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Park MJ, Kim HR, Chae HG, Lim DR, Kwon OD, Cho KH, Park CK. Development of a colorimetric loop-mediated isothermal amplification assay for rapid and specific detection of Aves polyomavirus 1 from psittacine birds. J Virol Methods 2019; 273:113687. [PMID: 31271791 DOI: 10.1016/j.jviromet.2019.113687] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/24/2019] [Accepted: 07/01/2019] [Indexed: 11/16/2022]
Abstract
A colorimetric loop-mediated isothermal amplification (LAMP) assay was developed for the rapid and specific detection of the T gene of Aves polyomavirus 1 (APyV), a causative agent of budgerigar fledgling disease (BFD) in psittacine birds. The amplification can be completed in 40 min at 60 °C, and the results can be visually detected by the naked eye using hydroxyl naphthol blue as a colorimetric indicator. The assay specifically amplified APyV DNA but not other viral and bacterial nucleic acids. The limit of detection of the assay was 5 × 102 DNA copies/reaction, which was comparable to those of previously reported conventional polymerase chain reaction assays. In the clinical evaluation, the LAMP results showed 100% concordance with those of the previously reported PCR assays with regard to specificity, sensitivity, and percentage of overall agreement, with a kappa value of 1.0. These results indicate that the developed LAMP assay will be a valuable tool for the rapid, sensitive and specific detection of APyV from BFD-suspected psittacine bird samples even in resource-limited laboratories.
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Affiliation(s)
- Min-Ji Park
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hye-Ryung Kim
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Ha-Gyeong Chae
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Da-Rae Lim
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Oh-Deog Kwon
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Kwang-Hyun Cho
- Gyeongbuk Veterinary Service Laboratory, Daegu, 41405, Republic of Korea
| | - Choi-Kyu Park
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, 41566, Republic of Korea.
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2
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Establishment of rapid detection method and surveillance of budgerigar fledgling disease virus using a TaqMan Real-Time PCR. Mol Cell Probes 2019; 43:80-83. [DOI: 10.1016/j.mcp.2018.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 11/07/2018] [Accepted: 11/07/2018] [Indexed: 11/19/2022]
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3
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Biology, evolution, and medical importance of polyomaviruses: An update. INFECTION GENETICS AND EVOLUTION 2017. [DOI: 10.1016/j.meegid.2017.06.011] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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4
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Zielonka A, Gedvilaite A, Reetz J, Rösler U, Müller H, Johne R. Serological cross-reactions between four polyomaviruses of birds using virus-like particles expressed in yeast. J Gen Virol 2012; 93:2658-2667. [DOI: 10.1099/vir.0.044917-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Polyomaviruses are aetiological agents of fatal acute diseases in various bird species. Genomic analysis revealed that avian polyomavirus (APyV), crow polyomavirus (CPyV), finch polyomavirus (FPyV) and goose hemorrhagic polyomavirus (GHPyV) are closely related to each other, but nevertheless form separate viral species; however, their serological relationship was previously unknown. As only APyV can be grown efficiently in tissue culture, virus-like particles (VLPs) were generated by expression of the genomic regions encoding the major structural protein VP1 of these viruses in yeast; these were used to elicit type-specific antibodies in rabbits and as antigens in serological reactions. For increased VLP assembly, a nuclear-localization signal was introduced into APyV-VP1. VLPs derived from the VP1 of the monkey polyomavirus simian virus 40 served as control. APyV-, GHPyV- and CPyV-VLPs showed haemagglutinating activity with chicken and human erythrocytes. CPyV- and GHPyV-specific sera showed slight cross-reactions in immunoblotting, haemagglutination-inhibition assay and indirect ELISA. The FPyV-specific serum inhibited the haemagglutination activity of APyV-VLPs slightly and showed a weak cross-neutralizing activity against APyV in cell-culture tests. Generally, these data indicate that the four polyomaviruses of birds are serologically distinct. However, in accordance with genetic data, a relationship between CPyV and GHPyV as well as between APyV and FPyV is evident, and grouping into two different serogroups may be suggested. The haemagglutinating activity of APyV, CPyV and GHPyV may indicate similar receptor-binding mechanisms for these viruses. Our data could be useful for the development of vaccines against the polyomavirus-induced diseases in birds and for interpretation of diagnostic test results.
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Affiliation(s)
- Anja Zielonka
- Institute of Animal Hygiene and Veterinary Public Health, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, 04103 Leipzig, Germany
| | - Alma Gedvilaite
- Vilnius University, Institute of Biotechnology, Graiciuno 8, Vilnius, Lithuania
| | - Jochen Reetz
- Federal Institute for Risk Assessment, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Uwe Rösler
- Institute of Animal and Environmental Hygiene, Free University Berlin, Philippstrasse 13, 10115 Berlin, Germany
- Institute of Animal Hygiene and Veterinary Public Health, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Hermann Müller
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, 04103 Leipzig, Germany
| | - Reimar Johne
- Federal Institute for Risk Assessment, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
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Katoh H, Ohya K, Une Y, Yamaguchi T, Fukushi H. Molecular characterization of avian polyomavirus isolated from psittacine birds based on the whole genome sequence analysis. Vet Microbiol 2009; 138:69-77. [DOI: 10.1016/j.vetmic.2009.03.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2008] [Revised: 02/16/2009] [Accepted: 03/02/2009] [Indexed: 10/21/2022]
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6
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Katoh H, Ohya K, Fukushi H. Development of novel real-time PCR assays for detecting DNA virus infections in psittaciform birds. J Virol Methods 2008; 154:92-8. [DOI: 10.1016/j.jviromet.2008.08.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2008] [Revised: 08/19/2008] [Accepted: 08/21/2008] [Indexed: 10/21/2022]
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Johne R, Müller H. Polyomaviruses of birds: etiologic agents of inflammatory diseases in a tumor virus family. J Virol 2007; 81:11554-9. [PMID: 17715213 PMCID: PMC2168798 DOI: 10.1128/jvi.01178-07] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Reimar Johne
- Federal Institute for Risk Assessment, Diedersdorfer Weg 1, D-12277 Berlin, Germany.
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Johne R, Paul G, Enderlein D, Stahl T, Grund C, Müller H. Avian polyomavirus mutants with deletions in the VP4-encoding region show deficiencies in capsid assembly and virus release, and have reduced infectivity in chicken. J Gen Virol 2007; 88:823-830. [PMID: 17325354 DOI: 10.1099/vir.0.82506-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Avian polyomavirus (APV) is the causative agent of an acute fatal disease in psittacine and some non-psittacine birds. In contrast to mammalian polyomaviruses, the APV genome encodes the additional capsid protein VP4 and its variant VP4Delta, truncated by an internal deletion. Both proteins induce apoptosis. Mutation of their common initiation codon prevents virus replication. Here, the generation of replication competent deletion mutants expressing either VP4 or VP4Delta is reported. In contrast to infection with wild-type virus, chicken embryo cells showed no cytopathic changes after infection with the mutants, and induction of apoptosis as well as virus release from the infected cells were delayed. Electron microscopy revealed the presence of a high proportion of small particles and tubules in preparations of the VP4 deletion mutant, indicating a scaffolding function for VP4. Wild-type and mutant viruses elicited neutralizing antibodies against APV after intramuscular and intraperitoneal infection of chicken; however, VP4-specific antibodies were only detected after infection with wild-type virus. Using the oculonasal route of infection, seroconversion was only observed in chickens infected with the wild-type virus, indicating a strongly reduced infectivity of the mutants. Based on the biological properties of the deletion mutants, they could be considered as candidates for APV marker vaccines.
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Affiliation(s)
- Reimar Johne
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, D-04103 Leipzig, Germany
| | - Guntram Paul
- Intervet International, Wim de Körverstraat 35, 5830 AA Boxmeer, The Netherlands
| | - Dirk Enderlein
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, D-04103 Leipzig, Germany
| | - Tobias Stahl
- Department of Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
| | - Christian Grund
- Institute for Avian Diseases, Ludwig Maximilians University Munich, Sonnenstraße 18, D-85764 Oberschleißheim, Germany
| | - Hermann Müller
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, D-04103 Leipzig, Germany
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Zielonka A, Gedvilaite A, Ulrich R, Lüschow D, Sasnauskas K, Müller H, Johne R. Generation of virus-like particles consisting of the major capsid protein VP1 of goose hemorrhagic polyomavirus and their application in serological tests. Virus Res 2006; 120:128-37. [PMID: 16780983 DOI: 10.1016/j.virusres.2006.02.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2005] [Revised: 02/10/2006] [Accepted: 02/10/2006] [Indexed: 10/24/2022]
Abstract
Goose hemorrhagic polyomavirus (GHPV) is the causative agent of hemorrhagic nephritis and enteritis of geese (HNEG), a fatal disease of young geese with high mortality rates. GHPV cannot be efficiently propagated in tissue culture. To provide antigens for diagnostic tests and vaccines, its major structural protein VP1 was recombinantly expressed in Sf9 insect cells and in the yeast Saccharomyces cerevisiae. As demonstrated by density gradient centrifugation and electron microscopy, GHPV-VP1 expressed in insect cells formed virus-like particles (VLPs) with a diameter of 45 nm indistinguishable from infectious polyomavirus particles. However, efficiency of VLP formation was low as compared to the monkey polyomavirus SV-40-VP1. In yeast cells, GHPV-VP1 alone formed smaller VLPs, 20 nm in diameter. Remarkably, co-expression of GHPV-VP2 resulted in VLPs with a diameter of 45 nm. All three types of GHPV-VLPs were shown to hemagglutinate chicken erythrocytes. ELISA and hemagglutination inhibition tests using the VLPs as antigen detected GHPV-specific antibodies in up to 85.7% of sera derived from flocks with HNEG but in none of the sera of a clinically healthy flock. However, GHPV-specific antibodies were also detected in sera from two other flocks without HNEG indicating a broad distribution of GHPV due to subclinical or unrecognised infections.
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Affiliation(s)
- Anja Zielonka
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, D-04103 Leipzig, Germany
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Johne R, Raue R, Grund C, Kaleta EF, Müller H. Recombinant expression of a truncated capsid protein of beak and feather disease virus and its application in serological tests. Avian Pathol 2004; 33:328-36. [PMID: 15223562 DOI: 10.1080/0307945042000220589] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Beak and feather disease virus (BFDV) causes severe disease characterized by irreversible feather disorders and severe immunosuppression in many psittacine species. BFDV cannot be propagated in tissue or cell cultures, rendering virus propagation and thus diagnosis rather difficult. To develop reliable diagnostic methods, the region encoding the BFDV capsid protein C1 was cloned from an infected sulphur-crested cockatoo (Cacatua galerita). Phylogenetic analysis showed this gene had 76.3 to 83.2% amino acid identity to published sequences. No protein was detected after induction of full-length C1 expression in Escherichia coli. However, deletion of an amino-terminal arginine-rich sequence facilitated expression. C1(39-244)-His, a polyhistidine-tailed variant of this protein, was purified and used for immunization of chickens. The immune sera detected C1 with an apparent molecular weight of 27 kDa in western blots of organ homogenates of BFDV-infected birds. Using C1(39-244)-His as antigen, 11 psittacine sera were tested for the presence of BFDV-specific antibodies by enzyme-linked immunosorbent assay and immunoblotting. The results obtained correlated well with the BFDV-specific haemagglutination inhibition activity of the sera, suggesting C1(39-244)-His has value as a recombinant antigen for BFDV-specific serological tests.
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Affiliation(s)
- Reimar Johne
- Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 29, D-04103 Leipzig, Germany.
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Rossi G, Ceccherelli R, Piersigilli A, Tarantino C. Sertoli cell tumor associated with polyomavirus infection in a Gouldian finch (Erythrura gouldiae). Avian Dis 2003; 47:240-3. [PMID: 12713186 DOI: 10.1637/0005-2086(2003)047[0240:sctawp]2.0.co;2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A 3-yr-old male Gouldian finch (Erythrura gouldiae) died after 2 wk of lethargy, emaciation, feather loss, and abdominal distension. The bird was housed in an aviary for breeding, but it had shown loss of fertility in the previous breeding season. Necropsy revealed a gross, firm, and yellow mass involving the left testis. Histologically, the mass was a mixed form, intratubular and diffuse, Sertoli cell tumor. Some neoplastic cells had intranuclear inclusion bodies that immunoelectron microscopy proved to be polyomavirus particle aggregates. There were no viral inclusions in other tissues. The possible role of infection in the pathogenesis of the tumor is discussed.
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Affiliation(s)
- Giacomo Rossi
- Dipartimento di Scienze Veterinarie, Facoltà di Medicina Veterinaria, Via Circonvallazione no 93/95, 62024 Matelica (MC), Italy
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Herrera I, Khan SR, Kaleta EF, Müller H, Dolz G, Neumann U. Serological status for Chlamydophila psittaci, Newcastle disease virus, avian polyoma virus, and Pacheco disease virus in scarlet macaws (Ara macao) kept in captivity in Costa Rica. JOURNAL OF VETERINARY MEDICINE. B, INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH 2001; 48:721-6. [PMID: 11846016 DOI: 10.1046/j.1439-0450.2001.00485.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
From 1998 to 1999, a total of 128 blood samples were collected from scarlet macaws (Ara macao), kept in captivity in 11 different aviaries located in six provinces of Costa Rica. The sera were examined for antibodies directed against Chlamydophila psittaci, Newcastle disease virus (NDV), avian polyoma virus (APV), and Pacheco disease virus (PDV). Testing by enzyme-linked immunosorbent assay (ELISA), showed 16 (12.39%) of the samples (n = 129) exhibited antibodies directed against C. psittaci. Employing haemagglutination inhibition tests for NDV antibodies, all of the samples were found to be negative. The prevalence of antibodies specific for APV was tested with a blocking ELISA and serum neutralization tests (SNT) and 12 of 128 samples (9.37%) were found to be positive with both tests. In SNT, two out of 128 samples (1.56%) were positive for PDV. This is the first description of the serological status in scarlet macaws in captivity in Costa Rica. The study demonstrates the absence of NDV antibodies in the birds investigated on one hand, but also indicates a health hazard for numerous avian species due to the risk of infections with C. psittaci, APV or PDV.
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Affiliation(s)
- I Herrera
- Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
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