Involvement of DNA gyrase in replication and transcription of bacteriophage T7 DNA.

abstract：:Feline leukemia virus (FeLV) proviruses have been characterized from naturally occurring non-B-cell, non-T-cell tumors occurring in the spleens of infected cats. These proviruses exhibit a unique sequence motif in the long terminal repeat (LTR), namely, a 21-bp tandem triplication beginning 25 bp downstream of the enh...

journal_title：Journal of virology

authors： Athas GB,Lobelle-Rich P,Levy LS

更新日期：1995-06-01 00:00:00

abstract：:The bacteriophage PRD1 is a lipid-bearing phage that infects a wide variety of gram-negative bacteria, including Escherichia coli and Salmonella typhimurium when they contain the appropriate plasmid. It contains a linear duplex DNA molecule that is covalently bound by its 5' ends to a terminal protein. We report here ...

journal_title：Journal of virology

authors： Gerendasy DD,Ito J

更新日期：1987-02-01 00:00:00

abstract：:We have developed a complementation assay, using transiently transfected COS cells, to facilitate a molecular analysis of the herpes simplex virus type 1 glycoprotein gH. When infected by a gH-null syncytial virus, COS cells expressing wild-type gH generate infectious progeny virions and form a syncytium with neighbor...

journal_title：Journal of virology

authors： Wilson DW,Davis-Poynter N,Minson AC

更新日期：1994-11-01 00:00:00

abstract：:The sodium dodecyl sulfate (SDS) complex of the major glycoprotein of avian myeloblastosis virus exhibited an anomalously low free electrophoretic mobility compared with those of non-glycosylated protein standards. The apparent molecular weight of the glycoprotein calculated from the relation between log molecular wei...

journal_title：Journal of virology

authors： Marciani DJ,Papamatheakis JD

更新日期：1978-06-01 00:00:00

abstract：:We used 18 monoclonal antibodies against B19 parvovirus to identify neutralizing epitopes on the viral capsid. Of the 18 antibodies, 9 had in vitro neutralizing activity in a bone marrow colony culture assay. The overlapping polypeptide fragments spanning the B19 structural proteins were produced in a pMAL-c Escherich...

journal_title：Journal of virology

authors： Yoshimoto K,Rosenfeld S,Frickhofen N,Kennedy D,Hills R,Kajigaya S,Young NS

更新日期：1991-12-01 00:00:00

abstract：:The infected cell polypeptide 4 (ICP4) of herpes simplex virus 1 (HSV-1) is a regulator of viral transcription that is required for productive infection. Since viral genes are transcribed by cellular RNA polymerase II (RNA pol II), ICP4 must interact with components of the pol II machinery to regulate viral gene expre...

journal_title：Journal of virology

authors： Lester JT,DeLuca NA

更新日期：2011-06-01 00:00:00

abstract：:The beginning of the second century of research in the field of virology (the first virus was discovered in 1898) was marked by its amalgamation with bioinformatics, resulting in the birth of a new domain--viroinformatics. The availability of more than 100 Web servers and databases embracing all or specific viruses (f...

journal_title：Journal of virology

authors： Sharma D,Priyadarshini P,Vrati S

更新日期：2015-02-01 00:00:00

abstract：:A characterization of the antigenic determinants (epitopes) of the glycoprotein (G) of infectious hematopoietic necrosis virus was made by expressing different regions of the G gene in Escherichia coli. A cDNA copy of the G gene was divided into four fragments by TaqI digestion, and the fragments were subcloned into p...

journal_title：Journal of virology

authors： Xu L,Mourich DV,Engelking HM,Ristow S,Arnzen J,Leong JC

更新日期：1991-03-01 00:00:00

abstract：:Recombinant strains of replication-competent rhesus monkey rhadinovirus (RRV) were constructed in which strong promoter/enhancer elements were used to drive expression of simian immunodeficiency virus (SIV) Env or Gag or a Rev-Tat-Nef fusion protein. Cultured rhesus monkey fibroblasts infected with each recombinant st...

journal_title：Journal of virology

authors： Bilello JP,Manrique JM,Shin YC,Lauer W,Li W,Lifson JD,Mansfield KG,Johnson RP,Desrosiers RC

更新日期：2011-12-01 00:00:00

abstract：:We analyzed control sequences of the human papovavirus JC virus (JCV) to define the cis-acting elements that regulate specific expression of the viral early region genes in glial cells. Nuclear run-on transcription, S1 analysis, and chloramphenicol acetyltransferase enzyme activity in a transient transfection assay es...

journal_title：Journal of virology

authors： Tada H,Lashgari M,Rappaport J,Khalili K

更新日期：1989-01-01 00:00:00

abstract：:Rhesus monkey rhadinovirus (RRV) is a close relative of Kaposi's sarcoma-associated herpesvirus (KSHV; human herpesvirus 8). RRV serves as an in vitro and an in vivo model for KSHV, and the mapping of its transcription program during lytic replication is significant since it represents de novo infection in the absence...

journal_title：Journal of virology

authors： DeWire SM,McVoy MA,Damania B

更新日期：2002-10-01 00:00:00

abstract：:Purified preparations of human adenovirus type 12 showed two bands when subjected to isopycnic centrifugation in a density gradient of cesium chloride. Their density difference was about 0.003 g/ml, suggesting a small difference in their deoxyribonucleic acid to protein ratio. Virions with a lighter density can kill h...

journal_title：Journal of virology

authors： Mak S

更新日期：1971-04-01 00:00:00

abstract：:Resistance to erythroleukemia induced by infection with the Friend virus complex (FV) has been mapped to several genes residing both within and outside the murine major histocompatibility complex (MHC). MHC genes located in the A, D, and Qa/Tla regions of the murine H-2 complex have been shown to affect disease resist...

journal_title：Journal of virology

authors： Perry LL,Miyazawa M,Hasenkrug K,Wehrly K,David CS,Chesebro B

更新日期：1994-08-01 00:00:00

abstract：:A virus structurally similar to viruses associated with maedi, progressive pneumonia, and visna of sheep has been isolated from buffy coat cells of cattle with chronic lymphocytosis. Electron microscope studies revealed three variants of the virion: (i) an intracytoplasmic form 98 to 116 nm in diameter when occurring ...

journal_title：Journal of virology

authors： Boothe AD,Van der Maaten AJ

更新日期：1974-01-01 00:00:00

abstract：:Herpesviruses use a cascade of interactions with different cell surface molecules to gain entry into cells. In many cases, this involves binding to abundant glycosaminoglycans or integrins followed by interactions with more limited cell surface proteins, leading to fusion with cellular membranes. Human cytomegalovirus...

journal_title：Journal of virology

authors： Vanarsdall AL,Ryckman BJ,Chase MC,Johnson DC

更新日期：2008-12-01 00:00:00

abstract：:Two regions of the hepatitis B virus (HBV) genome have been shown to display properties of a transcriptional enhancer. Enhancer 1 is active in most hepatoma lines examined as well as in some non-hepatocyte-derived cell lines. In contrast, enhancer 2 activity is strictly liver specific. In this study, we show that aden...

journal_title：Journal of virology

authors： Chen ST,Su H,Yee JK

更新日期：1992-12-01 00:00:00

abstract：:The human cytomegalovirus (HCMV) tegument protein pp71, encoded by gene UL82, stimulates viral immediate-early (IE) transcription. pp71 interacts with the cellular protein hDaxx at nuclear domain 10 (ND10) sites, resulting in the reversal of hDaxx-mediated repression of viral transcription. We demonstrate that pp71 di...

journal_title：Journal of virology

authors： Lukashchuk V,McFarlane S,Everett RD,Preston CM

更新日期：2008-12-01 00:00:00

abstract：UNLABELLED:To investigate the molecular mechanism(s) by which herpes simplex virus 1 (HSV-1) regulatory protein ICP0 promotes viral gene expression and replication, we screened cells overexpressing ICP0 for ICP0-binding host cell proteins. Tandem affinity purification of transiently expressed ICP0 coupled with mass spe...

journal_title：Journal of virology

authors： Sato Y,Kato A,Maruzuru Y,Oyama M,Kozuka-Hata H,Arii J,Kawaguchi Y

更新日期：2016-01-06 00:00:00

abstract：:Spontaneous deletion mutants of satellite bacteriophage P4 have been isolated and characterized. All of the deletions analyzed that were between 850 and 1,700 base pairs long are within the region nonessential for P4 lytic development; some of them cover the cII or the gop locus. ...

journal_title：Journal of virology

authors： Raimondi A,Donghi R,Montaguti A,Pessina A,Dehò G

更新日期：1985-04-01 00:00:00

abstract：UNLABELLED:Hepatitis B virus (HBV) infects hundreds of millions of people worldwide and causes acute and chronic hepatitis, cirrhosis, and hepatocellular carcinoma. HBV is an enveloped virus with a relaxed circular (RC) DNA genome. In the nuclei of infected human hepatocytes, conversion of RC DNA from the incoming viri...

journal_title：Journal of virology

authors： Cui X,Clark DN,Liu K,Xu XD,Guo JT,Hu J

更新日期：2015-10-21 00:00:00

abstract：:Therapeutic vaccination has the potential to boost immune responses and enhance viral control during chronic infections. However, many therapeutic vaccination approaches have fallen short of expectations, and effective boosting of antiviral T-cell responses is not always observed. To examine these issues, we studied t...

journal_title：Journal of virology

authors： Wherry EJ,Blattman JN,Ahmed R

更新日期：2005-07-01 00:00:00

abstract：:Information was sought on the temporal distribution of transmissible mink encephalopathy virus in royal pastel mink inoculated subcutaneously with 10(3.0) 50% intracerebral lethal doses of the Idaho strain. As determined by intracerebral assay in mink, extremely little replication of the virus occurred during the prec...

journal_title：Journal of virology

authors： Hadlow WJ,Race RE,Kennedy RC

更新日期：1987-10-01 00:00:00

abstract：:The vpr gene product of human immunodeficiency virus type (HIV-1) is a virion-associated regulatory protein. A transferable virion association motif for Vpr is located in the p6 domain of the HIV-1 Gag polyprotein. To map the sequences in p6 that are involved in Vpr incorporation, we analyzed the ability of mutant for...

journal_title：Journal of virology

authors： Kondo E,Göttlinger HG

更新日期：1996-01-01 00:00:00

abstract：:Antisera produced in mice recognize primarily type-specific antigenic determinants on both the major core protein, p30, and the major envelope proteins, gp70 and p15(E), of the endogenous leukemia viruses (MuLV) of BALB/c mice. Three different mouse sera were investigated in detail. (i) Antisera prepared in C57BL/6 mi...

journal_title：Journal of virology

authors： Brown JP,Boiocchi M,Nowinski RC

更新日期：1979-10-01 00:00:00

abstract：:In the course of our studies on oxidative stress as a component of pathological processes in humans, we showed that microintrusion into cells with microcapillary and ultramicroelectrochemical detection could mimic many types of mechanical intrusion leading to an instant (0.1 s) and high (some femtomoles) burst release...

journal_title：Journal of virology

authors： Lachgar A,Sojic N,Arbault S,Bruce D,Sarasin A,Amatore C,Bizzini B,Zagury D,Vuillaume M

更新日期：1999-02-01 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：:Herpes simplex virus type 1 (HSV-1) DNA and RNA have been detected in peripheral nervous system (PNS) and central nervous system (CNS) tissues of latently infected mice. However, explant methods are successful in reactivating HSV-1 only from latently infected PNS tissues. In this report, latent herpesvirus infections ...

journal_title：Journal of virology

authors： Deatly AM,Spivack JG,Lavi E,O'Boyle DR 2nd,Fraser NW

更新日期：1988-03-01 00:00:00

abstract：:Assembly and maturation of retroviral particles requires the aggregation and controlled proteolytic cleavage of polyprotein core precursors by a precursor-encoded protease (PR). Active, mature retroviral PR is a dimer, and the accumulation of precursors at sites of assembly may facilitate subunit interaction and subse...

journal_title：Journal of virology

authors： Burstein H,Bizub D,Skalka AM

更新日期：1991-11-01 00:00:00

abstract：:Simian virus 40 mutants lacking sequences in the late leader region are viable but produce smaller plaques than does wild-type virus. Within three passages at low multiplicities of infection, virus stocks of several such mutants accumulated variants that synthesized an altered form of the major virion protein, VP1, ha...

journal_title：Journal of virology

authors： Barkan A,Welch RC,Mertz JE

更新日期：1987-10-01 00:00:00

abstract：UNLABELLED:Oncolytic viruses (OVs) are attractive avenues of cancer therapy due to the absence of toxic side effects often seen with current treatment modalities. Bovine herpesvirus 1 (BHV-1) is a species-specific virus that does not induce cytotoxicity in normal primary human cells but can infect and kill various huma...

journal_title：Journal of virology

authors： Cuddington BP,Mossman KL

更新日期：2014-06-01 00:00:00