Analysis of human immunodeficiency virus type 1 nef gene sequences present in vivo.

abstract：:Vaccinia virus does not grow in Chinese hamster ovary (CHO-K1) cells in the absence of a viral host range factor, cowpox protein CP77. In this study, CP77 was fused to the C terminus of green fluorescence protein (GFP-CP77) and a series of nested deletion mutants of GFP-CP77 was constructed for insertion into a vaccin...

journal_title：Journal of virology

authors： Hsiao JC,Chao CC,Young MJ,Chang YT,Cho EC,Chang W

更新日期：2006-08-01 00:00:00

abstract：:Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of PRRS, which has important impacts on the pig industry. PRRSV infection results in disruption of the swine leukocyte antigen class I (SLA-I) antigen presentation pathway. In this study, highly pathogenic PRRSV (HP-PRRSV) infection inh...

journal_title：Journal of virology

authors： Qi P,Liu K,Wei J,Li Y,Li B,Shao D,Wu Z,Shi Y,Tong G,Qiu Y,Ma Z

更新日期：2017-02-14 00:00:00

abstract：:Viral hemorrhagic septicemia virus (VHSV) infections cause high losses in cultured rainbow trout in Europe. Attempts to produce a recombinant vaccine based on the transmembrane glycoprotein (G protein) have indicated that proper folding is important for the antigenicity and immunogenicity of the protein. The present s...

journal_title：Journal of virology

authors： Einer-Jensen K,Krogh TN,Roepstorff P,Lorenzen N

更新日期：1998-12-01 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus (KSHV) encodes a cluster of 12 microRNAs (miRNAs) that are processed from a transcript that is embedded within the major latency control region. We have generated a deletion mutation that eliminates 10 of the 12 viral miRNAs from the KSHV bacmid by using recombineering methods. ...

journal_title：Journal of virology

authors： Lu F,Stedman W,Yousef M,Renne R,Lieberman PM

更新日期：2010-03-01 00:00:00

abstract：:Mouse cytomegalovirus (MCMV) encodes two potential seven-transmembrane-spanning proteins with homologies to cellular chemokine receptors, M33 and M78. While these virus-encoded chemokine receptors are necessary for the in vivo pathogenesis of MCMV, the function of these proteins is unknown. Since vascular smooth muscl...

journal_title：Journal of virology

authors： Melnychuk RM,Smith P,Kreklywich CN,Ruchti F,Vomaske J,Hall L,Loh L,Nelson JA,Orloff SL,Streblow DN

更新日期：2005-08-01 00:00:00

abstract：:We examined the 5' ends of Hantaan virus (HTN) genomes and mRNAs to gain insight into the manner in which these chains were initiated. Like those of all members of the family Bunyaviridae described so far, the HTN mRNAs contained 5' terminal extensions that were heterogeneous in both length and sequence, presumably be...

journal_title：Journal of virology

authors： Garcin D,Lezzi M,Dobbs M,Elliott RM,Schmaljohn C,Kang CY,Kolakofsky D

更新日期：1995-09-01 00:00:00

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：: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：: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：:Type III interferons (IFNs) (interleukin-28/29 or lambda interferon [IFN-lambda]) are cytokines with IFN-like activities. Here we show that several classes of viruses induce expression of IFN-lambda1 and -lambda2/3 in similar patterns. The IFN-lambdas were-unlike alpha/beta interferon (IFN-alpha/beta)-induced directly...

journal_title：Journal of virology

authors： Ank N,West H,Bartholdy C,Eriksson K,Thomsen AR,Paludan SR

更新日期：2006-05-01 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：:SF162 is a primary (PR), non-syncytium-inducing, macrophagetropic human immunodeficiency virus type 1 (HIV-1) clade B isolate which is resistant to antibody-mediated neutralization. Deletion of the first or second hypervariable envelope gp120 region (V1 or V2 loop, respectively) of this virus does not abrogate its abi...

journal_title：Journal of virology

authors： Stamatatos L,Cheng-Mayer C

更新日期：1998-10-01 00:00:00

abstract：:Simian immunodeficiency virus (SIV) and human immunodeficiency virus (HIV) infections lead to rapid depletion of CD4(+) T cells from gut-associated lymphoid tissue (GALT). Although the administration of antiretroviral therapy (ART) has been shown to increase CD4(+) T-cell levels in the peripheral blood in both SIV and...

journal_title：Journal of virology

authors： George MD,Reay E,Sankaran S,Dandekar S

更新日期：2005-03-01 00:00:00

abstract：:The genetic diversity among globally circulating human immunodeficiency virus type 1 (HIV-1) strains is a serious challenge for HIV-1 vaccine design. We have generated a synthetic group M consensus env gene (CON6) for induction of cross-subtype immune responses and report here a comparative study of T-cell responses t...

journal_title：Journal of virology

authors： Weaver EA,Lu Z,Camacho ZT,Moukdar F,Liao HX,Ma BJ,Muldoon M,Theiler J,Nabel GJ,Letvin NL,Korber BT,Hahn BH,Haynes BF,Gao F

更新日期：2006-07-01 00:00:00

abstract：:The human immunodeficiency virus type 1 Tat protein binds to an RNA stem-loop structure called TAR which is present at the 5' end of all human immunodeficiency virus type 1 transcripts. This binding is centered on a bulge within the stem of TAR and is an essential step in the trans-activation process which results in ...

journal_title：Journal of virology

authors： Sumner-Smith M,Roy S,Barnett R,Reid LS,Kuperman R,Delling U,Sonenberg N

更新日期：1991-10-01 00:00:00

abstract：:Human cytomegalovirus (HCMV) infection of monocyte-derived macrophages (MDM) results in delayed and nonlytic productive viral growth. During late stages of replication, infectious virus remains cell associated in cytoplasmic vacuoles. In order to understand HCMV survival and persistence in MDM, we examined mechanisms ...

journal_title：Journal of virology

authors： Fish KN,Britt W,Nelson JA

更新日期：1996-03-01 00:00:00

abstract：:Innate immunity provides an immediate defense against infection after host cells sense danger signals from microbes. Endoplasmic reticulum (ER) stress arises from accumulation of misfolded/unfolded proteins when protein load overwhelms the ER folding capacity, which activates the unfolded protein response (UPR) to res...

journal_title：Journal of virology

authors： Frabutt DA,Wang B,Riaz S,Schwartz RC,Zheng YH

更新日期：2017-12-14 00:00:00

abstract：:Influenza A viruses (IAVs) cause seasonal epidemics and occasional pandemics, representing a serious public health concern. It has been described that one mechanism used by some IAV strains to escape the host innate immune responses and modulate virus pathogenicity involves the ability of the PA-X and NS1 proteins to ...

journal_title：Journal of virology

authors： Nogales A,Rodriguez L,DeDiego ML,Topham DJ,Martínez-Sobrido L

更新日期：2017-08-10 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：:Immunosuppressed patients are at risk for developing Epstein-Barr Virus (EBV)-positive lymphomas that express the major EBV oncoprotein, LMP1. Although increasing evidence suggests that a small number of lytically infected cells may promote EBV-positive lymphomas, the impact of enhanced lytic gene expression on the ab...

journal_title：Journal of virology

authors： Ma SD,Yu X,Mertz JE,Gumperz JE,Reinheim E,Zhou Y,Tang W,Burlingham WJ,Gulley ML,Kenney SC

更新日期：2012-08-01 00:00:00

abstract：:Host cell tRNAs are recruited for use as primers to initiate reverse transcription in retroviruses. Human immunodeficiency virus type 1 (HIV-1) uses tRNA(Lys3) as the replication primer, whereas Rous sarcoma virus (RSV) uses tRNA(Trp). The nucleic acid (NA) chaperone function of the nucleocapsid (NC) domain of HIV-1 G...

journal_title：Journal of virology

authors： Rye-McCurdy TD,Nadaraia-Hoke S,Gudleski-O'Regan N,Flanagan JM,Parent LJ,Musier-Forsyth K

更新日期：2014-07-01 00:00:00

abstract：:The activity of phosphatidylinositol 4-kinase class III beta (PI4KIIIβ) has been shown to be required for the replication of multiple picornaviruses; however, it is unclear whether a physical association between PI4KIIIβ and the viral replication machinery exists and, if it does, whether association is necessary. We e...

journal_title：Journal of virology

authors： Greninger AL,Knudsen GM,Betegon M,Burlingame AL,Derisi JL

更新日期：2012-04-01 00:00:00

abstract：:Radioimmunoassays were developed for the 19,000, 15,000, and 12,000 molecular weight polypeptides of avian myeloblastosis virus and for the 19,000 and 12,000 polypeptides of RAV-0, a subgroup E avian tumor virus. Each polypeptide was shown to possess both group- and type-specific antigenic determinants, in contrast to...

journal_title：Journal of virology

authors： Stephenson JR,Smith EJ,Crittenden LB,Aaronson SA

更新日期：1975-07-01 00:00:00

abstract：:Detailed phylogenetic analyses were performed to characterize an HIV-1 outbreak among injection drug users (IDUs) in Stockholm, Sweden, in 2006. This study investigated the source and dynamics of HIV-1 spread during the outbreak as well as associated demographic and clinical factors. Seventy Swedish IDUs diagnosed dur...

journal_title：Journal of virology

authors： Skar H,Axelsson M,Berggren I,Thalme A,Gyllensten K,Liitsola K,Brummer-Korvenkontio H,Kivelä P,Spångberg E,Leitner T,Albert J

更新日期：2011-01-01 00:00:00

abstract：:The human immunodeficiency virus type 1 Vpu protein is a 16-kDa phosphoprotein which enhances the efficiency of virion production and induces rapid degradation of CD4, the cellular receptor for human immunodeficiency virus. The topology of membrane-inserted Vpu was investigated by using in vitro-synthesized Vpu cotran...

journal_title：Journal of virology

authors： Maldarelli F,Chen MY,Willey RL,Strebel K

更新日期：1993-08-01 00:00:00

abstract：:TT virus (TTV) is a recently identified widespread DNA virus of humans that produces persistent viremia in the absence of overt clinical manifestations. In an attempt to shed light on the dynamics of chronic infection, we measured the levels of TTV in the plasma of 25 persistently infected patients during the first 3 ...

journal_title：Journal of virology

authors： Maggi F,Pistello M,Vatteroni M,Presciuttini S,Marchi S,Isola P,Fornai C,Fagnani S,Andreoli E,Antonelli G,Bendinelli M

更新日期：2001-12-01 00:00:00

abstract：:Deletion mutants of bacteriphage T5 can be identified by analyzing the DNA content of single plaques, after alkaline denaturation, by agarose gel electrophoresis. Use of this procedure has resulted in the isolation of a new mutant, designated del2, that lacks a 1.6% segment located 68 to 70% from the left end of T5 DN...

journal_title：Journal of virology

authors： Rhoades M,Schwartz J,Wahl JM

更新日期：1980-11-01 00:00:00

abstract：:We have examined the pattern of RNA transcription on the L (late) DNA strand late in the simian virus 40 virus infectious cycle by separating pulse-labeled RNA chains according to size and hybridizing to an ordered series of DNA fragments obtained by restriction enzyme digestion. From this analysis, the 5' end of the ...

journal_title：Journal of virology

authors： Ford JP,Hsu MT

更新日期：1978-12-01 00:00:00

abstract：:The glycopeptides obtained by pronase digestion of two ecotropic strains of murine leukemia virus (MuLV) were compared by gel filtration. Four different glycopeptide size classes, designated G(1), G(2), G(3), and G(4), with molecular weights of approximately 5,100, 2,900, 2,200, and 1,500, respectively, were shown to ...

journal_title：Journal of virology

authors： Kemp MC,Basak S,Compans RW

更新日期：1979-07-01 00:00:00

abstract：:Rift Valley fever virus (RVFV), a phlebovirus of the family Bunyaviridae, is a major public health threat in Egypt and sub-Saharan Africa. The viral and host cellular factors that contribute to RVFV virulence and pathogenicity are still poorly understood. All pathogenic RVFV strains direct the synthesis of a nonstruct...

journal_title：Journal of virology

authors： Bouloy M,Janzen C,Vialat P,Khun H,Pavlovic J,Huerre M,Haller O

更新日期：2001-02-01 00:00:00