Database : MEDLINE
Search on : Birnaviridae and Infections [Words]
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[PMID]: 29111456
[Au] Autor:Smeele ZE; Ainley DG; Varsani A
[Ad] Address:The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, AZ 85287-5001, USA; School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
[Ti] Title:Viruses associated with Antarctic wildlife: From serology based detection to identification of genomes using high throughput sequencing.
[So] Source:Virus Res;243:91-105, 2018 01 02.
[Is] ISSN:1872-7492
[Cp] Country of publication:Netherlands
[La] Language:eng
[Ab] Abstract:The Antarctic, sub-Antarctic islands and surrounding sea-ice provide a unique environment for the existence of organisms. Nonetheless, birds and seals of a variety of species inhabit them, particularly during their breeding seasons. Early research on Antarctic wildlife health, using serology-based assays, showed exposure to viruses in the families Birnaviridae, Flaviviridae, Herpesviridae, Orthomyxoviridae and Paramyxoviridae circulating in seals (Phocidae), penguins (Spheniscidae), petrels (Procellariidae) and skuas (Stercorariidae). It is only during the last decade or so that polymerase chain reaction-based assays have been used to characterize viruses associated with Antarctic animals. Furthermore, it is only during the last five years that full/whole genomes of viruses (adenoviruses, anelloviruses, orthomyxoviruses, a papillomavirus, paramyoviruses, polyomaviruses and a togavirus) have been sequenced using Sanger sequencing or high throughput sequencing (HTS) approaches. This review summaries the knowledge of animal Antarctic virology and discusses potential future directions with the advent of HTS in virus discovery and ecology.
[Mh] MeSH terms primary: Animals, Wild/virology
Genome, Viral
Virus Diseases/veterinary
Viruses/isolation & purification
[Mh] MeSH terms secundary: Animals
Animals, Wild/blood
Antarctic Regions
Antibodies, Viral/blood
High-Throughput Nucleotide Sequencing
Virus Diseases/blood
Virus Diseases/virology
Viruses/classification
Viruses/genetics
Viruses/immunology
[Pt] Publication type:JOURNAL ARTICLE; REVIEW; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Name of substance:0 (Antibodies, Viral)
[Em] Entry month:1801
[Cu] Class update date: 180209
[Lr] Last revision date:180209
[Js] Journal subset:IM
[Da] Date of entry for processing:171108
[St] Status:MEDLINE

  2 / 937 MEDLINE  
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[PMID]: 28743463
[Au] Autor:Rivas-Aravena A; Muñoz P; Jorquera P; Diaz A; Reinoso C; González-Catrilelbún S; Sandino AM
[Ad] Address:Comisión Chilena de Energía Nuclear, Departamento de Aplicaciones Nucleares, Laboratorio de Radiobiología Celular y Molecular. Nueva Bilbao 12501, Las Condes, Santiago, Chile; Universidad San Sebastián, Facultad de Ciencias, Lota 2465, Providencia, Santiago, Chile. Electronic address: andrea.rivas@c
[Ti] Title:Study of RNA-A Initiation Translation of The Infectious Pancreatic Necrosis Virus.
[So] Source:Virus Res;240:121-129, 2017 08 15.
[Is] ISSN:1872-7492
[Cp] Country of publication:Netherlands
[La] Language:eng
[Ab] Abstract:The infectious pancreatic necrosis virus (IPNV) is a salmonid pathogen that causes significant economic losses to the aquaculture industry. IPNV is a non-enveloped virus containing two uncapped and non-polyadenylated double strand RNA genomic segments, RNA-A and RNA-B. The viral protein Vpg is covalently attached to the 5' end of both segments. There is little knowledge about its viral cycle, particularly about the translation of the RNAs. Through experiments using mono and bicistronic reporters, in this work we show that the 120-nucleotide-long 5'-UTR of RNA-A contains an internal ribosome entry site (IRES) that functions efficiently both in vitro and in salmon cells. IRES activity is strongly dependent on temperature. Also, the IRES structure is confined to the 5'UTR and is not affected by the viral coding sequence. This is the first report of IRES activity in a fish virus and can give us tools to generate antivirals to attack the virus without affecting fish directly.
[Mh] MeSH terms primary: Birnaviridae Infections/veterinary
Fish Diseases/virology
Infectious pancreatic necrosis virus/genetics
Protein Biosynthesis
RNA, Viral/genetics
[Mh] MeSH terms secundary: 5' Untranslated Regions
Animals
Birnaviridae Infections/virology
Gene Expression Regulation, Viral
Infectious pancreatic necrosis virus/chemistry
Infectious pancreatic necrosis virus/metabolism
Internal Ribosome Entry Sites
Nucleic Acid Conformation
RNA, Messenger/chemistry
RNA, Messenger/genetics
RNA, Messenger/metabolism
RNA, Viral/chemistry
RNA, Viral/metabolism
Ribosomes/genetics
Ribosomes/metabolism
Salmo salar
Viral Proteins/genetics
Viral Proteins/metabolism
[Pt] Publication type:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Name of substance:0 (5' Untranslated Regions); 0 (Internal Ribosome Entry Sites); 0 (RNA, Messenger); 0 (RNA, Viral); 0 (Viral Proteins)
[Em] Entry month:1801
[Cu] Class update date: 180209
[Lr] Last revision date:180209
[Js] Journal subset:IM
[Da] Date of entry for processing:170727
[St] Status:MEDLINE

  3 / 937 MEDLINE  
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[PMID]: 28921008
[Au] Autor:Shehata AA; Sultan H; Halami MY; Talaat S; Vahlenkamp TW
[Ad] Address:Faculty of Veterinary Medicine, Center for Infectious Diseases, Institute of Virology, Leipzig University, An den Tierkliniken 29, 04103, Leipzig, Germany. dr_awadali_1@yahoo.com.
[Ti] Title:Molecular characterization of very virulent infectious bursal disease virus strains circulating in Egypt from 2003 to 2014.
[So] Source:Arch Virol;162(12):3803-3815, 2017 Dec.
[Is] ISSN:1432-8798
[Cp] Country of publication:Austria
[La] Language:eng
[Ab] Abstract:In the present study, four very virulent infectious bursal disease virus (vvIBDV) isolates from flocks of chickens with vaccination failure in Egypt in 2003, 2007, 2010 and 2014 were characterized. The four viruses, designated USC2003, USC2007, USC2010 and USC2014, were detected by reverse transcription PCR, subjected to sequencing of both genomic segments (A and B) and compared with geographically and phylogenetically diverse IBDV strains. Phylogenetic analysis of segment A (complete) and B (partial) revealed a close relationship between Egyptian and vvIBDV reference strains of European and Asian origin. The sequences of segments of A and B the current Egyptian isolates were 96.1-98.2% and 96.5-98.7% identical, respectively, to those of other known vvIBDV isolates. The deduced amino acid sequences of VP1, polyprotein (pVP2-VP4-VP3) and VP5 revealed the presence of putative virulence determinants of Egyptian isolates compared with vvIBDV and less virulent (classical and variant) strains. The Egyptian isolates also possess unique amino acids substitutions within the hypervariable region of VP2 that differ from those of other reference IBDV strains. Further studies may be necessary to determine the pathogenic significance of these amino acid substitutions to fully understand the molecular epidemiology and evolution of IBDV.
[Mh] MeSH terms primary: Birnaviridae Infections/veterinary
Genetic Variation
Infectious bursal disease virus/genetics
Infectious bursal disease virus/isolation & purification
Poultry Diseases/pathology
Poultry Diseases/virology
[Mh] MeSH terms secundary: Animals
Birnaviridae Infections/epidemiology
Birnaviridae Infections/pathology
Birnaviridae Infections/virology
Chickens
Egypt/epidemiology
Infectious bursal disease virus/classification
Molecular Epidemiology
Phylogeny
Poultry Diseases/epidemiology
RNA, Viral/genetics
Reverse Transcriptase Polymerase Chain Reaction
Sequence Analysis, DNA
Sequence Homology
Viral Proteins/genetics
Virulence
Virulence Factors/genetics
[Pt] Publication type:JOURNAL ARTICLE
[Nm] Name of substance:0 (RNA, Viral); 0 (Viral Proteins); 0 (Virulence Factors)
[Em] Entry month:1711
[Cu] Class update date: 171113
[Lr] Last revision date:171113
[Js] Journal subset:IM
[Da] Date of entry for processing:170919
[St] Status:MEDLINE
[do] DOI:10.1007/s00705-017-3554-3

  4 / 937 MEDLINE  
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[PMID]: 28825213
[Au] Autor:Michel LO; Jackwood DJ
[Ad] Address:Food Animal Health Research Program, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave., Wooster, OH, 44691, USA.
[Ti] Title:Classification of infectious bursal disease virus into genogroups.
[So] Source:Arch Virol;162(12):3661-3670, 2017 Dec.
[Is] ISSN:1432-8798
[Cp] Country of publication:Austria
[La] Language:eng
[Ab] Abstract:Infectious bursal disease virus (IBDV) causes infectious bursal disease (IBD), an immunosuppressive disease of poultry. The current classification scheme of IBDV is confusing because it is based on antigenic types (variant and classical) as well as pathotypes. Many of the amino acid changes differentiating these various classifications are found in a hypervariable region of the capsid protein VP2 (hvVP2), the major host protective antigen. Data from this study were used to propose a new classification scheme for IBDV based solely on genogroups identified from phylogenetic analysis of the hvVP2 of strains worldwide. Seven major genogroups were identified, some of which are geographically restricted and others that have global dispersion, such as genogroup 1. Genogroup 2 viruses are predominately distributed in North America, while genogroup 3 viruses are most often identified on other continents. Additionally, we have identified a population of genogroup 3 vvIBDV isolates that have an amino acid change from alanine to threonine at position 222 while maintaining other residues conserved in this genogroup (I242, I256 and I294). A222T is an important mutation because amino acid 222 is located in the first of four surface loops of hvVP2. A similar shift from proline to threonine at 222 is believed to play a role in the significant antigenic change of the genogroup 2 IBDV strains, suggesting that antigenic drift may be occurring in genogroup 3, possibly in response to antigenic pressure from vaccination.
[Mh] MeSH terms primary: Birnaviridae Infections/veterinary
Genotype
Infectious bursal disease virus/classification
Infectious bursal disease virus/genetics
Poultry Diseases/virology
Viral Structural Proteins/genetics
[Mh] MeSH terms secundary: Animals
Birnaviridae Infections/virology
Global Health
Phylogeography
Poultry
[Pt] Publication type:JOURNAL ARTICLE
[Nm] Name of substance:0 (VP2 protein, infectious bursal disease virus); 0 (Viral Structural Proteins)
[Em] Entry month:1711
[Cu] Class update date: 171119
[Lr] Last revision date:171119
[Js] Journal subset:IM
[Da] Date of entry for processing:170822
[St] Status:MEDLINE
[do] DOI:10.1007/s00705-017-3500-4

  5 / 937 MEDLINE  
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[PMID]: 28795226
[Au] Autor:Holopainen R; Eriksson-Kallio AM; Gadd T
[Ad] Address:Finnish Food Safety Authority Evira, Research and Laboratory Services Department, Virology Research Unit, Mustialankatu 3, 00790, Helsinki, Finland. riikka.holopainen@evira.fi.
[Ti] Title:Molecular characterisation of infectious pancreatic necrosis viruses isolated from farmed fish in Finland.
[So] Source:Arch Virol;162(11):3459-3471, 2017 Nov.
[Is] ISSN:1432-8798
[Cp] Country of publication:Austria
[La] Language:eng
[Ab] Abstract:Infectious pancreatic necrosis virus (IPNV) has been isolated annually since 1987 from salmonids without clinical signs at coastal fish farms in Finland. In the inland area, viral isolations were rare until 2012, when IPNV was detected at several freshwater fish farms. Between 2013 and 2015, the infection spread and IPNV was continuously isolated from several farms, both inland and on the coast. The aim of this study was to genetically characterise the IPNV isolates collected from Finnish coastal and inland fish farms over the last 15 years, and to detect genetic changes that may have occurred in the virus populations during the study period. The partial VP2 gene sequence from 88 isolates was analysed. In addition, a complete genomic coding sequence was obtained from 11 isolates. Based on the genetic analyses, Finnish IPNV isolates belong to three genogroups: 2, 5 and 6. The genetic properties of the isolates appear to vary between inland farms producing juveniles and food fish farms in the coastal region: the inland farms harboured genogroup 2 isolates, whereas at coastal farms, all three genogroups were detected. Little genetic variation was observed within the Finnish genogroup 2 and 5 isolates, whereas among the genogroup 6 isolates, two subgroups were detected. All isolates studied demonstrated amino acid patterns in the viral VP2 gene previously associated with avirulence. However, increased mortality was detected at some of the farms, indicating that more research is needed to clarify the relationship between the pathogenicity and genetic properties of IPNV isolates from different genogroups.
[Mh] MeSH terms primary: Birnaviridae Infections/veterinary
Fish Diseases/virology
Infectious pancreatic necrosis virus
Salmonidae
[Mh] MeSH terms secundary: Animals
Aquaculture
Birnaviridae Infections/epidemiology
Birnaviridae Infections/virology
Finland/epidemiology
Gene Expression Regulation, Viral
Genome, Viral
Infectious pancreatic necrosis virus/genetics
Phylogeny
Viral Structural Proteins/genetics
Viral Structural Proteins/metabolism
[Pt] Publication type:JOURNAL ARTICLE
[Nm] Name of substance:0 (VP2 protein, infectious pancreatic necrosis virus); 0 (Viral Structural Proteins)
[Em] Entry month:1710
[Cu] Class update date: 171027
[Lr] Last revision date:171027
[Js] Journal subset:IM
[Da] Date of entry for processing:170811
[St] Status:MEDLINE
[do] DOI:10.1007/s00705-017-3525-8

  6 / 937 MEDLINE  
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[PMID]: 28662410
[Au] Autor:Esmailnejad A; Nikbakht Brujeni G; Badavam M
[Ad] Address:Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.
[Ti] Title:LEI0258 microsatellite variability and its association with humoral and cell mediated immune responses in broiler chickens.
[So] Source:Mol Immunol;90:22-26, 2017 Oct.
[Is] ISSN:1872-9142
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:Major histocompatibility complex (MHC) has a profound influence on disease resistance or susceptibility, productivity and important economic traits in chicken. Association of the MHC with a wide range of immune responses makes it a valuable predictive factor for the disease pathogenesis and outcome. The tandem repeat LEI0258 is a genetic marker which is located within the B locus of chicken MHC and strongly associated with serologically defined haplotypes. LEI0258 microsatellite marker was applied to investigate the MHC polymorphism in Ross 308 broiler chicken (N=104). Association of LEI0258 alleles with humoral and cell mediated immune responses to Newcastle disease (ND), Infectious bursal disease (IBD) and Avian influenza (AI) vaccines were also examined. LEI0258 polymorphism was determined by PCR-based fragment analysis, and association of LEI0258 alleles with immune responses were evaluated using multivariate regression analysis and GLM procedures. A total of seven alleles ranging from 195 to 448bp were found, including two novel alleles (263 and 362bp) that were unique in Ross 308 broiler population. Association study revealed a significant influence of MHC alleles on humoral and cellular immune responses in Ross population (P<0.05). Alleles 385 and 448bp were associated with increased peripheral blood lymphocyte proliferation response. Alleles 300, 362 and 448bp had a positive effect on immune responses to Infectious bursal disease vaccine, and allele 263bp was significantly correlated with elevated antibody titer against Newcastle disease vaccine. Results obtained from this study confirmed the important role of MHC as a candidate gene marker for immune responses that could be used in genetic improvement of disease-resistant traits and resource conservation in broiler population.
[Mh] MeSH terms primary: Birnaviridae Infections/immunology
Chickens/immunology
Immunity, Cellular/genetics
Immunity, Humoral/genetics
Influenza in Birds/immunology
Microsatellite Repeats/genetics
Newcastle Disease/immunology
[Mh] MeSH terms secundary: Alleles
Animals
Birnaviridae Infections/veterinary
Birnaviridae Infections/virology
Cell Proliferation
Chickens/genetics
Genetic Markers/genetics
Influenza Vaccines/immunology
Influenza in Birds/virology
Major Histocompatibility Complex/genetics
Major Histocompatibility Complex/immunology
Newcastle Disease/virology
Polymorphism, Genetic/genetics
Viral Vaccines/immunology
[Pt] Publication type:JOURNAL ARTICLE
[Nm] Name of substance:0 (Genetic Markers); 0 (Influenza Vaccines); 0 (Newcastle disease virus vaccine MTH-68-H); 0 (Viral Vaccines)
[Em] Entry month:1711
[Cu] Class update date: 171107
[Lr] Last revision date:171107
[Js] Journal subset:IM
[Da] Date of entry for processing:170630
[St] Status:MEDLINE

  7 / 937 MEDLINE  
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[PMID]: 28523925
[Au] Autor:Norouzian H; Farjanikish G; Hosseini H
[Ti] Title:Genetic and pathologic characteristics of infectious bursal disease viruses isolated from broiler chickens in Iran during 2014-2015.
[So] Source:Acta Virol;61(2):191-196, 2017.
[Is] ISSN:0001-723X
[Cp] Country of publication:Slovakia
[La] Language:eng
[Ab] Abstract:Infectious bursal disease (IBD) virus causes a highly contagious immunosuppressive disease in chickens. A total number of 12 pooled bursal samples were collected during 2014-2015 from broiler farms in different regions of Iran. Typical macroscopical and histopathological lesions of the bursa of Fabricius were found similar to reports by other researchers. A 474-bp part of hypervariable region of VP2 (hvVP2) was sequenced and analyzed. Ten isolates had the characteristic amino acid residues of very virulent IBD (vvIBD) viruses and the other two were identified as attenuated (vaccine) strains. The vvIBD isolates had a unique G to S mutation at position 254, compared to other Iranian vvIBD isolates. Two attenuated isolates had the mutation 253Q, not found in D78 strain, creating virulent variant of vaccine strains. Degree of similarity among the studied vvIBD isolates was relatively high (97.6-100%), proposing a common ancestor for them. However, they were partly different from previous Iranian and neighbor countries' isolates (96.2-97.3% similarity to Shiraz isolate and 95.7-96.7% to Iraq and Turkey isolates). In phylogenetic analysis, the studied vvIBD isolates classified as a separate subgroup in the group of isolates from Iran and neighbor countries. More studies on genetic and antigenic characteristics of these isolates as well as probable modifications in their pathogenicity are needed to evaluate the significance of the mentioned differences.
[Mh] MeSH terms primary: Birnaviridae Infections/veterinary
Chickens
Infectious bursal disease virus/genetics
[Mh] MeSH terms secundary: Animals
Birnaviridae Infections/epidemiology
Birnaviridae Infections/virology
Infectious bursal disease virus/pathogenicity
Iran/epidemiology
RNA, Messenger/genetics
RNA, Messenger/metabolism
[Pt] Publication type:JOURNAL ARTICLE
[Nm] Name of substance:0 (RNA, Messenger)
[Em] Entry month:1709
[Cu] Class update date: 170906
[Lr] Last revision date:170906
[Js] Journal subset:IM
[Da] Date of entry for processing:170520
[St] Status:MEDLINE
[do] DOI:10.4149/av_2017_02_09

  8 / 937 MEDLINE  
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[PMID]: 28494932
[Au] Autor:Kjærup RB; Juul-Madsen HR; Norup LR; Sørensen P; Dalgaard TS
[Ad] Address:Department of Animal Science, Aarhus University, Blichers Allé 20, P.O. Box 50, DK-8830 Tjele, Denmark. Electronic address: rikke.kjaerup@anis.au.dk.
[Ti] Title:Comparison of growth performance and immune parameters of three commercial chicken lines used in organic production.
[So] Source:Vet Immunol Immunopathol;187:69-79, 2017 May.
[Is] ISSN:1873-2534
[Cp] Country of publication:Netherlands
[La] Language:eng
[Ab] Abstract:Owing to the higher demands for avoiding medication and antibiotics, health status of the production animals plays an important role in the poultry industry, especially in organic poultry systems. Immunity plays a major role in keeping the host free from disease, and it is evident that the host's genetic make-up influences immunity and disease resistance/susceptibility in chickens. Previously, breeding strategies aimed at selection for resistance against specific diseases with the risk of creating less disease resistance against other pathogens. Changing breeding strategies towards selection of chickens with a more general and broad disease resistance or robustness may therefore improve the overall health status, animal welfare, and food security in the poultry production. The aim of this study was therefore to compare the immunocompetence of the presumed "robust" Hellevad chickens with two chicken lines widely used in organic production, Bovans Brown (Bovans) and Hisex White (Hisex). The chickens were subjected to a routine vaccination program comprising one parasite and four viral vaccines. The current study indicates that considerable differences in immunocompetence may exist between commercial layer lines used in organic production. The Hellevad chickens were found to have higher body weight at the end of the experiment (17 weeks of age) than the other two lines. Furthermore, Hellevad and Hisex chickens were found to have higher levels of humoral innate immunity with regard to sample to positive ratio of natural antibodies in serum and concentration of mannose-binding lectin in serum as compared to Bovans. Moreover, indications of an inflammatory response were observed in the Bovans at week 5, corresponding to 1 week after vaccination with live infectious bursal disease virus. With regard to adaptive immune parameters such as IgY concentration in blood and infectious bursal disease virus (IBDV)-specific antibody titres, the Hellevad and Hisex chickens had lower levels than the Bovans. How the differences observed in growth and immune parameters in the three chicken lines influence the immune protection against infection needs to be studied further.
[Mh] MeSH terms primary: Chickens/growth & development
Organic Agriculture/methods
[Mh] MeSH terms secundary: Animals
Birnaviridae Infections/immunology
Birnaviridae Infections/prevention & control
Birnaviridae Infections/veterinary
Chickens/immunology
Coronavirus Infections/immunology
Coronavirus Infections/prevention & control
Coronavirus Infections/veterinary
Female
Immunity, Cellular
Immunity, Humoral
Infectious bronchitis virus/immunology
Infectious bursal disease virus/immunology
Leukocyte Count/veterinary
Male
Poultry Diseases/immunology
Poultry Diseases/prevention & control
Species Specificity
Viral Vaccines/pharmacology
Weight Gain
[Pt] Publication type:COMPARATIVE STUDY; JOURNAL ARTICLE
[Nm] Name of substance:0 (Viral Vaccines)
[Em] Entry month:1709
[Cu] Class update date: 170929
[Lr] Last revision date:170929
[Js] Journal subset:IM
[Da] Date of entry for processing:170513
[St] Status:MEDLINE

  9 / 937 MEDLINE  
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[PMID]: 28439709
[Au] Autor:Wen CM
[Ad] Address:Department of Life Sciences, National University of Kaohsiung, No. 700, Kaohsiung University Road, Nan-Tzu District, Kaohsiung, 81148, Taiwan. wenchiumin@nuk.edu.tw.
[Ti] Title:Complete genome sequence and phylogenetic analyses of an aquabirnavirus isolated from a diseased marbled eel culture in Taiwan.
[So] Source:Arch Virol;162(8):2467-2471, 2017 Aug.
[Is] ISSN:1432-8798
[Cp] Country of publication:Austria
[La] Language:eng
[Ab] Abstract:An aquabirnavirus was isolated from diseased marbled eels (Anguilla marmorata; MEIPNV1310) with gill haemorrhages and associated mortality. Its genome segment sequences were obtained through next-generation sequencing and compared with published aquabirnavirus sequences. The results indicated that the genome sequence of MEIPNV1310 contains segment A (3099 nucleotides) and segment B (2789 nucleotides). Phylogenetic analysis showed that MEIPNV1310 is closely related to the infectious pancreatic necrosis Ab strain within genogroup II. This genome sequence is beneficial for studying the geographic distribution and evolution of aquabirnaviruses.
[Mh] MeSH terms primary: Aquabirnavirus/genetics
Aquabirnavirus/isolation & purification
Birnaviridae Infections/veterinary
Eels/virology
Fish Diseases/virology
Genome, Viral
[Mh] MeSH terms secundary: Animals
Aquabirnavirus/classification
Aquabirnavirus/pathogenicity
Aquaculture
Birnaviridae Infections/virology
Gills/pathology
Gills/virology
Hemorrhage/veterinary
Hemorrhage/virology
High-Throughput Nucleotide Sequencing
Infectious pancreatic necrosis virus/genetics
Phylogeny
Sequence Analysis, DNA
Taiwan
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1707
[Cu] Class update date: 170731
[Lr] Last revision date:170731
[Js] Journal subset:IM
[Da] Date of entry for processing:170426
[St] Status:MEDLINE
[do] DOI:10.1007/s00705-017-3382-5

  10 / 937 MEDLINE  
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[PMID]: 28413051
[Au] Autor:Li K; Liu Y; Zhang Y; Gao L; Liu C; Cui H; Qi X; Gao Y; Zhong L; Wang X
[Ad] Address:Avian Immunosuppressive Diseases Division, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China.
[Ti] Title:Protective efficacy of a novel recombinant Marek's disease virus vector vaccine against infectious bursal disease in chickens with or without maternal antibodies.
[So] Source:Vet Immunol Immunopathol;186:55-59, 2017 Apr.
[Is] ISSN:1873-2534
[Cp] Country of publication:Netherlands
[La] Language:eng
[Ab] Abstract:Infectious bursal disease (IBD) causes significant clinical and economic losses to the poultry industry worldwide. Current vaccine programs using live attenuated and inactivated vaccines have numerous drawbacks. As an alternative solution to control IBD, a Marek's disease virus (MDV) vector vaccine (rMDV-VP2) expressing the VP2 gene of infectious bursal disease virus (IBDV) has been developed. In this study, the protective efficacy of rMDV-VP2 was evaluated in a dose-related experiment which showed that a single dose of 1000 PFU was sufficient to fully protect chickens against IBDV infection. Chickens inoculated with lower doses of rMDV-VP2 (250 or 500 PFU) conferred 80 and 90% protection against IBDV. Next, rMDV-VP2 vaccine provided 90% protection against IBDV in commercial layer chickens with maternal antibodies, which was higher than the protective efficacy using the B87 live vaccine of IBDV. Additionally, rMDV-VP2 conferred effective protection against very virulent MDV challenge in chickens (95% for chickens vaccinated with 250 or 500 PFU and 100% for chickens vaccinated with 1000 or 2000 PFU). These results demonstrated that rMDV-VP2 may be a novel bivalent vaccine against IBD and Marek's disease in chickens.
[Mh] MeSH terms primary: Antibodies, Viral/immunology
Birnaviridae Infections/veterinary
Chickens
Infectious bursal disease virus
Marek Disease Vaccines/administration & dosage
Poultry Diseases/prevention & control
Viral Structural Proteins/immunology
[Mh] MeSH terms secundary: Animals
Birnaviridae Infections/immunology
Birnaviridae Infections/prevention & control
Immunity, Maternally-Acquired
Infectious bursal disease virus/genetics
Marek Disease Vaccines/genetics
Marek Disease Vaccines/immunology
Poultry Diseases/immunology
Vaccines, Synthetic/genetics
Vaccines, Synthetic/immunology
Viral Structural Proteins/genetics
[Pt] Publication type:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Name of substance:0 (Antibodies, Viral); 0 (Marek Disease Vaccines); 0 (VP2 protein, infectious bursal disease virus); 0 (Vaccines, Synthetic); 0 (Viral Structural Proteins)
[Em] Entry month:1708
[Cu] Class update date: 170821
[Lr] Last revision date:170821
[Js] Journal subset:IM
[Da] Date of entry for processing:170418
[St] Status:MEDLINE


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BIREME/PAHO/WHO - Latin American and Caribbean Center on Health Sciences Information