Polypurine tract adjacent to the U3 region of the Rous sarcoma virus genome provides a cis-acting function.

abstract：:Two live attenuated single-deletion mutant simian immunodeficiency virus (SIV) constructs, SIV239Deltanef and SIVPBj6.6Deltanef, were tested for their abilities to stimulate protective immunity in macaques. During the immunization period the animals were examined for specific immune responses and virus growth. Each co...

journal_title：Journal of virology

authors： Lewis MG,Yalley-Ogunro J,Greenhouse JJ,Brennan TP,Jiang JB,VanCott TC,Lu Y,Eddy GA,Birx DL

更新日期：1999-02-01 00:00:00

abstract：:To determine mechanisms by which persistent viral infections are established and maintained, we initiated persistent infections of murine erythroleukemia (MEL) cells by using reovirus strains type 3 Abney and type 3 Dearing. Establishment of persistent reovirus infections of MEL cells was not associated with a signifi...

journal_title：Journal of virology

authors： Wetzel JD,Chappell JD,Fogo AB,Dermody TS

更新日期：1997-01-01 00:00:00

abstract：:The V1V2 region of HIV-1 gp120 harbors a major vulnerable site targeted by a group of broadly neutralizing monoclonal antibodies (MAbs) such as PG9 through strand-strand recognition. However, this epitope region is structurally polymorphic as it can also form a helical conformation recognized by RV144 vaccine-induced ...

journal_title：Journal of virology

authors： Jiang X,Totrov M,Li W,Sampson JM,Williams C,Lu H,Wu X,Lu S,Wang S,Zolla-Pazner S,Kong XP

更新日期：2016-11-28 00:00:00

abstract：:H2dl808 is a defective deletion mutant of human adenovirus 2 lacking most of transcriptional early region 4. Although the mutant can be grown in the complementing cell line W162, it is defective in human cell lines normally used to propagate adenovirus. In such nonpermissive cells, H2dl808 exhibits a severe defect in ...

journal_title：Journal of virology

authors： Weinberg DH,Ketner G

更新日期：1986-03-01 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：:Acute measles in children can be prevented by immunization with the live attenuated measles vaccine virus. Although immunization is able to induce CD4 and CD8 T cells as well as neutralizing antibodies, only the latter have been correlated with protective immunity. CD8 T cells, however, have been documented to be impo...

journal_title：Journal of virology

authors： Pueschel K,Tietz A,Carsillo M,Steward M,Niewiesk S

更新日期：2007-08-01 00:00:00

abstract：:Human immunodeficiency virus (HIV) infections in sub-Saharan Africa represent about 56% of global infections. Study of active-site mutations (the V82A single mutation and the V82F I84V double mutation) in the less-studied South African HIV type 1 subtype C (C-SA) protease indicated that neither mutation had a signific...

journal_title：Journal of virology

authors： Mosebi S,Morris L,Dirr HW,Sayed Y

更新日期：2008-11-01 00:00:00

abstract：:Diminished in vitro proliferation of human immunodeficiency virus type 1 (HIV-1)-specific CD4+T cells has been associated with HIV-1 viremia and declining CD4+ T-cell counts during chronic infection. To better understand this phenomenon, we examined whether HIV-1 Gag p24 antigen-induced CD4+ T-cell proliferation might...

journal_title：Journal of virology

authors： Boritz E,Palmer BE,Wilson CC

更新日期：2004-11-01 00:00:00

abstract：:CD4C/HIV(nef) transgenic (Tg) mice express Nef in CD4+ T cells and in the cells of the macrophage/monocyte/dendritic lineage, and they develop an AIDS-like disease similar to human AIDS. In these mice, Nef is constitutively expressed throughout life. To rule out the contribution of any developmental defects caused by ...

journal_title：Journal of virology

authors： Rahim MM,Chrobak P,Hu C,Hanna Z,Jolicoeur P

更新日期：2009-11-01 00:00:00

abstract：:The genome of the Snyder-Theilen strain of feline sarcoma virus (ST-FeSV) is a 4.3-kilobase-pair (kbp) RNA molecule that contains a 1.5-kbp cellular insertion (fes gene) flanked by feline leukemia virus sequences at its 5' end (1.6 kbp) and 3' end (1.2 kbp) (Sherr et al., J. Virol. 34:200-212, 1980). DNA transfection ...

journal_title：Journal of virology

authors： Barbacid M

更新日期：1981-01-01 00:00:00

abstract：:Human papillomaviruses (HPVs) are small DNA tumor viruses that are the causative agent of warts and are associated with many anogenital cancers. The viral gene encoding the E6 protein has been found to be involved in HPV oncogenesis. E6 is known to inactivate the cellular tumor suppressor, p53. In addition, E6 has bee...

journal_title：Journal of virology

authors： Nguyen M,Song S,Liem A,Androphy E,Liu Y,Lambert PF

更新日期：2002-12-01 00:00:00

abstract：:Expression of the human ADA cDNA encoded by the Moloney murine leukemia virus spliced RNA form is enhanced by intron-contained sequences. The presence of sequences corresponding to the viral gag gene in a Moloney murine leukemia virus-based vector results in the generation of 10- to 40-fold higher titers of virus. ...

journal_title：Journal of virology

authors： Armentano D,Yu SF,Kantoff PW,von Ruden T,Anderson WF,Gilboa E

更新日期：1987-05-01 00:00:00

abstract：:The addition of 25 mug of protamine sulfate per ml to lysozyme-ethylenediamine-tetraacetic acid spheroplasts of Escherichia coli stimulates transfection not only for T1 phage deoxyribonucleic acid (DNA; Hotz and Mauser, 1969) but also for the following phage DNA species: lambda, 10,000-fold to an efficiency of 10(-3) ...

journal_title：Journal of virology

authors： Benzinger R,Kleber I,Huskey R

更新日期：1971-05-01 00:00:00

abstract：:The human cytomegalovirus UL4 gene encodes a 48-kDa glycoprotein, expression of which is repressed at the translational level by a short upstream open reading frame (uORF2) within the UL4 transcript leader. Mutation of the uORF2 initiation codon in the viral genome eliminates ribosomal stalling at the uORF2 terminatio...

journal_title：Journal of virology

authors： Alderete JP,Child SJ,Geballe AP

更新日期：2001-08-01 00:00:00

abstract：:Interleukin-1 (IL-1) plays an important role in the inflammatory process. Some studies have demonstrated that IL-1 production was impaired in patients with chronic infections of hepatitis C virus (HCV), implying that IL-1 may play a role in viral clearance. Using an HCV subgenomic replicon cell line, we demonstrate th...

journal_title：Journal of virology

authors： Zhu H,Liu C

更新日期：2003-05-01 00:00:00

abstract：:The 3'-end host-virus junction fragments from two bovine leukemia virus (BLV)-induced lymphoid tumors (tumors 15-4 and 1351), each containing a single provirus, were used as probes to detect large restriction fragments flanking these proviruses. The DNAs from 28 other independent BLV-induced tumors were checked by Sou...

journal_title：Journal of virology

authors： Kettmann R,Deschamps J,Couez D,Claustriaux JJ,Palm R,Burny A

更新日期：1983-07-01 00:00:00

abstract：:Polyoma virus particles were purified by equilibrium centrifugation in CsCl. Particles from three regions of the density gradient were examined for infectivity, for their ability to induce expanded pools of deoxyribonucleic acid (DNA) precursors, and for their ability to stimulate the synthesis of DNA. The most infect...

journal_title：Journal of virology

authors： Skoog L,Nordenskjöld BA,Lindberg U

更新日期：1970-07-01 00:00:00

abstract：:10A1 murine leukemia virus can enter cells by using either of two different cell surface phosphate transport proteins, the gibbon ape leukemia virus receptor Glvr-1 (Pit-1) or the amphotropic retrovirus receptor Ram-1 (Pit-2). Glvr-1 and Ram-1 are widely expressed in different tissues, but the relative amounts of each...

journal_title：Journal of virology

authors： Miller AD,Chen F

更新日期：1996-08-01 00:00:00

abstract：:Infection of mice with Moloney murine leukemia virus (M-MuLV) as well as with a nonpathogenic variant, Mo+PyF101 M-MuLV, was studied. Mo+PyF101 M-MuLV differs from wild-type M-MuLV by the addition of enhancer sequences from polyomavirus in the long terminal repeat. Previous experiments indicated that Mo+PyF101 establi...

journal_title：Journal of virology

authors： Davis BR,Chandy KG,Brightman BK,Gupta S,Fan H

更新日期：1986-11-01 00:00:00

abstract：:We have synthesized 32P-labeled hybridization probes from a hyperdivergent region (nucleotides 51 to 392) of the rotavirus gene encoding the VP7 glycoprotein by using the polymerase chain reaction method. Both RNA (after an initial reverse transcription step) and cloned cDNA from human rotavirus serotypes 1 through 4 ...

journal_title：Journal of virology

authors： Flores J,Sears J,Schael IP,White L,Garcia D,Lanata C,Kapikian AZ

更新日期：1990-08-01 00:00:00

abstract：:Poliovirus (PV) is easily transferred to humans orally; however, no rodent model for oral infections has been developed because of the alimentary tract's low sensitivity to the virus. Here we showed that PV is inactivated by the low pH of the gastric contents in mice. The addition of 3% NaHCO3 to the viral inoculum in...

journal_title：Journal of virology

authors： Ohka S,Igarashi H,Nagata N,Sakai M,Koike S,Nochi T,Kiyono H,Nomoto A

更新日期：2007-08-01 00:00:00

abstract：:Pancreatic islets from DBA/2 mice infected with the D variant of encephalomyocarditis (EMC-D) virus revealed lymphocytic infiltration with moderate to severe destruction of pancreatic beta cells. Our previous studies showed that the major population of infiltrating cells at the early stages of infection is macrophages...

journal_title：Journal of virology

authors： Hirasawa K,Jun HS,Maeda K,Kawaguchi Y,Itagaki S,Mikami T,Baek HS,Doi K,Yoon JW

更新日期：1997-05-01 00:00:00

abstract：:Viruses efficiently block the host antiviral response in order to replicate and spread before host intervention. The mechanism initiating antiviral immunity during stealth viral replication is unknown, but recent data demonstrate that defective viral genomes generated at peak virus replication are critical for this pr...

journal_title：Journal of virology

authors： López CB

更新日期：2014-08-01 00:00:00

abstract：:The phenomenon whereby the host immune system responds to only a few of the many possible epitopes in a foreign protein is termed immunodominance. Immunodominance occurs not only during microbial infection but also following vaccination, and clarification of the underlying mechanism may permit the rational design of v...

journal_title：Journal of virology

authors： Rodriguez F,Harkins S,Slifka MK,Whitton JL

更新日期：2002-05-01 00:00:00

abstract：:Immediate-early viral gene products of human cytomegalovirus (HCMV) are derived from several genomic loci and largely serve to establish a cellular environment conducive to viral replication. We have further examined an unusual immediate-early transcript known as the 5-kb RNA, concluding that it is a stable intron enc...

journal_title：Journal of virology

authors： Kulesza CA,Shenk T

更新日期：2004-12-01 00:00:00

abstract：:The family Anelloviridae includes human and animal torque teno viruses (TTVs) with extensive genetic diversity. The antigenic diversity among anelloviruses has never been assessed. Using torque teno sus virus (TTSuV) as a model, we describe here the first investigation of the antigenic relationships among different an...

journal_title：Journal of virology

authors： Huang YW,Harrall KK,Dryman BA,Opriessnig T,Vaughn EM,Roof MB,Meng XJ

更新日期：2012-10-01 00:00:00

abstract：UNLABELLED:The ATR kinase has essential functions in maintenance of genome integrity in response to replication stress. ATR is recruited to RPA-coated single-stranded DNA at DNA damage sites via its interacting partner, ATRIP, which binds to the large subunit of RPA. ATR activation typically leads to activation of the ...

journal_title：Journal of virology

authors： Adeyemi RO,Pintel DJ

更新日期：2014-09-01 00:00:00

abstract：:The varicella-zoster virus (VZV) open reading frame 54 (ORF54) gene encodes an 87-kDa monomer that oligomerizes to form the VZV portal protein, pORF54. pORF54 was hypothesized to perform a function similar to that of a previously described herpes simplex virus 1 (HSV-1) homolog, pUL6. pUL6 and the associated viral ter...

journal_title：Journal of virology

authors： Visalli MA,House BL,Selariu A,Zhu H,Visalli RJ

更新日期：2014-07-01 00:00:00

abstract：:The characteristics of a rotaviruslike (SBR) virus isolated from striped bass (Morone saxatilis) were examined following purification of viruses from infected cell cultures. Virions had a double-layered capsid of icosahedral symmetry and a diameter of 75 nm. Purified viruses contained five polypeptides ranging in mole...

journal_title：Journal of virology

authors： Samal SK,Dopazo CP,McPhillips TH,Baya A,Mohanty SB,Hetrick FM

更新日期：1990-11-01 00:00:00

abstract：:Herpes simplex virus 1 genome consists of two covalently linked components, L and S, that invert relative to each other to yield four equimolar isomeric populations designated P (prototype), Is (inversion of S component), Il (inversion of L component), and Ils (inversion of L and S components) differing in the orienta...

journal_title：Journal of virology

authors： Jenkins FJ,Roizman B

更新日期：1986-08-01 00:00:00