Identification of amino acid substitutions associated with neutralization phenotype in the human immunodeficiency virus type-1 subtype C gp120.

abstract：:Alpacas develop diminished disease following bovine viral diarrhea virus (BVDV) infection compared to cattle. We hypothesized that alpaca and bovine cells have differential permissiveness and responses to BVDV infection. To characterize alpaca testicular (AT) and bovine turbinate (BT) cells BVDV infection permissivene...

journal_title：Virology

authors： Samson HC,Topliff CL,Donis RO,Kelling CL

更新日期：2011-04-25 00:00:00

abstract：:Phage-display methodology has been used to select variant CD4 proteins exhibiting increased binding to the surface envelope glycoprotein, gp120, of Human Immunodeficiency Virus Type-1. To facilitate the selection, a library of mutant CD4 proteins was constructed by cloning a PCR-generated error prone population of the...

journal_title：Virology

authors： Krykbaev R,McKeating J,Jones I

更新日期：1997-08-04 00:00:00

abstract：:Chikungunya virus (CHIKV) infection leads to activation of innate immune response by triggering Toll-like receptor (TLR) pathways resulting in elevated cytokines and type-I interferon levels. Genetic variations of these genes may influence human CHIKV-susceptibility and disease progression. Present study aimed to iden...

journal_title：Virology

authors： Dutta SK,Tripathi A

更新日期：2017-11-01 00:00:00

abstract：:The v-erb B protein of avian erythroblastosis virus (AEV) possesses an associated protein kinase activity in vitro. Analysis of temperature-sensitive mutants, and nonconditional host range mutants of AEV demonstrated that there was no simple correlation between this autophosphorylation activity and the transformation ...

journal_title：Virology

authors： Hayman MJ,Kitchener G,Knight J,McMahon J,Watson R,Beug H

更新日期：1986-04-15 00:00:00

abstract：:Mutants of adenovirus type 5 (Ad5) that lack early region 4 (E4) are defective in the expression of viral late genes. E4 mutants exhibit dramatically reduced levels of both cytoplasmic and nuclear viral late RNAs compared to wild-type virus, due principally to reduced stability of unprocessed viral late RNA in the nuc...

journal_title：Virology

authors： Sandler AB,Ketner G

更新日期：1991-03-01 00:00:00

abstract：:We have developed a sensitive assay for DNA replication in mammalian cells that enables us to detect replicated DNA fragments of human cytomegalovirus. A 1/100 portion of DNA extracted from 1000 microinjected cells was subjected to polymerase chain reaction after digestion with appropriate restriction enzymes to diffe...

journal_title：Virology

authors： Watanabe S,Yamaguchi N

更新日期：1993-01-01 00:00:00

abstract：:Inhibition of cellular respiration, oxidation of glutathione and induction of apoptosis have been reported in epithelial cells infected in vitro with influenza A virus (IAV). Here, the same biomarkers were investigated in vivo by assessing the lungs of BALB/c mice infected with IAV. Cellular respiration declined on da...

journal_title：Virology

authors： Alsuwaidi AR,Almarzooqi S,Albawardi A,Benedict S,Kochiyil J,Mustafa F,Hartwig SM,Varga SM,Souid AK

更新日期：2013-11-01 00:00:00

abstract：:Like their animal-infecting counterparts, plant bunyaviruses use capped RNA leaders cleaved from host cellular mRNAs to prime viral genome transcription in a process called cap-snatching, but in vivo systems to investigate the details of this process are lacking for them. Here, we report that Rice stripe tenuivirus (R...

journal_title：Virology

authors： Lin W,Wu R,Qiu P,Jing Jin,Yang Y,Wang J,Lin Z,Zhang J,Wu Z,Du Z

更新日期：2020-01-02 00:00:00

abstract：:The single open reading frame (ORF) 5 encoding the 50-kDa protein of barley yellow dwarf virus PAV-IL (BYDV-PAV-IL) was expressed in bacteria, purified, and used as an immunogen/antigen to produce/screen antibodies specific to the 50-kDa protein. Two monoclonal antibodies (MAb PAV-IL-22 kDa and MAb PAV-IL-50 kDa) rais...

journal_title：Virology

authors： Cheng SL,Domier LL,D'Arcy CJ

更新日期：1994-08-01 00:00:00

abstract：:During replication of human parainfluenza virus type 3 (HPIV3), the 96-nucleotide antigenomic promoter (AGP) of HPIV3 directs the synthesis of genomic RNA. Previous work showed that nucleotides 1-12 were critical in promoting replication of an HPIV3 minireplicon, but nucleotides 13-96 were not investigated. In this st...

journal_title：Virology

authors： Gander JR,Schwan LM,Hoffman MA

更新日期：2011-10-25 00:00:00

abstract：:Following infection with murine cytomegalovirus (MCMV), the termini of the linear double-stranded DNA genome fuse to form circular or concatemeric forms which serve as replicative intermediates. To investigate the mechanisms involved in the generation and cleavage of the intracellular concatenates, we have used restri...

journal_title：Virology

authors： Marks JR,Spector DH

更新日期：1988-01-01 00:00:00

abstract：:We have applied the procedure of Agrobacterium-mediated inoculation to develop a simple, efficient, and reproducible assay for the infectivity of the leafhopper-transmitted geminivirus, beet curly top virus (BCTV). This assay system was used to show that a coat protein mutant of BCTV is not infectious, but could be co...

journal_title：Virology

authors： Briddon RW,Watts J,Markham PG,Stanley J

更新日期：1989-10-01 00:00:00

abstract：:The mechanism of intracellular retention for the large surface protein (L) of duck hepatitis B virus (DHBV) was analyzed by examination of the transmembrane topologies and secretory properties of a collection of DHBV L mutants and compared with that of human hepatitis B virus (HBV) L. Our results demonstrate that, in ...

journal_title：Virology

authors： Gazina EV,Lin B,Gallina A,Milanesi G,Anderson DA

更新日期：1998-03-15 00:00:00

abstract：:The location of the RNA start point of in vivo Q-activated late gene RNA of bacteriophage lambda has been determined to be identical to the start point of in vitro 6 S RNA. The 6 S RNA is made early in infection and is efficiently antiterminated by Q. Two RNase III cut sites are located within Q-dependent RNA sequence...

journal_title：Virology

authors： Daniels DL,Subbarao MN,Blattner FR,Lozeron HA

更新日期：1988-12-01 00:00:00

abstract：:Mouse hybridomas which produce monoclonal antibodies to the Autographa californica nuclear polyhedrosis virus (AcNPV) have been prepared and the protein to which each is directed has been determined. The antibody produced by clones 3F3 and 5E9 specifically bound polyhedron protein of MW 32,000 when used in immunoadsor...

journal_title：Virology

authors： Roberts PL,Naser W

更新日期：1982-10-30 00:00:00

abstract：:The genome of the lytic Pseudomonas putida bacteriophage gh-1 is linear double-stranded DNA containing 37,359 bp with 216-bp direct terminal repeats. Like other members of the T7 group, the gh-1 genome contains regions of high homology to T7 interspersed with nonhomologous regions that contain small open reading frame...

journal_title：Virology

authors： Kovalyova IV,Kropinski AM

更新日期：2003-07-05 00:00:00

abstract：:Although lentiviruses like HIV-1 are able to infect non-dividing cells, particular resting cells such as non-stimulated primary peripheral blood mononuclear cells (PBMC) are resistant to infection. In contrast to other lentiviruses, SIVsmmPBj can replicate in non-stimulated PBMC. Moreover, SIVsmmPBj-derived, but not H...

journal_title：Virology

authors： Wolfrum N,Mühlebach MD,Schüle S,Kaiser JK,Kloke BP,Cichutek K,Schweizer M

更新日期：2007-08-01 00:00:00

abstract：:Particles purified from the liver of hepatitis B virus-infected patients were previously shown by us to incorporate 32P-deoxynucleotides into viral DNA and DNA-RNA hybrid molecules when incubated in a DNA polymerase reaction mixture. In this investigation, similar particles from duck and ground squirrel livers infecte...

journal_title：Virology

authors： Miller RH,Marion PL,Robinson WS

更新日期：1984-11-01 00:00:00

abstract：:Geographical separation of host species has shaped the avian influenza A virus gene pool into independently evolving Eurasian and American lineages, although phylogenetic evidence for gene flow and reassortment indicates that these lineages also mix on occasion. While the evolutionary dynamics of the avian influenza g...

journal_title：Virology

authors： Bahl J,Vijaykrishna D,Holmes EC,Smith GJ,Guan Y

更新日期：2009-08-01 00:00:00

abstract：:Lassa virus RNA isolated from purified virus particles was polyadenylated and reverse transcripts were cloned into the PstI site of plasmid pUC9. Clones containing sequences of the smaller (S) segment of the Lassa virus genome were identified by hybridization with purified S RNA. They were characterized by their abili...

journal_title：Virology

authors： Clegg JC,Oram JD

更新日期：1985-07-30 00:00:00

abstract：:Since SARS-CoV-2 spreads rapidly around the world, data have been needed on the natural fluctuation of viral load and clinical indicators associated with it. We measured and compared viral loads of SARS-CoV-2 from pharyngeal swab, IgM anti-SARS-CoV-2, CRP and SAA from serum of 114 COVID-19 patients on admission. Posit...

journal_title：Virology

authors： Shi F,Wu T,Zhu X,Ge Y,Zeng X,Chi Y,Du X,Zhu L,Zhu F,Zhu B,Cui L,Wu B

更新日期：2020-07-01 00:00:00

abstract：:Processing of the transmembrane glycoprotein (GP) of Marburg virus involved the conversion of an endo H-sensitive, ER-specific form into an endo H-resistant, Golgi-specific precursor that was cleaved into GP(1) and GP(2). Cleavage was mediated by furin or another subtilisin-like endoprotease with similar substrate spe...

journal_title：Virology

authors： Volchkov VE,Volchkova VA,Ströher U,Becker S,Dolnik O,Cieplik M,Garten W,Klenk HD,Feldmann H

更新日期：2000-03-01 00:00:00

abstract：:CD8 T cells contribute to effective clearance of mouse adenovirus type 1 (MAV-1) and to virus-induced pulmonary inflammation. We characterized effects of a CD8 T cell effector, TNF, on MAV-1 pathogenesis. TNF inhibited MAV-1 replication in vitro. TNF deficiency or immunoneutralization had no effect on lung viral loads...

journal_title：Virology

authors： Pant K,Chandrasekaran A,Chang CJ,Vageesh A,Popkov AJ,Weinberg JB

更新日期：2020-08-01 00:00:00

abstract：:The V3 loop of the human immunodeficiency virus type 1 (HIV-1) gp120 exterior envelope glycoprotein (Env) becomes exposed after CD4 binding and contacts the coreceptor to mediate viral entry. Prior to CD4 engagement, a hydrophobic patch located at the tip of the V3 loop stabilizes the non-covalent association of gp120...

journal_title：Virology

authors： Bowder D,Hollingsead H,Durst K,Hu D,Wei W,Wiggins J,Medjahed H,Finzi A,Sodroski J,Xiang SH

更新日期：2018-08-01 00:00:00

abstract：:The subgroup C human adenovirus L4 33-kDa protein is a nuclear phosphoprotein that plays a direct, but dispensable, role in virion assembly. The r-strand open reading frame (ORF) for this protein lies opposite to the 5' end of the l-strand E2 early (E2E) transcription units. To facilitate studies of regulation of E2E ...

journal_title：Virology

authors： Finnen RL,Biddle JF,Flint J

更新日期：2001-10-25 00:00:00

abstract：:H7N9 influenza A first caused human infections in early 2013 in China. Virus genetics, histories of patient exposures to poultry, and previous experimental studies suggest the source of the virus is a domestic avian species, such as chickens. In order to better understand the ecology of this H7N9 in chickens, we evalu...

journal_title：Virology

authors： Spackman E,Pantin-Jackwood M,Swayne DE,Suarez DL,Kapczynski DR

更新日期：2015-03-01 00:00:00

abstract：:Human papillomavirus type 27 (HPV-27) and HPV-2c are isolates of the same virus as judged by genomic sequence identity. In a 400-bp stretch of the long control region and the E6 and L1 genes no changes were found between HPV-27 and HPV-2c whereas 55 changes were found between HPV-27 and HPV-2a. This justifies the elev...

journal_title：Virology

authors： Chan SY,Tan CH,Delius H,Bernard HU

更新日期：1994-06-01 00:00:00

abstract：:Two sets of primers derived from the 5'-terminal region and the NS5 region of the hepatitis G virus (HGV) genome were used to amplify PCR fragments from serum specimens obtained from different parts of the world. All PCR fragments from the 5'-terminal region (5'-PCR, n = 56) and from the NS5 region (NS5-PCR, n = 85) w...

journal_title：Virology

authors： Cong M,Fried MW,Lambert S,Lopareva EN,Zhan M,Pujol FH,Thyagarajan SP,Byun KS,Fields HA,Khudyakov YE

更新日期：1999-03-15 00:00:00

abstract：:Infection with Epstein-Barr virus (EBV) usually leads to a latent state in B lymphocytes. The virus can be reactivated through two viral transactivators, Zta and Rta, leading to a cascade of gene expression. An EBV DNA array was generated to analyze the pattern of transcription of the entire EBV genome under various c...

journal_title：Virology

authors： Lu CC,Jeng YY,Tsai CH,Liu MY,Yeh SW,Hsu TY,Chen MR

更新日期：2006-02-20 00:00:00

abstract：:Pre-exposure prophylaxis (PrEP) strategies utilizing anti-retroviral drugs show considerable promise for HIV prevention. However there is insufficient pharmacokinetic (PK) data on drug concentrations required for protection at the relevant mucosal tissues where the infection is initiated. Here we evaluated the utility...

journal_title：Virology

authors： Veselinovic M,Yang KH,LeCureux J,Sykes C,Remling-Mulder L,Kashuba ADM,Akkina R

更新日期：2014-09-01 00:00:00