Myb protein binds to multiple sites in the human T cell lymphotropic virus type 1 long terminal repeat and transactivates LTR-mediated expression.

abstract：:Both the brome mosaic virus (BMV) and cowpea chlorotic mottle virus (CCMV) RNA-dependent RNA polymerases (RdRps) were found to recognize the BMV core subgenomic promoter in the same manner, requiring specific functional groups at positions -17, -14, -13, and -11 relative to the subgenomic initiation site (+1). For CCM...

journal_title：Virology

authors： Adkins S,Kao CC

更新日期：1998-12-05 00:00:00

abstract：:Lysolecithin permeabilization of vaccinia virus-infected cells was employed to prepare extracts that support faithful transcription initiation in vitro on plasmids possessing early, intermediate, and late viral gene promoters. Conditions which optimize transcription from each promoter were defined. The in vitro system...

journal_title：Virology

authors： Condit RC,Lewis JI,Quinn M,Christen LM,Niles EG

更新日期：1996-04-01 00:00:00

abstract：:In order to define factors involved in very late Autographa californica nucleopolyhedrovirus (AcMNPV) gene function, random mutagenesis of a baculovirus recombinant (AcUW1.lacZ) by 5'-bromodeoxyuridine treatment was performed. Five viruses were selected with deficiencies in very late gene expression. These were charac...

journal_title：Virology

authors： Merrington CL,Kitts PA,King LA,Possee RD

更新日期：1996-03-01 00:00:00

abstract：:The interaction of reovirus with the cytoskeleton was investigated. The soluble components of infected cells were extracted with the nonionic detergent NP-40 in a physiological buffer, and a cytoskeletal extract was prepared from the detergent-insoluble fraction. We observed a selective association of viral-specified ...

journal_title：Virology

authors： Mora M,Partin K,Bhatia M,Partin J,Carter C

更新日期：1987-08-01 00:00:00

abstract：:Many viruses activate the phosphatidylinositol 3-kinase (PI3K)-Akt signaling pathway, thereby modulating diverse downstream signaling pathways associated with antiapoptosis, proliferation, cell cycling, protein synthesis and glucose metabolism, in order to augment their replication. To date, the role of the PI3K-Akt p...

journal_title：Virology

authors： Xiao W,Yang Y,Weng Q,Lin T,Yuan M,Yang K,Pang Y

更新日期：2009-08-15 00:00:00

abstract：:Therapeutic immunization of HIV-1-infected individuals may induce and/or enhance HIV-1-specific immune responses and decrease the dependency on antiretroviral drug treatment. However, repeated immunizations with live-recombinant vectors may induce vector-specific immune responses that interfere with the elicitation of...

journal_title：Virology

authors： Hel Z,Nacsa J,Tsai WP,Thornton A,Giuliani L,Tartaglia J,Franchini G

更新日期：2002-12-05 00:00:00

abstract：:The envelope protein of yellow fever virus 17D (YFV-17D) contains a solvent-exposed RGD motif, which has led to the suggestion that integrins may function as cellular receptors for YFV-17D. We found that mutating the RGD motif to RGE had no effect on viral titers, whereas changing RGD to TGD, TGE, TAD, TAE, or RGS led...

journal_title：Virology

authors： van der Most RG,Corver J,Strauss JH

更新日期：1999-12-05 00:00:00

abstract：:Lentiviral vectors have gained much attention in recent years mainly because they integrate into nondividing host-cell genomes. For clinical applications, a safe and efficient lentiviral vector system is required. Previously, we have established a human immunodeficiency virus type 1 (HIV-1)-derived three-plasmid lenti...

journal_title：Virology

authors： Iwakuma T,Cui Y,Chang LJ

更新日期：1999-08-15 00:00:00

abstract：:Attenuated mutants of Venezuelan equine encephalitis virus (VEE) were isolated by selection for rapid penetration of cultured cells (R. E. Johnston and J. F. Smith, 1988, Virology 162, 437-443). Sequence analysis of these mutants identified candidate attenuating mutations at four loci in the VEE E2 glycoprotein gene: ...

journal_title：Virology

authors： Davis NL,Powell N,Greenwald GF,Willis LV,Johnson BJ,Smith JF,Johnston RE

更新日期：1991-07-01 00:00:00

abstract：:Although lentiviruses like HIV-1 are able to infect non-dividing cells, particular resting cells such as non-stimulated primary peripheral blood mononuclear cells (PBMC) are resistant to infection. In contrast to other lentiviruses, SIVsmmPBj can replicate in non-stimulated PBMC. Moreover, SIVsmmPBj-derived, but not H...

journal_title：Virology

authors： Wolfrum N,Mühlebach MD,Schüle S,Kaiser JK,Kloke BP,Cichutek K,Schweizer M

更新日期：2007-08-01 00:00:00

abstract：:Previous reports from our lab had shown that sera obtained from SIV(mac)-infected animals neutralized SIV(mac) infectivity in CD4(+) T cells but failed to protect monkey primary macrophages from infection with the virus. However, the antibodies could inhibit completion of the viral life cycle in the macrophages at the...

journal_title：Virology

authors： Zhuge W,Jia F,Mackay G,Kumar A,Narayan O

更新日期：2001-09-01 00:00:00

abstract：:Currently, little is known about the ankyrin/F-box protein B4. Here, we report that B4R-null viruses exhibited reduced plaque size in tissue culture, and decreased ability to spread, as assessed by multiple-step growth analysis. Electron microscopy indicated that B4R-null viruses still formed mature and extracellular ...

journal_title：Virology

authors： Burles K,Irwin CR,Burton RL,Schriewer J,Evans DH,Buller RM,Barry M

更新日期：2014-05-01 00:00:00

abstract：:The expression of type I murine interferon (MuIFN) genes and several other cellular genes was examined in poly rI.rC induced and Newcastle disease virus (NDV) infected mouse cells. Northern analysis of RNA from induced L cells revealed that the MuIFN-alpha s are expressed efficiently in NDV infected cells but only at ...

journal_title：Virology

authors： Kelley KA,Pitha PM

更新日期：1985-12-01 00:00:00

abstract：:Lloviu virus (LLOV), a phylogenetically divergent filovirus, is the proposed etiologic agent of die-offs of Schreibers's long-fingered bats (Miniopterus schreibersii) in western Europe. Studies of LLOV remain limited because the infectious agent has not yet been isolated. Here, we generated a recombinant vesicular sto...

journal_title：Virology

authors： Ng M,Ndungo E,Jangra RK,Cai Y,Postnikova E,Radoshitzky SR,Dye JM,Ramírez de Arellano E,Negredo A,Palacios G,Kuhn JH,Chandran K

更新日期：2014-11-01 00:00:00

abstract：:Equid herpesvirus-1 (EHV-1) outbreaks continue despite widely used vaccination. We demonstrated previously that an ORF1/ORF71 gene deletion mutant of the EHV-1 strain Ab4 (Ab4ΔORF1/71) is less virulent than its parent Ab4 virus. Here, we describe the Ab4 challenge infection evaluating protection induced by the Ab4ΔORF...

journal_title：Virology

authors： Perkins G,Babasyan S,Stout AE,Freer H,Rollins A,Wimer CL,Wagner B

更新日期：2019-05-01 00:00:00

abstract：:HPV16 is the most carcinogenic HPV type, but only a minority of HPV16 infections progress to cancer. Intratype genetic variants of HPV16 have been suggested to confer differential carcinogenicity. To investigate risk implications of HPV16 variants among Chinese women, a case-control study was conducted with 298 cervic...

journal_title：Virology

authors： Hang D,Yin Y,Han J,Jiang J,Ma H,Xie S,Feng X,Zhang K,Hu Z,Shen H,Clifford GM,Dai M,Li N

更新日期：2016-01-15 00:00:00

abstract：:The repetitive DNA sequences of the genome of Molluscum contagiosum virus type 1 (MCV-1) have been localized within the terminal regions of the viral genome corresponding to the BamHI MCV-1 DNA fragments B (18 kbp; 0 to 0.095 map units (m.u.)) and E (10.5 kbp; 0.944 to 1 m.u.). The fine mapping of these particular reg...

journal_title：Virology

authors： Bugert JJ,Raab K,Rösen-Wolff A,Janssen W,Darai G

更新日期：1993-01-01 00:00:00

abstract：:The complete nucleotide sequence of cloned cDNAs corresponding to the full length of the mRNA encoding the measles virus hemagglutinin (H) protein has been determined. the mRNA contains a single large open reading frame which is capable of encoding a protein of 617 amino acids with a molecular mass of 69,250 Da. The d...

journal_title：Virology

authors： Alkhatib G,Briedis DJ

更新日期：1986-04-30 00:00:00

abstract：:Naturally occurring mutations in Human T-cell Leukemia Virus Type 1 (HTLV-1) Tax protein lead to loss of recognition by cytotoxic T-lymphocytes. Most of these mutations also abolish or severely impair the transactivation function of Tax. Ninety percent of the rex gene, which encodes the viral regulator of mRNA splicin...

journal_title：Virology

authors： Smith RE,Niewiesk S,Booth S,Bangham CR,Daenke S

更新日期：1997-10-27 00:00:00

abstract：:The Epstein-Barr virus (EBV) nuclear antigen EBNA-1 is essential for viral genome maintenance in vitro and may be the only EBV protein expressed by the majority of latently infected cells in vivo. EBNA-1 may therefore be critical to the evasion of host immunity which allows persistent infection. EBNA-1 includes a poly...

journal_title：Virology

authors： Wrightham MN,Stewart JP,Janjua NJ,Pepper SD,Sample C,Rooney CM,Arrand JR

更新日期：1995-04-20 00:00:00

abstract：:Differing reports exist about the replication of human enteric adenoviruses (EnAds) in various cell lines. There was a suggestion that EnAds are defective, do not grow on primary human diploid cells, and behave like Ad host-range mutants, i.e., they require early gene products from other Ad types for efficient growth....

journal_title：Virology

authors： Pieniazek D,Pieniazek NJ,Macejak D,Coward J,Rayfield M,Luftig RB

更新日期：1990-01-01 00:00:00

abstract：:Feline panleukopenia virus (FPV) is a pathogen whose canine-adapted form (canine parvovirus (CPV)) emerged in 1978. These viruses infect by binding host transferrin receptor type-1 (TfR), but also hemagglutinate erythrocytes. We show that hemagglutination involves selective recognition of the non-human sialic acid N-g...

journal_title：Virology

authors： Löfling J,Lyi SM,Parrish CR,Varki A

更新日期：2013-05-25 00:00:00

abstract：:A collection of randomly generated temperature-sensitive (ts) vaccinia virus (strain IHD-W) mutants were reported by S. Dales et al., (1978, Virology, 84, 403-428) in 1978 and characterized by electron microscopy. We have performed further genetic analysis on the Dales collection of mutants to make the mutants more us...

journal_title：Virology

authors： Lackner CA,D'Costa SM,Buck C,Condit RC

更新日期：2003-01-20 00:00:00

abstract：:The function of rice dwarf virus segment 11 and the corresponding segments of other phytoreoviruses is not yet determined. The amino acid sequence of Pns11, encoded by segment 11, contains a putative zinc finger and five flanking basic regions at the C-terminus. The full-length Pns11 protein and three truncated deriva...

journal_title：Virology

authors： Xu H,Li Y,Mao Z,Li Y,Wu Z,Qu L,An C,Ming X,Schiemann J,Casper R,Chen Z

更新日期：1998-01-20 00:00:00

abstract：:Frog virus 3 (FV3) is the type species member of the genus Ranavirus (family Iridoviridae). To better understand the molecular mechanisms involved in the replication of FV3, including transcription of its highly methylated DNA genome, we have determined the complete nucleotide sequence of the FV3 genome. The FV3 genom...

journal_title：Virology

authors： Tan WG,Barkman TJ,Gregory Chinchar V,Essani K

更新日期：2004-05-20 00:00:00

abstract：:Friend murine leukemia virus (Fr-MLV) produces unspliced mRNAs, as well as singly-spliced mRNAs by which the Env protein is generated. We investigated the role of the intron within the Fr-MLV gene in Env expression using vectors with serially truncated introns. The up-regulatory regions, the 361-878 and the 5135-5399 ...

journal_title：Virology

authors： Yamamoto N,Takase-Yoden S

更新日期：2009-03-01 00:00:00

abstract：:RNA silencing is a fundamental antiviral response in eukaryotic organisms. We investigated the counterdefense strategy of a fungal virus (mycovirus) against RNA silencing in the white root rot fungus, Rosellinia necatrix. We generated an R. necatrix strain that constitutively induced RNA silencing of the exogenous gre...

journal_title：Virology

authors： Yaegashi H,Yoshikawa N,Ito T,Kanematsu S

更新日期：2013-09-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) Tat transcriptionally activates expression from a number of viral and cellular promoters. Recent studies demonstrate the ability of Tat to differentially modulate cellular responses to apoptotic signaling. The antiapoptotic effects of Tat appear to correlate with increased e...

journal_title：Virology

authors： Wang Z,Morris GF,Reed JC,Kelly GD,Morris CB

更新日期：1999-05-10 00:00:00

abstract：:A method was devised which allows the easy detection of mutations within the ner gene of Mu DNA. This method is based upon the observation that a transcriptional gene A-galK fusion containing the complete ner gene and the cts62 allele does not express the galK gene in an Escherichia coli strain lacking functional inte...

journal_title：Virology

authors： König U,Kirschner P,Schumann W

更新日期：1988-05-01 00:00:00

abstract：:We have previously shown that peroxisome proliferator-activated receptor-gamma (PPARgamma) agonists inhibited the inflammatory response of RSV-infected human lung epithelial cells. In this study, we supply evidence that specific PPARgamma agonists (15d-PGJ2, ciglitazone, troglitazone, Fmoc-Leu) efficiently blocked the...

journal_title：Virology

authors： Arnold R,König W

更新日期：2006-07-05 00:00:00