The X protein of hepatitis B virus has a ribo/deoxy ATPase activity.

abstract：:We have investigated the role of vif in maedi-visna virus (MVV), a lentivirus of sheep, by studying in vitro replication of vif-deleted MVV in several cell types, and the effects of vif deletion on in vivo infection. By measuring RT activity, we found that in comparison to wild-type MVV, growth of vif-deleted MVV was ...

journal_title：Virology

authors： Kristbjörnsdóttir HB,Andrésdóttir V,Svansson V,Torsteinsdóttir S,Matthíasdóttir S,Andrésson OS

更新日期：2004-01-05 00:00:00

abstract：:Human hepatitis B virus (HBV) envelopes contain three distinct glycoproteins called L, M, and S HBsAg. Each is posttranslationally modified to contain N-linked oligosaccharides. N-linked oligosaccharides, after attachment to a polypeptide backbone, are processed by enzymes within the endoplasmic reticulum (ER). There ...

journal_title：Virology

authors： Lu X,Mehta A,Dwek R,Butters T,Block T

更新日期：1995-11-10 00:00:00

abstract：:To better understand the evolution of the viral envelope glycoproteins (Env) in HIV-1 infected individuals who progress to AIDS maintaining an exclusive CCR5-using (R5) virus population, we cloned and sequenced the env gene of longitudinally obtained primary isolates. A shift in the electrostatic potential towards an ...

journal_title：Virology

authors： Repits J,Sterjovski J,Badia-Martinez D,Mild M,Gray L,Churchill MJ,Purcell DF,Karlsson A,Albert J,Fenyö EM,Achour A,Gorry PR,Jansson M

更新日期：2008-09-15 00:00:00

abstract：:The measles virus (MV) vaccine lineage is a promising oncolytic but prior exposure to the measles vaccine or wild-type MV strains limits treatment utility due to the presence of anti-measles antibodies. MV entry can be redirected by displaying a polypeptide ligand on the Hemagglutinin (H) C-terminus. We hypothesized t...

journal_title：Virology

authors： Lech PJ,Pappoe R,Nakamura T,Tobin GJ,Nara PL,Russell SJ

更新日期：2014-04-01 00:00:00

abstract：:Metagenomic analysis of whole mosquitoes allows the genetic characterization of all associated viruses, including arboviruses and insect-specific viruses, plus those in their diet or infecting their parasites. We describe here the virome in mosquitoes, primarily Culex pipiens complex, Cx. tarsalis and Cx. erythrothora...

journal_title：Virology

authors： Sadeghi M,Altan E,Deng X,Barker CM,Fang Y,Coffey LL,Delwart E

更新日期：2018-10-01 00:00:00

abstract：:The single-cell ELISPOT assay was used to determine the frequency and isotype commitment of virus-specific antibody-forming cells (AFC) at different anatomical locations following intranasal Sendai virus infection of C57BL/6 and 129/Sv mice. AFC responses in the mediastinal and cervical lymph nodes showed sharp increa...

journal_title：Virology

authors： Sangster M,Hyland L,Sealy R,Coleclough C

更新日期：1995-02-20 00:00:00

abstract：:Human adenovirus type 5 (Ad5) has been the most popular platform for the development of oncolytic Ads. Alternative Ad serotypes with low seroprevalence might allow for improved anticancer efficacy in Ad5-immune patients. We studied the safety and efficacy of rare serotypes Ad6, Ad11 and Ad35. In vitro cytotoxicity of ...

journal_title：Virology

authors： Shashkova EV,May SM,Barry MA

更新日期：2009-11-25 00:00:00

abstract：:The retroviral cyclin protein (rv-cyclin) of walleye dermal sarcoma virus contains two known functional domains, a cyclin box motif and a carboxy terminal transcription activation domain (AD). The AD contacts TATA-binding protein-associated factor 9 (TAF9), and this action is necessary for both positive and negative r...

journal_title：Virology

authors： Quackenbush SL,Linton A,Brewster CD,Rovnak J

更新日期：2009-03-30 00:00:00

abstract：:Mammalian type C retroviruses can be detected by their induction of foci of cell transformation in S+I - cells. We have noted that certain subtypes of the mouse xenotropic type C retrovirus (MuLV) inhibit this cell alteration. This inhibition, associated with intact virions, is irreversible and gives the infected cell...

journal_title：Virology

authors： Hoffman AD,Levy JA

更新日期：1987-09-01 00:00:00

abstract：:Visna is a slow virus infection of sheep in which the characteristic pathological change is demyelination in foci of inflammation. The latter is thought to be the result of an immunopathological process directed against cellular and antigenic targets that have been difficult to define because of restricted viral gene ...

journal_title：Virology

authors： Stowring L,Haase AT,Petursson G,Georgsson G,Palsson P,Lutley R,Roos R,Szuchet S

更新日期：1985-03-01 00:00:00

abstract：:Efavirenz resistance during HIV-1 treatment failure is usually associated with the reverse transcriptase mutation K103N. L100I, V108I, or P225H can emerge after K103N and increase its level of efavirenz resistance. K103N + L100I is the most drug-resistant of the double mutants but is the least common clinically. We hy...

journal_title：Virology

authors： Koval CE,Dykes C,Wang J,Demeter LM

更新日期：2006-09-15 00:00:00

abstract：:Human enteric adenovirus Ad41 is associated with children gastroenteritis. To infect gastrointestinal cells, the invading virus must be acid-stable and resistant to inactivation by bile salts and proteases. In addition, it has to cross the mucus barrier before it infects mucosa cells. We show that Ad41 infectivity is ...

journal_title：Virology

authors： Favier AL,Burmeister WP,Chroboczek J

更新日期：2004-04-25 00:00:00

abstract：:Porcine circovirus type 2 (PCV2) is the causative agent of an emerging swine disease, postweaning multisystemic wasting syndrome. In this work, the RNAs of PCV2 synthesized during productive infection in porcine kidney cells were characterized. A total of nine RNAs were detected. They include the viral capsid protein ...

journal_title：Virology

authors： Cheung AK

更新日期：2003-01-05 00:00:00

abstract：:Human immunodeficiency virus (HIV) Gag proteins are assembled into virus particles and then cleaved by the virion-associated HIV protease. Concomitant with Gag processing, doughnut-like HIV particles (the immature form) are converted to particles containing condensed cores (the mature form). Here we describe the in vi...

journal_title：Virology

authors： Morikawa Y,Shibuya M,Goto T,Sano K

更新日期：2000-07-05 00:00:00

abstract：:Despite recent progress in the development of direct-acting antivirals against hepatitis C virus (HCV), chronic HCV infection remains an important health burden worldwide. MicroRNA122 (miR122), a liver-specific microRNA (miRNA), positively regulates HCV replication, and systemic application of antisense oligonucleotid...

journal_title：Virology

authors： Shibata C,Ohno M,Otsuka M,Kishikawa T,Goto K,Muroyama R,Kato N,Yoshikawa T,Takata A,Koike K

更新日期：2014-08-01 00:00:00

abstract：:A cDNA was constructed to encode an internally-truncated version of negative-sense genomic RNA (vRNA) of respiratory syncytial virus (RSV) containing (in 3' to 5' order) the 3' vRNA leader region, the complement of the open reading frame for bacterial chloramphenicol acetyl transferase (CAT) under the control of RSV g...

journal_title：Virology

authors： Collins PL,Mink MA,Hill MG 3rd,Camargo E,Grosfeld H,Stec DS

更新日期：1993-07-01 00:00:00

abstract：:The Epstein-Barr virus open reading frame BLLF1 encodes the major envelope glycoproteins gp350 and gp220. Fragments of the gp350/220 gene were expressed in Escherichia coli in order to define regions of the polypeptide chain reacting with human sera. The C-terminal half of the protein was sufficient for recognition by...

journal_title：Virology

authors： Nuebling CM,Buck M,Boos H,von Deimling A,Mueller-Lantzsch N

更新日期：1992-11-01 00:00:00

abstract：:A substantial proportion of HIV-1-infected individuals are intravenous drug users (i.v.DUs) who abuse opiates. Opioids induce a number of immunomodulatory effects that may directly influence HIV-1 disease progression. In the present report, we have investigated the effect of opioids on the expression of the major HIV-...

journal_title：Virology

authors： Steele AD,Henderson EE,Rogers TJ

更新日期：2003-04-25 00:00:00

abstract：:Monoclonal antibodies directed against glycoprotein D of herpes simplex virus completely inhibited fusion of Vero cells infected with type 1 virus. In contrast, several monoclonal antibodies directed against other viral glycoproteins, including B, were ineffective or were only minimally inhibitory at the highest conce...

journal_title：Virology

authors： Noble AG,Lee GT,Sprague R,Parish ML,Spear PG

更新日期：1983-08-01 00:00:00

abstract：:We have studied the assembly of human immunodeficiency virus (HIV-1) Gag-B-galactosidase (Gag-B-gal; GBG) fusion proteins into HIV particles in the presence of HIV Gag proteins. Release of fusion proteins from cells was measured by assay of media versus cellular B-gal activities and was dependent on co-expression of u...

journal_title：Virology

authors： Wang CT,Stegeman-Olsen J,Zhang Y,Barklis E

更新日期：1994-05-01 00:00:00

abstract：:The murine coronavirus polymerase gene is 22 kb in length with the potential to encode a polyprotein of approximately 750 kDa. The polyprotein has been proposed to encode three proteinase domains which are responsible for the processing of the polyprotein into mature proteins. The proteolytic activity of the first pro...

journal_title：Virology

authors： Dong S,Baker SC

更新日期：1994-11-01 00:00:00

abstract：:Phylogenetic analysis of the N8 neuraminidase (NA) genes from 18 influenza A viruses, representing equine and avian hosts in different geographic locations, revealed three major lineages: (i) currently circulating equine 2 viruses; (ii) avian viruses isolated in the Eurasian region, including A/Equine/Jilin/1/89, a re...

journal_title：Virology

authors： Saito T,Kawaoka Y,Webster RG

更新日期：1993-04-01 00:00:00

abstract：:The human T cell leukemia virus type I (HTLV-I) is an oncogenic retrovirus that is etiologically linked to the genesis of adult T cell leukemia (ATL) as well as HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Emerging evidence suggests that the pathogenicity of HTLV-I involves deregulated activati...

journal_title：Virology

authors： Harhaj EW,Harhaj NS,Grant C,Mostoller K,Alefantis T,Sun SC,Wigdahl B

更新日期：2005-03-01 00:00:00

abstract：:The LP-BM5 retrovirus, a complex containing ecotropic helper, recombinant MCF, and defective retroviruses, causes an immunodeficiency-termed mouse AIDS (MAIDS). Many disease features of MAIDS resemble those of AIDS, including terminal B cell lymphomas. Previously we generated from MAIDS-susceptible C57BL/6 mice cytoly...

journal_title：Virology

authors： Green WR,Crassi KM,Schwarz DA,Green KA

更新日期：1994-04-01 00:00:00

abstract：:Avian infectious laryngotracheitis virus (ILTV), a herpesvirus, is a highly contagious pathogen that causes an upper respiratory tract infection in chickens. It is one of the major problems in the poultry industry worldwide. Current vaccines are not satisfactory due to the induction of latent infection. Here we descri...

journal_title：Virology

authors： Guo P,Scholz E,Maloney B,Welniak E

更新日期：1994-08-01 00:00:00

abstract：:Three full-length genomic clones (pB19-M20, pB19-FL and pB19-HG1) of parvovirus B19 were produced in different laboratories. pB19-M20 was shown to produce infectious virus. To determine the differences in infectivity, all three plasmids were tested by transfection and infection assays. All three clones were similar in...

journal_title：Virology

authors： Filippone C,Zhi N,Wong S,Lu J,Kajigaya S,Gallinella G,Kakkola L,Söderlund-Venermo M,Young NS,Brown KE

更新日期：2008-05-10 00:00:00

abstract：:Successful HIV-1 infection requires a number of specific stages leading to integration of the provirus. We previously suggested that members of the VPAC neuroendocrine receptor family may play a role in HIV-1 infection. We now show that stimulation of the VPAC2 receptor with specific agonists provides strong resistanc...

journal_title：Virology

authors： Bokaei PB,Ma XZ,Sakac D,Branch DR

更新日期：2007-05-25 00:00:00

abstract：:Significant economic losses in the poultry industries have resulted from H9N2 low pathogenic avian influenza virus infections across North Africa, the Middle East and Asia. The present study investigated the evolutionary dynamics of H9N2 viruses circulating in Korea from 1996 to 2012. Our analysis of viral population ...

journal_title：Virology

authors： Lee DH,Fusaro A,Song CS,Suarez DL,Swayne DE

更新日期：2016-01-15 00:00:00

abstract：:Thirteen viable insertion mutants of vaccinia virus have been constructed. These mutants, containing coding sequences of the herpes simplex virus thymidine kinase (HSV-TK) gene, were generated by marker transfer via in vivo recombination. The mutants were identified using a replica filter plating technique by in situ ...

journal_title：Virology

authors： Perkus ME,Panicali D,Mercer S,Paoletti E

更新日期：1986-07-30 00:00:00

abstract：:The tegument protein pp28 of human cytomegalovirus (HCMV) is essential for the assembly of infectious HCMV virions, but how it functions during the process of HCMV tegumentation and envelopment remains unclear. By using live cell fluorescence resonance energy transfer (FRET) microscopy and yeast two-hybrid assays, we ...

journal_title：Virology

authors： Liu Y,Cui Z,Zhang Z,Wei H,Zhou Y,Wang M,Zhang XE

更新日期：2009-05-25 00:00:00