51
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Li PH, Zheng PP, Zhang TF, Wen GY, Shao HB, Luo QP. Fowl adenovirus serotype 4: Epidemiology, pathogenesis, diagnostic detection, and vaccine strategies. Poult Sci 2018; 96:2630-2640. [PMID: 28498980 DOI: 10.3382/ps/pex087] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 03/20/2017] [Indexed: 12/13/2022] Open
Abstract
Fowl adenovirus (FAdV) serotype-4 is highly pathogenic for chickens, especially for broilers aged 3 to 5 wk, and it has emerged as one of the foremost causes of economic losses to the poultry industry in the last 30 years. The liver is a major target organ of FAdV-4 infections, and virus-infected chickens usually show symptoms of hydropericardium syndrome. The virus is very contagious, and it is spread both vertically and horizontally. It can be isolated from infected liver homogenates and detected by several laboratory diagnostic methods (including an agar gel immunodiffusion test, indirect immunofluorescence assays, counterimmunoelectrophoresis, enzyme-linked immunosorbent assays, restriction endonuclease analyses, polymerase chain reaction (PCR), real-time PCR, and high-resolution melting-curve analyses). Although inactivated vaccines have been deployed widely to control the disease, attenuated live vaccines and subunit vaccines also have been developed, and they are more attractive vaccine candidates. This article provides a comprehensive review of FAdV-4, including its epidemiology, pathogenesis, diagnostic detection, and vaccine strategies.
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Affiliation(s)
- P H Li
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China.,Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Science, Wuhan, China
| | - P P Zheng
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China.,Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China
| | - T F Zhang
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China.,Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China
| | - G Y Wen
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China.,Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China
| | - H B Shao
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China.,Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China
| | - Q P Luo
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China.,Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Special 1, Nanhuyaoyuan, Hongshan District, Wuhan, 430064, China
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52
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Su Q, Li Y, Meng F, Cui Z, Chang S, Zhao P. Newcastle disease virus-attenuated vaccine co-contaminated with fowl adenovirus and chicken infectious anemia virus results in inclusion body hepatitis-hydropericardium syndrome in poultry. Vet Microbiol 2018; 218:52-59. [PMID: 29685221 DOI: 10.1016/j.vetmic.2018.03.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 02/22/2018] [Accepted: 03/16/2018] [Indexed: 01/24/2023]
Abstract
Inclusion body hepatitis-hydropericardium syndrome (IBH-HPS) induced by fowl adenovirus type 4 (FAdV-4) has caused huge economic losses to the poultry industry of China, but the source of infection for different flocks, especially flocks with high biological safety conditions, has remained unclear. This study tested the pathogenicity of Newcastle disease virus (NDV)-attenuated vaccine from a large-scale poultry farm in China where IBH-HPS had appeared with high mortality. Analysis revealed that the NDV-attenuated vaccine in use from the abovementioned poultry farm was simultaneously contaminated with FAdV-4 and chicken infectious anemia virus (CIAV). The FAdV and CIAV isolated from the vaccine were purified for the artificial preparation of an NDV-attenuated vaccine singly contaminated with FAdV or CIAV, or simultaneously contaminated with both of them. Seven-day-old specific pathogen-free chicks were inoculated with the artificially prepared contaminated vaccines and tested for corresponding indices. The experiments showed that no hydropericardium syndrome (HPS) and corresponding death occurred after administering the NDV-attenuated vaccine singly contaminated with FAdV or CIAV, but a mortality of 75% with IBH-HPS was commonly found in birds after administering the NDV-attenuated vaccine co-contaminated with FAdV and CIAV. In conclusion, this study found the co-contamination of FAdV-4 and CIAV in the same attenuated vaccine and confirmed that such a contaminated attenuated vaccine was a significant source of infection for outbreaks of IBH-HPS in some flocks.
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Affiliation(s)
- Qi Su
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Yang Li
- China Animal Health and Epidemiology Center, 369 Nanjing Street, Qingdao, Shandong, 266000, China
| | - Fanfeng Meng
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Zhizhong Cui
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Shuang Chang
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Peng Zhao
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
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53
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Feichtner F, Schachner A, Berger E, Hess M. Fiber-based fluorescent microsphere immunoassay (FMIA) as a novel multiplex serodiagnostic tool for simultaneous detection and differentiation of all clinically relevant fowl adenovirus (FAdV) serotypes. J Immunol Methods 2018. [PMID: 29522774 DOI: 10.1016/j.jim.2018.03.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The recent emergence of fowl aviadenovirus (FAdV) induced disease outbreaks in chicken flocks worldwide, with distinct aetiologies confined to particular FAdV species and serotypes, is increasingly urging the need for specific and mass-applicable antibody screening systems. Despite this exigency, there are to date no available serological procedures which satisfactorily combine the criteria for sensitive detection of antibodies against FAdVs, diagnostic reliability in face of cross-reactions and requirements for a rapid and large-scale application. In order to address this gap, a multiplexed fluorescent microsphere immunoassay (FMIA) based on recombinant FAdV fiber proteins from six different serotypes FAdV-1, -2, -4, -8a, -8b and -11 was developed, which enabled simultaneous detection of antibodies against all clinically relevant serotypes in a single reaction within a high throughput setting. Based on a panel of >300 monospecific antisera raised against each of the 12 FAdV serotypes, 100% serotype-specificity was demonstrated for FAdV-1 (FAdV-A) and FAdV-4 (FAdV-C) fiber-based analytes. Analytes based on serotypes affiliated to FAdV-D and FAdV-E exhibited moderately lower specificities of 91.2-95.7%. This was attributed almost exclusively to mutual recognition between FAdV-2 and -11 field strains and to a much lesser extent to reference strains, supporting earlier proposals to merge them into a single serotype. Similarly, extensive cross-reactions between FAdV-8a and -8b were noted. Altogether intraspecies cross-reactions can be attributed to viruses with a close etiological intersection. Antisera against other important avian viruses remained negative by the FMIA, further validating its specificity. Compared to the virus-neutralization (VN) test, FMIA and individual fiber-based enzyme-linked immunosorbent assays (ELISAs) were equally sensitive in the detection of sera against FAdV-2 and -11, as well as FAdV-8a and -8b field strains, while they were even superior to VN test in detection of FAdV-1 and FAdV-4 responses, likely attributed to a relative abundance of fiber antibodies early upon infection. Moreover, application of the FMIA on field samples comprising a diversified response against all 12 FAdV serotypes further consolidated its specificity and agreement with VN test.
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Affiliation(s)
- Franziska Feichtner
- Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV), University of Veterinary Medicine Vienna, Vienna, Austria.
| | - Anna Schachner
- Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV), University of Veterinary Medicine Vienna, Vienna, Austria
| | - Evelyn Berger
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Michael Hess
- Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV), University of Veterinary Medicine Vienna, Vienna, Austria; Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
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54
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Guan R, Tian Y, Han X, Yang X, Wang H. Complete genome sequence and pathogenicity of fowl adenovirus serotype 4 involved in hydropericardium syndrome in Southwest China. Microb Pathog 2018; 117:290-298. [PMID: 29427711 DOI: 10.1016/j.micpath.2018.02.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 02/03/2018] [Accepted: 02/06/2018] [Indexed: 02/07/2023]
Abstract
Since 2015, an emerging infectious disease of inclusion body hepatitis and hydropericardium syndrome (IBH-HPS) has been occurred in China, which caused economic loss in poultry farming. In this study, we isolated four fowl adenovirus strains from flocks with an outbreak of HPS. The complete nucleotide sequence of SC-Neijiang was determined and its pathogenicity was evaluated. Phylogenetic analysis based on hexon gene revealed that all the isolates belonged to fowl adenovirus serotype 4. The full genome sequence of SC-Neijiang has a size of 43,719 bp, with 54.85% G + C content. Compared with JSJ13, 11-amino-acid deletion at the ORF29 was appeared on SC-Neijiang. In infectious experiments, 80% (16/20) birds died in intramuscular route and lesions characteristic for Hydropericardium Syndrome (HPS), while 5% (1/20) birds died in nasal route. The viral DNA was further detected by real-time PCR in several chicken organs. The highest titers were recorded in all the organs at day 5 post-infection. To our knowledge, this is first report on the prevalence of fowl adenovirus in Southwest China. This research elucidated the characteristics of genome sequence and pathogenicity of Chinese FAdV-4 strain and provided theoretical support for the prevention and control of the disease.
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Affiliation(s)
- Ru Guan
- School of Life Science, Sichuan University, Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, "985 Project" Science Innovative Platform for Resource and Environment Protection of Southwestern China, 29# Wangjiang Road, Chengdu, 610064, PR China
| | - Yiming Tian
- School of Life Science, Sichuan University, Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, "985 Project" Science Innovative Platform for Resource and Environment Protection of Southwestern China, 29# Wangjiang Road, Chengdu, 610064, PR China
| | - Xiaoxiao Han
- School of Life Science, Sichuan University, Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, "985 Project" Science Innovative Platform for Resource and Environment Protection of Southwestern China, 29# Wangjiang Road, Chengdu, 610064, PR China
| | - Xin Yang
- School of Life Science, Sichuan University, Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, "985 Project" Science Innovative Platform for Resource and Environment Protection of Southwestern China, 29# Wangjiang Road, Chengdu, 610064, PR China
| | - Hongning Wang
- School of Life Science, Sichuan University, Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, "985 Project" Science Innovative Platform for Resource and Environment Protection of Southwestern China, 29# Wangjiang Road, Chengdu, 610064, PR China.
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55
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Inactivated and live bivalent fowl adenovirus (FAdV8b + FAdV11) breeder vaccines provide broad-spectrum protection in chicks against inclusion body hepatitis (IBH). Vaccine 2017; 36:744-750. [PMID: 29292175 DOI: 10.1016/j.vaccine.2017.12.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 12/06/2017] [Accepted: 12/09/2017] [Indexed: 01/25/2023]
Abstract
Fowl adenovirus (FAdV) is comprised of five species (A to E) and 12 serotypes (1-7, 8a, 8b, 9-11). Inclusion body hepatitis (IBH) is caused by FAdV-7, 8a, 8b (species E) and FAdV-2 and 11 (species D). Commercial vaccines against IBH are not available in Canada. Autogenous FAdV broiler breeder vaccines are now used in some areas where outbreaks of IBH are occurring. The objective of this study was to evaluate the efficacy of a bivalent (species D and E) live and an inactivated FAdV broiler breeder vaccine in protecting broiler chicks against IBH through maternal antibody (MtAb) transfer. FAdV seronegative broiler breeders (n = 300/group) received either a live or inactivated bivalent (FAdV-8b-SK + FAdV-11-1047) vaccine. The live vaccine (1 × 104 TCID50 of each virus/bird) was given orally once at 16 weeks of age and the inactivated vaccine (1 × 106TCID50 of each virus + 20% Emulsigen D) was given intramuscularly at 16 and 19 weeks of age. Controls (n = 150) were given saline orally. The inactivated vaccine group was boosted 3 weeks later with the same vaccine. Neutralizing antibodies (NAb) in sera (n = 10) were detected at 19, 22, 30 and 48 weeks of age. NAb were able to neutralize various FAdV serotypes within species D and E. Mean NAb were similar in the both live and killed vaccine groups at 19, 30 and 48 weeks and ranged from 2.4 to 3.7 log10. Approximately 26 ± 7% of MtAbs were passively transferred through eggs to day-old chicks. Progeny challenged with a lethal dose (1 × 107 TCID50/bird intramuscularly) of FAdV-8b-SK, FAdV-11-1047, or FAdV-2-685 (n = 90/group) at 14 days post-hatch (dph) showed 98-100% protection in broiler chicks to homologous or heterologous FAdV challenges. Our data suggests that a bivalent live and an inactivated FAdV vaccine are equally effective and have the potential for the control of IBH.
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56
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Su Q, Li Y, Cui Z, Chang S, Zhao P. The experimental transmission of reticuloendotheliosis virus by cock semen. J Gen Virol 2017; 99:253-257. [PMID: 29256850 DOI: 10.1099/jgv.0.000993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Following artificial insemination, the egg-laying rate of a large-scale breeder chicken flock declined by10-15 %. Real-time quantitative polymerase chain reaction (qPCR) analysis detected the presence of reticuloendotheliosis virus (REV) in semen from the breeder cocks used. Six REV strains were successfully isolated from semen randomly extracted from those cocks. Additionally, the whole sequence of SDAUR-S1 was sequenced and analysed. Cock models with continuous production of REV-positive semen were established by intravenous injection with SDAUR-S1. Eggs were then collected from hens after artificial insemination with REV-positive semen, for virus detection. The positive REV antibody rate for egg albumen was 58.3 % and the REV-positive rate for hatched embryos was 8.3 %, which suggested not only that REV can infect cock semen, but can also infect the offspring. In conclusion, the present study is the first to report on the isolation, genome analysis and transmission of REV in cock semen.
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Affiliation(s)
- Qi Su
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 271018, Shandong, PR China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Road, Tai'an, 271018, Shandong, PR China.,College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Road, Tai'an, 271018, Shandong, PR China
| | - Yang Li
- China Animal Health and Epidemiology Center, Qingdao, 266032, PR China
| | - Zhizhong Cui
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Road, Tai'an, 271018, Shandong, PR China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Road, Tai'an, 271018, Shandong, PR China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 271018, Shandong, PR China
| | - Shuang Chang
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Road, Tai'an, 271018, Shandong, PR China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Road, Tai'an, 271018, Shandong, PR China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 271018, Shandong, PR China
| | - Peng Zhao
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, 271018, Shandong, PR China.,College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Road, Tai'an, 271018, Shandong, PR China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, 61 Daizong Road, Tai'an, 271018, Shandong, PR China
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57
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Matos M, Dublecz K, Grafl B, Liebhart D, Hess M. Pancreatitis Is an Important Feature of Broilers Suffering from Inclusion Body Hepatitis Leading to Dysmetabolic Conditions with Consequences for Zootechnical Performance. Avian Dis 2017; 62:57-64. [DOI: 10.1637/11755-092717-reg.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Miguel Matos
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Károly Dublecz
- Department of Animal Science, Georgikon Faculty, University of Pannonia, Deak F. u. 16, H-8360 Keszthely, Hungary
| | - Beatrice Grafl
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Dieter Liebhart
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Michael Hess
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
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58
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Feichtner F, Schachner A, Berger E, Hess M. Development of sensitive indirect enzyme-linked immunosorbent assays for specific detection of antibodies against fowl adenovirus serotypes 1 and 4 in chickens. Avian Pathol 2017; 47:73-82. [DOI: 10.1080/03079457.2017.1372561] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Franziska Feichtner
- Christian Doppler Laboratory for Innovative Poultry Vaccines, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Anna Schachner
- Christian Doppler Laboratory for Innovative Poultry Vaccines, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Evelyn Berger
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Michael Hess
- Christian Doppler Laboratory for Innovative Poultry Vaccines, University of Veterinary Medicine Vienna, Vienna, Austria
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
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59
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Grafl B, Garcia-Rueda C, Cargill P, Wood A, Schock A, Liebhart D, Schachner A, Hess M. Fowl aviadenovirus serotype 1 confirmed as the aetiological agent of gizzard erosions in replacement pullets and layer flocks in Great Britain by laboratory and in vivo studies. Avian Pathol 2017; 47:63-72. [PMID: 28920482 DOI: 10.1080/03079457.2017.1367364] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
An investigation into the aetiology and pathogenesis of adenoviral gizzard erosion has been conducted following three natural outbreaks affecting one flock of 6-week-old replacement pullets and two consecutive placements of free range layers at the age of 21 and 23 weeks. Affected flocks showed increased mortality (0.12-0.30% per week), and gizzard lesions were consistent with fowl aviadenovirus (FAdV) involvement. To substantiate the initial findings, a selection of archived formalin-fixed paraffin-embedded gizzard samples from another 12 pullet and layer flocks, for which macroscopic and histopathological diagnosis of the disease were recorded in Great Britain during the period 2009-2016, were also investigated. In situ hybridization (ISH), virology and/or PCR confirmed the presence of FAdV species-A, serotype-1 (FAdV-A, FAdV-1) DNA in gizzard samples of all 15 cases investigated. Co-infections with additional FAdV serotypes including FAdV-8a were detected by serology and/or virology in two of the pullet flocks. However, species-specific in situ hybridization revealed that pathological changes of affected gizzards were only associated with the detection of FAdV-A. A subsequent in vivo study infecting 21-day-old SPF pullets with FAdV-1 or FAdV-8a strains isolated from the 6-week-old replacement pullets revealed characteristic pathomorphological changes only in the gizzards from birds infected with FAdV-1. While infection with FAdV-8a was confirmed by virology and serology, infected SPF birds did not develop pathomorphological changes. Therefore, the aetiological involvement of the isolated FAdV-8a in the development of adenoviral gizzard erosion in commercial pullets has been ruled out.
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Affiliation(s)
- Beatrice Grafl
- a Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health , University of Veterinary Medicine Vienna , Vienna , Austria
| | | | - Peter Cargill
- c Wyatt Poultry Veterinary Services Limited , Hereford , UK
| | - Alisdair Wood
- b Animal and Plant Health Agency (APHA), Avian Pathology , Penicuik , UK
| | - Alex Schock
- b Animal and Plant Health Agency (APHA), Avian Pathology , Penicuik , UK
| | - Dieter Liebhart
- a Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health , University of Veterinary Medicine Vienna , Vienna , Austria
| | - Anna Schachner
- d Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV) , Vienna , Austria
| | - Michael Hess
- a Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health , University of Veterinary Medicine Vienna , Vienna , Austria.,d Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV) , Vienna , Austria
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60
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Pan Q, Yang Y, Shi Z, Liu L, Gao Y, Qi X, Liu C, Zhang Y, Cui H, Wang X. Different Dynamic Distribution in Chickens and Ducks of the Hypervirulent, Novel Genotype Fowl Adenovirus Serotype 4 Recently Emerged in China. Front Microbiol 2017. [PMID: 28634474 PMCID: PMC5459905 DOI: 10.3389/fmicb.2017.01005] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A hypervirulent fowl adenovirus serotype 4 (FAdV-4) has caused hepatitis-hydropericardium syndrome (HHS) with mortalities that range from 30 to 80% in outbreaks across China since 2015. The FAdV-4 strain was characterized as a novel genotype based on the specific genome characteristics. However, our understanding of the dynamic distribution, tissue tropism, and pathogenesis of the novel FAdV-4 is incomplete. In this study, a new, sensitive and FAdV-4-specific real-time PCR was developed and applied to detect the dynamic distribution of the duck origin, novel FAdV-4 strain HLJDAd15 in experimentally infected special-pathogen free (SPF) chickens and ducks. Notably, the pathogenicity and replication pattern of HLJDAd15 were completely different between chickens and ducks. Severe hydropericardium and 10% mortality were induced in chickens, whereas no clinical signs were observed in any duck. The virus replicated was detected throughout the study in both chickens and ducks. However, only one replication peak with a high virus concentration appeared in chickens at 5 days post infection (dpi), whereas two peaks with relatively low virus titres appeared in ducks at 7 and 21 dpi. Thus, ducks could be a natural reservoir of the novel FAdV-4 absent of clinical signs, and a new transmission route from ducks shedding FAdV-4 continually to chickens was revealed, which might aggravate the outbreak of HHS in chickens. This study provides the first accurate quantitative data for the replication kinetics of the novel FAdV-4 in different hosts. The different pathogenicity, dynamic distribution and replication pattern in chickens and ducks provide a foundation for further clarification of the pathogenesis of the novel FAdV-4.
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Affiliation(s)
- Qing Pan
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Yanchao Yang
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Zhibin Shi
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Linlin Liu
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Yulong Gao
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Xiaole Qi
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Changjun Liu
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Yanping Zhang
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Hongyu Cui
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China
| | - Xiaomei Wang
- Division of Aivan Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbin, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Disease and ZoonosesYangzhou, China
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Sajewicz-Krukowska J, Pać K, Lisowska A, Pikuła A, Minta Z, Króliczewska B, Domańska-Blicharz K. Astrovirus-induced "white chicks" condition - field observation, virus detection and preliminary characterization. Avian Pathol 2017; 45:2-12. [PMID: 26514927 DOI: 10.1080/03079457.2015.1114173] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Chicken astrovirus (CAstV) was recently indicated as the factor of the "white chicks" condition associated not only with increased embryo/chick mortality but also with weakness and white plumage of hatched chicks. In February 2014, organ samples (livers and kidneys) from dead-in-shell embryos, as well as 1-day-old whitish and normal chicks, were delivered from one hatchery in Poland for disease diagnosis. The samples originated from the same 30-week-old breeder flock in which the only observed abnormal signs were 4-5% decrease in the number of hatched chickens and the presence (about 1%) of weaker chicks with characteristic whitish plumage among normal ones. CAstV was detected in submitted samples and was then isolated in 10-day-old embryonated specific pathogen free (SPF) chicken eggs. We also reproduced an infection model for the "white chicks" condition in SPF layer chickens using the isolated PL/G059/2014 strain as the infectious agent. Results of experimental reproduction of the "white chicks" condition were somewhat more serious than field observation. The administration of the CAstV material into the yolk sac of 8-day-old SPF chicken eggs caused delay and prolongation of hatching, as well as death of embryos/chicks, and also a change of plumage pigmentation. Only two chicks of a total of 10 inoculated SPF eggs survived and were observed for 2 months. A gradual elimination of the CAstV genome was noted in this period. Moreover, a few contact-naive SPF chicks, which had been placed in the same cage, were infected with CAstV. Molecular characterization of detected CAstV was performed by nucleotide sequencing of the full ORF2 region encoding the capsid precursor protein gene. Phylogenetic studies showed that the PL/G059/2014 isolate clustered in the subgroup Aiii of CAstV. In the light of the new classification rules, the Polish PL/G059/2014 CAstV isolate could be assigned to a new species of the Avastrovirus genus.
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Affiliation(s)
| | - Krzysztof Pać
- b Private veterinary practice , Śmiłowo, ul. Pilska 36, 64-810 Kaczory , Poland
| | - Anna Lisowska
- a Department of Poultry Diseases , National Veterinary Research Institute , Puławy , Poland
| | - Anna Pikuła
- a Department of Poultry Diseases , National Veterinary Research Institute , Puławy , Poland
| | - Zenon Minta
- a Department of Poultry Diseases , National Veterinary Research Institute , Puławy , Poland
| | - Bożena Króliczewska
- c Department of Animal Physiology and Biostructure, Faculty of Veterinary Medicine , Wrocław University of Environmental and Life Sciences , Wroclaw , Poland
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Gupta A, Ahmed KA, Ayalew LE, Popowich S, Kurukulasuriya S, Goonewardene K, Gunawardana T, Karunarathna R, Ojkic D, Tikoo SK, Willson P, Gomis S. Immunogenicity and protective efficacy of virus-like particles and recombinant fiber proteins in broiler-breeder vaccination against fowl adenovirus (FAdV)-8b. Vaccine 2017; 35:2716-2722. [PMID: 28396209 DOI: 10.1016/j.vaccine.2017.03.075] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 03/18/2017] [Accepted: 03/20/2017] [Indexed: 11/17/2022]
Abstract
Inclusion body hepatitis (IBH) is an economically important diseases in broiler chicken industry. Several serotypes of fowl adenovirus (FAdV) can cause IBH, among them, serotype FAdV-8b is associated with the majority of the IBH cases in Canada. Here, we evaluated FAdV-8b virus-like particles (VLPs) and recombinant FAdV-8b fiber proteins (expressed in E. coli) as potential broiler-breeder vaccines against IBH. For assessing the immunogenicity of vaccines, we investigated both humoral and cellular immunity. The humoral immune response was evaluated by determining total IgY and virus-neutralizing antibody in serum at 14, 28, 35 and 60days post-immunization (dpi). We examined cellular immunity using flow cytometry by determining CD4:CD8 ratio change in peripheral blood after the booster vaccination. The protective effect of vaccines was tested by challenging 14day-old progeny (n=30/group) carrying maternal antibodies (MtAb) by challenging with virulent FAdV-8b virus (1×107 TCID50, FAdV-8b-SK). Although total IgY levels were comparable in all groups, the neutralizing antibody response in broiler-breeders at 35 and 60 dpi was significantly (p<0.05) higher those vaccinated with FAdV-8b VLPs followed by FAdV-8b fiber compared to fiber-knob. Moreover, vaccines comprised of FAdV-8b VLPs and FAdV-8b fiber rather than FAdV-8b fiber-knob efficiently elicited the cell-mediated immune response as evidenced by a statistically significant (p<0.05) CD8+ T-cell proliferative response in broiler-breeders four days after the booster vaccination. Unlike FAdV-8b fiber-knob, FAdV-8b VLPs, and FAdV-8b fiber vaccinated broiler-breeders were able to transfer a substantial amount (28.4±9%) of MtAb to their progeny. Challenge revealed that MtAb provided 100% and 82.7% protection in progeny hatched from FAdV-8b VLPs, and FAdV-8b fiber vaccinated broiler-breeders, respectively. Collectively, our data suggest that FAdV-8b subunit vaccine-induced MtAb efficiently protected progeny against clinical IBH and broiler-breeder vaccination with subunit vaccines is a potential approach to protect against IBH.
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Affiliation(s)
- Ashish Gupta
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Khawaja Ashfaque Ahmed
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Lisanework E Ayalew
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Shelly Popowich
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Shanika Kurukulasuriya
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Kalhari Goonewardene
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Thushari Gunawardana
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Ruwani Karunarathna
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Davor Ojkic
- Animal Health Laboratory, Laboratory Services Division, University of Guelph, Guelph, Ontario, Canada
| | - Suresh K Tikoo
- Vaccine and Infectious Disease Organization, 120 Veterinary Road, University of Saskatchewan, Saskatoon, SK, S7N 5E3, Canada; Vaccinology & Immunotherapeutics Program, School of Public Health, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Philip Willson
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Susantha Gomis
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
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63
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Wang J, Wang J, Chen P, Liu L, Yuan W. Development of a TaqMan-based real-time PCR assay for rapid and specific detection of fowl aviadenovirus serotype 4. Avian Pathol 2017; 46:338-343. [PMID: 28437156 DOI: 10.1080/03079457.2016.1278428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Twelve serotypes of fowl aviadenovirus, namely, FAdV-(1-8a and 8b-11), have been identified, among which FAdV-4 is the aetiologic agent of hepatitis hydropericardium syndrome (HHS) in chickens. Outbreaks of HHS have been documented in many countries, causing significant economic losses. Real-time PCR methods described so far in the literature cross-detect different serotypes of FAdVs. In this study, we aimed to develop a TaqMan-based real-time PCR assay for the specific detection of FAdV-4. A pair of primers targeting the hexon gene and a TaqMan probe were designed. Using different copy numbers of plasmid DNA carrying the hexon gene as template, we showed the detection limit of this assay was 101 copies/reaction, which was 10 times higher than conventional PCR. The assay was highly specific for FAdV-4 and did not cross-detect 11 other serotypes of FAdVs, avian influenza virus, Newcastle disease virus, infectious bronchitis virus or subgroup J of the avian leukosis virus. The reproducibility of the assay was assessed by five independent reactions using different copy numbers of plasmid DNA (103 and 105) as template, and the results showed 0.56-1.15% coefficient of variation for inter-assay variability. Furthermore, the assay was validated with 80 clinical samples. Real-time PCR showed that 76 out of 80 samples were positive for FAdV-4 (95.0% positivity) while 68 out of 80 were tested positive by conventional PCR (85.0% positivity). Our data suggest this real-time PCR assay could be an attractive tool for screening, confirmatory diagnosis and specific differentiation of FAdV-4 infection.
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Affiliation(s)
- Jianchang Wang
- a Inspection and Quarantine Technical Center of Hebei Entry-Exit Inspection and Quarantine Bureau , Shijiazhuang , Hebei , People's Republic of China
| | - Jinfeng Wang
- a Inspection and Quarantine Technical Center of Hebei Entry-Exit Inspection and Quarantine Bureau , Shijiazhuang , Hebei , People's Republic of China
| | - Ping Chen
- b College of Veterinary Medicine, Agricultural University of Hebei , Baoding , Hebei , People's Republic of China
| | - Libing Liu
- a Inspection and Quarantine Technical Center of Hebei Entry-Exit Inspection and Quarantine Bureau , Shijiazhuang , Hebei , People's Republic of China
| | - Wanzhe Yuan
- b College of Veterinary Medicine, Agricultural University of Hebei , Baoding , Hebei , People's Republic of China
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Oliver-Ferrando S, Dolz R, Calderón C, Valle R, Rivas R, Pérez M, Biarnés M, Blanco A, Bertran K, Ramis A, Busquets N, Majó N. Epidemiological and pathological investigation of fowl aviadenovirus serotypes 8b and 11 isolated from chickens with inclusion body hepatitis in Spain (2011–2013). Avian Pathol 2016; 46:157-165. [DOI: 10.1080/03079457.2016.1232477] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- S. Oliver-Ferrando
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - R. Dolz
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - C. Calderón
- Universidade Estadual do Norte do Paraná - UENP/CLM, Centro de Ciências Agrárias, Bandeirantes, Brazil
| | - R. Valle
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - R. Rivas
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - M. Pérez
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - M. Biarnés
- Centre de Sanitat Avícola de Catalunya (CESAC), Tarragona, Spain
| | - A. Blanco
- Centre de Sanitat Avícola de Catalunya (CESAC), Tarragona, Spain
| | - K. Bertran
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - A. Ramis
- UAB, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
- Departament de Sanitat i Anatomia Animals, Facultat de Veterinària, Bellaterra, Spain
| | - N. Busquets
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - N. Majó
- UAB, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Spain
- Departament de Sanitat i Anatomia Animals, Facultat de Veterinària, Bellaterra, Spain
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65
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Absalón AE, Morales-Garzón A, Vera-Hernández PF, Cortés-Espinosa DV, Uribe-Ochoa SM, García LJ, Lucio-Decanini E. Complete genome sequence of a non-pathogenic strain of Fowl Adenovirus serotype 11: Minimal genomic differences between pathogenic and non-pathogenic viruses. Virology 2016; 501:63-69. [PMID: 27865971 DOI: 10.1016/j.virol.2016.11.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2016] [Revised: 10/31/2016] [Accepted: 11/07/2016] [Indexed: 01/26/2023]
Abstract
In this study, we conducted the clinicopathological characterization of a non-pathogenic FAdV-D serotype 11 strain MX95, isolated from healthy chickens, and its entire genome was sequenced. Experiments in SPF chickens revealed that the strain is a non-pathogenic virus that did not cause death at challenge doses of 1×106 TCID50. Additionally, the infection in SPF chickens caused no apparent damage in most of the organs analyzed by necropsy and histopathology, but it did cause inclusion body hepatitis; nevertheless it did not generate severe infectious clinical symptoms. The virus was detected in several chicken organs, including the lymphoid organs, by real-time polymerase chain reaction (PCR) until 42 days. The genome of FAdV-11 MX95 has a size of 44,326bp, and it encodes 36 open reading frames (ORFs). Comparative analysis of the genome indicated only 0.8% dissimilarity with a highly virulent serotype 11 that was previously reported.
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Affiliation(s)
- Angel E Absalón
- Instituto Politécnico Nacional, Centro de Investigación en Biotecnología Aplicada-Unidad Tlaxcala, Carr. Est. Santa Inés Tecuexcomac-Tepetitla Km. 1.5, Tepetitla, Tlaxcala CP 90700, Mexico.
| | - Andrés Morales-Garzón
- Investigación Aplicada S.A. de C.V., 7 Norte No. 416 Col. Centro, Tehuacán, Puebla CP 75740, Mexico
| | - Pedro F Vera-Hernández
- Instituto Politécnico Nacional, Centro de Investigación en Biotecnología Aplicada-Unidad Tlaxcala, Carr. Est. Santa Inés Tecuexcomac-Tepetitla Km. 1.5, Tepetitla, Tlaxcala CP 90700, Mexico
| | - Diana V Cortés-Espinosa
- Instituto Politécnico Nacional, Centro de Investigación en Biotecnología Aplicada-Unidad Tlaxcala, Carr. Est. Santa Inés Tecuexcomac-Tepetitla Km. 1.5, Tepetitla, Tlaxcala CP 90700, Mexico
| | - Sara M Uribe-Ochoa
- Instituto Politécnico Nacional, Centro de Investigación en Biotecnología Aplicada-Unidad Tlaxcala, Carr. Est. Santa Inés Tecuexcomac-Tepetitla Km. 1.5, Tepetitla, Tlaxcala CP 90700, Mexico
| | - Laura J García
- Instituto Politécnico Nacional, Centro de Investigación en Biotecnología Aplicada-Unidad Tlaxcala, Carr. Est. Santa Inés Tecuexcomac-Tepetitla Km. 1.5, Tepetitla, Tlaxcala CP 90700, Mexico
| | - Eduardo Lucio-Decanini
- Investigación Aplicada S.A. de C.V., 7 Norte No. 416 Col. Centro, Tehuacán, Puebla CP 75740, Mexico
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Matos M, Grafl B, Liebhart D, Schwendenwein I, Hess M. Selected clinical chemistry analytes correlate with the pathogenesis of inclusion body hepatitis experimentally induced by fowl aviadenoviruses. Avian Pathol 2016; 45:520-9. [DOI: 10.1080/03079457.2016.1168513] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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67
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Li H, Wang J, Qiu L, Han Z, Liu S. Fowl adenovirus species C serotype 4 is attributed to the emergence of hepatitis-hydropericardium syndrome in chickens in China. INFECTION GENETICS AND EVOLUTION 2016; 45:230-241. [PMID: 27615553 DOI: 10.1016/j.meegid.2016.09.006] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/09/2016] [Accepted: 09/06/2016] [Indexed: 01/14/2023]
Abstract
Since July in 2015, an emerging infectious disease of Hepatitis-Hydropericardium syndrome (HHS) was prevalent in chicken flocks in China. To confirm the causative agent and investigate the epidemiology of the disease, a total of 38 chicken flocks including 187 samples from Jilin, Liaoning, Heilongjiang, Henan, Anhui, Hubei, Jiangxi, Xinjiang, Shandong and Hunan provinces in China were collected and determined by PCR detection, sequencing, phylogenetic analysis and virus isolation. 81 samples (positive rate of samples, 81/187, 43.3%) distributed in 33 chicken flocks (positive rate of chicken flocks, 33/38, 86.8%) were detected to be positive for fowl adenovirus (FAdV) by PCR method, of which 30 were determined as FAdV species C, 41 were species D, 9 were species E and 1 was uncertain for the viral species by phylogenetic analysis, implicating that at least three species (C, D and E) of FAdVs were prevalent in China and the species C and D were predominantly the prevalent viral strains. Interestingly, our results indicated that two types of FAdVs (C and D) co-existed in one flock, resulting in complex condition for the prevalence of the disease. In addition, 13 viral strains of FAdV-C were isolated from different geographic areas and one of the isolates from Henan province, designated HN/151025 strain, was inoculated into 40-day-old specific pathogen free chickens via intramuscular or oral route to evaluate the pathogenicity. It was found that 90% (9/10) chickens died in the intramuscular injection group and 30% (3/10) birds died in the oral route infection group after challenge. Histopathology examination displayed that the pathology confined to liver, kidney, spleen, and heart. These results indicated that the virus was a highly virulent strain.
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Affiliation(s)
- Huixin Li
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China; College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Juan Wang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China; College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Liye Qiu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China; College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Zongxi Han
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China; College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Shengwang Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China; College of Life Science, Northeast Agricultural University, Harbin 150030, People's Republic of China.
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68
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Matos M, Grafl B, Liebhart D, Hess M. The outcome of experimentally induced inclusion body hepatitis (IBH) by fowl aviadenoviruses (FAdVs) is crucially influenced by the genetic background of the host. Vet Res 2016; 47:69. [PMID: 27356980 PMCID: PMC4928300 DOI: 10.1186/s13567-016-0350-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 06/02/2016] [Indexed: 11/20/2022] Open
Abstract
In the present study, inclusion body hepatitis (IBH) was experimentally induced by oral inoculation of two groups of specific pathogen-free (SPF) broilers and two groups of SPF layers at day-old with either a fowl aviadenovirus (FAdV)-D or a FAdV-E strain. A substantial variation in the degree of susceptibility was observed with mortalities of 100 and 96% in the FAdV-E and D infected SPF broiler groups, respectively, whereas in the groups of infected SPF layers mortalities of only 20 and 8% were noticed. Significant changes in clinical chemistry analytes of all infected birds together with histopathological lesions indicated impairment of liver and pancreas integrity and functions. Furthermore, significantly lower blood glucose concentrations were recorded at peak of infection in both inoculated SPF broiler groups, in comparison to the control group, corresponding to a hypoglycaemic status. High viral loads were determined in liver and pancreas of SPF broilers already at 4 days post-infection (dpi), in comparison to SPF layers, indicating a somewhat faster viral replication in the target organs. Overall, highest values were noticed in the pancreas of SPF broilers independent of the virus used for infection. The actual study provides new insights into the pathogenesis of IBH, a disease evolving to a metabolic disorder, to which SPF broilers were highly susceptible. Hence, this is the first study to report a significant higher susceptibility of SPF broiler chickens to experimentally induced IBH in direct comparison to SPF layers.
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Affiliation(s)
- Miguel Matos
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria.
| | - Beatrice Grafl
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Dieter Liebhart
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Michael Hess
- Clinic for Poultry and Fish Medicine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria.,Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV), University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
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69
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Vera-Hernández PF, Morales-Garzón A, Cortés-Espinosa DV, Galiote-Flores A, García-Barrera LJ, Rodríguez-Galindo ET, Toscano-Contreras A, Lucio-Decanini E, Absalón AE. Clinicopathological characterization and genomic sequence differences observed in a highly virulent fowlAviadenovirusserotype 4. Avian Pathol 2016; 45:73-81. [DOI: 10.1080/03079457.2015.1125443] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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70
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Valdivia-Olarte H, Requena D, Ramirez M, Saravia LE, Izquierdo R, Falconi-Agapito F, Zavaleta M, Best I, Fernández-Díaz M, Zimic M. Design of a predicted MHC restricted short peptide immunodiagnostic and vaccine candidate for Fowl adenovirus C in chicken infection. Bioinformation 2015; 11:460-5. [PMID: 26664030 PMCID: PMC4658644 DOI: 10.6026/97320630011460] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 10/18/2015] [Indexed: 11/23/2022] Open
Abstract
Fowl adenoviruses (FAdVs) are the ethiologic agents of multiple pathologies in chicken. There are five different species of FAdVs grouped as FAdV-A, FAdV-B, FAdV-C, FAdV-D, and FAdV-E. It is of interest to develop immunodiagnostics and vaccine candidate for Peruvian FAdV-C in chicken infection using MHC restricted short peptide candidates. We sequenced the complete genome of one FAdV strain isolated from a chicken of a local farm. A total of 44 protein coding genes were identified in each genome. We sequenced twelve Cobb chicken MHC alleles from animals of different farms in the central coast of Peru, and subsequently determined three optimal human MHC-I and four optimal human MHC-II substitute alleles for MHC-peptide prediction. The potential MHC restricted short peptide epitope-like candidates were predicted using human specific (with determined suitable chicken substitutes) NetMHC MHC-peptide prediction model with web server features from all the FAdV genomes available. FAdV specific peptides with calculated binding values to known substituted chicken MHC-I and MHC-II were further filtered for diagnostics and potential vaccine epitopes. Promiscuity to the 3/4 optimal human MHC-I/II alleles and conservation among the available FAdV genomes was considered in this analysis. The localization on the surface of the protein was considered for class II predicted peptides. Thus, a set of class I and class II specific peptides from FAdV were reported in this study. Hence, a multiepitopic protein was built with these peptides, and subsequently tested to confirm the production of specific antibodies in chicken.
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Affiliation(s)
- Hugo Valdivia-Olarte
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
- Laboratorio de Bioinformática y Biologáa
Molecular, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofáa, Universidad Peruana Cayetano Heredia,
Av. Honorio Delgado 430, San Martin de Porres. Lima – Peru
| | - David Requena
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
- Laboratorio de Bioinformática y Biologáa
Molecular, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofáa, Universidad Peruana Cayetano Heredia,
Av. Honorio Delgado 430, San Martin de Porres. Lima – Peru
| | - Manuel Ramirez
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
- Laboratorio de Bioinformática y Biologáa
Molecular, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofáa, Universidad Peruana Cayetano Heredia,
Av. Honorio Delgado 430, San Martin de Porres. Lima – Peru
| | - Luis E Saravia
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
| | - Ray Izquierdo
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
| | | | - Milagros Zavaleta
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
| | - Iván Best
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
| | | | - Mirko Zimic
- Farvet s.A.C. Carretera Panamericana Sur N° 766 Km 198.5, Chincha Alta. Ica – Peru
- Laboratorio de Bioinformática y Biologáa
Molecular, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofáa, Universidad Peruana Cayetano Heredia,
Av. Honorio Delgado 430, San Martin de Porres. Lima – Peru
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71
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Development of Novel Adenoviral Vectors to Overcome Challenges Observed With HAdV-5-based Constructs. Mol Ther 2015; 24:6-16. [PMID: 26478249 PMCID: PMC4754553 DOI: 10.1038/mt.2015.194] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 10/07/2015] [Indexed: 12/23/2022] Open
Abstract
Recombinant vectors based on human adenovirus serotype 5 (HAdV-5) have been extensively studied in preclinical models and clinical trials over the past two decades. However, the thorough understanding of the HAdV-5 interaction with human subjects has uncovered major concerns about its product applicability. High vector-associated toxicity and widespread preexisting immunity have been shown to significantly impede the effectiveness of HAdV-5–mediated gene transfer. It is therefore that the in-depth knowledge attained working on HAdV-5 is currently being used to develop alternative vectors. Here, we provide a comprehensive overview of data obtained in recent years disqualifying the HAdV-5 vector for systemic gene delivery as well as novel strategies being pursued to overcome the limitations observed with particular emphasis on the ongoing vectorization efforts to obtain vectors based on alternative serotypes.
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72
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Niczyporuk JS. Phylogenetic and geographic analysis of fowl adenovirus field strains isolated from poultry in Poland. Arch Virol 2015; 161:33-42. [DOI: 10.1007/s00705-015-2635-4] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 09/30/2015] [Indexed: 11/29/2022]
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73
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Grafl B, Prokofieva I, Wernsdorf P, Dublecz K, Hess M. Clinical signs and progression of lesions in the gizzard are not influenced by inclusion of ground oats or whole wheat in the diet following experimental infection with pathogenic fowl adenovirus serotype 1. Avian Pathol 2015; 44:230-6. [PMID: 25768948 DOI: 10.1080/03079457.2015.1028886] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
In the present study the effects of dietary gizzard stimulation on the development and severity of adenoviral gizzard erosion were investigated. For this purpose, specific pathogen-free broilers were divided into six groups, investigating the influence of an oat-containing diet with higher fibre content, a whole wheat-containing diet and a control diet of nearly identical composition, but containing ground wheat. For each feed administered, one group of birds was experimentally infected on the 10th day of age by the oral route with virulent fowl adenovirus serotype 1 (FAdV-1), recently proven to induce gizzard erosions, while the respective negative control groups remained uninfected. Experimental feed was administered from 2 days post-infection onwards. No significant differences on gizzard health or in weight gain could be detected between uninfected control groups or between FAdV-1 infected groups that received different experimental feed. However, independent of the supplied diet, a significantly reduced weight gain was noted from 7 days post-infection onwards in FAdV-1 infected broilers compared to uninfected birds that received the same diet. Macroscopically, discolouration and erosion of the koilin layer and inflammation of the gizzard mucosa were observed in all FAdV-1 infected groups. Histologically, necrosis, degeneration of gizzard epithelial cells and multiple basophilic intranuclear inclusion bodies were observed. In summary, after experimental infection with FAdV-1 development of gizzard erosion in chickens was not influenced by the feeding regimes investigated. Therefore, it is unlikely that dietary gizzard stimulation influences the outcome of adenoviral gizzard erosion in vertically infected broilers.
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Affiliation(s)
- B Grafl
- a Department for Farm Animals and Veterinary Public Health , Clinic for Poultry and Fish Medicine, University of Veterinary Medicine , Vienna , Austria
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74
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Application of cross-priming amplification (CPA) for detection of fowl adenovirus (FAdV) strains. Arch Virol 2015; 160:1005-13. [PMID: 25655263 PMCID: PMC4369288 DOI: 10.1007/s00705-015-2355-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 01/28/2015] [Indexed: 02/03/2023]
Abstract
Fowl adenoviruses (FAdVs) are widely distributed among chickens. Detection of FAdVs is mainly accomplished by virus isolation, serological assays, various polymerase chain reaction (PCR) assays, and loop-mediated isothermal amplification (LAMP). To increase the diagnostic capacity of currently applied techniques, cross-priming amplification (CPA) for the detection of the FAdV hexon gene was developed. The single CPA assay was optimised to detect all serotypes 1-8a-8b-11 representing the species Fowl aviadenovirus A-E. The optimal temperature and incubation time were determined to be 68 °C for 2 h. Using different incubation temperatures, it was possible to differentiate some FAdV serotypes. The results were recorded after addition of SYBR Green I(®) dye, which produced a greenish fluorescence under UV light. The CPA products separated by gel electrophoresis showed different "ladder-like" patterns for the different serotypes. The assay was specific for all serotypes of FAdV, and no cross-reactivity was observed with members of the genus Atadenovirus, duck atadenovirus A (egg drop syndrome virus EDS-76 [EDSV]) or control samples containing Marek's disease virus (MDV), infectious laryngotracheitis virus (ILTV) or chicken anaemia virus (CAV). The results of the newly developed FAdV-CPA were compared with those of real-time PCR. The sensitivity of CPA was equal to that of real-time PCR and reached 10(-2.0) TCID50, but the CPA method was more rapid and cheaper than the PCR systems. CPA is a highly specific, sensitive, efficient, and rapid tool for detection of all FAdV serotypes. This is the first report on the application of CPA for detection of FAdV strains.
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75
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Infection with an apathogenic fowl adenovirus serotype-1 strain (CELO) prevents adenoviral gizzard erosion in broilers. Vet Microbiol 2014; 172:177-85. [DOI: 10.1016/j.vetmic.2014.05.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 05/13/2014] [Accepted: 05/15/2014] [Indexed: 11/23/2022]
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76
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Recombinant FAdV-4 fiber-2 protein protects chickens against hepatitis–hydropericardium syndrome (HHS). Vaccine 2014; 32:1086-92. [DOI: 10.1016/j.vaccine.2013.12.056] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 12/02/2013] [Accepted: 12/18/2013] [Indexed: 01/30/2023]
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77
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Molecular typing of fowl adenoviruses, isolated in Hungary recently, reveals high diversity. Vet Microbiol 2013; 167:357-63. [DOI: 10.1016/j.vetmic.2013.09.025] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 09/10/2013] [Accepted: 09/17/2013] [Indexed: 11/20/2022]
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78
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Marek A, Kosiol C, Harrach B, Kaján GL, Schlötterer C, Hess M. The first whole genome sequence of a Fowl adenovirus B strain enables interspecies comparisons within the genus Aviadenovirus. Vet Microbiol 2013; 166:250-6. [DOI: 10.1016/j.vetmic.2013.05.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 05/10/2013] [Accepted: 05/22/2013] [Indexed: 11/29/2022]
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79
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Günes A, Marek A, Hess M. Species Determination of Fowl Adenoviruses Based on the 52K Gene Region. Avian Dis 2013; 57:290-4. [DOI: 10.1637/10323-081012-resnote.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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80
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Grafl B, Liebhart D, Günes A, Wernsdorf P, Aigner F, Bachmeier J, Hess M. Quantity of virulent fowl adenovirus serotype 1 correlates with clinical signs, macroscopical and pathohistological lesions in gizzards following experimental induction of gizzard erosion in broilers. Vet Res 2013; 44:38. [PMID: 23705834 PMCID: PMC3672026 DOI: 10.1186/1297-9716-44-38] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 05/13/2013] [Indexed: 11/16/2022] Open
Abstract
In the present study day-old specific-pathogen-free (SPF) and commercial broilers with maternally derived fowl adenovirus serotype 1 (FAdV-1) antibodies were orally infected with a European “pathogenic” FAdV-1, isolated from broilers showing signs of gizzard erosion. During the experiment, broilers were observed and weighed daily up to 17 days post infection (dpi). Clinically, both infected groups showed significant decrease of weight compared to respective negative control groups. Birds were examined by necropsy at 3, 7, 10, 14 and 17 dpi. Pathological changes in the gizzards were noticed in both experimentally infected groups from 7 dpi onwards. Macroscopically, erosion of the koilin layer and inflammation or ulceration of the gizzard mucosa were observed. Histologically, presence of FAdV-1 in intranuclear inclusion bodies of degenerated glandular epithelial cells was demonstrated by in-situ hybridization and inflammatory cell infiltration of the lamina propria, submucosa and muscle layer was detected. Tissue samples were investigated by a recently developed real-time PCR and the viral DNA load was calculated from gizzard, liver, spleen and cloacal swabs with the highest amounts of FAdV-1 DNA found in the gizzard. For the first time, successful reproduction of clinical signs in broilers as well as pathological lesions in the gizzard were achieved with a European FAdV-1 isolate displaying some genetic differences to so far reported virulent FAdV-1 from Japan. Furthermore, highest viral load in gizzards could be linked with macroscopical and histological lesions. Therefore, the conducted analyses provide important insights into the pathogenesis of adenoviral gizzard erosion.
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