Cowpea mosaic virus-based chimaeras. Effects of inserted peptides on the phenotype, host range, and transmissibility of the modified viruses.

abstract：:Open reading frames identified on the four genomic RNAs of beet necrotic yellow vein virus were cloned into bacterial expression vectors and resulting cl-fusion proteins expressed in Escherichia coli were used to raise polyclonal antibodies. This set of antisera was used to show the presence of 7 of 9 predicted viral ...

journal_title：Virology

authors： Niesbach-Klösgen U,Guilley H,Jonard G,Richards K

更新日期：1990-09-01 00:00:00

abstract：:Hepatitis C virus (HCV) core protein is a multifunctional protein interacting with cellular and viral proteins and promoters. A tetracycline-regulated system was used to generate a HepG2 Tet-Off cell line allowing regulated expression of a full-length (191 aa) and an N(c)-truncated core protein (160 aa). In this syste...

journal_title：Virology

authors： Erhardt A,Hassan M,Heintges T,Häussinger D

更新日期：2002-01-20 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) infection can be inhibited by small molecules that target the CCR5 coreceptor. Here, we describe some properties of clonal viruses resistant to one such inhibitor, SCH-D, using both chimeric, infectious molecular clones and Env-pseudotypes. Studies using combinations of CCR5...

journal_title：Virology

authors： Pugach P,Marozsan AJ,Ketas TJ,Landes EL,Moore JP,Kuhmann SE

更新日期：2007-04-25 00:00:00

abstract：:p53 is implicated in several cellular pathways such as induction of cell-cycle arrest, differentiation, senescence, and apoptosis. p53 is activated by a broad range of stress signals, including viral infections. While some viruses activate p53, others induce its inactivation, and occasionally p53 is differentially mod...

journal_title：Virology

authors： Trujillo-Uscanga A,Gutiérrez-Escolano AL

更新日期：2020-11-01 00:00:00

abstract：:An infectious and full-length molecular clone of genomic human spumaretrovirus (HSRV) DNA was constructed. The infectivity of the pHSRV13 clone was demonstrated after transfection into susceptible cells by passage of HSRV-specific cytopathic effects as a cell-free culture supernatant, by electron microscopy of HSRV pa...

journal_title：Virology

authors： Löchelt M,Zentgraf H,Flügel RM

更新日期：1991-09-01 00:00:00

abstract：:Pseudorabies virus (PRV) China reference strain Ea is genetically closely related to newly emerged variants; however, there is limited information about PRV Ea. Here, we compared PRV Ea with new variant strains by growth kinetics, genome sequencing, and protein expression analysis. Growth analysis showed that strain E...

journal_title：Virology

authors： Wang X,Wu CX,Song XR,Chen HC,Liu ZF

更新日期：2017-06-01 00:00:00

abstract：:The genes required for replication of the temperate bacteriophage P4, which are coded by the phage left operon, are expressed from a constitutive promoter (PLE). In the lysogenic state, repression of the P4 replication genes is achieved by premature transcription termination. The leader region of the left operon encod...

journal_title：Virology

authors： Briani F,Zangrossi S,Ghisotti D,Dehò G

更新日期：1996-09-01 00:00:00

abstract：:It was previously reported that integrins alpha2beta1, alpha4beta1, and alphaXbeta2 are involved in rotavirus cell infection. In this work we studied the role of integrin subunits alpha2, alpha4, and beta2 on the attachment of rotaviruses RRV and nar3 to MA104 cells. Integrin alpha2beta1 was found to serve as the bind...

journal_title：Virology

authors： Zárate S,Espinosa R,Romero P,Guerrero CA,Arias CF,López S

更新日期：2000-12-05 00:00:00

abstract：:Toscana (TOS) virus stocks strongly interfering with standard virus replication were obtained by sequential passages of virus in suckling mouse brain. Characterization of viral RNAs in these stocks showed the presence of a heterogeneous population of defective RNA molecules derived from the L genomic segment, in both ...

journal_title：Virology

authors： Marchi A,Nicoletti L,Accardi L,Di Bonito P,Giorgi C

更新日期：1998-06-20 00:00:00

abstract：:This report describes induction of HIV-1 resistance and synthesis of resistance factors in immortal CD4-positive T lymphocytes. SupT1 cells were infected by NL4-3 attenuated by a defect in the vif gene through coculture with infected primary lymphocytes. Cell lines from this infection, termed R1, expressed CD4 and CXC...

journal_title：Virology

authors： Simm M,Miller LS,Durkin HG,Allen M,Chao W,Lesner A,Potash MJ,Volsky DJ

更新日期：2002-03-01 00:00:00

abstract：:Norwalk virus (NV) is the prototype strain of a group of noncultivatable caliciviruses that infect humans and cause outbreaks of epidemic acute nonbacterial gastroenteritis. The NV virion is composed of 180 copies of a single structural protein that, when expressed in insect cells infected with a recombinant baculovir...

journal_title：Virology

authors： Hardy ME,Tanaka TN,Kitamoto N,White LJ,Ball JM,Jiang X,Estes MK

更新日期：1996-03-01 00:00:00

abstract：:Here we address the role of RIG-I and TLR3 in differential cytokine responses against Simian Virus 5 (SV5) and two distinct cytokine inducing SV5 mutants. IFN-beta and IL-6 secretion was induced by infection with P/V-CPI-, an SV5 mutant with P/V substitutions, and were reduced by either siRNA-mediated knockdown of RIG...

journal_title：Virology

authors： Manuse MJ,Parks GD

更新日期：2010-02-05 00:00:00

abstract：:Understanding the mechanism of HIV-1 latency is crucial to the viral reservoir eradication. Human cellular miRNAs can modulate HIV-1 expression by targeting of viral RNAs or host gene transcripts. To identify miRNAs modulating HIV-1 latency, we determined the miRNA expression profiles of HIV-1 latently infected and pr...

journal_title：Virology

authors： Wang P,Qu X,Zhou X,Shen Y,Ji H,Fu Z,Deng J,Lu P,Yu W,Lu H,Zhu H

更新日期：2015-12-01 00:00:00

abstract：:Measles virus (MV) inhibits lymphocyte function in patients, as well as in cells infected in vitro. The proliferation of phytohemagglutinin-stimulated T lymphocytes is suppressed by in vitro MV infection, as shown by the diminished incorporation of [3H]thymidine into DNA and the reduced frequency of cells in the S pha...

journal_title：Virology

authors： Yanagi Y,Cubitt BA,Oldstone MB

更新日期：1992-03-01 00:00:00

abstract：:Exosomes are membranous extracellular nanovesicles secreted by diverse cell types. Exosomes from healthy human semen have been shown to inhibit HIV-1 replication and to impair progeny virus infectivity. In this study, we examined the ability of healthy human semen exosomes to restrict HIV-1 and LP-BM5 murine AIDS viru...

journal_title：Virology

authors： Madison MN,Jones PH,Okeoma CM

更新日期：2015-08-01 00:00:00

abstract：:The binding of monoclonal antibodies to antigenic site 3 on the hemagglutinin-neuraminidase (HN) glycoprotein of Newcastle disease virus neutralizes viral infectivity and prevents syncytium formation by a mechanism other than the prevention of viral attachment. The virus can escape neutralization by these antibodies b...

journal_title：Virology

authors： Deng R,Wang Z,Glickman RL,Iorio RM

更新日期：1994-10-01 00:00:00

abstract：:The cellular protein Cyclophilin A (Cyp A) is packaged into human immunodeficiency virus type 1 (HIV-1) particles through a specific interaction with the capsid domain of the Gag polyprotein. Inhibition of Cyp A incorporation by mutagenesis or cyclosporin treatment severely affects infectivity of all HIV-1 M subtypes ...

journal_title：Virology

authors： Wiegers K,Kräusslich HG

更新日期：2002-03-15 00:00:00

abstract：:Mixed infections of tobacco protoplasts with Cowpea chlorotic mottle virus (CCMV) and brome mosaic virus (BMV) have been studied. Fluorescent antibody staining showed that capsids of both viruses were made in doubly infected protoplasts but only infectious BMV could be recovered, i.e., BMV dominated in mixed infection...

journal_title：Virology

authors： Watts JW,Dawson JR

更新日期：1980-09-01 00:00:00

abstract：:Glycoprotein C (gC) of pseudorabies virus, a swine herpesvirus, initiates virus attachment by binding to heparan sulfate (HS) linked to proteoglycans (HSPGs) on the cell surface. This interaction facilitates a required step in virus entry, the binding to a non-HS coreceptor, likely by another viral glycoprotein, gD. W...

journal_title：Virology

authors： Rue CA,Ryan P

更新日期：2003-03-01 00:00:00

abstract：:Although replication-incompetent herpes simplex virus (HSV) vectors have the capability to express foreign genes, successful development of these vectors for gene delivery would require that expression of the foreign gene be regulated. To investigate the feasibility of obtaining inducible expression of a foreign gene ...

journal_title：Virology

authors： Warden MP,Weir JP

更新日期：1996-12-01 00:00:00

abstract：:Naturally occurring mutations in Human T-cell Leukemia Virus Type 1 (HTLV-1) Tax protein lead to loss of recognition by cytotoxic T-lymphocytes. Most of these mutations also abolish or severely impair the transactivation function of Tax. Ninety percent of the rex gene, which encodes the viral regulator of mRNA splicin...

journal_title：Virology

authors： Smith RE,Niewiesk S,Booth S,Bangham CR,Daenke S

更新日期：1997-10-27 00:00:00

abstract：:A distinct host cellular protein binding element was mapped within a 38-nucleotide (nt) sequence 166-129 nucleotides upstream of the 3' end of the MHV-JHM genome using a RNase T1 protection/gel mobility shift electrophoresis assay. The resultant RNA-protein complex contains six host cellular proteins, one protein of 1...

journal_title：Virology

authors： Liu Q,Yu W,Leibowitz JL

更新日期：1997-05-26 00:00:00

abstract：:The lentivirus caprine arthritis-encephalitis virus (CAEV) is closely related by nucleotide sequence homology to visna virus and other sheep lentiviruses and shows less similarity to the other animal and human lentiviruses. The genomic organization of CAEV is very similar to that of visna virus and the South African o...

journal_title：Virology

authors： Saltarelli M,Querat G,Konings DA,Vigne R,Clements JE

更新日期：1990-11-01 00:00:00

abstract：:Some satellite (sat-) and defective interfering (DI) RNAs associated with plant viruses intensify or ameliorate the symptoms of the virus. We recently demonstrated that the TCV coat protein (CP) is involved in symptom modulation by sat-RNA C. Two additional subviral RNAs have now been tested for effect of the CP on sy...

journal_title：Virology

authors： Kong Q,Oh JW,Carpenter CD,Simon AE

更新日期：1997-11-24 00:00:00

abstract：:Attachment of human adenoviruses (Ads) to host cells is mediated by the interaction of the fiber protein of the capsid with specific cell-surface molecules. For one of the species B adenoviruses, Ad3, the mechanism of binding to cells remains to be defined. Several previous reports have proposed CD46, CD80 or CD86 as ...

journal_title：Virology

authors： Hall K,Blair Zajdel ME,Blair GE

更新日期：2009-09-30 00:00:00

abstract：:The 5' untranslated region (5'UTR) of coxsackievirus B3 (CVB3) RNA forms a highly ordered secondary structure that has been implicated in controlling initiation of viral translation by internal ribosomal entry. To test this hypothesis, synthetic bicistronic RNAs, with all or part of the 5'UTR in the intercistronic spa...

journal_title：Virology

authors： Yang D,Wilson JE,Anderson DR,Bohunek L,Cordeiro C,Kandolf R,McManus BM

更新日期：1997-02-03 00:00:00

abstract：:To study the possible role of immune selection in the in vivo generation of pathogenic recombinant murine leukemia viruses (MuLV), we have constructed recombinant vaccinia viruses (rVV) expressing the envelope genes of three MuLV: AKR623, MCF247, and MCF13. rVV expressing either AKR623 or MCF247 env could prime H-2b m...

journal_title：Virology

authors： Coppola MA,Green WR

更新日期：1994-07-01 00:00:00

abstract：:Geographical separation of host species has shaped the avian influenza A virus gene pool into independently evolving Eurasian and American lineages, although phylogenetic evidence for gene flow and reassortment indicates that these lineages also mix on occasion. While the evolutionary dynamics of the avian influenza g...

journal_title：Virology

authors： Bahl J,Vijaykrishna D,Holmes EC,Smith GJ,Guan Y

更新日期：2009-08-01 00:00:00

abstract：:Five regions on the coat protein of BNYVV which had been shown previously to be involved in the formation of continuous epitopes were further analyzed by means of synthetic overlapping peptides. It was found that at least some of these regions may encompass several overlapping epitopes (or parts thereof). Four monoclo...

journal_title：Virology

authors： Commandeur U,Koenig R,Manteuffel R,Torrance L,Lüddecke P,Frank R

更新日期：1994-01-01 00:00:00

abstract：:Phage-display methodology has been used to select variant CD4 proteins exhibiting increased binding to the surface envelope glycoprotein, gp120, of Human Immunodeficiency Virus Type-1. To facilitate the selection, a library of mutant CD4 proteins was constructed by cloning a PCR-generated error prone population of the...

journal_title：Virology

authors： Krykbaev R,McKeating J,Jones I

更新日期：1997-08-04 00:00:00