Murine AIDS requires CD154/CD40L expression by the CD4 T cells that mediate retrovirus-induced disease: Is CD4 T cell receptor ligation needed?

abstract：:A mutant (Tbts7) of alfalfa mosaic virus, the coat protein of which is unable to activate the viral genome (the RNA species 1, 2, and 3, which need some coat protein for infectivity) at 30 degrees , can be rescued at this temperature by adding to the inoculum wild-type RNA 3 (the genome part that contains the coat pro...

journal_title：Virology

authors： Smit CH,Jaspars EM

更新日期：1982-02-01 00:00:00

abstract：:A sensitive and efficient system for the functional assay of antisense oligonucleotides (oligos) was developed based on an in vitro viral assembly system. A 120-base RNA (pRNA), which indispensably participates in bacteriophage phi 29 DNA packaging, was the target for antisense action. Antisense oligos bound to pRNA, ...

journal_title：Virology

authors： Zhang C,Garver K,Guo P

更新日期：1995-08-20 00:00:00

abstract：:The conserved nature of the epitopes of the four broadly neutralizing antibodies (BNAbs), b12, 2G12, 2F5, and 4E10, may imply that the sensitivity of HIV-1 for these BNAbs remains fairly constant over the course of infection. Here, we demonstrate that viruses isolated early during the course of infection were mostly s...

journal_title：Virology

authors： Bunnik EM,van Gils MJ,Lobbrecht MS,Pisas L,van Nuenen AC,Schuitemaker H

更新日期：2009-08-01 00:00:00

abstract：:We examined the assembly processes of the capsid proteins of canine parvovirus (CPV) in mammalian and insect cells. In CPV-infected cells empty capsids assembled within 15 min, and then continued to form over the following 1 h, while full (DNA-containing) capsids were detected only after 60 min, and those accumulated ...

journal_title：Virology

authors： Yuan W,Parrish CR

更新日期：2001-01-20 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：:Adenoviruses with deletion of E1b have been used in clinical trials to treat cancers that are resistant to conventional therapies. The efficacy of viral replication within cancer cells determines the results of oncolytic therapy, which remains poorly understood and requires further improvement. In this report, we show...

journal_title：Virology

authors： Rodriguez-Rocha H,Gomez-Gutierrez JG,Garcia-Garcia A,Rao XM,Chen L,McMasters KM,Zhou HS

更新日期：2011-07-20 00:00:00

abstract：:We have recently described the cloning of a portion of the hepatitis E virus (HEV) and confirmed its etiologic association with enterically transmitted (waterborne, epidemic) non-A, non-B hepatitis. The virus consists of a single-stranded, positive-sense RNA genome of approximately 7.5 kb, with a polyadenylated 3' end...

journal_title：Virology

authors： Tam AW,Smith MM,Guerra ME,Huang CC,Bradley DW,Fry KE,Reyes GR

更新日期：1991-11-01 00:00:00

abstract：:In this study, we analyzed the replication and budding sites of severe acute respiratory syndrome coronavirus (SARS-CoV) at early time points of infection. We detected cytoplasmic accumulations containing the viral nucleocapsid protein, viral RNA and the non-structural protein nsp3. Using EM techniques, we found that ...

journal_title：Virology

authors： Stertz S,Reichelt M,Spiegel M,Kuri T,Martínez-Sobrido L,García-Sastre A,Weber F,Kochs G

更新日期：2007-05-10 00:00:00

abstract：:Hepatitis C virus (HCV) NS5A is a phosphoprotein that possesses a cryptic trans-activation activity. To investigate its potential role in viral replication, we searched for the cellular proteins interacting with NS5A protein by yeast two-hybrid screening of a human hepatocyte cDNA library. We identified a newly discov...

journal_title：Virology

authors： Tu H,Gao L,Shi ST,Taylor DR,Yang T,Mircheff AK,Wen Y,Gorbalenya AE,Hwang SB,Lai MM

更新日期：1999-10-10 00:00:00

abstract：:We describe the in vitro selection and characterisation of virus derived from B/Beijing/1/87 passaged in the presence of zanamivir. During zanamivir passage, the phenotype of virus isolates was either drug dependent or drug resistant in plaque reduction assays. The susceptibility of the neuraminidase of the drug-depen...

journal_title：Virology

authors： Barnett JM,Cadman A,Burrell FM,Madar SH,Lewis AP,Tisdale M,Bethell R

更新日期：1999-12-20 00:00:00

abstract：:In vitro, the coat protein of brome mosaic virus (BMV) inhibited RNA synthesis by replicase extracted from BMV-infected barley leaves. The inhibition was due to the interaction of coat protein with BMV RNA. Under the same conditions, no inhibition by TMV coat protein or bovine serum albumin was detected. For the compl...

journal_title：Virology

authors： Horikoshi M,Nakayama M,Yamaoka N,Furusawa I,Shishiyama J

更新日期：1987-05-01 00:00:00

abstract：:Cellular organelles of cauliflower mosaic virus-infected turnip plants were isolated, incubated with 32P-labeled deoxyribonucleoside triphosphates and assayed for their ability to synthesize virus-specific DNA. Only nuclei were found to synthesize a labeled DNA product. This DNA migrated during agarose gel electrophor...

journal_title：Virology

authors： Ansa OA,Bowyer JW,Shepherd RJ

更新日期：1982-08-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) exploits multiple host factors during its replication. The REV/RRE-dependent nuclear export of unspliced/partially spliced viral transcripts needs the assistance of host proteins. Recent studies have shown that MOV10 overexpression inhibited HIV-1 replication at various step...

journal_title：Virology

authors： Huang F,Zhang J,Zhang Y,Geng G,Liang J,Li Y,Chen J,Liu C,Zhang H

更新日期：2015-12-01 00:00:00

abstract：:The P670 promoter of HPV16 directs transcription of the virus late genes in the differentiating epithelium. We found that CCAAT/enhancer binding protein beta (C/EBPbeta), a key transcription factor that induces the terminal differentiation of keratinocytes, enhanced the P670-driven transcription in transient reporter ...

journal_title：Virology

authors： Kukimoto I,Takeuchi T,Kanda T

更新日期：2006-03-01 00:00:00

abstract：:We investigated the origin and the effect of insertion D67D-THGERDLGPA within HIV-1 RT from a patient failing antiviral therapy. The insertion developed within the context of pre-existing NRTI and NNRTI mutations (M41L, L210W, T215Y and N348I). Concurrently, the NRTI mutations T69I and V118I and the NNRTI mutations K1...

journal_title：Virology

authors： Megens S,Vaira D,De Baets G,Dekeersmaeker N,Schrooten Y,Li G,Schymkowitz J,Rousseau F,Vandamme AM,Moutschen M,Van Laethem K

更新日期：2014-05-01 00:00:00

abstract：:Sulfation is a common post-translational modification of secreted and membrane proteins, with the sulfate attached to tyrosine residues or to glycan side-chains. I have shown that varicella-zoster virus (VZV) envelope glycoproteins gpI, gpII, and gpIII can be labeled with [35S]sulfate. The predominant VZV glycoprotein...

journal_title：Virology

authors： Edson CM

更新日期：1993-11-01 00:00:00

abstract：:Human Papillomavirus infection is highly prevalent worldwide. While most types of HPV cause benign warts, some high-risk types are known to cause cervical cancer, as well as cancer of the oral cavity and head and neck. Persistent cutaneous HPV infection can be particularly problematic in patients with chronic immunosu...

journal_title：Virology

authors： Devitt K,Hanson SJ,Tuong ZK,McMeniman E,Soyer HP,Frazer IH,Lukowski SW

更新日期：2019-11-01 00:00:00

abstract：:Human cytomegalovirus U(L)112-113 encodes four phosphoproteins, pp84, pp50, pp43, and pp34, with common amino-termini. A previous report by Kerry et al. (J. Virol. 70, 373-382, 1996) demonstrated that U(L)112-113 products activate U(L)54 promoter in cooperation with immediate-early (IE) proteins. In this study, we ide...

journal_title：Virology

authors： Li J,Yamamoto T,Ohtsubo K,Shirakata M,Hirai K

更新日期：1999-07-20 00:00:00

abstract：:Nucleotide sequence determination of the coat protein cistron of the alfalfa mosaic virus (AIMV) temperature-sensitive mutant, Tbts 7 (uv) revealed a small number of point mutations of which only one results in the replacement of an amino acid: the asparagine residue at position 126 is replaced by an aspartate residue...

journal_title：Virology

authors： Huisman MJ,Cornelissen BJ,Groenendijk CF,Bol JF,van Vloten-Doting L

更新日期：1989-08-01 00:00:00

abstract：:The bovine papilloma virus (BPV) E1 protein essential to viral DNA replication has recently been shown to associate via direct protein-DNA interactions with the viral origin of replication and to be an ATP-dependent helicase. We show here that in accordance with the latter function, the E1 gene product has intrinsic A...

journal_title：Virology

authors： MacPherson P,Thorner L,Parker LM,Botchan M

更新日期：1994-10-01 00:00:00

abstract：:We show that the product of the polarity suppression (psu) gene from bacteriophage P4 associates with P4 capsids. This association can occur when Psu is (i) provided in vivo from the P4 genome or from a plasmid or (ii) provided in vitro by mixing viable phage particles with Psu protein. Psu is unable to associate with...

journal_title：Virology

authors： Isaksen ML,Rishovd ST,Calendar R,Lindqvist BH

更新日期：1992-06-01 00:00:00

abstract：:A novel virus isolated from the feather follicles of cockatoos diagnosed as having psittacine beak and feather disease was characterized by electron microscopy, nucleic acid content, and polypeptide composition. Purified virions displayed an icosahedral symmetry, were nonenveloped, and had a mean diameter of 14 to 16 ...

journal_title：Virology

authors： Ritchie BW,Niagro FD,Lukert PD,Steffens WL 3rd,Latimer KS

更新日期：1989-07-01 00:00:00

abstract：:The roles of two porcine circovirus replication initiator proteins, Rep and Rep׳, in generating copy-release and rolling-circle DNA replication intermediates were determined. Rep uses the supercoiled closed-circular genome (ccc) to initiate leading-strand synthesis (identical to copy-release replication) and generates...

journal_title：Virology

authors： Cheung AK

更新日期：2015-07-01 00:00:00

abstract：:The transmembrane subunit (gp41) of the HIV Env glycoprotein contains conserved neutralizing epitopes which are not well-exposed in wild-type HIV Env proteins. To enhance the exposure of these epitopes, a chimeric protein, HA/gp41, in which the gp41 of HIV-1 89.6 envelope protein was fused to the C-terminus of the HA1...

journal_title：Virology

authors： Ye L,Sun Y,Lin J,Bu Z,Wu Q,Jiang S,Steinhauer DA,Compans RW,Yang C

更新日期：2006-08-15 00:00:00

abstract：:The elucidation of the antigenic structure of the S glycoprotein of murine coronaviruses will provide further understanding of the complex pathogenicity of these viruses. In order to identify linear antigenic determinants, the primary structure of the S glycoprotein of murine hepatitis virus strain A59 was analyzed wi...

journal_title：Virology

authors： Daniel C,Lacroix M,Talbot PJ

更新日期：1994-08-01 00:00:00

abstract：:Genetic variation of the Bovine Leukemia Virus (BLV) appears to be limited in vitro and during the latent phase of the disease. However, cells in tumors often harbor deleted proviruses that are defective for expression. In order to gain insight into the involvement of viral genetic variation during pathogenesis, the B...

journal_title：Virology

authors： Willems L,Kerkhofs P,Burny A,Mammerickx M,Kettmann R

更新日期：1995-01-10 00:00:00

abstract：:Previous in vitro work demonstrated the incorporation of the major inducible 70k heat shock protein (i.e., 72k HSP) into the biologically active light nucleocapsid (L-NC) variant of canine distemper virus (CDV). Here, in vitro induction of the cellular stress response, characterized by elevated cytoplasmic and intranu...

journal_title：Virology

authors： Oglesbee MJ,Kenney H,Kenney T,Krakowka S

更新日期：1993-02-01 00:00:00

abstract：:Phase I human clinical studies involving therapeutics for emerging and biodefense pathogens with low incidence, such as the severe acute respiratory syndrome coronavirus (SARS-CoV), requires at a minimum preclinical evaluation of efficacy in two well-characterized and robust animal models. Thus, a ferret SARS-CoV mode...

journal_title：Virology

authors： Chu YK,Ali GD,Jia F,Li Q,Kelvin D,Couch RC,Harrod KS,Hutt JA,Cameron C,Weiss SR,Jonsson CB

更新日期：2008-04-25 00:00:00

abstract：:Fixed rabies virus strains (ERA and CVS) produce a fatal paralytic disease in mice after intracerebral or intramuscular injection. Some antigenic mutants of both CVS and ERA viruses with a substitution in position 333 of the glycoprotein (arginine is replaced either by a glutamine, a glycine, or an isoleucine) are tot...

journal_title：Virology

authors： Tuffereau C,Leblois H,Bénéjean J,Coulon P,Lafay F,Flamand A

更新日期：1989-09-01 00:00:00

abstract：:cDNA clones of the St. Louis encephalitis (SLE) virus genome have been obtained and the nucleotide sequence of 4.7 kb corresponding to the 5' terminal half of the genome determined. The genome contains a 5' noncoding region of 98 nucleotides followed by a single continuous open reading frame that encodes three structu...

journal_title：Virology

authors： Trent DW,Kinney RM,Johnson BJ,Vorndam AV,Grant JA,Deubel V,Rice CM,Hahn C

更新日期：1987-02-01 00:00:00