Multiple small RNA species and the viroid hypothesis for the sunblotch disease of avocado.

abstract：:Tombusviruses, of which tomato bushy stunt virus (TBSV) is the type member, spontaneously generate defective interfering RNAs (DIs) that are known to interfere with viral accumulation and symptom development. We show that co-infection with TBSV and DIs causes a dramatic reduction in accumulation of TBSV subgenomic RNA...

journal_title：Virology

authors： Scholthof KB,Scholthof HB,Jackson AO

更新日期：1995-08-01 00:00:00

abstract：:The role of binding kinetics in determining neutralizing potency for antiviral antibodies is poorly understood. While it is believed that increased steady-state affinity correlates positively with increased virus-neutralizing activity, the relationship between association or dissociation rate and neutralization potenc...

journal_title：Virology

authors： Bates JT,Keefer CJ,Slaughter JC,Kulp DW,Schief WR,Crowe JE Jr

更新日期：2014-04-01 00:00:00

abstract：:The parapoxvirus Orf virus (ORFV) encodes several immunomodulatory proteins (IMPs) that modulate host-innate and pro-inflammatory responses and has been proposed as a vaccine delivery vector for use in animal species. Here we describe the construction and characterization of two recombinant ORFV vectors expressing the...

journal_title：Virology

authors： Martins M,Joshi LR,Rodrigues FS,Anziliero D,Frandoloso R,Kutish GF,Rock DL,Weiblen R,Flores EF,Diel DG

更新日期：2017-11-01 00:00:00

abstract：:The Hepatitis B virus precore protein is processed in the endoplasmic reticulum (ER) into secreted hepatitis B e antigen (HBeAg), which acts as an immune tolerogen to establish chronic infection. Downregulation of secreted HBeAg should improve clinical outcome, as patients who effectively respond to current treatments...

journal_title：Virology

authors： Walsh R,Nuttall S,Revill P,Colledge D,Cabuang L,Soppe S,Dolezal O,Griffiths K,Bartholomeusz A,Locarnini S

更新日期：2011-03-01 00:00:00

abstract：:The synthesis and processing of the nucleocapsid protein (pp60) of the JHM strain of murine coronaviruses were examined. Pulse-chase experiments showed that pp60 was synthesized initially as a protein of approximately 57,000 in molecular weight (p57). Immunoprecipitation using mouse anti-JHMV antiserum indicated that ...

journal_title：Virology

authors： Stohlman SA,Fleming JO,Patton CD,Lai MM

更新日期：1983-10-30 00:00:00

abstract：:Human cytomegalovirus (HCMV) infects the chorioamnion, but whether these infections cause fetal membrane dysfunction remains poorly understood. We sought to assess whether guinea pig cytomegalovirus (GPCMV) infects amnion-derived cells in vitro, compare the inflammatory response of amnion cells to GPCMV and HCMV, and ...

journal_title：Virology

authors： Putri DS,Berkebile ZW,Mustafa HJ,Fernández-Alarcón C,Abrahante JE,Schleiss MR,Bierle CJ

更新日期：2020-09-01 00:00:00

abstract：:An essential step for a productive infection by the dengue flavivirus (DEN) is translation of the m(7)G-capped, nonpolyadenylated positive-sense RNA genome. We have recently identified sequences within the DEN 3' untranslated region (UTR) that modulate viral translation. Here, we show that the DEN type 2 (DEN2) 3'UTR ...

journal_title：Virology

authors： Holden KL,Harris E

更新日期：2004-11-10 00:00:00

abstract：:The HIV-1 transframe protein p6 known to modulate HIV-1 protease activation has been suggested to interact with the viral pathogenicity factor Nef. However, a potential interaction site in p6 has not been mapped so far. To evaluate effects of p6 modification on viral replication in light of Nef function, clustered sub...

journal_title：Virology

authors： Leiherer A,Ludwig C,Wagner R

更新日期：2009-04-25 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) transmembrane glycoprotein gp41 is targeted by broadly-reactive neutralizing antibodies 2F5 and 4E10, making it an attractive target for vaccine development. To better assess immunogenic properties of gp41, we generated five soluble glutathione S-transferase fusion proteins ...

journal_title：Virology

authors： Penn-Nicholson A,Han DP,Kim SJ,Park H,Ansari R,Montefiori DC,Cho MW

更新日期：2008-03-15 00:00:00

abstract：:Human Papillomavirus infection is highly prevalent worldwide. While most types of HPV cause benign warts, some high-risk types are known to cause cervical cancer, as well as cancer of the oral cavity and head and neck. Persistent cutaneous HPV infection can be particularly problematic in patients with chronic immunosu...

journal_title：Virology

authors： Devitt K,Hanson SJ,Tuong ZK,McMeniman E,Soyer HP,Frazer IH,Lukowski SW

更新日期：2019-11-01 00:00:00

abstract：:Enterovirus A71 (EV-A71) is a neurotropic enterovirus that uses heparan sulfate as an attachment receptor. The molecular determinants of EV-A71-heparan sulfate interaction are unknown. With In silico heparin docking and mutagenesis of all possible lysine residues in VP1, we identified that K162, K242 and K244 are resp...

journal_title：Virology

authors： Tan CW,Sam IC,Lee VS,Wong HV,Chan YF

更新日期：2017-01-15 00:00:00

abstract：:We compared the in vitro fidelity of wild-type human immunodeficiency virus type-1 (HIV-1) reverse transcriptase (RT) and the prototype foamy virus (PFV) RT. Both enzymes had similar error rates for single nucleotide substitutions; however, PFV RT did not appear to make errors at specific hotspots, like HIV-1 RT. In a...

journal_title：Virology

authors： Boyer PL,Stenbak CR,Hoberman D,Linial ML,Hughes SH

更新日期：2007-10-25 00:00:00

abstract：:DNA sequence and transcriptional analyses were performed on the region of the equine herpesvirus type 1 (EHV-1) genome (KyA strain) (map units 0.129 to 0.152) encoding open reading frames (ORFs) 15 and 16. ORF16 encodes a homolog of glycoprotein C of HSV-1 (herpes simplex virus type 1), while ORF15 corresponds in posi...

journal_title：Virology

authors： Matsumura T,Smith RH,O'Callaghan DJ

更新日期：1993-04-01 00:00:00

abstract：:We examined the native plant host Solanum nigrum as reservoir of genetic diversity of begomoviruses that cause the tomato yellow leaf curl disease (TYLCD) emerging in southern Spain. Presence of isolates of all the species and strains found associated with TYLCD in this area was demonstrated. Mixed infections were com...

journal_title：Virology

authors： García-Andrés S,Monci F,Navas-Castillo J,Moriones E

更新日期：2006-07-05 00:00:00

abstract：:Altered cytokine profiles and imbalanced frequencies of CD4(+) T helper cell subsets are thought to be linked with HIV-1/AIDS pathogenesis, but the causes need to be further clarified. Histamine, a biogenic amine with many functions, shows enhancement in HIV-1 infected individuals, which are considered to link with di...

journal_title：Virology

authors： Zhai RR,Jiang AP,Wang HB,Ma L,Ren XX,Jiang JF,Wu L,Wei JF,Wang JH

更新日期：2013-08-01 00:00:00

abstract：:To map and characterize functional differences between the E1A oncoproteins of Ad5 and Ad12, we previously constructed a series of hybrid Ad5/12 E1A genes and used them in combination with Ad12 E1B to transform Hooded Lister rat cells. At least two regions within the first exon of Ad12 E1A which influenced tumorigenic...

journal_title：Virology

authors： Pereira DS,Rosenthal KL,Graham FL

更新日期：1995-08-01 00:00:00

abstract：:In this report, we examined the abilities and requirements of heterologous Gag proteins to functionally complement each other to support viral replication. Two distantly related gammaretroviruses, murine leukemia virus (MLV) and spleen necrosis virus (SNV), were used as a model system because SNV proteins can support ...

journal_title：Virology

authors： Lee SK,Boyko V,Hu WS

更新日期：2007-04-10 00:00:00

abstract：:Coronaviruses have a marked tropism for epithelial cells. Entry and release of the porcine transmissible gastroenteritis virus (TGEV) is restricted to apical surfaces of polarized epithelial cells, as we have recently shown (J. W. A. Rossen, C. P. J. Bekker, W. F. Voorhout, G. J. A. M. Strous, A. van der Ende, and P. ...

journal_title：Virology

authors： Rossen JW,Voorhout WF,Horzinek MC,van der Ende A,Strous GJ,Rottier PJ

更新日期：1995-06-20 00:00:00

abstract：:GP5, the principal envelope glycoprotein of porcine reproductive and respiratory syndrome virus (PRRSV), contains a hypervariable region within the ectodomain which is responsible for generating diversity in field isolates. The purpose of this study was to gain insight into the possible origin of this diversity by fol...

journal_title：Virology

authors： Rowland RR,Steffen M,Ackerman T,Benfield DA

更新日期：1999-07-05 00:00:00

abstract：:Loading of most endogenous peptides on major histocompatibility complex class I molecules is conditional on their transport into the endoplasmic reticulum (ER) by the peptide transporter TAP. We describe an HSV-2/1 cross-reactive cytotoxic T-cell (CTL) epitope that is processed in a TAP1-independent manner in vivo fol...

journal_title：Virology

authors： Paliard X,Doe B,Selby MJ,Hartog K,Lee AY,Burke RL,Walker CM

更新日期：2001-03-30 00:00:00

abstract：:Assembly of the viral genome into virions is a critical process of the virus life cycle often defining the ability of the virus to move within the plant and to be transmitted horizontally to other plants. Closteroviridae virions are polar helical rods assembled primarily by a major coat protein, but with a related min...

journal_title：Virology

authors： Satyanarayana T,Gowda S,Mawassi M,Albiach-Martí MR,Ayllón MA,Robertson C,Garnsey SM,Dawson WO

更新日期：2000-12-05 00:00:00

abstract：:Sequence analysis of the murine gamma-herpesvirus 68 (gammaHV68) genome previously identified several open reading frames (ORFs) located at the left end of the viral genome that do not share homology with other known herpesvirus or cellular genes. Here, we show that one of these ORFs, M4, encodes a secreted glycoprote...

journal_title：Virology

authors： Evans AG,Moorman NJ,Willer DO,Speck SH

更新日期：2006-01-20 00:00:00

abstract：:While HPV 16 variant lineages have been well characterized, the knowledge about HPV 18 variants is limited. In this study, HPV 18 nucleotide variations in the E2 hinge region were characterized by sequence analysis in 47 control and 51 tumor specimens. Fifty of these specimens were randomly selected for sequencing of ...

journal_title：Virology

authors： Arias-Pulido H,Peyton CL,Torrez-Martínez N,Anderson DN,Wheeler CM

更新日期：2005-07-20 00:00:00

abstract：:The P68 protein kinase (referred to as P68 based on its M(r) of 68,000 in human cells) is a serine/threonine kinase induced by interferon treatment and activated by dsRNAs. The kinase is under tight controls in virus-infected cells since once activated, it phosphorylates its natural substrate eukaryotic initiation fac...

journal_title：Virology

authors： Barber GN,Tomita J,Garfinkel MS,Meurs E,Hovanessian A,Katze MG

更新日期：1992-12-01 00:00:00

abstract：:We described a simple method to introduce site-specific mutations into region E3 of adenovirus (Ad). Mutations are made in cloned Ad2 EcoRI-D (map position 76-83), then ligated between Ad5 EcoRI-A (map position 0-76) and EcoRI-B (map position 83-100) to complete the viral genome. We have used this method to isolate a ...

journal_title：Virology

authors： Wold WS,Deutscher SL,Takemori N,Bhat BM,Magie SC

更新日期：1986-01-15 00:00:00

abstract：:African swine fever virus (ASFV) growth and plaque formation were inhibited by phosphonoacetic acid (PAA) concentrations of 200 micrograms/ml or more. One spontaneous mutant and two mutants isolated from mutagenized virus were resistant to PAA inhibition and showed practically normal viral DNA synthesis in the presenc...

journal_title：Virology

authors： Marques MI,Costa JV

更新日期：1995-12-01 00:00:00

abstract：:Porcine reproductive and respiratory syndrome virus (PRRSV) displays notorious genetic, antigenic, and clinical variability. Little is known, however, about the nature and extent of viral variation present within naturally infected animals. By amplifying and cloning the open reading frame 5 gene from tonsils of natura...

journal_title：Virology

authors： Goldberg TL,Lowe JF,Milburn SM,Firkins LD

更新日期：2003-12-20 00:00:00

abstract：:IFN responses control acute HSV infection, but their role in regulating HSV latency is poorly understood. To address this we used mice lacking IFN signaling specifically in neural tissues. These mice supported a higher acute viral load in nervous tissue and delayed establishment of latency. While latent HSV-1 genome c...

journal_title：Virology

authors： Rosato PC,Katzenell S,Pesola JM,North B,Coen DM,Leib DA

更新日期：2016-10-01 00:00:00

abstract：:Thymidine kinase-deficient syrian hamster cells were cotransfected with recombinant plasmids containing the thymidine kinase (TK) gene of Herpes Simplex Virus Type 1, and either intact or partially deleted SV40 T antigen-coding genes. The transformants were selected by their ability to grow in gHAT medium. After selec...

journal_title：Virology

authors： Hirschhorn RR,Mercer WE,Liu HT,Baserga R

更新日期：1984-04-15 00:00:00

abstract：:Transcription of human papillomaviruses (HPV) is regulated by enhancer sequences located in the upstream regulatory region. The factors regulating expression of one of the high risk genital HPV types, HPV 31b, were investigated using transient expression and protein binding assays. A region of 262 base pairs in length...

journal_title：Virology

authors： Kyo S,Tam A,Laimins LA

更新日期：1995-08-01 00:00:00