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Alabí Córdova AS, Fecchio A, Calchi AC, Dias CM, Machado RZ, André MR. Molecular evidence of Bartonella spp. in tropical wild birds from the Brazilian Pantanal, the largest wetland in South America. Vet Res Commun 2024; 48:1631-1640. [PMID: 38443588 DOI: 10.1007/s11259-024-10341-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 02/26/2024] [Indexed: 03/07/2024]
Abstract
Despite the worldwide occurrence of bartonellae in a broad range of mammal species, in which they usually cause a long-lasting erythrocytic bacteremia, few studies reported Bartonella spp. in avian hosts. The present work aimed to investigate the occurrence and molecular identity of Bartonella spp. infecting birds in the Pantanal wetland, central-western Brazil using a multigene approach. For this purpose, blood samples were collected from 517 individuals from 13 avian orders in the states of Mato Grosso and Mato Groso do Sul. DNA was extracted from avian blood and 500/517 (96.7%) samples were positive in a conventional PCR targeting the avian β-actin gene. Nineteen (3.8%) out of 500 avian blood samples were positive in a qPCR assay for Bartonella spp. based on the nuoG gene. Among 19 avian blood DNA samples positive in the qPCR for Bartonella spp., 12 were also positive in the qPCR for Bartonella based on the 16S-23S RNA Intergenic region (ITS). In the PCR assays performed for molecular characterization, one 16S rRNA, three ribC, and one nuoG sequences were obtained. Based on BLASTn results, while 1 nuoG, 2 ribC, and 2 ITS sequences showed high identity to Bartonella henselae, one 16S rRNA and 2 ITS showed high similarity to Bartonella machadoae in the sampled birds. Bartonella spp. related to B. henselae and B. machadoae were detected, for the first time, in wild birds from the Brazilian Pantanal.
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Affiliation(s)
- Amir Salvador Alabí Córdova
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Alan Fecchio
- Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA, USA
| | - Ana Cláudia Calchi
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Clara Morato Dias
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Rosangela Zacarias Machado
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil
| | - Marcos Rogério André
- Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução E Saúde Única, Faculdade de Ciências Agrárias E Veterinárias, Universidade Estadual "Júlio de Mesquita Filho", (FCAV/UNESP), Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, S/N, Zona Rural, São Paulo, Jaboticabal, CEP: 14884-900, Brazil.
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Alabí Córdova AS, Fecchio A, Calchi AC, Dias CM, Mongruel ACB, das Neves LF, Lee DAB, Machado RZ, André MR. Novel Tick-Borne Anaplasmataceae Genotypes in Tropical Birds from the Brazilian Pantanal Wetland. Microorganisms 2024; 12:962. [PMID: 38792791 PMCID: PMC11124045 DOI: 10.3390/microorganisms12050962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/01/2024] [Accepted: 05/04/2024] [Indexed: 05/26/2024] Open
Abstract
Despite numerous reports of Anaplasmataceae agents in mammals worldwide, few studies have investigated their occurrence in birds. The present study aimed to investigate the occurrence and molecular identity of Anaplasmataceae agents in birds from the Pantanal wetland, Brazil. Blood samples were collected from 93 different species. After DNA extraction, samples positive for the avian β-actin gene were subjected to both a multiplex quantitative real-time (q)PCR for Anaplasma and Ehrlichia targeting the groEL gene and to a conventional PCR for Anaplasmataceae agents targeting the 16S rRNA gene. As a result, 37 (7.4%) birds were positive for Anaplasma spp. and 4 (0.8%) for Ehrlichia spp. in the qPCR assay; additionally, 13 (2.6%) were positive for Anaplasmataceae agents in the PCR targeting the 16S rRNA gene. The Ehrlichia 16S rRNA sequences detected in Arundinicola leucocephala, Ramphocelus carbo, and Elaenia albiceps were positioned closely to Ehrlichia sp. Magellanica. Ehrlichia dsb sequences detected in Agelasticus cyanopus and Basileuterus flaveolus grouped with Ehrlichia minasensis. The 16S rRNA genotypes detected in Crax fasciolata, Pitangus sulphuratus and Furnarius leucopus grouped with Candidatus Allocryptoplasma. The 23S-5S genotypes detected in C. fasciolata, Basileuterus flaveolus, and Saltator coerulescens were related to Anaplasma phagocytophilum. In conclusion, novel genotypes of Anaplasma, Ehrlichia, and Candidatus Allocryptoplasma were detected in birds from the Pantanal wetland.
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Affiliation(s)
- Amir Salvador Alabí Córdova
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Alan Fecchio
- Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103, USA;
| | - Ana Cláudia Calchi
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Clara Morato Dias
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Anna Claudia Baumel Mongruel
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Lorena Freitas das Neves
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Daniel Antonio Braga Lee
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Rosangela Zacarias Machado
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
| | - Marcos Rogério André
- Vector-Borne Bioagents Laboratory (VBBL), Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinarian Sciences, Sao Paulo State University “Júlio de Mesquita Filho” (FCAV/UNESP), Jaboticabal 14884-900, Brazil; (A.S.A.C.); (A.C.C.); (C.M.D.); (A.C.B.M.); (L.F.d.N.); (D.A.B.L.); (R.Z.M.)
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Nishiura H, Nakajima T, Saito S, Kato A, Hatai H, Ochiai K. Assessing avian leukosis virus proviral load and lesion correlates in fowl glioma-inducing virus-infected Japanese bantam chickens. J Vet Diagn Invest 2023; 35:484-491. [PMID: 37452573 PMCID: PMC10467450 DOI: 10.1177/10406387231186954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023] Open
Abstract
The fowl glioma-inducing virus prototype (FGVp) and its variants, which belong to avian leukosis virus subgroup A (ALV-A), induce cardiomyocyte abnormalities and gliomas in chickens. However, the molecular mechanisms underlying these myocardial changes remain unclear, and ALV-induced tumorigenesis, which is caused by proviral insertional mutagenesis, does not explain the early development of cardiac changes in infected chickens. We established a quantitative PCR (qPCR) assay to measure ALV-A proviral loads in the brains and hearts of FGV-infected Japanese bantam chickens and compared these results with morphologic lesions. Four of 22 bantams had both gliomas and cardiac lesions. Hearts with cardiac lesions had a higher proviral load (10.3 ± 2.7 proviral copies/nucleus) than those without cardiac lesions (0.4 ± 0.4), suggesting that the proviral load in hearts is correlated with the frequency of myocardial changes. Our qPCR method may be useful in the study of ALV-induced cardiomyocyte abnormalities.
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Affiliation(s)
- Hayate Nishiura
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan
| | - Tomoe Nakajima
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan
| | - Shun Saito
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan
| | - Azusa Kato
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan
| | - Hitoshi Hatai
- Farm Animal Clinical Skills and Disease Control Center, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan
| | - Kenji Ochiai
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan
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Guo J, Deng Q, Zhu W, Fu F, Liu L, Wei T, Wei P. The phylogenetic analysis of the new emerging ALV-K revealing the co-prevailing of multiple clades in chickens and a proposal for the classification of ALV-K. Front Vet Sci 2023; 10:1228109. [PMID: 37576830 PMCID: PMC10416628 DOI: 10.3389/fvets.2023.1228109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/14/2023] [Indexed: 08/15/2023] Open
Abstract
Subgroup K avian leukosis virus (ALV-K) is a new subgroup of avian leukosis virus (ALV) that was first defined in 2012 and has been become prevalent in Chinese native chickens in recent years. An in-depth analysis of the genetic diversity of ALV-K was performed in the study. By Blast analysis, the env gene and the sequences of the 25 ALV-K isolates we isolated were found to be closely related to the isolates from Guangdong, Hebei, Jiangsu, and Hubei provinces, China. Further eighty-nine sequences of the gp85 gene of ALV-K strains available were used in the phylogenetic and genetic distance analyses for the classification. ALV-K was divided into two second-order clades (Clades 1.1 and 1.2) and three third-order clades (Clades 1.2.1, 1.2.2, and 1.2.3), indicating that not only 1.1 and 1.2.3, the two old clades which are prevalent in Japan, but also two new clades (1.2.1, 1.2.2), are co-prevalent in China. The representative strains of each clade were defined for the first time. Notably, Clade 1.2.2 was found to have a deletion of an amino acid residue in the gp85 gene, which was obviously different from Clades 1.1, 1.2.1, and 1.2.3. The proposed classification method will facilitate future studies of ALV-K epidemiology and the comparison of sequences obtained across the world. The first global comprehensive molecular epidemiological analysis was accomplished on the emerging ALV-K.
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Affiliation(s)
- Jinhan Guo
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
| | - Qiaomu Deng
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
- College of Animal Science, Guizhou University, Guiyang, China
| | - Weiyu Zhu
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
| | - Fumei Fu
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
| | - Linmin Liu
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
| | - Tianchao Wei
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
| | - Ping Wei
- Institute for Poultry Science and Health, Guangxi University, Nanning, China
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Fiddes KR, Williams SM, Sellers H, Thomas I, LaDouceur EEB. Presumed Spontaneous Astrocytoma in a Domestic Backyard Chicken. Avian Dis 2023; 67:209-211. [PMID: 37556301 DOI: 10.1637/aviandiseases-d-22-00068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 03/13/2023] [Indexed: 08/11/2023]
Abstract
A cerebral tumor was identified in an adult female domestic chicken (Gallus domesticus). On gross examination, the cut surface of the cerebrum revealed a poorly circumscribed, pale tan soft mass within the thalamus and midbrain. On histologic examination, there was an unencapsulated, multilobulated neoplasm composed of spindle cells on a loose fibrovascular stroma. Neoplastic cells had variably distinct cell borders, abundant fibrillar eosinophilic cytoplasm, oval nuclei with finely stippled chromatin, and 1-2 distinct nucleoli. There was moderate anisocytosis and anisokaryosis with <1 mitoses per 2.37 mm2. The morphologic features of the neoplastic cells were consistent with an astrocytic neoplasm. PCR was performed on formalin-fixed paraffin-embedded sections of brain tissue, which was negative for subgroup A avian leukosis virus. Based on these findings, the tumor was diagnosed as a presumed spontaneous astrocytoma.
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Affiliation(s)
| | | | - Holly Sellers
- Poultry Diagnostic and Research Center, Athens, GA 30602
| | - Ivy Thomas
- North Central Animal Hospital, Phoenix, AZ 85021
| | - Elise E B LaDouceur
- Joint Pathology Center, Silver Spring, MD 20910
- Zoetis Reference Laboratories, Louisville, KY 40213
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Li X, Yu Y, Ma M, Chang F, Muhammad F, Yu M, Ren C, Bao Y, Zhang Z, Liu A, Pan Q, Gao L, Qi X, Li K, Liu C, Zhang Y, Cui H, Wang X, Gao Y. Molecular characteristic and pathogenicity analysis of a novel multiple recombinant ALV-K strain. Vet Microbiol 2021; 260:109184. [PMID: 34311270 DOI: 10.1016/j.vetmic.2021.109184] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/17/2021] [Indexed: 11/30/2022]
Abstract
Avian leukosis virus (ALV) can induce various tumors and cause serious production problems. ALVs isolated from chickens were divided into six subgroups (A-J). In 2012, a strain of a putative novel subgroup of ALVs was isolated from Chinese native chickens in Jiangsu Province and named as ALV-K. In this study, three ALV-K strains (JS14LH01, JS13LH14, and JS15SG01) were isolated from chickens with suspected ALV infection in Jiangsu Province. Their complete genomes were amplified, sequenced, and analyzed systematically. The results showed that JS14LH01 and JS13LH14 were ALV-K and ALV-E recombinant strains. Whereas JS15SG01 is an ALV-K, ALV-E, and ALV-J multiple recombinant strain containing the U3 region of ALV-J. The pathogenicity test of JS15SG01 revealed that, compared with previous ALV-K strains, the viremia and viral shedding level of JS15SG01-infected chickens were significantly increased, reaching 100 % and 59 %, respectively. More important, JS15SG01 induced significant proliferation of gliocytes in the cerebral cortex of infected chickens, accompanied by the neurotropic phenomenon. This is the first report about a multiple recombinant ALV-K strain that could invade and injure the brain tissue of chickens in China. Our findings enriched the epidemiologic data of ALV and helped to reveal the evolution of ALV strains prevalent in chicken fields.
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Affiliation(s)
- Xinyi Li
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Yan Yu
- Jiangsu Institute of Poultry Sciences, Yangzhou, 225125, PR China
| | - Meige Ma
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Fangfang Chang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Farooque Muhammad
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Mengmeng Yu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Chaoqi Ren
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Yuanling Bao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Zhuo Zhang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Aijing Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Qing Pan
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Li Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Xiaole Qi
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Kai Li
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Changjun Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Yanping Zhang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Hongyu Cui
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China
| | - Xiaomei Wang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, Yangzhou, 225009, PR China
| | - Yulong Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, 150069, PR China.
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Nishiura H, Kubota I, Kondo Y, Kachi M, Hatai H, Sasaki J, Goryo M, Ochiai K. Neuropathogenicity of newly isolated avian leukosis viruses from chickens with osteopetrosis and mesenchymal neoplasms. Avian Pathol 2020; 49:440-447. [PMID: 32301629 DOI: 10.1080/03079457.2020.1757621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
ABSTRACT The prototype fowl glioma-inducing virus (FGVp) causes fowl glioma and cerebellar hypoplasia in chickens. In this study, we investigated whether a strain of avian leukosis virus (ALV), associated with avian osteopetrosis and mesenchymal neoplasms, is able to induce fowl glioma. We encountered avian osteopetrosis and mesenchymal neoplasms, including myxosarcoma and rhabdomyosarcoma, in Japanese native chickens used for both egg-laying and meat production. These birds were also affected by non-suppurative encephalitis and glioma in their brains. Four ALV strains (GifN_001, GifN_002, GifN_004, GifN_005) were isolated, and a phylogenic analysis of envSU showed that these isolates were classified into different clusters from FGVp and the variants previously reported. Whereas the envSU shared a high identity (94.7%) with that of Rous sarcoma virus (strain Schmidt-Ruppin B) (RSV-SRB), the identity between envTM of GifN_001 and that of FGVp was high (94.5%), indicating that GifN_strains may emerge by recombination between FGVp and other exogenous ALVs. Specific-pathogen-free chickens inoculated in ovo with GifN_001 revealed fowl glioma and cerebellar hypoplasia. These results suggest that the newly isolated strains have acquired neuropathogenicity to chickens.
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Affiliation(s)
- Hayate Nishiura
- Laboratory of Veterinary Pathology, Co-department of Veterinary Medicine, Iwate University, Morioka, Japan
| | - Ikuko Kubota
- Laboratory of Veterinary Pathology, Co-department of Veterinary Medicine, Iwate University, Morioka, Japan
| | - Yui Kondo
- Laboratory of Veterinary Pathology, Co-department of Veterinary Medicine, Iwate University, Morioka, Japan
| | | | - Hitoshi Hatai
- Department of Pathogenetic and Preventive Veterinary Science, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Jun Sasaki
- Laboratory of Veterinary Pathology, Co-department of Veterinary Medicine, Iwate University, Morioka, Japan
| | - Masanobu Goryo
- Laboratory of Veterinary Pathology, Co-department of Veterinary Medicine, Iwate University, Morioka, Japan
| | - Kenji Ochiai
- Laboratory of Veterinary Pathology, Co-department of Veterinary Medicine, Iwate University, Morioka, Japan
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Nakamura S, Ochiai K, Abe A, Kishi S, Takayama K, Sunden Y. Astrocytic growth through the autocrine/paracrine production of IL-1β in the early infectious phase of fowl glioma-inducing virus. Avian Pathol 2014; 43:437-42. [PMID: 25117822 DOI: 10.1080/03079457.2014.952621] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Fowl glioma is characterized morphologically by multiple nodular astrocytic growth with disseminated non-suppurative encephalitis. The disease is caused by fowl glioma-inducing virus (FGV) and its variants, belonging to subgroup A of avian leukosis virus (ALV-A). Fifty-seven FGV variants have so far been isolated from Japanese fowls and these variants have a variable degree of glioma inducibility. However, how these ALVs induce glioma with different degrees and frequencies has not been fully elucidated. In this study, we investigated the relationship between intracerebral viral replication and astrocytic growth in the early infectious phase. Replication abilities of two ALV strains, Sp-53 (a FGV variant) and ALV-based replication-competent vector RCAS(A) without glioma inducibility, were compared in the brains of C/O specific pathogen free chickens at 35 days of age. Sp-53 replicated faster than RCAS(A), and the histological score and the level of interleukin (IL)-1β in brains increased depending on the level of intracerebral viral RNA. Up-regulation of IL-1β was also demonstrated in primary cultured astrocytes. These results suggest that the astrocytic growth in this phase is enhanced through the autocrine/paracrine production of IL-1β in the FGV-infected astrocytes.
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Affiliation(s)
- Sayuri Nakamura
- a Laboratory of Comparative Pathology, Graduate School of Veterinary Medicine , Hokkaido University , Sapporo , Japan
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Cui N, Su S, Chen Z, Zhao X, Cui Z. Genomic sequence analysis and biological characteristics of a rescued clone of avian leukosis virus strain JS11C1, isolated from indigenous chickens. J Gen Virol 2014; 95:2512-2522. [PMID: 25009192 DOI: 10.1099/vir.0.067264-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The strain JS11C1, a member of a putative new subgroup of avian leukosis virus (ALV) that is different from all six known subgroups from chickens based on Gp85 amino acid sequence comparison, was isolated from Chinese native chicken breeds in 2012. In order to further study the genome structure, biological characteristics, and the evolutionary relationship of the virus with others of known subgroups from infected chickens, we determined the complete genome sequence, constructed an infectious clone of ALV strain JS11C1, and performed comparative analysis using the whole genome sequence or elements with that of other ALVs available in GenBank. The results showed that the full-length sequence of the JS11C1 DNA provirus genome was 7707 bp, which is consistent with a genetic organization typical of a replication-competent type C retrovirus lacking viral oncogenes. The rescued infectious clone of JS11C1 showed similar growth rate and biological characteristics to its original virus. All the comparison analyses based on whole genomes support the opinion that the new isolates are relatively distantly related to any known subgroups of ALVs and might be classified as a new subgroup.
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Affiliation(s)
- Ning Cui
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an 271018, PR China.,College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, PR China
| | - Shuai Su
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an 271018, PR China.,College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, PR China
| | - Zimeng Chen
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an 271018, PR China.,College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, PR China
| | - Xiaomin Zhao
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an 271018, PR China.,College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, PR China
| | - Zhizhong Cui
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Tai'an 271018, PR China.,College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, PR China
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10
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Gandhi S, Felini MJ, Ndetan H, Cardarelli K, Jadhav S, Faramawi M, Johnson ES. A Pilot Case-Cohort Study of Brain Cancer in Poultry and Control Workers. Nutr Cancer 2014; 66:343-50. [DOI: 10.1080/01635581.2013.878734] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Ochi A, Ochiai K, Kobara A, Nakamura S, Hatai H, Handharyani E, Tiemann I, Tanaka IB, Toyoda T, Abe A, Seok SH, Sunden Y, Torralba NC, Park JH, Hafez HM, Umemura T. Epidemiological study of fowl glioma-inducing virus in chickens in Asia and Germany. Avian Pathol 2012; 41:299-309. [PMID: 22702458 DOI: 10.1080/03079457.2012.684373] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Fowl glioma-inducing virus (FGV), which belongs to avian leukosis virus (ALV) subgroup A, induces fowl glioma. This disease is characterized by multiple nodular gliomatous growths of astrocytes and has been previously reported in Europe, South Africa, Australia, the United States and Japan. FGV and FGV variants have spread to ornamental Japanese fowl, including Japanese bantams (Gallus gallus domesticus), in Japan. However, it is unclear how and where FGV emerged and whether FGV is related to the past fowl glioma in European countries. In this study, the prevalence of FGV in European, Asian and Japanese native chickens was examined. FGV could not be isolated from any chickens in Germany and Asian countries other than Japan. Eighty (26%) out of 307 chickens reared in Japan were positive by FGV-screening nested polymerase chain reaction and 11 FGV variants with an FGV-specific sequence in their 3' untranslated region were isolated. In addition, four other ALVs lacking the FGV-specific sequence were isolated from Japanese bantams with fowl glioma and/or cerebellar hypoplasia. These isolates were considered to be distinct recombinant viruses between FGV variants and endogenous/exogenous avian retroviruses. These results suggest that the variants as well as distinct recombinant ALVs are prevalent among Japanese native chickens in Japan and that FGV may have emerged by recombination among avian retroviruses in the chickens of this country.
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Affiliation(s)
- Akihiro Ochi
- Laboratory of Comparative Pathology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
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12
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Qiu Y, Qian K, Shen H, Jin W, Qin A. Development and validation of an indirect enzyme-linked immunosorbent assay for the detection of Avian leukosis virus antibodies based on a recombinant capsid protein. J Vet Diagn Invest 2012; 23:991-3. [PMID: 21908361 DOI: 10.1177/1040638711416966] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Avian leukosis virus (ALV) is associated with tumor development and growth retardation in poultry. Eradication of virus infection at the primary breeder level is the principal method for controlling ALV infection in chickens. An indirect enzyme-linked immunosorbent assay (iELISA) method that utilized the prokaryotically expressed and affinity-purified viral capsid protein antigen p27 was developed for the detection of ALV-specific antibodies in chicken sera. The protocol of iELISA was validated and resulted in a higher agreement value than fluorescent antibody test (FAT) and was shown to be more sensitive and specific compared to the commercial ALV antibody test kit when FAT was used as a reference test. The main advantage of this method is the use of a single immunogenic protein to detect antibodies against all ALV exogenous subgroups. The results show that the developed iELISA is an inexpensive alternative and can potentially be used as a confirmatory test for the presence of anti-ALV antibodies on a large scale.
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Affiliation(s)
- Yu Qiu
- Key Lab of Jiangsu Preventive Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, No. 12 East, Wenhui Road, Yangzhou, Jiangsu Province, China
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13
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Kofman A, Marcinkiewicz L, Dupart E, Lyshchev A, Martynov B, Ryndin A, Kotelevskaya E, Brown J, Schiff D, Abounader R. The roles of viruses in brain tumor initiation and oncomodulation. J Neurooncol 2011; 105:451-66. [PMID: 21720806 PMCID: PMC3278219 DOI: 10.1007/s11060-011-0658-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Accepted: 06/24/2011] [Indexed: 01/30/2023]
Abstract
While some avian retroviruses have been shown to induce gliomas in animal models, human herpesviruses, specifically, the most extensively studied cytomegalovirus, and the much less studied roseolovirus HHV-6, and Herpes simplex viruses 1 and 2, currently attract more and more attention as possible contributing or initiating factors in the development of human brain tumors. The aim of this review is to summarize and highlight the most provoking findings indicating a potential causative link between brain tumors, specifically malignant gliomas, and viruses in the context of the concepts of viral oncomodulation and the tumor stem cell origin.
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Affiliation(s)
- Alexander Kofman
- Department of Microbiology, University of Virginia, P.O. Box 800168, Charlottesville, VA 22908, USA
| | - Lucasz Marcinkiewicz
- Department of Microbiology, University of Virginia, P.O. Box 800168, Charlottesville, VA 22908, USA
| | - Evan Dupart
- Department of Microbiology, University of Virginia, P.O. Box 800168, Charlottesville, VA 22908, USA
| | - Anton Lyshchev
- St. Petersburg State Department of Health, Laboratory of Molecular Genetics, Hospital #31, Pr. Dinamo 3, St. Petersburg 197110, Russia
| | - Boris Martynov
- S.M.Kirov Medical Academy, Pr. Dinamo 3, St. Petersburg 197110, Russia
| | - Anatolii Ryndin
- Clinical Diagnostic Center, Pr. Dinamo 3, St. Petersburg 197110, Russia
| | - Elena Kotelevskaya
- St. Petersburg State Department of Health, Laboratory of Molecular Genetics, Hospital #31, Pr. Dinamo 3, St. Petersburg 197110, Russia
| | - Jay Brown
- Department of Microbiology, University of Virginia, P.O. Box 800168, Charlottesville, VA 22908, USA
| | - David Schiff
- Department of Cancer Center, University of Virginia, Charlottesville, VA, USA
| | - Roger Abounader
- Department of Microbiology, University of Virginia, P.O. Box 800168, Charlottesville, VA 22908, USA. Department of Cancer Center, University of Virginia, Charlottesville, VA, USA
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Nakamura S, Ochiai K, Hatai H, Ochi A, Sunden Y, Umemura T. Pathogenicity of avian leukosis viruses related to fowl glioma-inducing virus. Avian Pathol 2011; 40:499-505. [PMID: 21854177 DOI: 10.1080/03079457.2011.605783] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Fowl glioma-inducing virus (FGV), which belongs to avian leukosis virus subgroup A, causes the so-called fowl glioma and cerebellar hypoplasia in chickens. In the present study, the complete nucleotide sequences of four isolates (Tym-43, U-1, Sp-40 and Sp-53) related to the FGV prototype were determined and their pathogenicity was investigated. Phylogenetic analysis showed that the 3'-long terminal repeat of all isolates grouped together in a cluster, while sequences of the surface (SU) proteins encoded by the env gene of these viruses had 85 to 96% identity with the corresponding region of FGV. The SU regions of Tym-43, U-1 and FGV grouped together in a cluster, but those of Sp-40 and Sp-53 formed a completely separate cluster. Next, C/O specific-pathogen-free chickens were inoculated in ovo with these isolates as well as the chimeric virus RCAS(A)-(FGVenvSU), constructed by substituting the SU region of FGV into the retroviral vector RCAS(A). The four variants induced fowl glioma and cerebellar hypoplasia and the birds inoculated with Sp-53 had the most severe lesions. In contrast, RCAS(A)-(FGVenvSU) provoked only mild non-suppurative inflammation. These results suggest that the ability to induce brain lesions similar to those of the FGV prototype is still preserved in these FGV variants.
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Affiliation(s)
- Sayuri Nakamura
- Laboratory of Comparative Pathology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
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15
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Zhang HN, Lai HZ, Qi Y, Zhang XT, Ning ZY, Luo KJ, Xin CA, Cao WS, Liao M. An ALV-J isolate is responsible for spontaneous haemangiomas in layer chickens in China. Avian Pathol 2011; 40:261-7. [DOI: 10.1080/03079457.2011.560142] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Rajabzadeh M, Dadras H, Mohammadi A. Detection of avian leukosis virus subgroups in albumen of commercial and native fowl eggs using RT-PCR in Iran. Trop Anim Health Prod 2010; 42:1829-36. [PMID: 20640887 DOI: 10.1007/s11250-010-9645-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2010] [Indexed: 11/30/2022]
Abstract
Avian leukosis viruses (ALVs) belong to Alpharetrovirus genus of the family Retroviridae that are widespread in nature. Different subgroups of ALV commonly infect egg-laying hens. They are responsible for economic losses due to both mortality and depressed performance in chickens. To investigate the presence of these viruses in chickens in Iran, 560 egg albumens were selected from different farms of Fars province, Iran. These eggs were obtained from flocks of two research centers of native fowl production (60 eggs), a broiler grandparent farm (100 eggs), three broiler breeder farms (300 eggs), and a commercial layer flock (100 eggs). Firstly, for primary screening a degenerative primer set (PU1 and PU2) were used in reverse transcriptase-polymerase chain reaction (RT-PCR). Positive cases were detected in 47 of 300 (15.7%) samples from three broiler breeders, 40 of 100 (40%) samples from commercial layer, 53 of 60 (88.3%) samples from flocks of two research centers of native fowl production, and none from the samples of broiler grandparent. Then RT-PCR was undertaken with primers PA1 and PA2 on the positive samples. RT-PCR analysis detected ALVs in two of 47 (4.3%) samples from three broiler breeders, 13 of 40 (32.5%) samples from commercial layer, and 19 of 53 (35.8%) samples from flocks of two research centers of native fowl production. The sequencing results showed that subgroup E of ALV was the most detected virus among chicken eggs and subgroup B was more prevalent in the eggs of native fowls. This is the first report of the ALV subgroup B and E in egg albumen in Iran.
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Affiliation(s)
- Mostafa Rajabzadeh
- Department of Veterinary Medicine, Islamic Azad University, Birjand Branch, Birjand, Iran.
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Hatai H, Ochiai K, Umemura T. Detection of Avian Leukosis Virus Genome by a Nested Polymerase Chain Reaction using DNA and RNA from Dried Feather Shafts. J Vet Diagn Invest 2009; 21:519-22. [DOI: 10.1177/104063870902100415] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The nested polymerase chain reaction (nPCR) using frozen feather pulp is useful for detecting fowl glioma-inducing virus (FGV), which belongs to the Avian leukosis virus family, and it has recently been suggested that FGV has spread to ornamental chickens kept in Japanese zoological gardens. In the current study, the practicality of using DNA and RNA from dried feather shafts as PCR samples was examined to establish a simple method for tissue preservation. Feather shafts were collected from 7 FGV-positive chickens and stored at room temperature for 30 days. DNA and RNA were extracted from these dried materials. All DNA and complementary DNA (cDNA) prepared from the RNA showed positive results for chicken β-actin and FGV, respectively. Screening for FGV was performed on Japanese fowls kept in zoological garden N. Of the feather shafts collected from 57 birds, 1 sample tested positive for FGV according to PCR of DNA and cDNA samples from the dried feather shafts. This positive bird originated from zoological garden A and had brain lesions suggestive of fowl glioma. The results suggest that DNA and RNA from dried feather shafts can be used in nPCR to detect the FGV genome.
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Affiliation(s)
- Hitoshi Hatai
- Laboratory of Comparative Pathology
- Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan, and the Japan Societry for the Promotion of Science, Japan
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