Mutations In Classical Swine Fever Virus NS4B Affect Virulence In Swine
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Functional analysis of replication determinantsin classical
Functional analysis of replication determinants in classical swine fever virus CSFV har, ligesom andre RNA-virus, en høj mutationsrate, economically significant viral disease affecting domestic pigs and wild boar. Classical domain of NS4B from a low virulence strain was exchanged with the corresponding sequence.
CIRRICULUM VITAE - World Society for Virology
Expertise in rational vaccine design by identification and deletion or mutation of (2009). Mutations in classical swine fever virus NS4B affect virulence in swine.
Plum Island Animal Disease Center - USDA ARS
29 Sep 2009 Mutations in Classical Swine Fever Virus NS4B Affect Virulence in. Swine. 5. The Early Pathogenesis of Foot-and-Mouth Disease in Cattle After.
SERTA Domain Containing Protein 1 (SERTAD1 - MDPI
by EA Vuono 2020 Cited by 3 Interacts with Classical Swine Fever Virus Structural. Glycoprotein E2 a recombinant CSFV mutant (E2ASERTAD1v) that harbors substitutions in those residues mediating interaction in viral replication and virulence in swine. phenotype affecting virus replication in vitro and virus virulence in vivo.
Identification of an NTPase motif in classical swine fever virus
by NG Vepkhvadze 2011 Cited by 25 mutant viruses retained a virulent phenotype, as parental strain Brescia, in infected CSF is a highly contagious and often fatal disease that affects swine Mutations in Walker A and B motifs affect NS4B NTPase activity.
Replication-Defective Herpes Simplex Virus Mutant Strains as Genital Herpes virulence of classical swine fever virus strain Brescia. J Virol 78:8812 8823. 8.
Immunopathogenesis of postnatal persistent infection
by S Muñoz González Cited by 1 persistent infection generated by classical swine fever virus and its moderate virulence CSFV strains to produce postnatal persistent infection early The NS4B protein is also necessary to form the replication complex et al., 2011a); survival of affected animals ranges from 2 to 3 months after Mutations in the carboxyl.
Safety and efficacy of a novel live marker vaccine against
by C Dräger Classical swine fever virus marker vaccine strain CP7 E2alf: Shedding and harbors virulence determinants (Hausmann et al., 2004; Hulst and Moormann, 2001; European outbreaks that affected The Netherlands from 1997 to 1998, revealed one non-synonymous mutation in the Erns of CP7 E2alf
CHARACTERIZATION OF NSI GLYCOSYLATION MUTANT
by MC Whiteman 2008 swine fever viruses, Hepacivirus that includes hepatitis C virus (HCV) and the genus Infection of WNV may be identified in the serum or CSF by enzyme glycosylation site affects the virulence of WNV in mice, decreases infectivity in cell liberates a transmembrane signal peptide from the N-terminus of NS4B named 2K.
Protection against transplacental transmission of Classical
by J Henke 2019 moderately virulent classical swine fever virus using live marker vaccine CP7 E2alf ', erschienen It has tremendous impact on animal health and pig industry and is therefore notifiable to the The mutation responsible for the adaptation lies within the Erns activity and dimerization of the Erns [98,99], and NS4B .
Atypical Classical Swine Fever Infection Changes Interleukin
by YK Sun 2014 Cited by 1 Classical Swine Fever Virus (CSFV), the highly contagious agent of CSF, is a ferent stages of pregnancy inoculated with a low-virulence. Atypical Classical Swine Fever Zhu, J., Carrillo, C., Risatti, G. R. and Borca, M. V.: Mutations in classical swine fever virus NS4B affect virulence in swine. J. Virol. 84, 1536-1549, 2010
Complete genomic characteristics and pathogenic analysis of
the genomic characteristics and pathogenicity of the newly emerged CSFV isolates Keywords: Swine, Classical swine fever virus, Sub-genotype 2.1d, Molecular identities of NS3, NS4A and NS4B between the new iso- Some mutation or deletion regions of cleotide deletions in the 3'UTR affect the interactions with.
E2 and Erns of classical swine fever virus C-strain play central
by T Cao 2019 Cited by 4 The classical swine fever virus (CSFV) C-strain has been used as a vaccine strain for over 60 NS2, NS3, NS4A, NS4B, NS5A, and NS5B) [3, 4]. China via serial passages of a virulent strain in rabbits [5, There was a single mutation located at E2 (T3310A) in viruses in the rabbits that might affect viral adaptation, the.
Metagenomic, Viral and Host Genetic Analyses of Congenital
by K Sutton 2020 Recent viral sequencing of affected samples, including our research, classical swine fever virus (CSFV), atypical porcine pestivirus (APPV), border disease mutations in the C protein would result in either enlarged or lack of C protein. that multiple regions in the CSFV genome can contribute to the virulence of the
Comparison of Surface-Plasmon-Resonance Biosensor
Western Blot Assay for Detection of GPE- Strain of Classical Swine Fever Virus by Using WH211 and Classical Swine Fever Virus (CSFV) with the size only between 40-60 passages of the virulent CSFV ALD strain in cells of swine, bovine, and Groove Binding (MGB) probe for detection of mutations in wild-types.
Epizone abstract book 11th AM
21 Sep 2017 impact. The emergence of these infectious animal diseases remains a topical issue which of Classical swine fever virus using live marker vaccine CP7 E2alf virus and mutations of these viruses into high virulent isolates seem to replacing the 6551-8025 region (82 last nucleotides of NS4A, NS4B,
The Epitope Recognized by Monoclonal Antibody 2B6 in the B
by C Tong 2015 Cited by 8 Domains of Classical Swine Fever Virus Glycoprotein E2 Affects Viral The recombinant viruses containing individual mutations on the.
SUMMARY NOTIFICATION INFORMATION FORMAT FOR
9 Jun 2010 the animal experiments led to the identification of 10 mutations. affect known B- or T-cell epitopes in this region. NS4B. 10393. G → T. S → I. NS5B. 12022. C → A. T → K. NS5B challenge infection with classical swine fever virus after both After challenge infection with highly virulent CSFV, all pigs
Identification of structural glycoprotein E2 domain critical to
by MV Borca 2019 Cited by 10 Envelope glycoprotein E2 of Classical Swine Fever Virus (CSFV) is involved in mutants containing partial or complete deletions of the E2 gene are nonviable (7). introduced into this glycoprotein appear to have an important effect on CSFV A full-length infectious clone (IC) of the virulent Brescia strain (pBIC) (12) was
Immunopathogenesis of postnatal persistent - ddd-UAB
by S Muñoz González 2017 Cited by 1 persistent infection generated by classical swine fever virus and its moderate virulence CSFV strains to produce postnatal persistent infection early The NS4B protein is also necessary to form the replication complex et al., 2011a); survival of affected animals ranges from 2 to 3 months after Mutations in the carboxyl.
Epitope mapping of the Classical swine fever virus glycoprotein E2
Epitope mapping of the Classical swine fever virus glycoprotein E2. A thesis submitted for the degree of. Doctor of Natural Sciences (Dr.rer.nat.) in the subject of
สำนักหอสมุดกลาง - Silpakorn University
by A Dechpan 2011 Nucleocapsid Protein of the Classical Swine Fever Virus that found in Thailand amino acid substitution mutants can escape from capture by antibodies (34, 124). In period can range from 2 to 15 days, depending on the virulence of the strain, the route In breeding herds affected with CSF, there is often a rise in.
Recoding structural glycoprotein E2 in classical swine fever
by L Velazquez-Salinas 2016 Cited by 12 Controlling classical swine fever (CSF) mainly involves vaccination with live attenuated vaccines (LAV). Experimental (NH2-Npro-C-Erns-E1-E2-p7-NS2-NS3-NS4A-NS4B-NS5A-NS5B- lead to partial or complete attenuation of virulent viruses in swine mutant viruses, we wanted to evaluate any potential effect that.
Animal health safety of fresh meat derived from pigs - EFSA
2009 Cited by 1 terms of reference were given: a) what is the risk that wild-type CSF virus is present on the strain virulence, the age and breed, infected pigs die rapidly or may Effect of vaccination when 20% of susceptible individuals resulted vaccinated deletion mutants or chimaeric vaccines), an rRT-PCR positive result would be
P108 and T109 on E2 Glycoprotein Domain I Are - BMJ Open
E2DomainII of C-strain based on the non-rabbit-adaptive Shimen mutant vSM-HCLVErns carrying the Erns highly virulent CSFV Shimen strain by affecting viral entry during infection but do not attenuate KEYWORDS adaptation, classical swine fever virus, entry, virulence. Viruses have a nants in E2 and NS4B. J Virol
Classical swine fever virus - TiHo eLib
by L Ganges 2020 Cited by 15 Nevertheless, CSF virus (CSFV) persists in certain areas of the world and Mutations in classical swine fever virus NS4B affect virulence in.
Continuous Passaging of a Recombinant C-Strain Virus in PK
by C Tong 2017 Cited by 9 Classical swine fever virus (CSFV) is the etiologic agent of classical can be adapted to cell culture by introducing specific mutations in its E2 protein. based recombinant viruses in cell lines would affect its at 3531 (V1053L in E2), and C to T at 8268 (L2645F in NS4B). infection with virulent HCV.
FHC, an NS4B-interacting Protein, Enhances Classical Swine
by G Qian 2018 Cited by 2 Classical swine fever virus (CSFV), the etiological agent of classical swine fever, Mutations in classical swine fever virus NS4B affect virulence in swine. J Virol
N of classical swine fever virus contributes to pathogenicity in
by T Tamura 2014 Cited by 37 Classical swine fever (CSF) caused by CSF virus (CSFV) is a highly contagious disease of pigs. mutation that abolished its capacity to bind and degrade IRF3, rendering it unable to prevent and V2475A and A2563V in NS4B, were found to be re- suppression of IFN-α/β production and affects virus.
A Novel Role of Classical Swine Fever Virus Erns
by Y Xia 2007 Cited by 10 block capacity. In addition, Erns-EGFP mutations with Classical swine fever virus (CSFV), together with bovine viral diarrhea virus S4A-NS4B-NS5A-NS5B-COOH) (Lindenbach and Rice, 2001). effect of infection with heterogenous virus or the addition of The CSFV standard highly virulent Shimen-strain, vaccine C-.
The E2 Glycoprotein of Classical Swine Fever Virus Is a
by A Pataer 2010 Cited by 25 The E2 Glycoprotein of Classical Swine Fever Virus Is a Virulence. Determinant in Swine NH2-Npro-C-Erns-E1-E2-p7-NS2-NS3-NS4A-NS4B-NS5A-. NS5B-COOH (23). Protein C different Erns mutations in virus attenuation (17, 19). Addition- death, while a transient and much less dramatic effect was observed for
Functional and structural analysis of pestivirus E1 - Refubium
by Y Mu 2021 Deskriptoren: pestivirus, viral morphology, glycoproteins, genetic analysis, 5.3.4 Effect of selected mutations in E1 on the replication of BVDV strain CP7 (CSF). It has enormous impact on animal health and pig industry worldwide. This finding further supports the connection between virulence and Erns dimerization.
Creation of Functional Viruses from Non-Functional cDNA
by U Fahnøe 2015 Cited by 18 RNA viruses have the highest known mutation rates. classical swine fever virus (CSFV) using deep sequencing and of the RNA-dependent RNA polymerase has been shown to affect viru- CSFV, high virulence has been related to high diversity . in NS2 and NS4B, and a silent mutation in NS5B.
A positively charged surface patch on the pestivirus NS3
by F Zheng 2021 alanine or aspartic acid hardly affect ATPase activity. When these mutations were introduced into a classical swine fever virus structural proteins C, Erns, E1 and E2 [38, 41] and eight nonstructural proteins Npro, p7, NS2, NS3, NS4A, NS4B, autoprotease is crucial for replication and pathogenicity of an RNA virus.
Volume I - International Pig Veterinary Society
genetic mutations, resulting the bottleneck effects of Muller's Ratchet and fitness virulence have also been detected in th US, with similar, but not identical Classical swine fever (CSF) is one of the most important viral diseases in pigs worldwide. targeting the NS3 and NS4B encoding regions of APPV was performed to
Classical Swine Fever Virus vs. Classical Swine Fever - PLOS
by S Muñoz-González 2016 Cited by 18 ulated with the virulent strain Margarita (secondary virus). virus (BVDV) and classical swine fever virus (CSFV). Classical swine etiological agent of a highly contagious viral disease of swine affecting domestic pigs and wild NS3, NS4A, NS4B, NS5A, and NS5B . A positively selected mutation.
Analysis of a pair of END+ and END− viruses derived from
by T KOZASA 2015 Cited by 6 Based on these differences, viruses with and without mutations at these positions (BVDVs) 1 and 2, classical swine fever virus (CSFV) and distinguished by their ability to induce a cytopathic effect and cloned from the virulent ALD strain , is a Japanese NS3, NS4A, NS4B, NS5A and NS5B) [3, 16, 25, 31, 35].
6. ペスチウイルス - 日本ウイルス学会
by 迫田義博 2011 Cited by 1 E1，E2）をはさんで p7，NS2-3，NS4A，NS4B，NS5A， Mutations in classical swine fever virus NS4B affect virulence in swine. J Virol 84:1536-1549,
Download book PDF
28 Jun 2011 This book series discusses the various infectious diseases affecting the livestock virulent strain of IBD in poultry in Europe and highly virulent strain of Newcastle change their antigenic make-up as a result of spontaneous mutations resistant to classical swine fever virus and PRRS virus (Burkard et al.
Classical swine fever virus and p7 protein induce secretion of
by Z Lin 2014 Cited by 27 Classical swine fever virus (CSFV) has a tropism for vascular endothelial cells and (CSFV), is a highly contagious viral disease affecting pigs teins (Npro, p7, NS2, NS3, NS4A, NS4B, NS5A and NS5B) involved in virulence in swine, pore formation and modi- generation of infectious virions, whilst mutations in bovine.
An emerging novel virus: Atypical porcine pestivirus (APPV)
by S Pan 2018 Cited by 13 species, comprising classical swine fever virus (CSFV), border disease virus (BDV) Severely affected piglets may die later because of inadequate colos- trum intake the range of mutation rate as pestiviruses have. In addition NS4B, or NS5B have then been developed to detect the APPV and quantify
Classical swine fever virus non-structural protein 4B binds
by H LV 2020 Cited by 2 CSF is caused by classical swine fever virus (CSFV), which belongs domain. NS4B inhibits TLR7-activating effects induced by imiquimod, while the NS4B mutation within TIR-like Additionally, NS4B is associated with CSFV virulence (Ta-.
Complete genome sequences of three sub - Sciendo
of virulence determinants and the evolutionary trend of CSFV. Keywords: classical swine fever virus, complete genomic analysis, sub-genotype 2.1b, genomic
Investigation of Porcine Interferons as a metaphylactic
by B Crudgington Classical Swine Fever (CSF) is an important viral disease of swine. The application Assessing biological activity and antiviral effect of PoIFNs on porcine cells inhibiting type I interferon induction and a mutant CSFV strains containing an Npro cells and has been associated with CSFV virulence (Meyers et al, 1999).
Identification of a novel virulence determinant within the E2
by GR Risatti 2006 Cited by 81 Classical swine fever virus (CSFV) E2 glycoprotein contains a discrete epitope (TAVSPTTLR, mutations of the WH303 epitope affecting the ability of CSFV.
Epidemiological aspects of Border Disease Virus infection in
Experimental infection with high- and low-virulence strains of Border Disease Virus Swine Fever Virus (CSFV) as the causative agent was reported in 1904 (Schwenitiz England and Wales a disease affecting sheep was described being called Border NS4B and NS5B seem to play an essential role in virus replication,
Hypervariable antigenic region 1 of classical swine fever virus
by X Liao 2016 Cited by 10 Envelope glycoprotein E2 of classical swine fever virus (CSFV) is the major antigen and examine its impact on neutralization titers when antisera from different N729D) was mutated and introduced into pA-FL22 using the Quick HAR1 and RecC-HZ-E2) could alter virulence in pigs because E2 is a.
Selection of Classical Swine Fever Virus with - HUSCAP
by T Tamura 2012 Cited by 58 changes in NS4B enhanced the viral RNA replication. In conclusion, the Mutations in classical swine fever virus NS4B affect virulence in swine. J. Virol.
Studying classical swine fever virus: Making the best of a bad
by W Ji 2015 Cited by 59 The etiological agent of CSF is classical swine fever virus (CSFV), which belongs to the pigs (Tamura et al., 2012), when there are mutations and selection. Table 1 E2, P7, NS4B) have been found to be related to virulence in CSFV through reverse complex. This has no effect on RNA replication, but halts the pro-.
Mutation of E1 glycoprotein of classical swine fever virus
by GR Risatti 2005 Cited by 79 viral virulence in swine. G.R. Risatti a,1 Introduction. Classical swine fever virus (CSFV) is the causative agent of E1 mutation affects CSFV virulence in pigs.