The Helminthosporium victoriae 190S mycovirus has two forms distinguishable by capsid protein composition and phosphorylation state.

abstract：:Encephalomyocarditis virus (EMCV) is the prototype member of the cardiovirus genus of picornaviruses. For cardioviruses and the related aphthoviruses, the first protein segment translated from the plus-strand RNA genome is the Leader protein. The aphthovirus Leader (173-201 amino acids) is an autocatalytic papain-like...

journal_title：Virology

authors： Dvorak CM,Hall DJ,Hill M,Riddle M,Pranter A,Dillman J,Deibel M,Palmenberg AC

更新日期：2001-11-25 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：:We used a series of deletion mutations in the 5' untranslated region of the prototype D type retrovirus, Mason-Pfizer Monkey Virus (MPMV), to analyse RNA encapsidation. A region was identified upstream of the major splice donor which reduced particle production but had a proportionally greater effect on RNA packaging....

journal_title：Virology

authors： Guesdon FM,Greatorex J,Rhee SR,Fisher R,Hunter E,Lever AM

更新日期：2001-09-15 00:00:00

abstract：:The requirement to replicate in both vertebrate and invertebrate hosts is thought to limit the introduction of genetic changes into the genome of arboviruses. Serial passage under laboratory conditions will overcome this limitation allowing for genetic changes to be introduced and affecting the virulence of the virus ...

journal_title：Virology

authors： McCurdy K,Joyce J,Hamilton S,Nevins C,Sosna W,Puricelli K,Rayner JO

更新日期：2011-06-20 00:00:00

abstract：:Hepatitis C virus (HCV) causes chronic hepatitis, which often results in the development of liver cirrhosis and hepatocellular carcinoma (HCC) worldwide. In this study, we demonstrated that the non-structural protein NS3 of HCV enhances cyclooxygenase-2 (COX-2) gene promoter activity, COX-2 mRNA expression, COX-2 prot...

journal_title：Virology

authors： Lu L,Wei L,Peng G,Mu Y,Wu K,Kang L,Yan X,Zhu Y,Wu J

更新日期：2008-02-05 00:00:00

abstract：:Previously, an epitope recognized by a set of neutralizing monoclonal antibodies directed against the S protein of transmissible gastroenteritis has been identified. This neutralization epitope can be simulated by a single peptide combining residues 380 to 387 and 1176 to 1184 of the S protein; this combination peptid...

journal_title：Virology

authors： Posthumus WP,Lenstra JA,van Nieuwstadt AP,Schaaper WM,van der Zeijst BA,Meloen RH

更新日期：1991-05-01 00:00:00

abstract：:Herpes simplex virus type 1 (HSV-1) glycoproteins K and B (gK and gB) are intimately involved in virus-induced fusion of cells. Certain mutations in the UL27 (gB) and UL53 (gK) genes confer a syncytial (syn) phenotype characterized by extensive fusion of infected cells and giving rise to multinucleated cells. We have ...

journal_title：Virology

authors： Hutchinson L,Graham FL,Cai W,Debroy C,Person S,Johnson DC

更新日期：1993-10-01 00:00:00

abstract：:Urine and breast milk represent the main routes of human cytomegalovirus (HCMV) transmission but the contribution of renal and mammary epithelial cells to viral excretion remains unclear. We observed that kidney and mammary epithelial cells were permissive to HCMV infection and expressed immediate early, early and lat...

journal_title：Virology

authors： Twite N,Andrei G,Kummert C,Donner C,Perez-Morga D,De Vos R,Snoeck R,Marchant A

更新日期：2014-07-01 00:00:00

abstract：:Human herpesvirus-8 (HHV-8) variants have been found heterogeneously distributed among human populations living in diverse geographic regions, but their differential pathogenicity in Kaposi's sarcoma development remains controversial. In the present study, HHV-8 variant distribution has been analyzed in classic, iatro...

journal_title：Virology

authors： Tornesello ML,Biryahwaho B,Downing R,Hatzakis A,Alessi E,Cusini M,Ruocco V,Katongole-Mbidde E,Loquercio G,Buonaguro L,Buonaguro FM

更新日期：2010-03-15 00:00:00

abstract：:Certain temperature-sensitive (ts) mutants of murine leukemia virus (MuLV) were observed to be defective in virus assembly. These mutants also accumulated intracellular core protein precursor, Pr65gag, at 39 degrees, the nonpermissive temperature. At 39 degrees, virions released from cells infected with the various ts...

journal_title：Virology

authors： Edbauer CA,Naso RB

更新日期：1984-04-30 00:00:00

abstract：:The herpes simplex virus type 1 (HSV-1) latency associated transcript (LAT) gene's anti-apoptosis activity plays a central, but not fully elucidated, role in enhancing the virus's reactivation phenotype. In transient transfection experiments, LAT increases cell survival following an apoptotic insult in the absence of ...

journal_title：Virology

authors： Carpenter D,Hsiang C,Brown DJ,Jin L,Osorio N,BenMohamed L,Jones C,Wechsler SL

更新日期：2007-12-05 00:00:00

abstract：:To investigate the mode of gene expression of red clover mottle virus (RCMV) middle component (M) RNA, we have synthesized an oligopeptide corresponding to the predicted carboxy-terminus of the RCMV counterparts of the cowpea mosaic virus (CPMV) 48K and 58K proteins. Using an antiserum raised against this synthetic ol...

journal_title：Virology

authors： Shanks M,Tomenius K,Clapham D,Huskisson NS,Barker PJ,Wilson IG,Maule AJ,Lomonossoff GP

更新日期：1989-12-01 00:00:00

abstract：:Molluscum contagiosum virus (MCV) is a human poxvirus that produces small, benign skin tumors primarily in young children and encodes proteins that modulate the host immune response. The MC51L, MC53L, and MC54L open reading frames of MCV have significant amino acid sequence similarities and related proteins are encode...

journal_title：Virology

authors： Xiang Y,Moss B

更新日期：1999-05-10 00:00:00

abstract：:Human papillomavirus type 6 (HPV 6) DNA was detected in an episomal form in DNA extracted from an invasive squamous carcinoma of the vulva. The viral DNA, designated HPV6-T70, was molecularly cloned. Restriction analysis of the HPV6-T70 genome revealed an insertion of approximately 35 bp in the 5' portion of the upstr...

journal_title：Virology

authors： Kasher MS,Roman A

更新日期：1988-07-01 00:00:00

abstract：:The measles virus RNA-dependent RNA polymerase consists of two virus-encoded subunits, the phosphoprotein (P) and the large (L) protein. The P mRNA also codes for a C protein in the +1 reading frame relative to P. The activities of the measles P and C proteins from the vaccine strain, EdB, a wild-type CM strain, and a...

journal_title：Virology

authors： Reutter GL,Cortese-Grogan C,Wilson J,Moyer SA

更新日期：2001-06-20 00:00:00

abstract：:Measles virus infection causes a profound immunosuppression. The basis for this immunosuppression is not known. This immunosuppression could be due to virus acting directly on lymphoid cells, the production of an immunosuppressive viral product, or a lymphoid product. We have developed an antigen-specific T cell syste...

journal_title：Virology

authors： Sun X,Burns JB,Howell JM,Fujinami RS

更新日期：1998-06-20 00:00:00

abstract：:In addition to the major ectodomain, the gp41 transmembrane glycoprotein of HIV-1 is now known to have a minor ectodomain that is part of the long C-terminal tail. Both ectodomains are highly antigenic, carry neutralizing and non-neutralizing epitopes, and are involved in virus-mediated fusion activity. However, data ...

journal_title：Virology

authors： Hollier MJ,Dimmock NJ

更新日期：2005-07-05 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：:Plasmid p12929 was shown to integrate into the chromosome of Corynebacterium glutamicum RM3 and BL15. The minimal integrating fragment was subsequently defined. The arms flanking the integrated plasmid (attL and attR) were identified, allowing for the determination of the attP and the attB attachment sites. The attB s...

journal_title：Virology

authors： Moreau S,Le Marrec C,Blanco C,Trautwetter A

更新日期：1999-03-01 00:00:00

abstract：:Genetic studies have been carried out on orbiviruses in the Great Island (GI) antigenic subgroup of the Kemerovo serogroup (Orbivrus, Reoviridae) to elucidate the functions of the 10 genomic double-stranded RNA segments. Such studies have shown that segment 4 is the major genetic determinant of neurovirulence (P.A. Nu...

journal_title：Virology

authors： Nuttall PA,Moss SR,Carey D,Jones LD,Jacobs SC

更新日期：1990-02-01 00:00:00

abstract：:An Ad2 capsid component, the penton base, expressed as recombinant protein, was found to be capable of affecting the entire entry pathway of adenovirion in HeLa cells, i.e., cell attachment, endocytosis, vesicular escape, intracytoplasmic movement, and translocation through the nuclear pore complex. Data with pentamer...

journal_title：Virology

authors： Hong SS,Gay B,Karayan L,Dabauvalle MC,Boulanger P

更新日期：1999-09-15 00:00:00

abstract：:The nucleotide sequence of the genome of the nucleopolyhedrovirus (NPV) from Mamestra configurata (MacoNPV, isolate 90/2), a group II NPV, was determined and analyzed. The MacoNPV DNA genome consists of 155,060 bp and has an overall G+C content of 41.7%. Computer-assisted analysis predicted 169 open reading frames (OR...

journal_title：Virology

authors： Li Q,Donly C,Li L,Willis LG,Theilmann DA,Erlandson M

更新日期：2002-03-01 00:00:00

abstract：:The HIV-1 accessory gene product Vpr can inhibit cell proliferation via cell cycle arrest at the G(2) phase, and it can induce apoptosis after G(2) arrest. We found recently that C81, a carboxy-terminally truncated form of Vpr, induced apoptosis via G(1) arrest but did not induce G(2) arrest of the cell cycle. Thus, i...

journal_title：Virology

authors： Nishizawa M,Kamata M,Mojin T,Nakai Y,Aida Y

更新日期：2000-10-10 00:00:00

abstract：:Genetic variants surrounding the interferon-λ3 (IFNL3) gene are strongly associated with clearance of hepatitis C virus (HCV). A variant (rs368234815 TT/ΔG) upstream of IFNL3 was recently implicated to control expression of a novel gene termed IFNL4. We conducted genetic analysis of rs368234815 in a chronic HCV patien...

journal_title：Virology

authors： Lu YF,Goldstein DB,Urban TJ,Bradrick SS

更新日期：2015-02-01 00:00:00

abstract：:Vaccinia topoisomerase provides a model system for structure-function analysis of the type IB topoisomerase family. Here we performed an alanine scan of eight positions in the beta4 and beta5 strands of the N-terminal domain (Leu57, Ile58, Phe59, Val60, Gly61, Ser62, Gln69 and Gly73) and eight positions in the alpha8-...

journal_title：Virology

authors： Tian L,Shuman S

更新日期：2007-03-15 00:00:00

abstract：:We determined the complete nucleotide sequence of the New World simian foamy virus (FV) from spider monkey (SFVspm). Starting from a conserved region in the integrase (IN) domain of the pol gene we cloned fragments of the genome up to the 5' end of the long terminal repeat (LTR) into plasmid vectors and elucidated the...

journal_title：Virology

authors： Thümer L,Rethwilm A,Holmes EC,Bodem J

更新日期：2007-12-05 00:00:00

abstract：:Growth of clinical specimens of influenza viruses in eggs can result in the selection of antigenic variants distinct from corresponding viruses grown in mammalian tissue culture. To evaluate the contribution of host cell selection on the antigenic diversity of human influenza isolates, as seen in annual surveillance s...

journal_title：Virology

authors： Meyer WJ,Wood JM,Major D,Robertson JS,Webster RG,Katz JM

更新日期：1993-09-01 00:00:00

abstract：:To identify the potential RNA inhibitors of HCV polymerase, we have isolated high-affinity RNA ligands specific to hepatitis C virus (HCV) NS5B protein from a combinatorial RNA library using the Systematic Evolution of Ligands by EXponential enrichment (SELEX) procedure. Thirty-seven selected ligands were classified i...

journal_title：Virology

authors： Vo NV,Oh JW,Lai MM

更新日期：2003-03-15 00:00:00

abstract：:DNA immunization in conjunction with antiretroviral therapy was evaluated in SIV-infected rhesus macaques treated with [R]-9-[2-phosphonylmethoxypropyl]adenine (PMPA). Macaques were immunized monthly with DNA vaccines expressing either SIV gag/tat or SIV gag/tat and 19 CD8+ T cell epitopes during 7 months of therapy. ...

journal_title：Virology

authors： Fuller DH,Rajakumar PA,Wu MS,McMahon CW,Shipley T,Fuller JT,Bazmi A,Trichel AM,Allen TM,Mothe B,Haynes JR,Watkins DI,Murphey-Corb M

更新日期：2006-04-25 00:00:00

abstract：:The monoclonal antibody 2D5 neutralized vaccinia virus by preventing penetration of the virus and reacting with VP23-29K. The conformation of the VP23-29K was maintained by a disulfide bond(s), and the 2D5mAb reacted stronger with the nonreduced 23-kDa form than with the reduced 29-kDa form. We selected several escape...

journal_title：Virology

authors： Ichihashi Y,Oie M

更新日期：1996-06-15 00:00:00