The integrity of the stem structure of human immunodeficiency virus type 1 Tat-responsive sequence of RNA is required for interaction with the interferon-induced 68,000-Mr protein kinase.

abstract：:The distantly related lentiviruses human immunodeficiency virus type 1 (HIV-1) and visna virus each encode a posttranscriptional regulatory protein, termed Rev, that is critical for expression of the viral structural proteins. We genetically mapped the cis-acting target sequence for visna virus Rev, the visna virus Re...

journal_title：Journal of virology

authors： Tiley LS,Cullen BR

更新日期：1992-06-01 00:00:00

abstract：:HB-3, a temperate bacteriophage of Streptococcus pneumoniae, synthesizes its own murein hydrolase activity when multiplying on cultures of pneumococcus. The enzyme (HBL) was purified and biochemically characterized as an N-acetylmuramoyl-L-alanine amidase of 36,000 daltons, and a 2.1-kilobase DraI fragment containing ...

journal_title：Journal of virology

authors： Romero A,Lopez R,Garcia P

更新日期：1990-01-01 00:00:00

abstract：:The major envelope glycoproteins gp120 and gp41 of human immunodeficiency virus type 1, the causative agent for human AIDS, contain numerous N-linked oligosaccharides. We report here our discovery that N-acetylglucosamine residues within the complex-type N-linked oligosaccharides of both gp120 and its precursor, gp160...

journal_title：Journal of virology

authors： Shilatifard A,Merkle RK,Helland DE,Welles JL,Haseltine WA,Cummings RD

更新日期：1993-02-01 00:00:00

abstract：:Human cytomegalovirus (HCMV) possesses low pathogenic potential in an immunocompetent host. In the immunosuppressed host, however, a wide spectrum of infection outcomes, ranging from asymptomatic to life threatening, can follow either primary or nonprimary infection. The variability in the manifestations of HCMV infec...

journal_title：Journal of virology

authors： Sequar G,Britt WJ,Lakeman FD,Lockridge KM,Tarara RP,Canfield DR,Zhou SS,Gardner MB,Barry PA

更新日期：2002-08-01 00:00:00

abstract：:At a low pH, the influenza virus hemagglutinin (HA) undergoes conformational changes that promote membrane fusion. While the critical role of fusion peptide release from the trimer interface has been demonstrated previously, the role of globular head dissociation in the overall fusion mechanism remains unclear. To inv...

journal_title：Journal of virology

authors： Kemble GW,Bodian DL,Rosé J,Wilson IA,White JM

更新日期：1992-08-01 00:00:00

abstract：:Type I interferons induce a complex transcriptional program that leads to a generalized antiviral response against a large panel of viruses, including human immunodeficiency virus type 1 (HIV-1). However, despite the fact that interferons negatively regulate HIV-1 ex vivo, a chronic interferon state is linked to the p...

journal_title：Journal of virology

authors： Cordeil S,Nguyen XN,Berger G,Durand S,Ainouze M,Cimarelli A

更新日期：2013-03-01 00:00:00

abstract：:Respiratory syncytial virus (RSV) is a major cause of severe lower respiratory tract disease in infants and the elderly, but no safe and effective RSV vaccine is yet available. For reasons that are not well understood, RSV is only weakly immunogenic, and reinfection occurs throughout life. This has complicated the sea...

journal_title：Journal of virology

authors： Martinez-Sobrido L,Gitiban N,Fernandez-Sesma A,Cros J,Mertz SE,Jewell NA,Hammond S,Flano E,Durbin RK,García-Sastre A,Durbin JE

更新日期：2006-02-01 00:00:00

abstract：:A monoclonal antibody, MAb vpg15, inhibits feline immunodeficiency virus (FIV) infection in tissue culture. The antibody is directed to a determinant of the feline cell surface marker, CD9, implying that CD9 may serve as a viral receptor or coreceptor in this system. In cells expressing CD9, MAb vpg15 markedly delayed...

journal_title：Journal of virology

authors： de Parseval A,Lerner DL,Borrow P,Willett BJ,Elder JH

更新日期：1997-08-01 00:00:00

abstract：:Waterfowl are the natural reservoir of all influenza A viruses, which are usually nonpathogenic in wild aquatic birds. However, in late 2002, outbreaks of highly pathogenic H5N1 influenza virus caused deaths among wild migratory birds and resident waterfowl, including ducks, in two Hong Kong parks. In February 2003, a...

journal_title：Journal of virology

authors： Sturm-Ramirez KM,Ellis T,Bousfield B,Bissett L,Dyrting K,Rehg JE,Poon L,Guan Y,Peiris M,Webster RG

更新日期：2004-05-01 00:00:00

abstract：UNLABELLED:The genus beta human papillomaviruses (beta HPVs) cause cutaneous lesions and are thought to be involved in the initiation of some nonmelanoma skin cancers (NMSCs), particularly in patients with the genetic disorder epidermodysplasia verruciformis (EV). We have previously reported that at least two of the ge...

journal_title：Journal of virology

authors： White EA,Walther J,Javanbakht H,Howley PM

更新日期：2014-08-01 00:00:00

abstract：:Bacteriophage PRD1 contains DNA, 17 proteins, and lipid. The assembly pathway involves the formation of empty particles that contain lipid and all of the proteins of mature virions, with the possible exception of one. The major and minor capsid proteins, P3 and P5, occur as soluble multimers before they appear in the ...

journal_title：Journal of virology

authors： Mindich L,Bamford D,McGraw T,Mackenzie G

更新日期：1982-12-01 00:00:00

abstract：:Our previous studies showed that establishment of murine cytomegalovirus (MCMV) latency in vivo is associated with repression of immediate-early gene expression, deacetylation of histones bound to the major immediate-early promoter (MIEP), changes in patterns of methylation of histones, and recruitment of cellular rep...

journal_title：Journal of virology

authors： Liu XF,Yan S,Abecassis M,Hummel M

更新日期：2010-04-01 00:00:00

abstract：:The retrovirus SL3 induces T-cell lymphomas in mice. The transcriptional enhancer in the long terminal repeat (LTR) of SL3 contains two 72-bp repeats. Each repeat contains a binding site for the transcription factor CBF (also called AML1). The CBF binding sites are called core elements. SAA is a mutant that is identic...

journal_title：Journal of virology

authors： Martiney MJ,Rulli K,Beaty R,Levy LS,Lenz J

更新日期：1999-09-01 00:00:00

abstract：UNLABELLED:A hallmark of Ebola virus (EBOV) infection is the formation of viral inclusions in the cytoplasm of infected cells. These viral inclusions contain the EBOV nucleocapsids and are sites of viral replication and nucleocapsid maturation. Although there is growing evidence that viral inclusions create a protected...

journal_title：Journal of virology

authors： Nelson EV,Schmidt KM,Deflubé LR,Doğanay S,Banadyga L,Olejnik J,Hume AJ,Ryabchikova E,Ebihara H,Kedersha N,Ha T,Mühlberger E

更新日期：2016-07-27 00:00:00

abstract：:Smallpox was eradicated more than 10 years ago, but infection with another Orthopoxvirus, monkeypox virus, can result in a clinical picture resembling smallpox. Human infection with monkeypox virus is extremely rare, not easily transmitted, and confined to the rain forest belt of Africa (Z. Jezek and F. Fenner, p. 81-...

journal_title：Journal of virology

authors： Douglass N,Dumbell K

更新日期：1992-12-01 00:00:00

abstract：:HLA-B*57-mediated selection pressure leads to a typical escape pathway in human immunodeficiency virus type 1 (HIV-1) CD8 epitopes such as TW10. Whether this T242N pathway is shared by all clades remains unknown. We therefore assessed the nature of HLA-B*57 selection in a large, observational Kenyan cohort where clade...

journal_title：Journal of virology

authors： McKinnon LR,Capina R,Peters H,Mendoza M,Kimani J,Wachihi C,Kariri A,Kimani M,Richmond M,Kiazyk SK,Fowke KR,Jaoko W,Luo M,Ball TB,Plummer FA

更新日期：2009-12-01 00:00:00

abstract：:A gene encoding a polypeptide with homology to mammalian vascular endothelial growth factors (VEGFs) has been discovered in the genome of orf virus (OV), a parapoxvirus that affects sheep and goats and, occasionally, humans. The gene is transcribed abundantly early in infection and is found immediately outside the inv...

journal_title：Journal of virology

authors： Lyttle DJ,Fraser KM,Fleming SB,Mercer AA,Robinson AJ

更新日期：1994-01-01 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

abstract：:In polarized T cells, HIV-1 Gag localizes to a rear-end protrusion known as the uropod in a multimerization-dependent manner. Gag-laden uropods participate in formation of virological synapses, intercellular contact structures that play a key role in cell-to-cell HIV-1 transmission. Our previous observations suggest t...

journal_title：Journal of virology

authors： Llewellyn GN,Grover JR,Olety B,Ono A

更新日期：2013-06-01 00:00:00

abstract：:Two types of empty capsid particles that differed with respect to the presence of the two outer shell proteins were isolated from MA-104 cells infected with bovine rotavirus V1005. Three previously uncharacterized polypeptides, I, II, and III, migrating between VP2 and VP6, were detected in empty capsids but not in si...

journal_title：Journal of virology

authors： Brüssow H,Bruttin A,Marc-Martin S

更新日期：1990-08-01 00:00:00

abstract：:The papillomavirus (PV) E2 protein is a critical regulator of viral transcription and genome replication. We previously reported that tyrosine (Y) 138 of HPV-31 E2 is phosphorylated by the fibroblast growth factor receptor 3 (FGFR3) kinase. In this study, we generated quasiviruses containing G418-selectable HPV-31 gen...

journal_title：Journal of virology

authors： Jose L,Androphy EJ,DeSmet M

更新日期：2020-07-01 00:00:00

abstract：:The gH-gL complex of herpes simplex virus type 1 (HSV-1) is essential for virion infectivity and virus-induced cell fusion, but functional domains of the gH molecule remain to be defined. We have addressed this question by mutagenesis. A set of linker insertion mutants in HSV-1 gH was generated and tested in transient...

journal_title：Journal of virology

authors： Galdiero M,Whiteley A,Bruun B,Bell S,Minson T,Browne H

更新日期：1997-03-01 00:00:00

abstract：:Most of the viral DNA extracted from simian virus 40 (SV40)-infected African green monkey kidney cells consists of circular molecules about 5.3 kilobases in contour length. However, about 1% of the viral DNA was found to occur as closed circular dimers that appeared to be formed, preferentially, late in infection. The...

journal_title：Journal of virology

authors： Goff SP,Berg P

更新日期：1977-10-01 00:00:00

abstract：:To examine the cell fusion activity of hepatitis C virus (HCV) envelope proteins (E1 and E2), we have established a sensitive cell fusion assay based on the activation of a reporter gene as described previously (O. Nussbaum, C. C. Broder, and E. A. Berger, J. Virol. 68:5411-5422, 1994). The chimeric HCV E1 and E2 prot...

journal_title：Journal of virology

authors： Takikawa S,Ishii K,Aizaki H,Suzuki T,Asakura H,Matsuura Y,Miyamura T

更新日期：2000-06-01 00:00:00

abstract：:The buoyant density characteristics of infectious particles of herpes simplex virus types 1 and 2 were studied by centrifugation in sucrose and cesium chloride density gradients with a high resolution and satisfactory infectivity recovery. It was shown that two populations of infectious virions differing in buoyant de...

journal_title：Journal of virology

authors： Yanagi K

更新日期：1981-05-01 00:00:00

abstract：:Translation of picornavirus RNAs is mediated by internal ribosomal entry site (IRES) elements and requires both standard eukaryotic translation initiation factors (eIFs) and IRES-specific cellular trans-acting factors (ITAFs). Unr, a cytoplasmic RNA-binding protein that contains five cold-shock domains and is encoded ...

journal_title：Journal of virology

authors： Boussadia O,Niepmann M,Créancier L,Prats AC,Dautry F,Jacquemin-Sablon H

更新日期：2003-03-01 00:00:00

abstract：:The ribonucleoprotein (RNP) internal components of influenza virus were separated into distinct size classes by sedimentation in glycerol gradients and examined by electron microscopy by using positive staining with uranyl acetate. The large RNP have a peak in length distribution at 90 to 110 nm, the medium, at 60 to ...

journal_title：Journal of virology

authors： Compans RW,Content J,Duesberg PH

更新日期：1972-10-01 00:00:00

abstract：:Hepatitis E virus genotype 1 strain Sar55 replicated in subcloned Caco-2 intestinal cells and Huh7 hepatoma cells that had been transfected with in vitro transcribed viral genomes, and hepatitis E virions were released into the culture medium of both cell lines. Virus egress from cells depended on open reading frame 3...

journal_title：Journal of virology

authors： Emerson SU,Nguyen HT,Torian U,Burke D,Engle R,Purcell RH

更新日期：2010-09-01 00:00:00

abstract：:RNA packaging signals (psi) from the 5' ends of murine and avian retroviral genomes have previously been shown to direct encapsidation of heterologous mRNA into the retroviral virion. The avian 5' packaging region has now been further characterized, and we have defined a 270-nucleotide sequence, A psi, which is suffic...

journal_title：Journal of virology

authors： Aronoff R,Hajjar AM,Linial ML

更新日期：1993-01-01 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