NDLI: Human immunodeficiency virus type 1 membrane fusion mediated by a laboratory-adapted strain and a primary isolate analyzed by resonance energy transfer.

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Evidence for activation of the hepatitis B virus polymerase by binding of its RNA template.

The human immunodeficiency virus type 1 capsid p2 domain confers sensitivity to the cyclophilin-binding drug SDZ NIM 811.

oriP is essential for EBNA gene promoter activity in Epstein-Barr virus-immortalized lymphoblastoid cell lines.

Replication of murine coronavirus defective interfering RNA from negative-strand transcripts.

Transdominant mutants of I kappa B alpha block Tat-tumor necrosis factor synergistic activation of human immunodeficiency virus type 1 gene expression and virus multiplication.

The rev-responsive element negatively regulates human immunodeficiency virus type 1 env mRNA expression in primate cells.

The zinc finger of nucleocapsid protein of Friend murine leukemia virus is critical for proviral DNA synthesis in vivo.

Efficient lysis of human immunodeficiency virus type 1-infected cells by cytotoxic T lymphocytes.

Epitopes exposed on hepatitis delta virus ribonucleoproteins.

Expression of tissue factor is increased in astrocytes within the central nervous system during persistent infection with borna disease virus.

Effect of human immunodeficiency virus type 1 protein R (vpr) gene expression on basic cellular function of fission yeast Schizosaccharomyces pombe.

Uptake of duck hepatitis B virus into hepatocytes occurs by endocytosis but does not require passage of the virus through an acidic intracellular compartment.

Trypsin activation pathway of rotavirus infectivity.

Conditional human immunodeficiency virus type 1 protease mutants show no role for the viral protease early in virus replication.

Effects of a naturally occurring mutation in the hepatitis B virus basal core promoter on precore gene expression and viral replication.

The CR1 and CR3 domains of the adenovirus type 5 E1A proteins can independently mediate activation of ATF-2.

Characterization of a myxoma virus-encoded serpin-like protein with activity against interleukin-1 beta-converting enzyme.

Analysis of early region 3 mutants of mouse adenovirus type 1.

In vitro generation and type-specific neutralization of a human papillomavirus type 16 virion pseudotype.

Local and distant sequences are required for efficient readthrough of the barley yellow dwarf virus PAV coat protein gene stop codon.

Various modes of basic helix-loop-helix protein-mediated regulation of murine leukemia virus transcription in lymphoid cell lines.

Requirements for kissing-loop-mediated dimerization of human immunodeficiency virus RNA.

Epstein-Barr virus EBNA3A and EBNA3C proteins both repress RBP-J kappa-EBNA2-activated transcription by inhibiting the binding of RBP-J kappa to DNA.

Directional budding of human immunodeficiency virus from monocytes.

Human immunodeficiency virus type 1 drug susceptibility during zidovudine (AZT) monotherapy compared with AZT plus 2',3'-dideoxyinosine or AZT plus 2',3'-dideoxycytidine combination therapy. The protocol 34,225-02 Collaborative Group.

Significance of amino acid variation at human immunodeficiency virus type 1 reverse transcriptase residue 210 for zidovudine susceptibility.

Full-length sequence and mosaic structure of a human immunodeficiency virus type 1 isolate from Thailand.

Transcriptional regulation of human polyomavirus JC: evidence for a functional interaction between RelA (p65) and the Y-box-binding protein, YB-1.

Cleavage site mutations in the encephalomyocarditis virus P3 region lethally abrogate the normal processing cascade.

Evidence that two latency-associated transcripts of herpes simplex virus type 1 are nonlinear.

Effects of the route of infection on immunoglobulin G subclasses and specificity of the reovirus-specific humoral immune response.

Determination and analysis of the complete nucleotide sequence of human herpesvirus.

Involvement of the mutated M protein in altered budding polarity of a pantropic mutant, F1-R, of Sendai virus.

The posttranscriptional control element of the simian retrovirus type 1 forms an extensive RNA secondary structure necessary for its function.

Regulation of the herpesvirus saimiri oncogene stpC, similar to that of T-cell activation genes, in growth-transformed human T lymphocytes.

Epstein-Barr virus nuclear protein 2 (EBNA2) binds to a component of the human SNF-SWI complex, hSNF5/Ini1.

Characterization of a 120-Kilodalton pre-S-binding protein as a candidate duck hepatitis B virus receptor.

Mutational analysis of the envelope protein of spleen necrosis virus.

CD4 down-modulation during infection of human T cells with human immunodeficiency virus type 1 involves independent activities of vpu, env, and nef.

Inducible gene expression by retrovirus-mediated transfer of a modified tetracycline-regulated system.

Interactions of the transcription factors MIBP1 and RFX1 with the EP element of the hepatitis B virus enhancer.

Oligomeric structure of glycoproteins in herpes simplex virus type 1.

A reevaluation of the higher taxonomy of viruses based on RNA polymerases.

Characterization of human immunodeficiency virus type 1 Vif particle incorporation.

Functional interaction of paramyxovirus glycoproteins: identification of a domain in Sendai virus HN which promotes cell fusion.

Influenza virus nucleoprotein-specific immunoglobulin G subclass and cytokine responses elicited by DNA vaccination are dependent on the route of vector DNA delivery.

Translation initiation in GB viruses A and C: evidence for internal ribosome entry and implications for genome organization.

Increased envelope spike density and stability are not required for the neutralization resistance of primary human immunodeficiency viruses.

The structurally diverse intergenic regions of respiratory syncytial virus do not modulate sequential transcription by a dicistronic minigenome.

Amino acids essential for RNase H activity of hepadnaviruses are also required for efficient elongation of minus-strand viral DNA.

Human immunodeficiency virus type 1 Nef associates with a member of the p21-activated kinase family.

Mutational analysis of the RNA triphosphatase component of vaccinia virus mRNA capping enzyme.

Transcriptional and replicational activation functions in the bovine papillomavirus type 1 E2 protein are encoded by different structural determinants.

Inhibitors of human immunodeficiency virus type 1 zinc fingers prevent normal processing of gag precursors and result in the release of noninfectious virus particles.

Casein kinase II and protein kinase C modulate hepatitis delta virus RNA replication but not empty viral particle assembly.

A longitudinal study of feline immunodeficiency virus-specific cytotoxic T lymphocytes in experimentally infected cats, using antigen-specific induction.

Adenovirus type 5 early region 4 is responsible for E1A-induced p53-independent apoptosis.

Identification of latent membrane protein 2A (LMP2A) domains essential for the LMP2A dominant-negative effect on B-lymphocyte surface immunoglobulin signal transduction.

Complete replication in vitro of tobacco mosaic virus RNA by a template-dependent, membrane-bound RNA polymerase.

Multivariate analysis of human immunodeficiency virus type 1 neutralization data.

Abortive infection of the baculovirus Autographa californica nuclear polyhedrosis virus in Sf-9 cells after mutation of the putative DNA helicase gene.

Apoptotic suppression by baculovirus P35 involves cleavage by and inhibition of a virus-induced CED-3/ICE-like protease.

Insulin-like growth factor II blocks apoptosis of N-myc2-expressing woodchuck liver epithelial cells.

Autoantigens interact with cis-acting elements of rubella virus RNA.

Cell proteins bind specifically to West Nile virus minus-strand 3' stem-loop RNA.

A seven-transmembrane domain receptor involved in fusion and entry of T-cell-tropic human immunodeficiency virus type 1 strains.

Peripheral blood mononuclear cells from sheep infected with a variant of bovine leukemia virus synthesize envelope glycoproteins but fail to induce syncytia in culture.

Activation of the human thymidine kinase (TK) promoter by simian virus 40 large T antigen requires both the T antigen pRb family-binding domain and TK promoter sequences resembling E2F-binding sites.

Human adenovirus-specific CD8+ T-cell responses are not inhibited by E3-19K in the presence of gamma interferon.

Adenovirus early region 4 34-kilodalton protein directs the nuclear localization of the early region 1B 55-kilodalton protein in primate cells.

Inhibition of herpes simplex virus type 1 immediate-early gene expression by alpha interferon is not VP16 specific.

The UL97 gene product of human cytomegalovirus is an early-late protein with a nuclear localization but is not a nucleoside kinase.

Localization of human T-cell leukemia virus type 1 tax to subnuclear compartments that overlap with interchromatin speckles.

Prolonged gene expression and cell survival after infection by a herpes simplex virus mutant defective in the immediate-early genes encoding ICP4, ICP27, and ICP22.

Transient subversion of CD40 ligand function diminishes immune responses to adenovirus vectors in mouse liver and lung tissues.

Identification of domains in the simian immunodeficiency virus matrix protein essential for assembly and envelope glycoprotein incorporation.

The PB1 subunit alone can catalyze cRNA synthesis, and the PA subunit in addition to the PB1 subunit is required for viral RNA synthesis in replication of the influenza virus genome.

Persistent poliovirus infection of human fetal brain cells.

Exogenous thymidine is preferentially incorporated into human cytomegalovirus DNA in infected human fibroblasts.

Possible origin of murine AIDS (MAIDS) virus: conversion of an endogenous retroviral p12gag sequence to a MAIDS-inducing sequence by frameshift mutations.

Virulence as a positive trait in viral persistence.

Large-population passages of vesicular stomatitis virus in interferon-treated cells select variants of only limited resistance.

Oral immunization with a replication-deficient recombinant vaccinia virus protects mice against influenza.

Revertant analysis of J-K mutations in the encephalomyocarditis virus internal ribosomal entry site detects an altered leader protein.

Differential glycosylation, virion incorporation, and sensitivity to neutralizing antibodies of human immunodeficiency virus type 1 envelope produced from infected primary T-lymphocyte and macrophage cultures.

Human immunodeficiency virus type 1 membrane fusion mediated by a laboratory-adapted strain and a primary isolate analyzed by resonance energy transfer.

The human T-cell leukemia virus type 1 posttranscriptional trans-activator Rex contains a nuclear export signal.

DNA double-strand break repair functions defend against parvovirus infection.

Genetics of intracisternal-A-particle-related envelope-encoding proviral elements in mice.

Relationship between viral DNA synthesis and virion envelopment in hepatitis B viruses.

Sequence analysis of the human DNA flanking sites of human immunodeficiency virus type 1 integration.

Interaction of the adenovirus L1 52/55-kilodalton protein with the IVa2 gene product during infection.

Proteoglycans secreted by packaging cell lines inhibit retrovirus infection.

The Moloney murine sarcoma virus ts110 5' splice site signal contributes to the regulation of splicing efficiency and thermosensitivity.

Protection against apoptosis by the vaccinia virus SPI-2 (B13R) gene product.

Correlation between poliovirus type 1 Mahoney replication in blood cells and neurovirulence.

A gene transfer vector-cell line system for complete functional complementation of adenovirus early regions E1 and E4.

Resistance of chimpanzee T cells to human immunodeficiency virus type 1 Tat-enhanced oxidative stress and apoptosis.

Transmembrane domain of influenza virus neuraminidase, a type II protein, possesses an apical sorting signal in polarized MDCK cells.

Characterization of tumor cell lines derived from murine gammaherpesvirus-68-infected mice.

Detection of herpes simplex virus type 1 latency-associated transcript expression in trigeminal ganglia by in situ reverse transcriptase PCR.

In vitro establishment of lytic and nonproductive infection by herpes simplex virus type 1 in three-dimensional keratinocyte culture.

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Human immunodeficiency virus type 1 membrane fusion mediated by a laboratory-adapted strain and a primary isolate analyzed by resonance energy transfer.

Content Provider	PubMed Central
Author	Nagashima, K. A. Ryder, A. M. Chang, C. H. Carver, J. M. Olson, W. C. Alizon, M. Hasel, K. W. Maddon, P. J. Allaway, G. P. Litwin, V.
Abstract	Previous studies of human immunodeficiency virus type 1 (HIV-1) envelope glycoprotein-mediated membrane fusion have focused on laboratory-adapted T-lymphotropic strains of the virus. The goal of this study was to characterize membrane fusion mediated by a primary HIV-1 isolate in comparison with a laboratory-adapted strain. To this end, a new fusion assay was developed on the basis of the principle of resonance energy transfer, using HeLa cells stably transfected with gp120/gp41 from the T-lymphotropic isolate HIV-1LA1 or the macrophage-tropic primary isolate HIV-1JR-FL. These cells fused with CD4+ target cell lines with a tropism mirroring that of infection by the two viruses. Of particular note, HeLa cells expressing HIV-1JR-FL gp120/gp41 fused only with PM1 cells, a clonal derivative of HUT 78, and not with other T-cell or macrophage cell lines. These results demonstrate that the envelope glycoproteins of these strains play a major role in mediating viral tropism. Despite significant differences exhibited by HIV-1JR-FL and HIV-1LAI in terms of tropism and sensitivity to neutralization by CD4-based proteins, the present study found that membrane fusion mediated by the envelope glycoproteins of these viruses had remarkably similar properties. In particular, the degree and kinetics of membrane fusion were similar, fusion occurred at neutral pH and was dependent on the presence of divalent cations. Inhibition of HIV-1JR-FL envelope glycoprotein-mediated membrane fusion by soluble CD4 and CD4-IgG2 occurred at concentrations similar to those required to neutralize this virus. Interestingly, higher concentrations of these agents were required to inhibit HIV-1LAI envelope glycoprotein-mediated membrane fusion, in contrast to the greater sensitivity of HIV-1LAI virions to neutralization by soluble CD4 and CD4-IgG2. This finding suggests that the mechanisms of fusion inhibition and neutralization of HIV-1 are distinct.
Starting Page	6437
File Format	PDF
ISSN	10985514
e-ISSN	10985514
Journal	Journal of Virology
Issue Number	9
Volume Number	70
Language	English
Publisher Date	1996-09-01
Access Restriction	Open
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Virology Immunology Microbiology Insect Science

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