The role of the PI3K-Akt signal transduction pathway in Autographa californica multiple nucleopolyhedrovirus infection of Spodoptera frugiperda cells.

abstract：:The helix-destabilizing properties of a single-stranded DNA-binding protein, LEF-3, of Bombyx mori nucleopolyhedrovirus (BmNPV) were studied. Partial duplexes of DNA containing single-stranded (ss) tails of different sizes and orientations were used as substrates for assay of the unwinding ability of LEF-3. Upon nonco...

journal_title：Virology

authors： Mikhailov VS

更新日期：2000-04-25 00:00:00

abstract：:The liver has been suspected to be one of the major targets of dengue virus infection. Here, we detected increasing secretion of the chemokine RANTES (regulated upon activation, normal T cell expressed and secreted), which functions to recruit the immune cells, in dengue-virus-infected liver cells and patients. Three ...

journal_title：Virology

authors： Lin YL,Liu CC,Chuang JI,Lei HY,Yeh TM,Lin YS,Huang YH,Liu HS

更新日期：2000-10-10 00:00:00

abstract：:Prior studies with recombinant viruses constructed in vitro showed that the V2 domain of envelope gp120, in addition to the required V3 domain, enhances the efficiency of infection of primary macrophages by HIV-1. Present structural studies on the gp120s of these recombinant viruses using three human monoclonal antibo...

journal_title：Virology

authors： Koito A,Stamatatos L,Cheng-Mayer C

更新日期：1995-02-01 00:00:00

abstract：:Chlorella virus PBCV-1 encodes two putative chitinase genes, a181/182r and a260r, and one chitosanase gene, a292l. The three genes were cloned and expressed in Escherichia coli. The recombinant A181/182R protein has endochitinase activity, recombinant A260R has both endochitinase and exochitinase activities, and recom...

journal_title：Virology

authors： Sun L,Adams B,Gurnon JR,Ye Y,Van Etten JL

更新日期：1999-10-25 00:00:00

abstract：:We report the isolation and characterization of HEp-2c cell clones obtained after two successive persistent poliovirus (PV) infections. Once cured, some of the cell clones displayed selective permissivity toward the wild-type Mahoney strain and partial resistance to particular mutants of this strain, including the Sab...

journal_title：Virology

authors： Calvez V,Pelletier I,Couderc T,Pavio-Guédo N,Blondel B,Colbère-Garapin F

更新日期：1995-10-01 00:00:00

abstract：:Monoclonal antibodies (MAbs) to a recombinant form of the envelope glycoprotein gp120 of human immunodeficiency virus type 1 (HIV-1 IIIB) were raised in rats and screened for their ability to block recombinant gp120 binding to recombinant, soluble CD4 (sCD4) in vitro. Four such MAbs were identified and characterised. ...

journal_title：Virology

authors： Cordell J,Moore JP,Dean CJ,Klasse PJ,Weiss RA,McKeating JA

更新日期：1991-11-01 00:00:00

abstract：:Viral vectors were constructed from infectious cDNA clones of each of the three tobraviruses, tobacco rattle virus (TRV), pea early-browning virus (PEBV), and pepper ringspot virus (PepRSV). RNA2 of each of the three viruses was modified to carry an additional coat protein subgenomic promoter and was used to express g...

journal_title：Virology

authors： MacFarlane SA,Popovich AH

更新日期：2000-02-01 00:00:00

abstract：:Serotype 4 rotavirus strains have been classified into two antigenic "subtypes" by a solid phase immune electron microscopy technique in which cross-absorbed animal polyclonal immune sera are used as the source of antibodies. The sequences of the gene encoding the outer capsid glycoprotein VP7 from a single serotype 4...

journal_title：Virology

authors： Green KY,Sarasini A,Qian Y,Gerna G

更新日期：1992-05-01 00:00:00

abstract：:Human herpesvirus 6 (HHV-6) is a ubiquitous betaherpesvirus that predominantly infects and replicates in CD4(+) T lymphocytes. However, the mechanism of HHV-6 transmission to T cells from the peripheral mucosa is unknown. Here we found that dendritic cells (DCs) can transmit HHV-6 to T cells, resulting in productive i...

journal_title：Virology

authors： Takemoto M,Imasawa T,Yamanishi K,Mori Y

更新日期：2009-03-15 00:00:00

abstract：:The temperate Streptococcus thermophilus bacteriophage TP-J34 was identified in the lysogenic host strain J34. The majority of phage particles produced upon induction was defective and noninfectious, consisting of DNA-filled heads lacking tails. A physical map (45.6 kb) was established. Analysis of minor restriction b...

journal_title：Virology

authors： Neve H,Freudenberg W,Diestel-Feddersen F,Ehlert R,Heller KJ

更新日期：2003-10-10 00:00:00

abstract：:Recent reports indicated that vaccinia virus late mRNAs contain a unique 5' poly(A) leader sequence and that the in vitro translation of these mRNAs may be relatively cap-independent. These observations led us to examine the possibility that the mechanism of inhibition of host protein synthesis by vaccinia virus, like...

journal_title：Virology

authors： Schnierle BS,Moss B

更新日期：1992-06-01 00:00:00

abstract：:The X protein (pX) of hepatitis B virus (HBV) is a general transcription regulator and directly associated with the transcription machinery. pX cannot bind DNA directly but interacts with cellular factors that bind the regulatory elements. There is an accumulation of evidence concerning different activities exerted by...

journal_title：Virology

authors： de-Medina T,Haviv I,Noiman S,Shaul Y

更新日期：1994-07-01 00:00:00

abstract：:Monoclonal antibody 1B4, previously shown to be protective in vivo and to cross-react with both virally encoded and normal host cell proteins, was used to screen a lambda gt11 cDNA derived from mRNA harvested from mouse embryo fibroblasts 24 hr after infection with murine cytomegalovirus (MCMV). A 700-bp cDNA was iden...

journal_title：Virology

authors： Dallas PB,Lyons PA,Hudson JB,Scalzo AA,Shellam GR

更新日期：1994-05-01 00:00:00

abstract：:Infectious bronchitis virus (IBV) infection and associated illness may be dramatically modified by passive transfer of immune T lymphocytes. Lymphocytes collected 10 days postinfection were transferred to naive chicks before challenge with virus. As determined by respiratory illness and viral load, transfer of syngene...

journal_title：Virology

authors： Seo SH,Pei J,Briles WE,Dzielawa J,Collisson EW

更新日期：2000-03-30 00:00:00

abstract：:The spike glycoprotein (G protein) of rabies virus (CVS strain) expressed in HeLa cells from cloned cDNA mediated membrane fusion after exposure to pHs of 6.1 or below. Chemical crosslinking showed that the rabies G protein, like the vesicular stomatitis virus (VSV) G protein, could be crosslinked to dimers and trimer...

journal_title：Virology

authors： Whitt MA,Buonocore L,Prehaud C,Rose JK

更新日期：1991-12-01 00:00:00

abstract：:A previous study suggested that the genomes of the arenaviruses native to North America are a product of genetic recombination between New World arenaviruses with significantly different phylogenetic histories. The purpose of this study was to extend our knowledge of the principal host relationships and evolutionary h...

journal_title：Virology

authors： Cajimat MN,Milazzo ML,Hess BD,Rood MP,Fulhorst CF

更新日期：2007-10-25 00:00:00

abstract：:The caprine arthritis-encephalitis (CAEV) and ovine maedi-visna (MVV) viruses are resistant to antibody neutralization, a feature shared with all other lentiviruses. Whether the CAEV gp135 receptor binding site(s) (RBS) in the functional surface envelope glycoprotein (Env) is protected from antibody binding, allowing ...

journal_title：Virology

authors： Hötzel I,Cheevers WP

更新日期：2005-09-01 00:00:00

abstract：:We have proposed that chronic infection of keratinocytes by HPV modifies the expression of potentially important cytokines by interfering with the NF-kappaB signal pathway. We evaluated the constitutive and IL-1beta-induced expression of GM-CSF and TNF-alpha and the expression/activity of NF-kappaB in HPV+ and HPV- ce...

journal_title：Virology

authors： Havard L,Delvenne P,Fraré P,Boniver J,Giannini SL

更新日期：2002-07-05 00:00:00

abstract：:Bovine papillomavirus type 4 (BPV-4) morphologically transforms primary bovine cells in vitro only in the presence of an activated ras gene. The transformed cells are capable of anchorage-independent growth, but are not immortal and are incapable of inducing tumors in nude mice, suggesting that other events are needed...

journal_title：Virology

authors： Pennie WD,Campo MS

更新日期：1992-10-01 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：:HPV-16 is the major causes of cervical cancer. Persistence of infection is a necessary event for progression of the infection to cancer. Among other factors, virus persistence is due the viral proteins fighting the immune response. HPV-16 E5 down-regulates MHC/HLA class I, which is much reduced on the cell surface and...

journal_title：Virology

authors： Campo MS,Graham SV,Cortese MS,Ashrafi GH,Araibi EH,Dornan ES,Miners K,Nunes C,Man S

更新日期：2010-11-10 00:00:00

abstract：:Fixed rabies virus strains (ERA and CVS) produce a fatal paralytic disease in mice after intracerebral or intramuscular injection. Some antigenic mutants of both CVS and ERA viruses with a substitution in position 333 of the glycoprotein (arginine is replaced either by a glutamine, a glycine, or an isoleucine) are tot...

journal_title：Virology

authors： Tuffereau C,Leblois H,Bénéjean J,Coulon P,Lafay F,Flamand A

更新日期：1989-09-01 00:00:00

abstract：:To determine if West Nile virus (WNV) infection of insect cells induces a protective RNAi response, Drosophila melanogaster S2 and Aedes albopictus C6/36 cells were infected with WNV, and the production of WNV-homologous small RNAs was assayed as an indicator of RNAi induction. A distinct population of approximately 2...

journal_title：Virology

authors： Chotkowski HL,Ciota AT,Jia Y,Puig-Basagoiti F,Kramer LD,Shi PY,Glaser RL

更新日期：2008-07-20 00:00:00

abstract：:Recently, we identified TT virus (TTV) isolates from nonhuman primates and named them simian TTV (s-TTV). To characterize the genomic structure of these isolates in more detail, the full-length nucleotide sequence of the s-TTV isolate (designated s-TTV CH65-1), recovered from a chimpanzee born in West Africa, was ampl...

journal_title：Virology

authors： Inami T,Obara T,Moriyama M,Arakawa Y,Abe K

更新日期：2000-11-25 00:00:00

abstract：:The 3' end of hepatitis E virus (HEV) contains cis-acting regulatory element, which plays an important role in viral replication. To develop specific replication inhibitor at the molecular level, mono- and di-hammerhead ribozymes (Rz) were designed and synthesized against the conserved 3' end sequences of HEV, which c...

journal_title：Virology

authors： Sriram B,Thakral D,Panda SK

更新日期：2003-08-01 00:00:00

abstract：:Transcription of the paramyxovirus RNA genome is thought to involve a sequential stop-start mechanism whereby monocistronic mRNAs are produced by polyadenylation and termination of 3' upstream gene followed by reinitiation at the downstream start site. For a number of paramyxoviruses, transcription across the M-F gene...

journal_title：Virology

authors： Rassa JC,Parks GD

更新日期：1998-08-01 00:00:00

abstract：:Hepatitis B virus synthesizes multiple spliced RNAs that can be reverse transcribed into viral DNA. We thoroughly characterized the contribution of spliced RNAs to DNA synthesis in transfected cultures of Huh7 and HepG2 cells. We found that up to 50% of DNA within intracellular capsids is derived from five spliced RNA...

journal_title：Virology

authors： Abraham TM,Lewellyn EB,Haines KM,Loeb DD

更新日期：2008-09-15 00:00:00

abstract：:In a previous paper (G. Winkler, V. B. Randolph, G. R. Cleaves, T. E. Ryan, and V. Stollar, 1988, Virology 162, 187-196) we showed that the newly synthesized dengue-2 virus nonstructural protein, NS1, exists briefly as a monomer and then undergoes dimerization. We demonstrate here that the dimerization of NS1 is assoc...

journal_title：Virology

authors： Winkler G,Maxwell SE,Ruemmler C,Stollar V

更新日期：1989-07-01 00:00:00

abstract：:V-CATH, a cathepsin L-like cysteine protease encoded by the baculovirus Autographa californica M nucleopolyhedrovirus, has been shown to play an essential role in host liquefaction. Similar to cellular cathepsin L, V-CATH is synthesized as an inactive proenzyme and is activated by cleavage of the propeptide. Previous ...

journal_title：Virology

authors： Hom LG,Ohkawa T,Trudeau D,Volkman LE

更新日期：2002-05-10 00:00:00

abstract：:Influenza viruses of the H3N2 subtype similar to Aichi/2/68 and Victoria/3/75 persist in pigs many years after their antigenic counterparts have disappeared from humans (Shortridge et al. (1977). Science 19, 1454-1455). To provide information on the mechanism of conservation of these influenza viruses in pigs, the hem...

journal_title：Virology

authors： Kida H,Shortridge KF,Webster RG

更新日期：1988-01-01 00:00:00