The role of AV2 ("precoat") and coat protein in viral replication and movement in tomato leaf curl geminivirus.

abstract：:A number of factors that affect genetic interaction during mixed infection with temperature-sensitive mutants of simian rotavirus SA11 have been examined. (1) Statistical analyses of recombination frequency (RF) indicated that (a) the variability noted in RF was not related to variations in experimental conditions and...

journal_title：Virology

authors： Ramig RF

更新日期：1983-05-01 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：:Hemorrhagic fever viruses are associated with rapidly progressing severe disease with high case fatality, making them of public health and biothreat importance. Effective antivirals are not available for most of the members of this diverse group of viruses. A broad spectrum strategy for antiviral development would be ...

journal_title：Virology

authors： Spiropoulou CF,Ranjan P,Pearce MB,Sealy TK,Albariño CG,Gangappa S,Fujita T,Rollin PE,Nichol ST,Ksiazek TG,Sambhara S

更新日期：2009-09-15 00:00:00

abstract：:Dengue virus (DENV) is an arbovirus that belongs to the Flaviviridae family. Studies reveal that peptides secreted by amphibians have many functions, such as antiviral and antimicrobial activities. As there is no antiviral drug effective against the DENV, the antiviral activity of a synthetic peptide called HS-1, deri...

journal_title：Virology

authors： Monteiro JMC,Oliveira MD,Dias RS,Nacif-Marçal L,Feio RN,Ferreira SO,Oliveira LL,Silva CC,Paula SO

更新日期：2018-01-15 00:00:00

abstract：:The HSV-1 genome is composed of two unique regions (UL and US) flanked by inverted repeats. During the course of DNA replication the two unique regions UL and US invert relative to one another. In this report we present evidence that cleavage is not necessary for genomic inversion to occur. We isolated and characteriz...

journal_title：Virology

authors： Lamberti C,Weller SK

更新日期：1996-12-15 00:00:00

abstract：:The Epstein-Barr virus nuclear antigen 2A (EBNA-2A) has been strongly implicated in the EBV-mediated B-cell transformation process. Since EBNA-2A might exert this function through interaction with proteins of the infected cell, we studied the association of EBNA-2A with cellular proteins. Immunoprecipitation of EBNA-2...

journal_title：Virology

authors： Grässer FA,Sauder C,Haiss P,Hille A,König S,Göttel S,Kremmer E,Leinenbach HP,Zeppezauer M,Mueller-Lantzsch N

更新日期：1993-08-01 00:00:00

abstract：:Hepatitis C virus (HCV) was shown to activate protein kinase R (PKR), which inhibits expression of interferon (IFN) and IFN-stimulated genes by controlling the translation of newly transcribed mRNAs. However, it is unknown exactly how HCV activates PKR. To address the molecular mechanism(s) of PKR activation mediated ...

journal_title：Virology

authors： Suzuki R,Matsuda M,Shimoike T,Watashi K,Aizaki H,Kato T,Suzuki T,Muramatsu M,Wakita T

更新日期：2019-03-01 00:00:00

abstract：:Early events of infection of MHV were studied in comparison with those of VSV, which is known to enter cells by an endocytic pathway. Treatment of mouse L-2 fibroblasts with ammonium chloride, chloroquine, or dansylcadaverine inhibited infection of MHV to a much lesser degree than that of VSV, suggesting a relatively ...

journal_title：Virology

authors： Kooi C,Cervin M,Anderson R

更新日期：1991-01-01 00:00:00

abstract：:Replication of hepatitis B virus (HBV) proceeds by reverse transcription of an RNA intermediate inside the viral nucleocapsid formed by the core protein. This protein contains four Cys residues which occur at equivalent positions in the core proteins of all known mammalian hepadnaviruses, suggesting that they might be...

journal_title：Virology

authors： Nassal M

更新日期：1992-09-01 00:00:00

abstract：:The pathogenesis of Venezuelan equine encephalitis virus (VEE) was examined in the mouse model using V3000, a virus derived from a molecular clone of the Trinidad donkey strain of VEE. These results were compared in parallel experiments with avirulent mutants of VEE derived by site-directed mutagenesis of the clone. A...

journal_title：Virology

authors： Grieder FB,Davis NL,Aronson JF,Charles PC,Sellon DC,Suzuki K,Johnston RE

更新日期：1995-02-01 00:00:00

abstract：:Turnip crinkle virus (TCV) (family Tombusviridae, genus Carmovirus) is a positive-sense RNA virus containing a 4054-base genome. Previous results indicated that insertion of Hairpin 4 (H4) into a TCV-associated satellite RNA enhanced replication 6-fold in vivo (Nagy, P., Pogany, J., Simon, A. E., 1999. EMBO J. 18:5653...

journal_title：Virology

authors： Sun X,Simon AE

更新日期：2006-08-15 00:00:00

abstract：:The Fgf-3 protooncogene (previously called int-2) is a target of proviral insertion mutations in mammary tumors induced by the mouse mammary tumor virus (MMTV). These insertion mutations result in the transcriptional activation of Fgf-3, which is not normally expressed in the adult mammary gland. Previous mapping stud...

journal_title：Virology

authors： Morris DW,Dutra JC

更新日期：1997-11-10 00:00:00

abstract：:We reported earlier that variable expression of the Epstein-Barr virus (EBV) encoded membrane protein LMP 1 in nasopharyngeal carcinoma and the host-cell-phenotype-dependent activity of the BCR2 promoter (one of the possible initiator sites for transcripts of Epstein-Barr nuclear antigens) in Burkitt's lymphoma (BL) l...

journal_title：Virology

authors： Minarovits J,Hu LF,Minarovits-Kormuta S,Klein G,Ernberg I

更新日期：1994-05-01 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

abstract：:Coordinated expression of viral genes in primary infection is essential for successful infection of host cells. We examined the expression profiles of Kaposi's sarcoma-associated herpesvirus (KSHV) transcripts in productive primary infection of primary human umbilical vein endothelial cells by whole-genome reverse-tra...

journal_title：Virology

authors： Yoo SM,Zhou FC,Ye FC,Pan HY,Gao SJ

更新日期：2005-12-05 00:00:00

abstract：:Following CD4 receptor binding to the HIV-1 envelope spike (Env), the conserved N-heptad repeat (NHR) region of gp41 forms a coiled-coil that is a precursor to the fusion reaction. Although it has been a target of drug and vaccine design, there are few monoclonal antibody (mAb) tools with which to probe the antigenici...

journal_title：Virology

authors： Nelson JD,Kinkead H,Brunel FM,Leaman D,Jensen R,Louis JM,Maruyama T,Bewley CA,Bowdish K,Clore GM,Dawson PE,Frederickson S,Mage RG,Richman DD,Burton DR,Zwick MB

更新日期：2008-07-20 00:00:00

abstract：:During viral entry, enveloped viruses require the fusion of their lipid envelope with host cell membranes. For coronaviruses, this critical step is governed by the virally-encoded spike (S) protein, a class I viral fusion protein that has several unique features. Coronavirus entry is unusual in that it is often biphas...

journal_title：Virology

authors： Millet JK,Whittaker GR

更新日期：2018-04-01 00:00:00

abstract：:The Ns strain of Cucumber mosaic virus (CMV) induces hypersensitive response (HR) on Nicotiana tabacum cv. Xanthi-nc and on Nicotiana glutinosa. The genetic determinant of the HR induction was localized earlier to amino acid 461 of the 1a protein. The 3D structure of the 1a protein is still unknown and building a homo...

journal_title：Virology

authors： Salánki K,Gellért A,Náray-Szabó G,Balázs E

更新日期：2007-02-05 00:00:00

abstract：:The V3 loop of HIV-1 gp120 is considered occluded on many primary viruses. However, virus sensitivity to neutralization by different V3 mAbs often varies, indicating that access to V3 is not restricted equally for all antibodies. Here, we have sought to gain a better understanding of these restrictions by determining ...

journal_title：Virology

authors： Pantophlet R,Wrin T,Cavacini LA,Robinson JE,Burton DR

更新日期：2008-11-25 00:00:00

abstract：:Each copy of the inverted terminal repeat of vaccinia virus consists of 8 kb of DNA containing 9 ORFS flanked near the terminus of the genome by 4 kb of repetitive DNA which in turn contains blocks of tandem repeats. Using plasmids containing repetitive DNA as the external arm, we have generated deletions at both the ...

journal_title：Virology

authors： Perkus ME,Goebel SJ,Davis SW,Johnson GP,Norton EK,Paoletti E

更新日期：1991-01-01 00:00:00

abstract：:Walleye dermal sarcoma virus encodes a retroviral cyclin (rv-cyclin) with a cyclin box fold and transcription activation domain (AD). Co-immune precipitation (co-IP) identified an association of rv-cyclin with cyclin-dependent kinase 8 (cdk8). Cdk8 is dependent upon cyclin C and regulates transcription with the Mediat...

journal_title：Virology

authors： Brewster CD,Birkenheuer CH,Vogt MB,Quackenbush SL,Rovnak J

更新日期：2011-01-20 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：:Some satellite (sat-) and defective interfering (DI) RNAs associated with plant viruses intensify or ameliorate the symptoms of the virus. We recently demonstrated that the TCV coat protein (CP) is involved in symptom modulation by sat-RNA C. Two additional subviral RNAs have now been tested for effect of the CP on sy...

journal_title：Virology

authors： Kong Q,Oh JW,Carpenter CD,Simon AE

更新日期：1997-11-24 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus origin-dependent DNA replication requires the core replication proteins plus K-Rta and K-bZIP. To determine which K-bZIP protein domains contribute to oriLyt-dependent DNA replication and facilitate suppression of K-Rta-mediated transcriptional activation, we generated a series ...

journal_title：Virology

authors： Rossetto C,Gao Y,Yamboliev I,Papousková I,Pari G

更新日期：2007-12-20 00:00:00

abstract：:The minimal 5' initiation of assembly sequence for papaya mosaic virus (PMV) has been determined by the generation of successive 3' deletion clones from a full-length cDNA copy of the PMV genome followed by in vitro assembly of RNA transcripts. Sequences closest to the 5' terminus were cloned into plasmid vectors with...

journal_title：Virology

authors： Sit TL,Leclerc D,AbouHaidar MG

更新日期：1994-02-15 00:00:00

abstract：:Chikungunya virus (CHIKV) is a mosquito-borne RNA virus that causes Chikungunya fever in humans. In this study, we generated two DNA-based CHIKV infectious clones derived from an Indian Ocean Lineage SL11131 strain and a prototype Ross strain. When the replication capabilities of the infectious CHIKV in various cell l...

journal_title：Virology

authors： Suzuki Y,Tanaka A,Maeda Y,Emi A,Fujioka Y,Sakaguchi S,Vasudevan SG,Kobayashi T,Lim CK,Takasaki T,Wu H,Nakano T

更新日期：2021-01-02 00:00:00

abstract：:A combination of linker scanning mutagenesis and deletional analyses has been used to determine the role of individual DNA-protein binding sites on expression from the hepatitis B virus (HBV) enhancer I-X promoter (map position (mp) 1042-1354, HBV adw2). Linker scanning mutation of the EF-C site caused a 67.5% drop in...

journal_title：Virology

authors： Gustin K,Shapiro M,Lee W,Burk RD

更新日期：1993-04-01 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：:In a previous study, we observed that hepatitis C virus (HCV) core protein specifically inhibits translation initiated by an HCV internal ribosome entry site (IRES). To investigate the mechanism by which down-regulation of HCV translation occurs, a series of mutations were introduced into the IRES element, as well as ...

journal_title：Virology

authors： Shimoike T,Koyama C,Murakami K,Suzuki R,Matsuura Y,Miyamura T,Suzuki T

更新日期：2006-02-20 00:00:00

abstract：:Mouse LTK- cells (H-2k) were transfected with a series of recombinant plasmids consisting of the herpes simplex virus type 1 thymidine kinase (TK) gene linked to fragments of SV40 DNA coding for portions of SV40 T antigen in pBR322, and TK+ transformants (LTK+) were selected in HAT medium. The TK+ transformants were a...

journal_title：Virology

authors： Tevethia SS,Tevethia MJ,Lewis AJ,Reddy VB,Weissman SM

更新日期：1983-07-30 00:00:00