types isolated from type 2 dengue virus-infected BHK cells by discontinuous sucrose gradient centrifugation. The results showed an apparent separation of plasma membrane, smooth and rough endoplasmic reticulum with...

journal_title：Journal of virology

authors： Stohlman SA,Wisseman CL Jr,Eylar OR,Silverman DJ

更新日期：1975-10-01 00:00:00

abstract：:In cytomegalovirus-infected cells, the rate of protein synthesis was detected as two peaks. One occurred during the early phase of infection, 0 to 36 h postinfection, and the other occurred during the late phase, after the initiation of viral DNA synthesis. Double-isotopic-label difference analysis demonstrated that h...

journal_title：Journal of virology

authors： Stinski MF

更新日期：1977-09-01 00:00:00

abstract：:Herpes simplex virus virions contain one or more functions which mediate shutoff of host protein synthesis, disaggregation of host polyribosomes, and degradation of host mRNA. We studied aspects of the host shutoff mechanism by using herpes simplex virus type 1 mutants deficient in virion-induced shutoff of host prote...

journal_title：Journal of virology

authors： Strom T,Frenkel N

更新日期：1987-07-01 00:00:00

abstract：:The human T-cell leukemia virus type 1 Tax protein activates the expression of cellular immediate early genes controlled by the serum response element (SRE), which contains both the serum response factor (SRF) binding element (CArG box) and the ternary complex factor (TCF) binding element (Ets box). We show that TCF b...

journal_title：Journal of virology

authors： Shuh M,Derse D

更新日期：2000-12-01 00:00:00

abstract：:Alternative splicing of the human immunodeficiency virus type 1 (HIV-1) genomic mRNA produces more than 40 unique viral mRNA species, of which more than half remain incompletely spliced within an HIV-1-infected cell. Regulation of splicing at HIV-1 3' splice sites (3'ss) requires suboptimal polypyrimidine tracts, and ...

journal_title：Journal of virology

authors： Madsen JM,Stoltzfus CM

更新日期：2005-08-01 00:00:00

abstract：:Individuals infected with the human immunodeficiency virus (HIV) experience a marked loss of CD4+ T lymphocytes, leading to fatal immunodeficiency. The mechanisms causing the depletion of these cells are not yet understood. In this study, we observed that CD4+ T lymphocytes from HIV type 1 (HIV-1)-infected and uninfec...

journal_title：Journal of virology

authors： Heinkelein M,Sopper S,Jassoy C

更新日期：1995-11-01 00:00:00

abstract：UNLABELLED:Marek's disease virus (MDV), an alphaherpesvirus, is the causative agent of a lethal disease in chickens characterized by generalized nerve inflammation and rapid lymphoma development. The extensive colinearity of the MDV genome with those of related herpesviruses has eased functional characterization of man...

journal_title：Journal of virology

authors： Schippers T,Jarosinski K,Osterrieder N

更新日期：2015-01-15 00:00:00

abstract：:It has been shown previously in the severe acute respiratory syndrome coronavirus (SARS-CoV) that two point mutations, N15A and V25F, in the transmembrane domain (TMD) of the envelope (E) protein abolished channel activity and led to in vivo attenuation. Pathogenicity was recovered in mutants that also regained E prot...

journal_title：Journal of virology

authors： To J,Surya W,Fung TS,Li Y,Verdià-Bàguena C,Queralt-Martin M,Aguilella VM,Liu DX,Torres J

更新日期：2017-02-14 00:00:00

abstract：:Adenoviral RNA sequences synthesized in nuclei isolated during the late phase of productive infection comprise, besides virus-associated, VA, RNA, five major species, ranging in size from approximately 13S to 55S. The latter RNA species is of the length predicted if the major transcriptional unit expressed during the ...

journal_title：Journal of virology

authors： Yang VW,Flint SJ

更新日期：1979-11-01 00:00:00

abstract：UNLABELLED:Virions vary in size by at least 4 orders of magnitude, yet the evolutionary forces responsible for this enormous diversity are unknown. We document a significant allometric relationship, with an exponent of approximately 1.5, between the genome length and virion volume of viruses and find that this relation...

journal_title：Journal of virology

authors： Cui J,Schlub TE,Holmes EC

更新日期：2014-06-01 00:00:00

abstract：:We investigated how the broadly neutralizing monoclonal antibody 2F5 affects the human immunodeficiency virus type 1 envelope glycoprotein as it undergoes receptor-induced conformational changes and show that 2F5 binds both native and fusion-intermediate conformations, suggesting inhibition of a late step in virus ent...

journal_title：Journal of virology

authors： de Rosny E,Vassell R,Jiang S,Kunert R,Weiss CD

更新日期：2004-03-01 00:00:00

abstract：:Mason-Pfizer monkey virus 60-70S RNA has a molecular weight of 8 times 10-6 when analyzed on polyacrylamide gels. Dissociation of 60-70S RNA of Mason-Pfizer monkey virus and murine leukemia virus by heat or formamide (40%) resulted in conversion to identical subunit structures of 2.8 times 10-6 daltons; treatment with...

journal_title：Journal of virology

authors： Schochetman G,Schlom J

更新日期：1975-02-01 00:00:00

abstract：:Profound alterations in host cell nuclear architecture accompany the lytic phase of Epstein-Barr virus (EBV) infection. Viral replication compartments assemble, host chromatin marginalizes to the nuclear periphery, cytoplasmic poly(A)-binding protein translocates to the nucleus, and polyadenylated mRNAs are sequestere...

journal_title：Journal of virology

authors： Park R,Miller G

更新日期：2018-09-26 00:00:00

abstract：:Monoclonal antibody-resistant mutants have been widely used to estimate virus mutation frequencies. We demonstrate that standard virion neutralization inevitably underestimates monoclonal antibody-resistant mutant genome frequencies of vesicular stomatitis virus, due to phenotypic masking-mixing when wild-type (wt) vi...

journal_title：Journal of virology

authors： Holland JJ,de la Torre JC,Steinhauer DA,Clarke D,Duarte E,Domingo E

更新日期：1989-12-01 00:00:00

abstract：:The inhibition of protein synthesis by cycloheximide markedly stimulated adenovirus 2 early transcription (assayed in vivo and in vitro in nuclei) when the drug was added 3 h after infection of HeLa cells. The stimulation was not uniform but ranged from three- to eightfold for region 1A to 10- to 30-fold for region 2 ...

journal_title：Journal of virology

authors： Cross FR,Darnell JE Jr

更新日期：1983-02-01 00:00:00

abstract：:Mature nonstructural protein-15 (nsp15) from the severe acute respiratory syndrome coronavirus (SARS-CoV) contains a novel uridylate-specific Mn2+-dependent endoribonuclease (NendoU). Structure studies of the full-length form of the obligate hexameric enzyme from two CoVs, SARS-CoV and murine hepatitis virus, and its ...

journal_title：Journal of virology

authors： Joseph JS,Saikatendu KS,Subramanian V,Neuman BW,Buchmeier MJ,Stevens RC,Kuhn P

更新日期：2007-06-01 00:00:00

abstract：:The first morphological evidence of African swine fever virus (ASFV) assembly is the appearance of precursor viral membranes, thought to derive from the endoplasmic reticulum, within the assembly sites. We have shown previously that protein p54, a viral structural integral membrane protein, is essential for the genera...

journal_title：Journal of virology

authors： Suárez C,Gutiérrez-Berzal J,Andrés G,Salas ML,Rodríguez JM

更新日期：2010-08-01 00:00:00

abstract：:The fusion (F) protein of simian virus 5 (strain W3A) induced extensive cell fusion in BHK cells when expressed alone, while that of strain WR did not. Mutational analysis demonstrated that the fusing activity can be transferred to the WR F protein by a proline residue at position 22 of subunit W3A F2. ...

journal_title：Journal of virology

authors： Ito M,Nishio M,Kawano M,Kusagawa S,Komada H,Ito Y,Tsurudome M

更新日期：1997-12-01 00:00:00

abstract：:Glycoprotein B (gB) is a conserved herpesvirus virion component implicated in membrane fusion. As with many-but not all-herpesviruses, the gB of murid herpesvirus 4 (MuHV-4) is cleaved into disulfide-linked subunits, apparently by furin. Preventing gB cleavage for some herpesviruses causes minor infection deficits in ...

journal_title：Journal of virology

authors： Glauser DL,Milho R,Frederico B,May JS,Kratz AS,Gillet L,Stevenson PG

更新日期：2013-10-01 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus (KSHV) latency-associated nuclear antigen (LANA) is a 1,162-amino-acid protein that mediates episome persistence of viral genomes. LANA binds the KSHV terminal-repeat (TR) sequence through its carboxy-terminal domain to mediate DNA replication. LANA simultaneously binds mitotic ...

journal_title：Journal of virology

authors： Juillard F,De León Vázquez E,Tan M,Li S,Kaye KM

更新日期：2019-03-05 00:00:00

abstract：:A human cytomegalovirus (CMV) UL54 pol exonuclease domain II mutation, D413A, found in a clinical specimen, conferred ganciclovir (GCV) and cidofovir resistance but not foscarnet resistance when incorporated into laboratory strain T2294. After several passages without drug, mutation was observed in five of eight plaqu...

journal_title：Journal of virology

authors： Chou S,Marousek GI

更新日期：2008-01-01 00:00:00

abstract：:Fluorescent retroviral envelope (Env) proteins were developed for direct visualization of viral particles. By fusing the enhanced green fluorescent protein (eGFP) to the N terminus of the amphotropic 4070A envelope protein, extracellular presentation of eGFP was achieved. Viruses incorporated the modified Env protein ...

journal_title：Journal of virology

authors： Spitzer D,Dittmar KE,Rohde M,Hauser H,Wirth D

更新日期：2003-05-01 00:00:00

abstract：:Adenovirus E1B 55K protein cooperates with E1A gene products to induce cell transformation. E1B 55K mediates its effects by binding to and inhibiting the transcriptional activation and growth-suppression functions of the tumor suppressor p53. Previous studies in vivo have suggested that E1B 55K has an active role in r...

journal_title：Journal of virology

authors： Martin ME,Berk AJ

更新日期：1998-04-01 00:00:00

abstract：:A molecular clone of mouse-neuroadapted yellow fever 17D virus (SPYF-MN) was used to identify critical determinants of viral neuroinvasiveness in a SCID mouse model. Virus derived from this clone differs from nonneuroinvasive YF5.2iv virus at 29 nucleotide positions, encoding 13 predicted amino acid substitutions and ...

journal_title：Journal of virology

authors： Nickells M,Chambers TJ

更新日期：2003-11-01 00:00:00

abstract：:The cellular transcription factors Sp1 and NF-kappaB were upregulated shortly after the binding of purified live or UV-inactivated human cytomegalovirus (HCMV) to the cell surface. The rapid time frame of transcription factor induction is similar to that seen in other systems in which cellular factors are induced foll...

journal_title：Journal of virology

authors： Yurochko AD,Hwang ES,Rasmussen L,Keay S,Pereira L,Huang ES

更新日期：1997-07-01 00:00:00

abstract：:Measles virus has two glycoproteins. The larger glycoprotein (HA) is composed of 76,000-dalton subunits that are bound by disulfide bonds. The smaller glycoprotein (F) appears to contain a glucosamine-rich portion that is linked to an unglycosylated protein by disulfide bonds. ...

journal_title：Journal of virology

authors： Hardwick JM,Bussell RH

更新日期：1978-02-01 00:00:00

abstract：:Entry of the budded virus form of baculoviruses into insect and mammalian cells is generally thought to occur through a low-pH-dependent endocytosis pathway, possibly through clathrin-coated pits. This insight is primarily based on (immuno)electron microscopy studies but requires biochemical support to exclude the use...

journal_title：Journal of virology

authors： Long G,Pan X,Kormelink R,Vlak JM

更新日期：2006-09-01 00:00:00