Functional analysis of bipartite begomovirus coat protein promoter sequences.

abstract：:Binding of simian virus 40 (SV40) large T antigen to human and calf thymus topoisomerase I (topo I) was readily detected by using modified enzyme-linked immunosorbent assays and immunoblots. In addition to WT T antigen, binding could also be readily demonstrated with T antigen fragments from the amino-terminal region ...

journal_title：Virology

authors： Simmons DT,Melendy T,Usher D,Stillman B

更新日期：1996-08-15 00:00:00

abstract：:Cryphonectria parasitica, the causal agent of chestnut blight is controlled in Europe through natural spread of Cryphonectria hypovirus 1 (CHV1), a mycovirus able to induce hypovirulence to the host. In recent years C. parasitica was reported infecting Azerbaijani population of chestnut, but the presence of CHV1 still...

journal_title：Virology

authors： Forgia M,Isgandarli E,Aghayeva DN,Huseynova I,Turina M

更新日期：2021-01-15 00:00:00

abstract：:Clade 2.3.4.4 H5N8 highly pathogenic avian influenza viruses (HPAIVs) have spread worldwide. Phylogenetic analysis identified two genetic groups of the H5N8 HPAIVs in South Korea; group A evolved further into four subgroups. Here, we examined the zoonotic potential, both in vivo and in vitro, of genetically distinct s...

journal_title：Virology

authors： Lee YN,Lee EK,Song BM,Heo GB,Woo SH,Cheon SH,Lee YJ

更新日期：2018-03-01 00:00:00

abstract：:Five plaque-forming viruses (Pbi viruses) of the unicellular, eukaryotic, exsymbiotic Chlorella-like green alga strain Pbi were isolated from fresh water collected in Germany. The viruses were compared to two previously characterized plaque-forming viruses (NC64A viruses) of Chlorella strain NC64A. The Pbi viruses do ...

journal_title：Virology

authors： Reisser W,Burbank DE,Meints SM,Meints RH,Becker B,Van Etten JL

更新日期：1988-11-01 00:00:00

abstract：:3H-labelled complementary DNA (cDNA) was reverse transcribed from the RNA of three biologically distinct isolates of bean yellow mosaic virus (BYMV-G, Q, and S) by the random primer method of Taylor et al. [Biochim. Biophys. Acta 442, 324-330 (1976)]. Excess virus RNA was hybridized with each of the cDNAs and percenta...

journal_title：Virology

authors： Abu-Samah N,Randles JW

更新日期：1981-04-30 00:00:00

abstract：:In this study, we show that adenoviral infection induced accumulation of the sphingolipid ceramide in a dose- and time-dependent manner. This accumulation preceded cell lysis, occurred in the absence of biochemical evidence of apoptosis, and was derived from de novo synthesis of ceramide. An adenovirus mutant that lac...

journal_title：Virology

authors： Kanj SS,Dandashi N,El-Hed A,Harik H,Maalouf M,Kozhaya L,Mousallem T,Tollefson AE,Wold WS,Chalfant CE,Dbaibo GS

更新日期：2006-02-05 00:00:00

abstract：:Antisera with Fiji disease virus (FDV) protein-specific and double-stranded (ds) RNA-specific antibodies were prepared by injecting rabbits with highly purified preparations of FDV cores. Electron microscopic examination of negatively stained core preparations disclosed the presence of icosahedral particles, about 54 ...

journal_title：Virology

authors： van der Lubbe JL,Hatta T,Francki RI

更新日期：1979-06-01 00:00:00

abstract：:When recombinant plasmids containing the entire adeno-associated virus (AAV) genome are transfected into permissive cells infected with a helper adenovirus, infectious AAV particles are efficiently generated. These plasmids can be used to generate mutant AAV genomes or recombinant AAV vectors. Packaging of mutant AAV ...

journal_title：Virology

authors： Chejanovsky N,Carter BJ

更新日期：1989-07-01 00:00:00

abstract：:We evaluated the immunogenicity and protective activity of plasmid DNA vaccines encoding the influenza virus NP gene (pNP) alone or in combination with the herpes simplex virus type 1 protein 22 gene (pVP22). Optimal immune responses were observed in BALB/c mice immunized with the combination of pVP22 plus pNP, as ass...

journal_title：Virology

authors： Saha S,Yoshida S,Ohba K,Matsui K,Matsuda T,Takeshita F,Umeda K,Tamura Y,Okuda K,Klinman D,Xin KQ,Okuda K

更新日期：2006-10-10 00:00:00

abstract：:Viral functions essential for the establishment of latent infection in murine sensory neurons in vivo were investigated by employing a herpes simplex virus type 1 (HSV-1) variant (KD6/B11) deleted for expression of the ICP4 gene and therefore unable to replicate. Since the viral DNA persisted in these cells, the laten...

journal_title：Virology

authors： Sedarati F,Margolis TP,Stevens JG

更新日期：1993-02-01 00:00:00

abstract：:Long-term persistent infections were established with the flavivirus, West Nile virus (WNV), strain E101, in embryofibroblast cultures derived from susceptible C3H/HE and congenic-resistant C3H/RV mice. Cultures were initially maintained by weekly subculture at 37 degrees, but at passage 6 sister cultures were shifted...

journal_title：Virology

authors： Brinton MA,Davis J,Schaefer D

更新日期：1985-01-15 00:00:00

abstract：:From previously constructed genomic libraries of a Taiwan WSSV isolate, a putative WSSV tk-tmk gene was identified. Uniquely, the open reading frame (ORF) of this gene was predicted to encode a novel chimeric protein of 388 amino acids with significant homology to two proteins: thymidine kinase (TK) and thymidylate ki...

journal_title：Virology

authors： Tsai MF,Yu HT,Tzeng HF,Leu JH,Chou CM,Huang CJ,Wang CH,Lin JY,Kou GH,Lo CF

更新日期：2000-11-10 00:00:00

abstract：:Vaccinia virus DNA ligase has been expressed in Escherichia coli, purified, and biochemically characterized. The enzyme ligates double-stranded (ds) DNA substrates with either cohesive or blunt-end termini and the latter reaction is stimulated by PEG. Vaccinia virus DNA ligase can also ligate oligo(dT) when annealed t...

journal_title：Virology

authors： Odell M,Kerr SM,Smith GL

更新日期：1996-07-01 00:00:00

abstract：:We compared the levels of the Ski oncoprotein, an inhibitor of transforming growth factor-beta (TGF-β) signaling, in normal human keratinocytes (HKc), HPV16 immortalized HKc (HKc/HPV16), and differentiation resistant HKc/HPV16 (HKc/DR) in the absence and presence of TGF-β. Steady-state Ski protein levels increased in ...

journal_title：Virology

authors： Chen Y,Pirisi L,Creek KE

更新日期：2013-09-01 00:00:00

abstract：:Human papillomavirus (HPV) DNA is preferentially found in spontaneous abortions, specifically residing in trophoblasts, and transfected HPV-16 DNA replicates and produces progeny in 3A trophoblasts in culture. In this study 3A trophoblasts were shown to display both HPV receptors and infection by HPV-31b and HPV-6 vir...

journal_title：Virology

authors： You H,Liu Y,Agrawal N,Prasad CK,Chiriva-Internati M,Lowery CL,Kay HH,Hermonat PL

更新日期：2003-11-25 00:00:00

abstract：:The nucleotide sequence of two variants of coconut tinangaja viroid (CTiV) were obtained. Both sequence variants are 254 nucleotide residues in size but differ in sequence at two positions. In comparisons with other viroids, the sequences and proposed secondary structure of CTiV show most homology with the 246 nucleot...

journal_title：Virology

authors： Keese P,Osorio-Keese ME,Symons RH

更新日期：1988-02-01 00:00:00

abstract：:Resistance to lethal encephalitis in mice infected with HSV-1 via the oral mucosa is mouse strain dependent. In susceptible BALB/c, HSV-1 spreads throughout the CNS but in resistant BL/6 mice, virus is restricted to the brainstem. To examine the contribution of cellular immunity in restricting viral spread, we used a ...

journal_title：Virology

authors： Kastrukoff LF,Lau AS,Takei F,Smyth MJ,Jones CM,Clarke SR,Carbone FR

更新日期：2010-05-10 00:00:00

abstract：:Viral loads were investigated in SIVmnd-1 chronically infected mandrills and the results were compared with those previously observed in other nonpathogenic natural SIV infections. Four naturally and 11 experimentally SIVmnd-1-infected mandrills from a semi-free-ranging colony were studied during the chronic phase of ...

journal_title：Virology

authors： Pandrea I,Onanga R,Kornfeld C,Rouquet P,Bourry O,Clifford S,Telfer PT,Abernethy K,White LT,Ngari P,Müller-Trutwin M,Roques P,Marx PA,Simon F,Apetrei C

更新日期：2003-12-05 00:00:00

abstract：:The guinea pig cytomegalovirus (GPCMV) co-linear gene and potential functional homolog of HCMV UL84 (GP84) was investigated. The GP84 gene had delayed early transcription kinetics and transient expression studies of GP84 protein (pGP84) demonstrated that it targeted the nucleus and co-localized with the viral DNA poly...

journal_title：Virology

authors： McGregor A,Choi KY,Schleiss MR

更新日期：2011-02-05 00:00:00

abstract：:Circomics was coined to describe the combination of rolling circle amplification (RCA), restriction fragment length polymorphism (RFLP) and pyro-sequencing to investigate the genome structures of small circular DNAs. A batch procedure is described using 61 plant samples from Asia, South America and Central America whi...

journal_title：Virology

authors： Wyant PS,Strohmeier S,Schäfer B,Krenz B,Assunção IP,Lima GS,Jeske H

更新日期：2012-06-05 00:00:00

abstract：:Tomato strain L of tobacco mosaic virus (TMV-L) induces a hypersensitive response (necrotic local lesions) on tobacco plants with the N' gene. A factor responsible for induction of the hypersensitive response has been mapped to the coat protein gene. We have constructed several mutants which have insertions or deletio...

journal_title：Virology

authors： Saito T,Yamanaka K,Watanabe Y,Takamatsu N,Meshi T,Okada Y

更新日期：1989-11-01 00:00:00

abstract：:Although v-src, the oncogene of Rous sarcoma virus, has been shown to be capable of inducing lethal tumors at visceral sites distal to the primary tumor mass, the mechanisms opposing visceral tumor formation remain to be elucidated. In the present study, we show that visceral tumors, many of which represent a metastas...

journal_title：Virology

authors： Halpern MS,Wisner TW,Brown IP,England JM

更新日期：1993-11-01 00:00:00

abstract：:The adenovirus (Ad) single-stranded DNA binding protein (DBP) is a multifunctional protein. It is thought to consist of two domains, the amino-terminal domain involved in host-range determination and the carboxyl-terminal domain functioning in DNA replication and DNA binding. We have determined the nucleotide sequence...

journal_title：Virology

authors： Vos HL,van der Lee FM,Reemst AM,van Loon AE,Sussenbach JS

更新日期：1988-03-01 00:00:00

abstract：:Gene transfer approaches using viruses such human adenovirus (HAdV) may provide an alternative treatment for diseases involving hematopoietic cells. Better understanding of the cellular mechanisms by which the HAdV introduces DNA into these cells should help in vector design. We examined HAdV intracellular delivery in...

journal_title：Virology

authors： Colin M,Renaut L,Mailly L,D'Halluin JC

更新日期：2004-03-01 00:00:00

abstract：:We have studied the population dynamics in response to selective drug pressure of mixtures of wild-type and mutant HIV viruses exposed to either an inhibitor of the viral protease or a nonnucleoside allosteric inhibitor of the viral reverse transcriptase. In order to quantitate mutant virus present in a mixed populati...

journal_title：Virology

authors： Rayner MM,Cordova B,Jackson DA

更新日期：1997-09-15 00:00:00

abstract：:We recently showed that E6 protein of human papillomavirus (HPV) 16, a mucosal high-risk α-PV type, can potentiate Wnt/β-catenin/TCF signaling. Here we investigated the transcriptional activities of E6 proteins of cutaneous HPV types from the β and α genera. Results from reporter-gene assays showed that similar to HPV...

journal_title：Virology

authors： Sominsky S,Shterzer N,Jackman A,Shapiro B,Yaniv A,Sherman L

更新日期：2017-09-01 00:00:00

abstract：:Rotavirus infection was studied in adult nude mice (BALB/c background), alpha beta or gamma delta and alpha beta/gamma delta T cell receptor (TCR) knockout (-/-) mice (C57BL/6 and C57BL/6 x 129 backgrounds), and SCID mice (C57BL/6 background). The gamma delta TCR -/- mice cleared infection just like control mice. All ...

journal_title：Virology

authors： Franco MA,Greenberg HB

更新日期：1997-11-24 00:00:00

abstract：:Serial passage of Ross River virus in chick embryo fibroblasts selected for virus variants altered in their reactions to neutralizing monoclonal antibodies. The E1 and E2 genes of each antigenic variant were sequenced; single nucleotide changes were found in E2 leading to amino acid substitutions at either residue 4 (...

journal_title：Virology

authors： Kerr PJ,Weir RC,Dalgarno L

更新日期：1993-03-01 00:00:00

abstract：:Two novel halophilic archaebacterial bacteriophages, HF1 and HF2, were isolated from an Australian solar saltern. They were morphologically identical with icosahedral-shaped heads (diameter 58 nm) and contractile tails (length 94 nm). Other similarities included sensitivity to reduced ionic conditions, similar protein...

journal_title：Virology

authors： Nuttall SD,Dyall-Smith ML

更新日期：1993-12-01 00:00:00

abstract：:We report the discovery of Nylanderia fulva virus 1 (NfV-1), the first virus identified and characterized from the ant, Nylanderia fulva. The NfV-1 genome (GenBank accession KX024775) is 10,881 nucleotides in length, encoding one large open reading frame (ORF). Helicase, protease, RNA-dependent RNA polymerase, and jel...

journal_title：Virology

authors： Valles SM,Oi DH,Becnel JJ,Wetterer JK,LaPolla JS,Firth AE

更新日期：2016-09-01 00:00:00