TAR RNA binding properties and relative transactivation activities of human immunodeficiency virus type 1 and 2 Tat proteins.

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：:The development of vaccines against bluetongue, a prevalent livestock disease, has been focused on surface antigens that induce strong neutralizing antibody responses. Because of their antigenic variability, these vaccines are usually serotype restricted. We now show that a single highly conserved nonstructural protei...

journal_title：Journal of virology

authors： Marín-López A,Calvo-Pinilla E,Barriales D,Lorenzo G,Brun A,Anguita J,Ortego J

更新日期：2018-07-31 00:00:00

abstract：:Mutations critical for the central nervous system (CNS) attenuation of the Sabin vaccine strains of poliovirus (PV) are located within the viral internal ribosome entry site (IRES). We examined the interaction of the IRESs of PV type 3 (PV3) and Sabin type 3 (Sabin3) with polypyrimidine tract-binding protein (PTB) and...

journal_title：Journal of virology

authors： Guest S,Pilipenko E,Sharma K,Chumakov K,Roos RP

更新日期：2004-10-01 00:00:00

abstract：:Alternative splicing of the human immunodeficiency virus type 1 (HIV-1) genomic mRNA produces more than 40 unique viral mRNA species, of which more than half remain incompletely spliced within an HIV-1-infected cell. Regulation of splicing at HIV-1 3' splice sites (3'ss) requires suboptimal polypyrimidine tracts, and ...

journal_title：Journal of virology

authors： Madsen JM,Stoltzfus CM

更新日期：2005-08-01 00:00:00

abstract：:We have examined the attachment and penetration phenotypes of several glycoprotein gIII mutants of pseudorabies virus (PRV) and have identified the first one-third of gIII as a region that mediates efficient virus attachment to PK15 and Vero cells. This portion of gIII, amino acids 25 through 157 of the wild-type sequ...

journal_title：Journal of virology

authors： Flynn SJ,Burgett BL,Stein DS,Wilkinson KS,Ryan P

更新日期：1993-05-01 00:00:00

abstract：:In polarized epithelial cells, the vesicular stomatitis virus glycoprotein is segregated to the basolateral plasma membrane, where budding of the virus takes place. We have generated recombinant viruses expressing mutant glycoproteins without the basolateral-membrane-targeting signal in the cytoplasmic domain. Though ...

journal_title：Journal of virology

authors： Zimmer G,Zimmer KP,Trotz I,Herrler G

更新日期：2002-04-01 00:00:00

abstract：:Claudins (CLDN) are a family of proteins that represent the most important components of tight junctions, where they establish the paracellular barrier that controls the flow of molecules in the intercellular space between epithelial cells. Several types of viruses make full use of CLDN to facilitate entry into cells....

journal_title：Journal of virology

authors： Ding G,Liu J,Shao Q,Wang B,Feng J,Li Y,Li L,Cao S,Cong F,Zhao Y,Liu S,Xiao Y

更新日期：2020-09-29 00:00:00

abstract：:Penetration of the nervous systems of suckling mice by prototype strains of the three mammalian reovirus serotypes was studied after footpad inoculation of a dose (10(7) PFU) representing 3.5 x 10(3) 50% lethal doses (LD50) for reovirus type 3 Dearing and less than 1 LD50 for reoviruses type 1 Lang and type 2 Jones. T...

journal_title：Journal of virology

authors： Flamand A,Gagner JP,Morrison LA,Fields BN

更新日期：1991-01-01 00:00:00

abstract：:Herpesviruses utilize different origins of replication during lytic versus latent infection. Latent DNA replication depends on host cellular DNA replication machinery, whereas lytic cycle DNA replication requires virally encoded replication proteins. In lytic DNA replication, the lytic origin (ori-Lyt) is bound by a v...

journal_title：Journal of virology

authors： Lin CL,Li H,Wang Y,Zhu FX,Kudchodkar S,Yuan Y

更新日期：2003-05-01 00:00:00

abstract：:Infection by rat virus has been studied in cultures of rat embryo cells to evaluate the Margolis-Kilham hypothesis that the virus preferentially infects tissues with actively dividing cells. An enhancement of infection was seen in cultures infected 10 hr after fresh medium was added as compared to infection of station...

journal_title：Journal of virology

authors： Tennant RW,Layman KR,Hand RE

更新日期：1969-12-01 00:00:00

abstract：:Influenza viral complementary RNA (cRNA), i.e., viral mRNA was radioactive when purified from the cytoplasmic fraction of cordycepin-treated canine kidney cells that were incubated with [methyl-3H]methionine during infection. Approximately 55 to 60% of the methyl-3H radioactivity was in internal N6-methyladenosine, a ...

journal_title：Journal of virology

authors： Krug RM,Morgan MA,Shatkin AJ

更新日期：1976-10-01 00:00:00

abstract：:n-(n-Nonyl)-deoxygalactonojirimycin (n,n-DGJ), an alkylated imino sugar, reduces the amount of HBV DNA produced within the stably transfected HBV-producing HepG2.2.15 line in culture and is under consideration for development as a human therapeutic. n,n-DGJ does not appear to inhibit HBV DNA polymerase activity or env...

journal_title：Journal of virology

authors： Lu X,Tran T,Simsek E,Block TM

更新日期：2003-11-01 00:00:00

abstract：:We used virus assay and in situ hybridization with a cloned fragment of the murine cytomegalovirus (MCMV) genome to study MCMV infection of circulating leukocytes harvested from 3-week-old BALB/c, C57BL/6, and C3H mice infected with MCMV intraperitoneally. Infectious virus or MCMV DNA was detected in leukocytes on day...

journal_title：Journal of virology

authors： Bale JF Jr,O'Neil ME

更新日期：1989-06-01 00:00:00

abstract：UNLABELLED:The cytosolic RIG-I (retinoic acid-inducible gene I) receptor plays a pivotal role in the initiation of the immune response against RNA virus infection by recognizing short 5'-triphosphate (5'ppp)-containing viral RNA and activating the host antiviral innate response. In the present study, we generated novel...

journal_title：Journal of virology

authors： Chiang C,Beljanski V,Yin K,Olagnier D,Ben Yebdri F,Steel C,Goulet ML,DeFilippis VR,Streblow DN,Haddad EK,Trautmann L,Ross T,Lin R,Hiscott J

更新日期：2015-08-01 00:00:00

abstract：:Intragastric inoculation with whole-virion vaccine of inactivated influenza virus resulted in production of hemagglutinin (HA)-specific immunoglobulin A (IgA) and IgG both in lung lavage fluids and in serum samples of mice. HA-specific IgA was the predominant isotypic antibody secreted in the lung lavage fluids (avera...

journal_title：Journal of virology

authors： Chen KS,Burlington DB,Quinnan GV Jr

更新日期：1987-07-01 00:00:00

abstract：:The duck hepatitis B virus (DHBV) pregenomic RNA is a bicistronic mRNA encoding the core and polymerase proteins. Thirteen AUGs (C2 to C14) and 10 stop codons (S1 to S10) are located between the C1 AUG for the core protein and the P1 AUG that initiates polymerase translation. We previously found that the translation o...

journal_title：Journal of virology

authors： Cao F,Scougall CA,Jilbert AR,Tavis JE

更新日期：2009-02-01 00:00:00

abstract：:Striking morphologic similarities between Machupo, Tacaribe, and lymphocytic choriomeningitis viruses were found by thin-section electron microscopy. It is proposed that these viruses be brought together into a single taxonomic group. ...

journal_title：Journal of virology

authors： Murphy FA,Webb PA,Johnson KM,Whitfield SG

更新日期：1969-10-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) entry into target cells requires folding of two heptad-repeat regions (N-HR and C-HR) of gp41 into a trimer of N-HR and C-HR hairpins, which brings viral and target cell membranes together to facilitate membrane fusion. Peptides corresponding to the N-HR and C-HR of gp41 are...

journal_title：Journal of virology

authors： He Y,Vassell R,Zaitseva M,Nguyen N,Yang Z,Weng Y,Weiss CD

更新日期：2003-02-01 00:00:00

abstract：:The herpes simplex virus 1 infected cell protein 22 (ICP22), the product of the alpha22 gene, is a nucleotidylylated and phosphorylated nuclear protein with properties of a transcriptional factor required for the expression of a subset of viral genes. Here, we report the following. (i) ICP22 interacts with a previousl...

journal_title：Journal of virology

authors： Bruni R,Roizman B

更新日期：1998-11-01 00:00:00

abstract：:Mycophenolic acid (MPA), an inhibitor of IMP dehydrogenase, inhibits reovirus replication and viral RNA and protein production. In mouse L929 cells, antiviral effects were greatest at 30 microg of MPA/ml. At this dosage, MPA inhibited replication of reovirus strain T3D more than 1,000-fold and inhibited replication of...

journal_title：Journal of virology

authors： Hermann LL,Coombs KM

更新日期：2004-06-01 00:00:00

abstract：:Dengue virus (DENV) and hepatitis C virus (HCV), members of the family Flaviviridae, are global human health concerns. As positive-strand RNA viruses, they each replicate in the cytoplasm of infected cells and induce distinct membranous replication compartments where most, if not all, steps of the viral life cycle occ...

journal_title：Journal of virology

authors： Chatel-Chaix L,Bartenschlager R

更新日期：2014-06-01 00:00:00

abstract：:The baculovirus Autographa californica multicapsid nucleopolyhedrovirus (AcMNPV) initiates apoptosis in diverse insects through events triggered by virus DNA (vDNA) replication. To define the proapoptotic pathway and its role in antivirus defense, we investigated the link between the host's DNA damage response (DDR) a...

journal_title：Journal of virology

authors： Mitchell JK,Friesen PD

更新日期：2012-12-01 00:00:00

abstract：:The high rate of HIV-1 evolution contributes to immune escape, enables the virus to escape drug therapy, and may underlie the difficulty of producing an effective vaccine. Identifying constraints on HIV evolution is therefore of prime importance. To investigate this problem, we examined the relationships between seque...

journal_title：Journal of virology

authors： Woo J,Robertson DL,Lovell SC

更新日期：2010-12-01 00:00:00

abstract：:Spanins are bacteriophage lysis proteins responsible for disruption of the outer membrane, the final step of Gram-negative host lysis. The absence of spanins results in a terminal phenotype of fragile spherical cells. The phage T1 employs a unimolecular spanin gp11 that has an N-terminal lipoylation signal and a C-ter...

journal_title：Journal of virology

authors： Kongari R,Snowden J,Berry JD,Young R

更新日期：2018-10-29 00:00:00

abstract：:Murine gammaherpesvirus 68 (MHV-68) glycoprotein B (gB) was identified in purified virions by immunoblotting, immunoprecipitation, and immunoelectron microscopy. It was synthesized as a 120-kDa precursor in infected cells and cleaved into 65-kDa and 55-kDa disulfide-linked subunits close to the time of virion release....

journal_title：Journal of virology

authors： Lopes FB,Colaco S,May JS,Stevenson PG

更新日期：2004-12-01 00:00:00

abstract：:Human cytomegalovirus-induced DNA polymerase and cellular DNA polymerase alpha were purified by successive chromatography on DEAE-cellulose, phosphocellulose, heparin agarose, and single-stranded DNA agarose columns. The purified virus-induced DNA polymerase was resolved to consist of two polypeptides corresponding to...

journal_title：Journal of virology

authors： Mar EC,Chiou JF,Cheng YC,Huang ES

更新日期：1985-12-01 00:00:00

abstract：:Cytotoxic T lymphocytes (CTL) play an important role in recovery from a number of viral infections. They are also implicated in virus-induced immunopathology as best demonstrated in lymphocytic choriomeningitis virus (LCMV) infection of adult immunocompetent mice. In the present study, the structure of the T-cell rece...

journal_title：Journal of virology

authors： Yanagi Y,Maekawa R,Cook T,Kanagawa O,Oldstone MB

更新日期：1990-12-01 00:00:00

abstract：:Alphaherpesviruses are parasites of the peripheral nervous system in their natural hosts. After the initial infection of peripheral tissues such as mucosal cells, these neurotropic viruses will invade the peripheral nervous system that innervates the site of infection via long-distance axonal transport of the viral ge...

journal_title：Journal of virology

authors： Ch'ng TH,Enquist LW

更新日期：2005-09-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) gp41 plays a critical role in the viral fusion process, and its N- and C-terminal heptad repeat domains serve as important targets for developing anti-HIV-1 drugs, like T-20 (generic name, enfuvirtide; brand name, Fuzeon). Here, we conducted a yeast two-hybrid screening on a...

journal_title：Journal of virology

authors： Zhu Y,Lu L,Xu L,Yang H,Jiang S,Chen YH

更新日期：2010-09-01 00:00:00

abstract：:Several reports have shown that human cytomegalovirus (HCMV)-infected cells are resistant to NK lysis. These studies have focused on receptor-ligand interactions, and different HCMV proteins have been indicated to mediate inhibitory NK signals. Here, we report that the HCMV protein UL16 is of major importance for the ...

journal_title：Journal of virology

authors： Odeberg J,Browne H,Metkar S,Froelich CJ,Brandén L,Cosman D,Söderberg-Nauclér C

更新日期：2003-04-01 00:00:00