Sera of Peruvians with fever of unknown origins include viral nucleic acids from non-vertebrate hosts.

abstract：:We have described three mutant strains of Pseudorabies virus that contain mutations in the signal sequence coding region of a nonessential envelope glycoprotein, gIII. The alterations disrupt, truncate, or eliminate the hydrophobic core domain of the signal sequence. Each mutant was assayed for its ability to promote ...

journal_title：Virus genes

authors： Ryan P,Robbins A,Whealy M,Enquist LW

更新日期：1993-02-01 00:00:00

abstract：:In this study, we report the discovery and molecular characterization of a novel mycovirus, Nigrospora oryzae fusarivirus 1 (NoFV1) isolated from the rice-infecting fungus Nigrospora oryzae. Excluding a poly (A) tail, the genome of the virus is 7004 nucleotide (nt) long containing three putative nonoverlapping open re...

journal_title：Virus genes

authors： Zhong J,Zhao SQ,Li GF,Pang XD,Deng XJ,Zhu HJ,Da Gao B,Zhou Q

更新日期：2016-12-01 00:00:00

abstract：:Several important biological processes are performed by distinct functional domains found on replication-associated protein (Rep) encoded by AC1 of geminiviruses. Two truncated forms of replicase (tAC1) gene, capable of expressing only the N-terminal 669 bp (5'AC1) and C-terminal 783 bp (3'AC1) nucleotides cloned unde...

journal_title：Virus genes

authors： Hashmi JA,Zafar Y,Arshad M,Mansoor S,Asad S

更新日期：2011-04-01 00:00:00

abstract：:Fowl adenovirus serotype 4 (FAdV-4) is the causative agent of hydropericardium syndrome (HPS), a highly pathogenic disease in poultry. In the present study, hexon, penton base, and fiber-2 genes encoding major capsid proteins were analyzed in four FAdV-4 isolates from HPS-affected chickens in Korea. Nucleotide sequenc...

journal_title：Virus genes

authors： Park HS,Lim IS,Kim SK,Kim TK,Park CK,Yeo SG

更新日期：2017-02-01 00:00:00

abstract：:Novel duck reovirus (NDRV), the prototype strain of the species Avian orthoreovirus (ARV), is associated with high mortality in Pekin ducklings. σC is an outer capsid protein encoded by the S1 genome segment of NDRV which mediates attachment to host cells. Our previous studies using immunoprecipitation and mass spectr...

journal_title：Virus genes

authors： Xiao R,Mi X,Sun J,Ding M,Li C,Zhu J,Liu G,Ma W,Zhou H,Chen Z

更新日期：2020-06-01 00:00:00

abstract：:A unique feature of ascovirus infection is cleavage of host cells into virus containing vesicles. It has been suggested that the virus induces apoptosis, either by expression of a caspase or other means, which is then diverted toward vesicle formation. There is little known about the mechanism of vesicle formation. Re...

journal_title：Virus genes

authors： Smede M,Hussain M,Asgari S

更新日期：2009-12-01 00:00:00

abstract：:Newcastle disease virus with velogenic characteristics circulates in the poultry industry in Mexico and various other American countries. In Mexico, vaccine efficacy testing to obtain commercial registration is reliant on a challenge with a velogenic strain known colloquially as Chimalhuacan due to the site where it w...

journal_title：Virus genes

authors： Absalón AE,Mariano-Matías A,García LJ,Morales-Garzón A,Toscano-Contreras A,Lucio-Decanini E,Cortés-Espinosa DV

更新日期：2014-10-01 00:00:00

abstract：:Avian reovirus infection causes considerable economic loss to the commercial poultry industry. Live-attenuated vaccine strain S1133 (v-S1133, derived from parent strain S1133) is considered the safest and most effective vaccine and is currently used worldwide. To identify the genes responsible for its attenuation, DNA...

journal_title：Virus genes

authors： Teng L,Xie Z,Xie L,Liu J,Pang Y,Deng X,Xie Z,Fan Q,Luo S,Feng J,Khan MI

更新日期：2014-04-01 00:00:00

abstract：:Watermelon mosaic virus (WMV) is one of the most important viruses that causes different symptoms in Cucurbitaceae. WMV is a potyvirus with a worldwide distribution, but occurs most commonly in temperate and Mediterranean regions. Cucurbit species grown in Yazd, Esfahan, West Azerbaijan, Hormozgan, and Kerman province...

journal_title：Virus genes

authors： Sharifi M,Massumi H,Heydarnejad J,Hosseini Pour A,Shaabanian M,Rahimian H

更新日期：2008-12-01 00:00:00

abstract：:The NS3 protein of rice stripe virus (RSV), encoded by the virion strand of RNA3, is a viral suppressor of RNA silencing (VSR). Rice expressing NS3 had a normal phenotype, was initially sensitive to RSV but recovered at the later stages of infection. RSV accumulated slightly more in transgenic than in wild-type plants...

journal_title：Virus genes

authors： Wu G,Wang J,Yang Y,Dong B,Wang Y,Sun G,Yan C,Yan F,Chen J

更新日期：2014-06-01 00:00:00

abstract：:The genomes (188 kbp) of the prototype Molluscum contagiosum virus type 1 (MCV-1) and a variant strain (MCV-1v) were characterized by construction of the physical maps of the viral DNA for the restriction enzymes BamHI, ClaI, EcoRI, and HindIII using a defined gene library harboring the DNA sequences of the MCV-1 geno...

journal_title：Virus genes

authors： Bugert J,Rösen-Wolff A,Darai G

更新日期：1989-11-01 00:00:00

abstract：:We evaluated the predicted biochemical properties of Gag proteins from a diverse group of feline immunodeficiency viruses (FIV) to determine how different evolutionary histories of virus and host have changed or constrained these important structural proteins. Our data are based on FIV sequences derived from domestic ...

journal_title：Virus genes

authors： Burkala E,Poss M

更新日期：2007-10-01 00:00:00

abstract：:The first genome of a virus infecting a representative of the eubacterial genus Actinoplanes is presented. Phage phiAsp2 has a circularly permutated chromosome that consists of 58,638 bp; its G/C-bias of 70.39% resembles the hosts G + C-content (71-73% within the genus). A total of 76 open reading frames (orfs) were i...

journal_title：Virus genes

authors： Jarling M,Bartkowiak K,Pape H,Meinhardt F

更新日期：2004-08-01 00:00:00

abstract：:N20-RNA 3L, a large form of RNA 3 associated with Alfalfa mosaic virus (AMV) strain N20 comprises 2281 nt and has approximately 97% overall sequence similarity to the longest previously described RNA 3 of AMV strain YSMV (YSMV-RNA 3; 2188 nt). Compared with YSMV-RNA 3, N20-RNA 3L contains an additional 97 nt in the 5'...

journal_title：Virus genes

authors： Jayasena KW,Randles JW

更新日期：2004-12-01 00:00:00

abstract：:Canine distemper (CD) is a highly contagious, often fatal, multisystemic, and incurable disease in dogs and other carnivores, which is caused by canine distemper virus (CDV). Although vaccines have been used as the principal means of controlling the disease, CD has been reported in vaccinated animals. The hemoagglutin...

journal_title：Virus genes

authors： Li W,Li T,Liu Y,Gao Y,Yang S,Feng N,Sun H,Wang S,Wang L,Bu Z,Xia X

更新日期：2014-08-01 00:00:00

abstract：:Betasatellites are single-stranded circular DNAs associated with a number of monopartite begomoviruses. Betasatellites rely on the helper begomoviruses for replication and movement in plant tissues and plant-to-plant transmission by vectors. Their genomes are approximately half the size of the helper viruses and consi...

journal_title：Virus genes

authors： Eini O,Behjatnia SA

更新日期：2016-10-01 00:00:00

abstract：:Spodoptera litura multicapsid nucleopolyhedrovirus (SpltMNPV) odv-e25 is 684 bp long, potentially encoding 227 amino acids with a predicted molecular weight of 24.9 kDa. Homology analysis indicated that SpltMNPV ODV-E25 has 35-65% amino acid identity with that of other known baculoviruses. RT-PCR results revealed that...

journal_title：Virus genes

authors： Li Z,Pan L,Yu H,Li S,Zhang G,Pang Y

更新日期：2006-02-01 00:00:00

abstract：:Hepatitis B virus (HBV), a major causative agent of hepatocellular carcinoma (HCC), encodes an oncogenic X protein (HBx) that transcriptionally activates multiple viral and cellular promoters. The present study aimed to identify the specific gene mutation related to the clinical outcome of HCC. Seventy-two HBV-infecte...

journal_title：Virus genes

authors： Fan W,Shi B,Wei H,Du G,Song S

更新日期：2011-04-01 00:00:00

abstract：:Amino acid and phylogenetic analysis showed that PB1-F2 of H7N7 and H3N8 equine influenza virus (EIV) evolved into two and nine clades, respectively. The PB1-F2 gene of H7N7 EIV strains isolated after 1973 was identified as being replaced by that of H3N8 EIV circulating simultaneously. All H7N7 EIV strains before 1973...

journal_title：Virus genes

authors： Lu G,Guo W,Qi T,Ma J,Zhao S,Tian Z,Pan J,Zhu C,Wang X,Xiang W

更新日期：2013-10-01 00:00:00

abstract：:Cell mediated immunity (CMI) is crucial for the defense against viruses. Cytotoxic T lymphocytes (CTLs) play a major role in CMI. They recognize endogenous antigenic peptides presented by antigen presenting cells in association with the major histocompatibility complex (MHC) class I molecules. The elucidation of the s...

journal_title：Virus genes

authors： Hegde NR,Srikumaran S

更新日期：1997-01-01 00:00:00

abstract：:The genomic diversity of Argentine Tospoviruses from different geographical areas, and from several distinct crops was analysed here. For each isolate, RT-PCR, cloning and sequencing of a 450 nt fragment of the N gene were performed. Comparisons of RNA and predicted amino acid sequence identity and similarity were mad...

journal_title：Virus genes

authors： Dewey R,Semorille L,Crisci J,Grau O

更新日期：1996-01-01 00:00:00

abstract：:Recently, we reported that the frequency of hepatitis C virus (HCV) genotypes and subtypes has rapidly changed among intravenous drug users (IDUs) in Yunnan Province over the last 5 years; this is especially true for subtype 6a which has increased in frequency from 5 to 15%. Here, we assessed 120 HCV-positive plasma s...

journal_title：Virus genes

authors： Li Q,Yao Y,Shen Y,Cao D,Li Y,Zhang S,Cun W,Sun M,Yu J,Shi L,Dong S

更新日期：2017-04-01 00:00:00

abstract：:Japanese encephalitis (JE), which is a mosquito-borne arboviral infection, is the leading cause of viral encephalitis in Asian countries. The causative agent of JE is Japanese encephalitis virus (JEV), in which the predominant genotype has changed from genotype III (G III) to genotype I (G I). However, a method for th...

journal_title：Virus genes

authors： Zhang L,Cao S,Wu R,Zhu S,Liu H,Yuan L,Shi S,Zhang D,Huang X,Wen X,Wen Y,Yan Q,Huang Y,Ma X

更新日期：2015-04-01 00:00:00

abstract：:The baculovirus system was used to express the X protein of human hepatitis B virus (HBV). The X open reading frames (X ORFs) from cloned viral DNA of the HBV subtypes ayw and adr were introduced into the genome of Autographa californica nuclear polyhedrosis virus (AcNPV). The HBV-DNA of subtype adr derived from a hep...

journal_title：Virus genes

authors： Klein R,Schröder CH,Zentgraf H

更新日期：1991-04-01 00:00:00

abstract：:Canine distemper virus (CDV) causes a highly contagious disease in a wide range of carnivores. The hemagglutinin (H) protein of viruses shows the highest variability and plays an important role in modulation of viral antigenicity, virulence, and receptor recognition. Since 2012, canine distemper (CD) outbreaks in fur-...

journal_title：Virus genes

authors： Tao R,Ba H,Chen J,Liu M,Pan H,Li X,Wang Q,Zhao J

更新日期：2020-02-01 00:00:00

abstract：:A novel fluorescent probe-based real-time reverse transcription recombinase polymerase amplification (real-time RT-RPA) assay was developed for rapid detection of highly pathogenic type 2 porcine reproductive and respiratory syndrome virus (HP-PRRSV). The sensitivity analysis showed that the detection limit of RPA was...

journal_title：Virus genes

authors： Yang Y,Qin X,Sun Y,Chen T,Zhang Z

更新日期：2016-12-01 00:00:00

abstract：:A maximum clade credibility tree constructed using the full-length spike (S) and hemagglutinin-esterase genes revealed that Vietnamese Bovine coronavirus (BCoV) strains belong to a single cluster (C1); therefore, they might share a common origin with Cuban and Chinese BCoV strains. The omega values of cluster 1 (C1) a...

journal_title：Virus genes

authors： Shin J,Tark D,Le VP,Choe S,Cha RM,Park GN,Cho IS,Nga BTT,Lan NT,An DJ

更新日期：2019-06-01 00:00:00

abstract：:Molecular characterization of Bovine leukemia virus (BLV) isolates from Brazil using the env gene sequences revealed a high conservation of this gene. In most cases the substitutions corresponded to silent transitions. In addition, cystein residues, potential glycosylation sites, neutralization domains and other criti...

journal_title：Virus genes

authors： Camargos MF,Pereda A,Stancek D,Rocha MA,dos Reis JK,Greiser-Wilke I,Leite RC

更新日期：2007-06-01 00:00:00

abstract：:The broad distribution and prevalence of H3 subtype influenza viruses in avian and mammalian hosts constitutes a global threat to both human and veterinary health. In this present study, six H3N8 influenza viruses isolated from domestic ducks during 2004-2005 in northern China were genetically and phylogenetically cha...

journal_title：Virus genes

authors： Pu J,Liu QF,Xia YJ,Fan YL,Brown EG,Tian FL,Liu JH

更新日期：2009-02-01 00:00:00

abstract：:Two ribozyme genes were designed to cut within the VP4 and VP3 sequences of foot and mouth disease virus (FMDV) Asia1 serotype genome. The two genes were synthesized and cloned into pBluescript under the control of the T3 promoter. The ribozyme designed to cut the VP4 gene contained two catalytic sequences targeted to...

journal_title：Virus genes

authors： Stram Y,Molad T

更新日期：1995-01-01 00:00:00