Second-site reversion of a human immunodeficiency virus type 1 reverse transcriptase mutant that restores enzyme function and replication capacity.

abstract：:Mice that express the viral oncoprotein simian virus 40 (SV40) large T antigen (T-Ag) as a transgene provide useful models for the assessment of the state of the host immune response in the face of spontaneous tumor progression. Line SV11 (H2(b)) mice develop rapidly progressing choroid plexus tumors due to expression...

journal_title：Journal of virology

authors： Schell TD

更新日期：2004-02-01 00:00:00

abstract：:Glycoprotein D (gD) of herpes simplex virus type 1 (HSV-1) was modified to encode targeting signals known to localize proteins to either the endoplasmic reticulum (ER) or the trans-Golgi network. These motifs conferred the predicted targeting properties on gD in transfected cells as judged by immunofluorescence staini...

journal_title：Journal of virology

authors： Whiteley A,Bruun B,Minson T,Browne H

更新日期：1999-11-01 00:00:00

abstract：:Porcine reproductive and respiratory syndrome virus (PRRSV) infects alveolar macrophages (AMϕ), causing dysregulated alpha interferon (IFN-α) and tumor necrosis factor alpha (TNF-α) production through a mechanism(s) yet to be resolved. Here, we show that AMϕ infected with PRRSV secreted a reduced quantity of IFN-α fol...

journal_title：Journal of virology

authors： Chen WY,Schniztlein WM,Calzada-Nova G,Zuckermann FA

更新日期：2018-01-02 00:00:00

abstract：:In various positive-sense single-stranded RNA viruses, a low-fidelity viral RNA-dependent RNA polymerase (RdRp) confers attenuated phenotypes by increasing the mutation frequency. We report a negative-sense single-stranded RNA virus RdRp mutant strain with a mutator phenotype. Based on structural data of RdRp, rationa...

journal_title：Journal of virology

authors： Naito T,Shirai K,Mori K,Muratsu H,Ushirogawa H,Ohniwa RL,Hanada K,Saito M

更新日期：2019-10-29 00:00:00

abstract：:Integrated retroviruses or retroviral vectors may be transcriptionally inactive although their promoter-enhancer regions are able to direct transcription in the host cell. We have used single-gene retroviral vectors with a long terminal repeat-directed neo marker gene to determine if the level of transcription relates...

journal_title：Journal of virology

authors： Duch M,Paludan K,Jørgensen P,Pedersen FS

更新日期：1994-09-01 00:00:00

abstract：:Mucosal surfaces are the primary portals for human immunodeficiency virus (HIV) transmission. Because systemic immunization, in general, does not induce effective mucosal immune responses, a mucosal HIV vaccine is urgently needed. For this study, we developed papillomavirus pseudoviruses that express HIV-1 Gag. The ps...

journal_title：Journal of virology

authors： Zhang H,Fayad R,Wang X,Quinn D,Qiao L

更新日期：2004-10-01 00:00:00

abstract：:ICP4 is a herpesvirus-encoded protein that is expressed during the immediate-early phase of productive infection and is required for efficient transcription of viral genes during the early and late phases of infection. Previous studies have shown that ICP4 is a component of specific protein-DNA complexes but have not ...

journal_title：Journal of virology

authors： Kattar-Cooley P,Wilcox KW

更新日期：1989-02-01 00:00:00

abstract：:Echovirus 1 (EV1) is a human pathogen which belongs to the Picornaviridae family of RNA viruses. We have analyzed the early events of infection after EV1 binding to its receptor alpha 2 beta 1 integrin and elucidated the route by which EV1 gains access to the host cell. EV1 binding onto the cell surface and subsequent...

journal_title：Journal of virology

authors： Marjomäki V,Pietiäinen V,Matilainen H,Upla P,Ivaska J,Nissinen L,Reunanen H,Huttunen P,Hyypiä T,Heino J

更新日期：2002-02-01 00:00:00

abstract：:The NS3 protein of hepatitis C virus (HCV) possesses protease activity responsible for the proteolytic cleavage of the viral polyprotein at the junctions of nonstructural proteins downstream of NS3. The NS3 protein was also found to be internally cleaved. In this study, we demonstrated that internal cleavages occurred...

journal_title：Journal of virology

authors： Kou YH,Chang MF,Wang YM,Hung TM,Chang SC

更新日期：2007-08-01 00:00:00

abstract：:RNA viruses within a host exist as dynamic distributions of closely related mutants and recombinant genomes. These closely related mutants and recombinant genomes, which are subjected to a continuous process of genetic variation, competition, and selection, act as a unit of selection, termed viral quasispecies. Charac...

journal_title：Journal of virology

authors： Lozano G,Grande-Pérez A,Navas-Castillo J

更新日期：2009-12-01 00:00:00

abstract：:Polyclonal and monoclonal antibodies to individual herpes simplex virus (HSV) glycoproteins were tested for ability to inhibit adsorption of radiolabeled HSV type 1 (HSV-1) strain HFEMsyn [HSV-1(HFEM)syn] to HEp-2 cell monolayers. Polyclonal rabbit antibodies specific for glycoprotein D (gD) or gC and three monoclonal...

journal_title：Journal of virology

authors： Fuller AO,Spear PG

更新日期：1985-08-01 00:00:00

abstract：:Human papillomaviruses (HPVs) are small DNA tumor viruses that are the causative agent of warts and are associated with many anogenital cancers. The viral gene encoding the E6 protein has been found to be involved in HPV oncogenesis. E6 is known to inactivate the cellular tumor suppressor, p53. In addition, E6 has bee...

journal_title：Journal of virology

authors： Nguyen M,Song S,Liem A,Androphy E,Liu Y,Lambert PF

更新日期：2002-12-01 00:00:00

abstract：:The wild-type strain of vesicular stomatitis virus (VSV) contains in its complete virion (VSV-1, B particles) a minus strand RNA. The principle defective particle of the wild-type strain (VSV-111, T particles) contains a shorter minus strand, homologous to part of the VSV-1 genome. Neither virion contains any detectab...

journal_title：Journal of virology

authors： Roy P,Repik P,Hefti E,Bishop DH

更新日期：1973-06-01 00:00:00

abstract：:Protein kinase activity in general is stimulated at least 5- to 10-fold in ribosomal salt wash preparations from poliovirus-infected HeLa cells compared with those from mock-infected cells. The stimulation of kinase activity is manifested by increased phosphorylation of ribosome-associated polypeptides having approxim...

journal_title：Journal of virology

authors： Ransone LJ,Dasgupta A

更新日期：1987-06-01 00:00:00

abstract：:Envelope glycoprotein E(rns) of classical swine fever virus (CSFV) has been shown to contain RNase activity and is involved in virus infection. Two short regions of amino acids in the sequence of E(rns) are responsible for RNase activity. In both regions, histidine residues appear to be essential for catalysis. They w...

journal_title：Journal of virology

authors： Hulst MM,Panoto FE,Hoekman A,van Gennip HG,Moormann RJ

更新日期：1998-01-01 00:00:00

abstract：:Previous studies showed that the amino-terminal domain of Rous sarcoma virus p60v-src involved in myristylation and membrane association of the protein is required for morphological transformation and anchorage independence. Analysis of src delection mutants revealed that the amino-terminal one-third of p60v-src, incl...

journal_title：Journal of virology

authors： Calothy G,Laugier D,Cross FR,Jove R,Hanafusa T,Hanafusa H

更新日期：1987-05-01 00:00:00

abstract：:Tryptic digests of the internal proteins p30, p15, p12, and p10 of mouse xenotropic, ecotropic, and amphotropic type C viruses were subjected to cation-exchange chromatography. Analysis of these maps revealed that the p30 proteins from representative isolates of all three viral subgroups were distinguishable. The p15 ...

journal_title：Journal of virology

authors： Albino A,Korngold L,Mellors RC

更新日期：1979-01-01 00:00:00

abstract：:Mus dunni endogenous virus (MDEV) is activated from cells of the Asian wild mouse M. dunni (also known as Mus terricolor) in response to treatment with either 5-iodo-2'-deoxyuridine or hydrocortisone. MDEV represents a new murine retrovirus interference group and thus appears to use a different receptor for entry into...

journal_title：Journal of virology

authors： Bonham L,Wolgamot G,Miller AD

更新日期：1997-06-01 00:00:00

abstract：:A/chicken/FJ/G9/09 (FJ/G9) is an H9N2 subtype avian influenza virus (H9N2 AIV) strain causing high morbidity that was isolated from broilers in Fujian Province of China in 2009. FJ/G9 has been used as the vaccine strain against H9N2 AIV infection in Fujian Province of China. Here, we report the complete genome sequenc...

journal_title：Journal of virology

authors： Xie Q,Yan Z,Ji J,Zhang H,Liu J,Sun Y,Li G,Chen F,Xue C,Ma J,Bee Y

更新日期：2012-09-01 00:00:00

abstract：:The involvement of mouse mammary tumor virus (MTV) in the development of mammary tumors of nonviral etiology in BALB/c mice was studied by measuring the levels of MTV RNA, MTV DNA, and MTV proteins in spontaneously arising and hormonally, chemically, and/or physically induced mammary tumors of BALB/c females. The foll...

journal_title：Journal of virology

authors： Michalides R,van Deemter L,Nusse R,Hageman P

更新日期：1979-07-01 00:00:00

abstract：:The bovine papillomavirus E5 gene encodes a 44-amino-acid, homodimeric transmembrane protein that is the smallest known transforming protein. The E5 protein transforms cultured fibroblasts by forming a stable complex with the endogenous platelet-derived growth factor (PDGF) beta receptor through transmembrane and juxt...

journal_title：Journal of virology

authors： Klein O,Kegler-Ebo D,Su J,Smith S,DiMaio D

更新日期：1999-04-01 00:00:00

abstract：:The expression and predicted products of rat c-ros-1 gene, the proto-oncogene of v-ros in UR2 sarcoma virus, were characterized. The c-ros-1 gene was found to be expressed in a tissue-specific manner, and the sizes of its transcripts were heterogeneous: 8.2 kilobases (kb) long in lung and kidney tissues, 6.9 kb in hea...

journal_title：Journal of virology

authors： Matsushime H,Shibuya M

更新日期：1990-05-01 00:00:00

abstract：:The recent identification of coreceptors that mediate efficient entry of human immunodeficiency virus type 1 (HIV-1) suggests new therapeutic and preventive strategies. We analyzed simian immunodeficiency virus (SIV) entry cofactors to investigate whether the macaque SIV model can be used as an experimental model to e...

journal_title：Journal of virology

authors： Kirchhoff F,Pöhlmann S,Hamacher M,Means RE,Kraus T,Uberla K,Di Marzio P

更新日期：1997-09-01 00:00:00

abstract：:The adenovirus E1A transforming region, which encodes immortalization, partial cell transformation, and gene activation functions, expresses two early mRNAs, 13S and 12S. Multiple-T antigen species with different electrophoretic mobilities are formed from each mRNA, presumably by unknown posttranslational modification...

journal_title：Journal of virology

authors： Lucher LA,Brackmann KH,Symington JS,Green M

更新日期：1986-05-01 00:00:00

abstract：:We compared the proteins which associate with middle T antigen (MT) of polyomavirus in human cells infected with Ad5(pymT), a recombinant adenovirus which directs the overexpression of MT, with the MT-associated proteins (MTAPs) previously identified in murine fibroblasts expressing MT. MTAPs of 27, 29, 36, and 63 kil...

journal_title：Journal of virology

authors： Pallas DC,Morgan W,Roberts TM

更新日期：1989-11-01 00:00:00

abstract：:The complete genome sequences of the human coronavirus OC43 (HCoV-OC43) laboratory strain from the American Type Culture Collection (ATCC), and a HCoV-OC43 clinical isolate, designated Paris, were obtained. Both genomes are 30,713 nucleotides long, excluding the poly(A) tail, and only differ by 6 nucleotides. These si...

journal_title：Journal of virology

authors： St-Jean JR,Jacomy H,Desforges M,Vabret A,Freymuth F,Talbot PJ

更新日期：2004-08-01 00:00:00

abstract：:Epstein-Barr virus (EBV) is a human herpesvirus capable of establishing a latent state in B lymphocytes. EBV's BZLF1 gene product plays a central role in regulating the switch from latency to productive infection. Here, we identify a sequence element, 5'-CAGGTA-3', called ZV, located at nucleotides -17 to -12 relative...

journal_title：Journal of virology

authors： Kraus RJ,Mirocha SJ,Stephany HM,Puchalski JR,Mertz JE

更新日期：2001-01-01 00:00:00

abstract：:Type I interferons (IFNs), as major components of the innate immune system, play a vital role in host resistance to a variety of pathogens. Canonical signaling mediated by type I IFNs activates the Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway through binding to the IFN-α/β receptor ...

journal_title：Journal of virology

authors： Yuan H,You J,You H,Zheng C

更新日期：2018-09-12 00:00:00

abstract：:The human immunodeficiency virus type 1 (HIV-1) Tat protein, which is essential for HIV gene expression and viral replication, is known to mediate pleiotropic effects on various cell functions. For instance, Tat protein is able to regulate the rate of transcription of host cellular genes and to interact with the signa...

journal_title：Journal of virology

authors： Calzado MA,Sancho R,Muñoz E

更新日期：2004-07-01 00:00:00

abstract：:Infectious bursal disease virus (IBDV) is a nonenveloped virus with an icosahedral capsid composed of two proteins, VP2 and VP3, that derive from the processing of the polyprotein NH(2)-pVP2-VP4-VP3-COOH. The virion contains VP1, the viral polymerase, which is both free and covalently linked to the two double-stranded...

journal_title：Journal of virology

authors： Chevalier C,Lepault J,Da Costa B,Delmas B

更新日期：2004-04-01 00:00:00