Intracellular transport and leukemogenicity of spleen focus-forming virus envelope glycoproteins with altered transmembrane domains.

abstract：:Three defense functions of immunoglobulin A (IgA), immune exclusion, intracellular neutralization, and virus excretion, were assessed in a measles virus model using polarized epithelial cells expressing the polymeric immunoglobulin receptor and monoclonal antibodies against the viral H and F envelope proteins and the ...

journal_title：Journal of virology

authors： Yan H,Lamm ME,Björling E,Huang YT

更新日期：2002-11-01 00:00:00

abstract：UNLABELLED:Testudinid herpesvirus 3 (TeHV-3) is the causative agent of a lethal disease affecting several tortoise species. The threat that this virus poses to endangered animals is focusing efforts on characterizing its properties, in order to enable the development of prophylactic methods. We have sequenced the genom...

journal_title：Journal of virology

authors： Gandar F,Wilkie GS,Gatherer D,Kerr K,Marlier D,Diez M,Marschang RE,Mast J,Dewals BG,Davison AJ,Vanderplasschen AF

更新日期：2015-11-01 00:00:00

abstract：:Epstein-Barr virus (EBV) is a herpesvirus that infects cells by fusing its lipid envelope with the target cell membrane. The fusion process requires the actions of viral glycoproteins gH, gL, and gB for entry into epithelial cells and additionally requires gp42 for entry into B cells. To further study the roles of the...

journal_title：Journal of virology

authors： Kirschner AN,Omerovic J,Popov B,Longnecker R,Jardetzky TS

更新日期：2006-10-01 00:00:00

abstract：:Herpes simplex virus 2 (HSV-2) infection is still one of the common causes of sexually transmitted diseases worldwide. The prevalence of HSV strains resistant to traditional nucleoside antiviral agents has led to the development of novel antiviral drugs. Human alpha-defensin 5 (HD5), a kind of endogenous antimicrobial...

journal_title：Journal of virology

authors： Wang A,Chen F,Wang Y,Shen M,Xu Y,Hu J,Wang S,Geng F,Wang C,Ran X,Su Y,Cheng T,Wang J

更新日期：2013-03-01 00:00:00

abstract：:Bovine herpesvirus 1 (BHV-1) specifies and unspliced early 2.6-kb RNA (ER2.6) which is 3' coterminal with exon 2 of the 2.9-kb immediate-early (IE) RNA. The two transcripts have a common open reading frame (676 codons). The predicted protein, designated BHV-1 infected cell protein 0 (BICP0), contains a zinc finger dom...

journal_title：Journal of virology

authors： Fraefel C,Zeng J,Choffat Y,Engels M,Schwyzer M,Ackermann M

更新日期：1994-05-01 00:00:00

abstract：:Previous studies have suggested that the U(L)17 gene of herpes simplex virus type 1 (HSV-1) is essential for virus replication. In this study, viral mutants incorporating either a lacZ expression cassette in place of 1,490 bp of the 2,109-bp U(L)17 open reading frame [HSV-1(deltaU(L)17)] or a DNA oligomer containing a...

journal_title：Journal of virology

authors： Salmon B,Cunningham C,Davison AJ,Harris WJ,Baines JD

更新日期：1998-05-01 00:00:00

abstract：:Open reading frame (ORF) E4 is a 353-base-pair ORF of bovine papillomavirus type 1. To determine the biological activities of this ORF in mouse C127 cells, we analyzed the effects of two constructed mutations which are predicted to prevent synthesis of ORF E4 proteins while leaving the amino acid sequence encoded by t...

journal_title：Journal of virology

authors： Neary K,Horwitz BH,DiMaio D

更新日期：1987-04-01 00:00:00

abstract：UNLABELLED:The majority of currently circulating influenza A(H1N1) viruses are antigenically similar to the virus that caused the 2009 influenza pandemic. However, antigenic variants are expected to emerge as population immunity increases. Amino acid substitutions in the hemagglutinin protein can result in escape from ...

journal_title：Journal of virology

authors： Koel BF,Mögling R,Chutinimitkul S,Fraaij PL,Burke DF,van der Vliet S,de Wit E,Bestebroer TM,Rimmelzwaan GF,Osterhaus AD,Smith DJ,Fouchier RA,de Graaf M

更新日期：2015-04-01 00:00:00

abstract：:A general theme that has emerged from studies of DNA tumor viruses is that otherwise unrelated oncoproteins encoded by these viruses often target the same important cellular factors. Major oncogenic determinants for human adenovirus type 9 (Ad9) and high-risk human papillomaviruses (HPV) are the E4-ORF1 and E6 oncopro...

journal_title：Journal of virology

authors： Lee SS,Glaunsinger B,Mantovani F,Banks L,Javier RT

更新日期：2000-10-01 00:00:00

abstract：:All human influenza pandemics have originated from avian influenza viruses. Although multiple changes are needed for an avian virus to be able to transmit between humans, binding to human-type receptors is essential. Several research groups have reported mutations in H5N1 viruses that exhibit specificity for human-typ...

journal_title：Journal of virology

authors： Peng W,Bouwman KM,McBride R,Grant OC,Woods RJ,Verheije MH,Paulson JC,de Vries RP

更新日期：2018-04-27 00:00:00

abstract：:Glycoproteins homologous to glycoprotein B (gB) of herpes simplex virus constitute the most highly conserved group of herpesvirus glycoproteins. This strong conservation of amino acid sequences might be indicative of a common functional role. Indeed, gB homologs have been implicated in the processes of viral entry and...

journal_title：Journal of virology

authors： Kopp A,Mettenleiter TC

更新日期：1992-05-01 00:00:00

abstract：:Bovine papillomavirus type 1 replication was previously shown to require both the E1 initiator protein and the E2 transactivator protein. We show here that E1, in the absence of E2, is sufficient for low-level bovine papillomavirus type 1 DNA replication in C-33A cells. In addition, studies of genetically isolated E2 ...

journal_title：Journal of virology

authors： Grossel MJ,Sverdrup F,Breiding DE,Androphy EJ

更新日期：1996-10-01 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：:Several domains of CD4 have been suggested to play a critical role in events that follow its binding to the human immunodeficiency virus type 1 (HIV-1) envelope glycoprotein (gp120-gp41). It has been reported previously that cells expressing a chimeric molecule consisting of the first 177 residues of human CD4 attache...

journal_title：Journal of virology

authors： Golding H,Blumenthal R,Manischewitz J,Littman DR,Dimitrov DS

更新日期：1993-11-01 00:00:00

abstract：:This study identifies memory cytotoxic T lymphocyte (CTL) epitopes to respiratory syncytial virus (RSV) in healthy South African adults and demonstrates the conservation of those epitopes in circulating field strains of RSV in South Africa. Thirty-seven healthy adults from a population with diverse HLA backgrounds wer...

journal_title：Journal of virology

authors： Venter M,Rock M,Puren AJ,Tiemessen CT,Crowe JE Jr

更新日期：2003-07-01 00:00:00

abstract：:Herpes simplex virus 1 (HSV-1) capsids leave the nucleus by a process of envelopment and de-envelopment at the nuclear envelope (NE) that is accompanied by structural alterations of the NE. As capsids translocate across the NE, transient primary enveloped virions form in the perinuclear space. Here, we provide evidenc...

journal_title：Journal of virology

authors： Maric M,Shao J,Ryan RJ,Wong CS,Gonzalez-Alegre P,Roller RJ

更新日期：2011-10-01 00:00:00

abstract：:Paramyxoviruses initiate entry through the concerted action of the tetrameric attachment glycoprotein (HN, H, or G) and the trimeric fusion glycoprotein (F). The ectodomains of HN/H/G contain a stalk region important for oligomeric stability and for the F triggering resulting in membrane fusion. Paramyxovirus HN, H, a...

journal_title：Journal of virology

authors： Maar D,Harmon B,Chu D,Schulz B,Aguilar HC,Lee B,Negrete OA

更新日期：2012-06-01 00:00:00

abstract：:Sindbis virus nonstructural polyproteins and their cleavage products are believed to be essential components of viral RNA replication and transcription complexes. Although numerous studies have investigated the effect of mutations in nsP1-, nsP2-, and nsP4-coding regions on Sindbis virus-specific RNA synthesis, relati...

journal_title：Journal of virology

authors： LaStarza MW,Lemm JA,Rice CM

更新日期：1994-09-01 00:00:00

abstract：:Gammaherpesviruses are ubiquitous pathogens that establish lifelong infections and are associated with a variety of malignancies, including lymphomas. Interferon regulatory factor 7 (IRF-7) is an innate immune transcription factor that restricts acute replication of diverse viruses, including murine gammaherpesvirus 6...

journal_title：Journal of virology

authors： Johnson KE,Aurubin CA,Jondle CN,Lange PT,Tarakanova VL

更新日期：2020-11-23 00:00:00

abstract：:To analyze intrauterine transmission, MT-2 cells, a human T-cell line producing human T-cell leukemia virus type I (HTLV-I), were injected into eight pregnant F344 rats, and cesarean section was performed at day 23 of pregnancy. HTLV-I provirus was detected by PCR in the liver and spleen taken from one of the eight fe...

journal_title：Journal of virology

authors： Hori M,Ami Y,Kushida S,Kobayashi M,Uchida K,Abe T,Miwa M

更新日期：1995-02-01 00:00:00

abstract：:Infection of cells with enveloped viruses is accomplished through membrane fusion. The binding and fusion processes are mediated by the spike proteins in the envelope of the virus particle and usually involve a series of conformational changes in these proteins. We have studied the low-pH-mediated fusion process of th...

journal_title：Journal of virology

authors： Wahlberg JM,Bron R,Wilschut J,Garoff H

更新日期：1992-12-01 00:00:00

abstract：:MicroRNAs (miRNAs) have emerged as key regulators in many biological processes, from development to defense, at almost all organismal levels. Recently, their role has been highlighted in pathogen-host interactions. Emerging evidence from a variety of virus-host systems indicates that cellular as well as virally encode...

journal_title：Journal of virology

authors： Hussain M,Asgari S

更新日期：2010-01-01 00:00:00

abstract：:Arginine methylation of human immunodeficiency virus type 1 (HIV-1) Tat protein downregulates its key function in viral-gene transactivation. The fate of methylated Tat is unknown, so it is unclear whether methylated Tat is degraded or persists in the cell for additional functions. Here we show that the arginine methy...

journal_title：Journal of virology

authors： Sivakumaran H,van der Horst A,Fulcher AJ,Apolloni A,Lin MH,Jans DA,Harrich D

更新日期：2009-11-01 00:00:00

abstract：:Respiratory syncytial virus (RSV) G protein deletion mutants replicate effectively in vitro but have not been detected in nature. Subtyping of RSV strains in hospitalized children in South Africa identified G protein PCR amplicons significantly reduced in size in 2 out of 209 clinical specimens screened over 4 years. ...

journal_title：Journal of virology

authors： Venter M,van Niekerk S,Rakgantso A,Bent N

更新日期：2011-08-01 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：:We have investigated the mechanism of duck hepatitis B virus (DHBV) entry into susceptible primary duck hepatocytes (PDHs), using mutants of carboxypeptidase D (gp180), a transmembrane protein shown to act as the primary cellular receptor for avian hepatitis B virus uptake. The variant proteins were abundantly produce...

journal_title：Journal of virology

authors： Breiner KM,Schaller H

更新日期：2000-03-01 00:00:00

abstract：:Affinity-purified medium T antigen encoded by NG59, a nontransforming mutant of polyomavirus, is specifically associated with a protein of 72,000 daltons (72K protein). Medium T antigens of wild-type polyomavirus and the transformation-competent mutant dl8 are not associated with the 72K protein. Instead, they form a ...

journal_title：Journal of virology

authors： Walter G,Carbone A,Welch WJ

更新日期：1987-02-01 00:00:00

abstract：UNLABELLED:SSV-type integrases, encoded by fuselloviruses which infect the hyperthermophilic archaea of the Sulfolobales, are archaeal members of the tyrosine recombinase family. These integrases catalyze viral integration into and excision from a specific site on the host genome. In the present study, we have establis...

journal_title：Journal of virology

authors： Zhan Z,Zhou J,Huang L

更新日期：2015-11-01 00:00:00

abstract：:Koala retrovirus (KoRV) is of an interest to virologists due to its currently active endogenization into the koala (Phascolarctos cinereus) genome. Although KoRV has frequently been isolated in wild and captive koala populations, its pathogenesis and transmission remain to be fully characterized, and most previous res...

journal_title：Journal of virology

authors： Hashem MA,Maetani F,Kayesh MEH,Eiei T,Mochizuki K,Ito A,Sakurai H,Asai T,Tsukiyama-Kohara K

更新日期：2020-05-18 00:00:00

abstract：:The entry of enveloped viruses into cells is normally mediated by fusion between viral and cellular membranes, in which the fusion peptide plays a crucial role. The fusion peptides of group II nucleopolyhedrovirus (NPV) F proteins are quite conserved, with a hydrophobic region located at the N terminal of the F(1) fra...

journal_title：Journal of virology

authors： Tan Y,Jiang L,Wang M,Yin F,Deng F,Liu M,Hu Z,Wang H

更新日期：2008-08-01 00:00:00