Detection of polymorphism in BALB/c leukemia viruses with mouse antisera.

abstract：:To clarify the role of core protein phosphorylation in pregenomic-RNA encapsidation of human and duck hepatitis B viruses (HBV and DHBV, respectively), we have examined the phosphorylation states of different forms of intracellular HBV core protein and the phenotypic effects of mutations in the phosphorylation sites o...

journal_title：Journal of virology

authors： Gazina EV,Fielding JE,Lin B,Anderson DA

更新日期：2000-05-01 00:00:00

abstract：:T-cell epitopes on the E2 protein of rubella virus were studied by using 15 overlapping synthetic peptides covering the E2 protein sequence. The most frequently recognized epitopes on E2 were E2-4 (residues 54 to 74), with 5 of 10 tested T-cell lines responding to it. Two CD4+ cytotoxic T-cell cloned isolated from one...

journal_title：Journal of virology

authors： Ou D,Chong P,Choi Y,McVeigh P,Jefferies WA,Koloitis G,Tingle AJ,Gillam S

更新日期：1992-11-01 00:00:00

abstract：:Effectively recognizing invading viruses and subsequently inducing innate antiviral immunity are essential for host antiviral defense. Although these processes are closely regulated by the host to maintain immune balance, viruses have evolved the ability to downregulate or upregulate these processes for their survival...

journal_title：Journal of virology

authors： Xu T,Chu Q,Cui J,Bi D

更新日期：2018-01-02 00:00:00

abstract：:The nr allele at the mouse Fv1 restriction locus governs resistance to B-tropic and some N-tropic murine leukemia viruses (MLVs). Sequence analysis and site-specific mutagenesis of N-tropic MLVs identified a single amino acid difference responsible for this restriction that is distinct from the site that governs N or ...

journal_title：Journal of virology

authors： Jung YT,Kozak CA

更新日期：2000-06-01 00:00:00

abstract：:Previous analyses using in situ hybridization alone or together with PCR have yielded conflicting results regarding the cell type in which latent varicella-zoster virus (VZV) resides. We separated human trigeminal ganglia (TG) into neuronal and nonneuronal fractions, followed by primary and nested PCR to quantitate VZ...

journal_title：Journal of virology

authors： LaGuardia JJ,Cohrs RJ,Gilden DH

更新日期：1999-10-01 00:00:00

abstract：:The Kresse strain of porcine parvovirus (PPV) was cloned into pUC19, and independent infectious clones were sequenced. The PPV Kresse and NADL-2 strains, which have different pathogenicities, shared an identical genomic organization and a high degree of sequence identity. Partial genomes (1.5 or 1.6 kb) of 15 field is...

journal_title：Journal of virology

authors： Bergeron J,Hébert B,Tijssen P

更新日期：1996-04-01 00:00:00

abstract：:Two panels of monoclonal antibodies (MAbs) specific for the influenza A virus PA and PB2 polypeptides have been obtained from mice immunized with denatured proteins produced in Escherichia coli. All MAbs (13 specific for the PA polypeptide and 8 specific for the PB2 protein) reacted to the corresponding influenza viru...

journal_title：Journal of virology

authors： Bárcena J,Ochoa M,de la Luna S,Melero JA,Nieto A,Ortín J,Portela A

更新日期：1994-11-01 00:00:00

abstract：:We previously established a genetic assay for retroviral Gag polyprotein multimerization (J. Luban, K. B. Alin, K. L. Bossolt, T. Humaran, and S. P. Goff, J. Virol. 66:5157-5160, 1992). Here we use this assay to demonstrate homomeric interactions between Gag polyproteins encoded by six different retroviruses. Of the G...

journal_title：Journal of virology

authors： Franke EK,Yuan HE,Bossolt KL,Goff SP,Luban J

更新日期：1994-08-01 00:00:00

abstract：:The 86-kDa IE2 protein (IE86) of human cytomegalovirus (HCMV) can act as both an activator and a repressor of gene expression. The mechanisms for both of these functions are not well defined. It has recently been demonstrated that this protein has sequence-specific DNA binding properties: it interacts directly with a ...

journal_title：Journal of virology

authors： Arlt H,Lang D,Gebert S,Stamminger T

更新日期：1994-07-01 00:00:00

abstract：:Herpes simplex virus type 1 (HSV-1) B capsids are composed of seven proteins, designated VP5, VP19C, 21, 22a, VP23, VP24, and VP26 in order of decreasing molecular weight. Three proteins (21, 22a, and VP24) are encoded by a single open reading frame (ORF), UL26, and include a protease whose structure and function have...

journal_title：Journal of virology

authors： Desai P,Watkins SC,Person S

更新日期：1994-09-01 00:00:00

abstract：:Extracts made from human respiratory syncytial virus (RSV)-infected Hep-2 cells synthesized mRNAs encoded by all known viral genes. In contrast, RSV ribonucleoproteins purified from infected cells failed to transcribe in vitro; transcription was restored by addition of a cytoplasmic extract of uninfected Hep-2 cells, ...

journal_title：Journal of virology

authors： Barik S

更新日期：1992-11-01 00:00:00

abstract：:In this study, we investigated the expression levels of host restriction factors in six untreated HIV-1-positive patients over the course of infection. We found that the host restriction factor gene expression profile consistently increased over time and was significantly associated with CD4+ T cell activation and vir...

journal_title：Journal of virology

authors： Raposo RA,Abdel-Mohsen M,Deng X,Hecht FM,Pilcher CD,Pillai SK,Nixon DF

更新日期：2014-10-01 00:00:00

abstract：UNLABELLED:Foreskin is the principal site of heterosexual HIV-1 infection in men. However, little is known about HIV-1-specific immune responses or inflammation in foreskin. To the best of our knowledge, no previous studies have assessed immune responses to candidate HIV-1 vaccines in foreskin. Using the rhesus monkey ...

journal_title：Journal of virology

authors： Balandya E,Miller AD,Beck M,Liu J,Li H,Borducchi E,Smith K,Cabral C,Stanley K,Maxfield LF,Barouch DH

更新日期：2014-04-01 00:00:00

abstract：:Nonstructural protein 5B (NS5B) of hepatitis C virus (HCV) possesses an RNA-dependent RNA polymerase activity responsible for viral genome RNA replication. Despite several reports on the characterization of this essential viral enzyme, little is known about the reaction pathway of NS5B-catalyzed nucleotide incorporati...

journal_title：Journal of virology

authors： Zhong W,Ferrari E,Lesburg CA,Maag D,Ghosh SK,Cameron CE,Lau JY,Hong Z

更新日期：2000-10-01 00:00:00

abstract：:The RNA-dependent RNA polymerase of influenza A virus is responsible for both transcription and replication of negative-sense viral RNA. It is thought that a "switching" mechanism regulates the transition between these activities. We demonstrate that, in the presence of preexisting viral RNA polymerase and nucleoprote...

journal_title：Journal of virology

authors： Vreede FT,Jung TE,Brownlee GG

更新日期：2004-09-01 00:00:00

abstract：:Picornaviruses are a family of positive-strand RNA viruses that are responsible for a variety of devastating human and animal diseases. An attenuated strain of mengovirus (vMC24) is serologically indistinguishable from the lethal murine wild-type mengovirus and encephalomyocarditis virus (EMCV). Immunogen-specific sti...

journal_title：Journal of virology

authors： Neal ZC,Splitter GA

更新日期：1995-08-01 00:00:00

abstract：:High concentrations of either trypsin or chymotrypsin caused nearly complete cleavage of capsid protein VP2 of hepatitis A virus but did not significantly reduce the infectivity, thermostability, or antigenicity of the virus. Chymotrypsin also had a lesser effect on VP1. These findings indicate the presence of a prote...

journal_title：Journal of virology

authors： Lemon SM,Amphlett E,Sangar D

更新日期：1991-10-01 00:00:00

abstract：:Middle East respiratory syndrome coronavirus (MERS-CoV) causes severe acute respiratory infection with as yet unclear epidemiology. We previously showed that MERS-CoV counteracts parts of the innate immune response in human bronchiolar cells. Here we analyzed accessory proteins 3, 4a, 4b, and 5 for their abilities to ...

journal_title：Journal of virology

authors： Niemeyer D,Zillinger T,Muth D,Zielecki F,Horvath G,Suliman T,Barchet W,Weber F,Drosten C,Müller MA

更新日期：2013-11-01 00:00:00

abstract：:The efficiency of processing of polyoma viral RNA and of its export from nucleus to cytoplasm was measured in primary mouse kidney cells by comparing the initial rates of incorporation of [3H]uridine into cytoplasmic and nuclear viral RNA. Appropriate methods of cell fractionation were chosen to maximize yields of cyt...

journal_title：Journal of virology

authors： Acheson NH

更新日期：1981-02-01 00:00:00

abstract：:The ability of the 3A protein of coxsackievirus B (CVB) to inhibit protein secretion was investigated for this study. Here we show that the ectopic expression of CVB 3A blocked the transport of both the glycoprotein of vesicular stomatitis virus, a membrane-bound secretory marker, and the alpha-1 protease inhibitor, a...

journal_title：Journal of virology

authors： Wessels E,Duijsings D,Notebaart RA,Melchers WJ,van Kuppeveld FJ

更新日期：2005-04-01 00:00:00

abstract：:The enhancer of human papillomavirus type 16 (HPV-16) is considered to be specific for epithelial cells, in particular for cervical carcinoma-derived cell lines. We reexamined this hypothesis with the complete enhancer as well as nonoverlapping subclones and found all clones to be active in epithelial cell lines deriv...

journal_title：Journal of virology

authors： Chong T,Apt D,Gloss B,Isa M,Bernard HU

更新日期：1991-11-01 00:00:00

abstract：:The human cytomegalovirus (HCMV) major immediate-early (MIE) enhancer contains five functional cyclic AMP (cAMP) response elements (CRE). Because the CRE in their native context do not contribute appreciably to MIE enhancer/promoter activity in lytically infected human fibroblasts and NTera2 (NT2)-derived neurons, we ...

journal_title：Journal of virology

authors： Keller MJ,Wu AW,Andrews JI,McGonagill PW,Tibesar EE,Meier JL

更新日期：2007-06-01 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus (KSHV) is the infectious cause of Kaposi's sarcoma, primary effusion lymphoma, and plasmablastic multicentric Castleman's disease. STAT3 has been shown to be important for the maintenance of primary effusion lymphoma cells in culture and is chronically activated in many tumor ce...

journal_title：Journal of virology

authors： Punjabi AS,Carroll PA,Chen L,Lagunoff M

更新日期：2007-03-01 00:00:00

abstract：:Rinderpest virus is a morbillivirus and is the causative agent of a widespread and important disease of cattle. The viral genome is a single strand of RNA in the negative sense. We have constructed plasmids containing cDNA copies of the 5' and 3' termini of the virus separated by a reporter gene and have shown that an...

journal_title：Journal of virology

authors： Baron MD,Barrett T

更新日期：1997-02-01 00:00:00

abstract：:Simian virus 40 tumor (T) antigen, an established viral oncoprotein, causes alterations in cell growth control through interacting with, and altering the function of, cellular proteins. To examine the effects of T antigen on cell growth control, and to identify the cellular proteins with which it may functionally inte...

journal_title：Journal of virology

authors： Nacht M,Reed SI,Alwine JC

更新日期：1995-02-01 00:00:00

abstract：:Phosphorylation of the murine mammary tumor virus (MuMTV) structural proteins was studied in an MuMTV-infected epithelial cell line derived from a BALB/cf C3H mouse mammary tumor. Immunoprecipitation of 32P-labeled cell extracts with monospecific anti-p27 serum revealed that phosphorylation occurred at the stage of th...

journal_title：Journal of virology

authors： Racevskis J,Sarkar NH

更新日期：1979-04-01 00:00:00

abstract：:RNA silencing is a conserved eukaryotic gene regulatory system in which sequence specificity is determined by small RNAs. Plant RNA silencing also acts as an antiviral mechanism; therefore, viral infection requires expression of a silencing suppressor. The mechanism and the evolution of silencing suppression are still...

journal_title：Journal of virology

authors： Mérai Z,Kerényi Z,Molnár A,Barta E,Válóczi A,Bisztray G,Havelda Z,Burgyán J,Silhavy D

更新日期：2005-06-01 00:00:00

abstract：:Virus-induced cell fusion of the fusion-from-without type was observed in SC-1 cells infected with Moloney murine leukemia virus when grown in NIH 3T3 cells. Replication-competent virus mutants with altered surface protein gp70 were examined. Fusion mutations were found in the proline-rich region of gp70. They acted o...

journal_title：Journal of virology

authors： Andersen KB

更新日期：1994-05-01 00:00:00

abstract：:Yellow fever virus (YFV), a member of the Flavivirus genus, has a plus-sense RNA genome encoding a single polyprotein. Viral protein NS3 includes a protease and a helicase that are essential to virus replication and to RNA capping. The 1.8-A crystal structure of the helicase region of the YFV NS3 protein includes resi...

journal_title：Journal of virology

authors： Wu J,Bera AK,Kuhn RJ,Smith JL

更新日期：2005-08-01 00:00:00

abstract：:With the rationale that the neuropathological similarities between scrapie and Alzheimer's disease reflect convergent pathological mechanisms involving altered gene expression, we set out to identify molecular events involved in both processes, using scrapie as a model to study the time course of these changes. We dif...

journal_title：Journal of virology

authors： Diedrich JF,Minnigan H,Carp RI,Whitaker JN,Race R,Frey W 2nd,Haase AT

更新日期：1991-09-01 00:00:00