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Marian L, Withoeft JA, Esser M, Dal Molin SR, Hamckmeier D, Baumbach LF, Canal CW, Casagrande RA. Uncommon bovine viral diarrhea virus subtype 1e associated with abortions in cattle in southern Brazil. J Vet Diagn Invest 2024; 36:115-119. [PMID: 37908042 PMCID: PMC10734589 DOI: 10.1177/10406387231209739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023] Open
Abstract
We characterized bovine viral diarrhea virus (BVDV)-related abortions in cattle and identified the species and subgenotypes in the state of Santa Catarina, southern Brazil. Our RT-PCR assay was positive for BVDV in 5 fetuses from different farms; however, 3 of the 5 fetuses were also PCR-positive for Neospora caninum. In the 5 BVDV-positive fetuses, gross lesions included fetal mummification (1), hepatomegaly (1), subcutaneous edema (1), and perirenal edema (1). Predominant histologic lesions included epicarditis and mild-to-moderate lymphoplasmacytic myocarditis (5), mild multifocal lymphoplasmacytic interlobular pneumonia (4), nephrosis associated with moderate multifocal interstitial nephritis (1), moderate multifocal lymphoplasmacytic necrotic hepatitis (1), and mild multifocal lymphoplasmacytic meningitis (1). The amplification products from the Pestivirus 5'UTR region of 4 of the 5 fetuses had 96.3-100% similarity between fetal strains and reference strains. The samples were distributed into 2 branches of the phylogenetic tree; strains UDESC:01, UDESC:02, and UDESC:05 clustered in the BVDV-1e branch, uncommon in the Americas, and strain UDESC:04 clustered in the BVDV-2b branch. The three 1e strains had 96.9-97.4% similarity.
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Affiliation(s)
- Lucas Marian
- Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina (UDESC), Lages, Santa Catarina, Brazil
| | - Jéssica A. Withoeft
- Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina (UDESC), Lages, Santa Catarina, Brazil
| | - Maiara Esser
- Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina (UDESC), Lages, Santa Catarina, Brazil
| | - Stephane R. Dal Molin
- Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina (UDESC), Lages, Santa Catarina, Brazil
| | - Deise Hamckmeier
- Prefeitura de Pouso Redondo, Pouso Redondo, Santa Catarina, Brazil
| | - Letícia F. Baumbach
- Laboratorio de Virologia Veterinária, Faculdade de Medicina Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Cláudio W. Canal
- Laboratorio de Virologia Veterinária, Faculdade de Medicina Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Renata A. Casagrande
- Laboratório de Patologia Animal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina (UDESC), Lages, Santa Catarina, Brazil
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Echenique JVZ, Gris AH, Camargo LJ, De Lorenzo C, Bertolini M, Barbosa FMS, Ansolch M, Canal CW, Panziera W, Pavarini SP, Sonne L. Fatal Simplexvirus humanalpha1 infection in howler-monkeys (Alouatta sp.) under human care: Clinical, molecular, and pathological findings. J Med Primatol 2023; 52:392-399. [PMID: 37602976 DOI: 10.1111/jmp.12670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 08/22/2023]
Abstract
BACKGROUND Simplexvirus humanalpha1 (HuAHV-1) are common anthropozoonosis reported in marmosets but rare in howler monkeys (Alouatta sp.). METHODS Necropsy of two brown-howler monkeys (A. caraya) and one red-howler monkey (A. guariba clamitans) from different zoo collections were performed. Fragments of all organs were examined through microscopy. Samples were submitted to IHC for Simplexvirus humanalpha 2 (HuAHV-2) [sin. Herpesvirus simplex type 2] and PCR. RESULTS Grossly, only the A. guariba showed liver lesions characterized by multifocal, pinpoint white areas corresponding microscopically as random necrotizing herpetic hepatitis and ulcerative glossitis. Both A. caraya showed necrotizing meningoencephalitis with Cowdry A-type body inclusions within neurons and astrocytes. Immunolabeling for HuAHV-1/2 was observed in the tongue, liver, and brain. HuAHV-1 was confirmed in all samples by PCR, Sanger sequencing, and phylogenetic analyses. CONCLUSION Necrotizing meningoencephalitis was appreciated in 2/3 of animals, and it is associated with neurologic signs. Along with ulcerative glossitis, a hallmark lesion in marmosets, it was present in one animal. Regarding herpetic hepatitis, it is not frequent in monkeys and occurs mainly in immunocompromised animals. HuAHV-1 infection was confirmed corroborating with a human source. This is the second report on captive black-howler monkeys and the first gross, histologic, immunohistochemical, and molecular description of herpetic hepatitis and ulcerative glossitis in red-howler monkeys (A. guariba).
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Affiliation(s)
- Joanna V Z Echenique
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Anderson H Gris
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Laura J Camargo
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Cíntia De Lorenzo
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Marianna Bertolini
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Franscisca M S Barbosa
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Moira Ansolch
- Mantenedor de Fauna Arca de Noé (MFAN), Morro Reuter, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Welden Panziera
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Luciana Sonne
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Mosena ACS, Ma H, Casas E, Dassanayake RP, Canal CW, Neill JD, Falkenberg SM. Multivariate analysis reveals that BVDV field isolates do not show a close VN-based antigenic relationship to US vaccine strains. BMC Res Notes 2023; 16:121. [PMID: 37365644 DOI: 10.1186/s13104-023-06410-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 06/20/2023] [Indexed: 06/28/2023] Open
Abstract
OBJECTIVE Evaluate bovine viral diarrhea virus (BVDV) antigenicity by using virus neutralization titers (VNT) analyzed using the principal component analysis (PCA) from antisera generated against US-based vaccine strains against both US-origin field isolates and non-US-origin field isolates. RESULTS Data from both independent analyses demonstrated that several US-origin and non-US-origin BVDV field isolates appear to be antigenically divergent from the US-based vaccine strains. Results from the combined analysis provided greater insight into the antigenic diversity observed among BVDV isolates. Data from this study further support genetic assignment into BVDV subgenotypes, as well as strains within subgenotypes is not representative of antigenic relatedness. PCA highlights isolates that are antigenically divergent from members of the same species and subgenotype and conversely isolates that belong to different subgenotypes have similar antigenic characteristics when using antisera from US-based vaccine isolates.
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Affiliation(s)
- Ana Cristina S Mosena
- Ruminant Disease and Immunology Research Unit, National Animal Disease Center, USDA, Agricultural Research Service, Ames, IA, USA
| | - Hao Ma
- Ruminant Disease and Immunology Research Unit, National Animal Disease Center, USDA, Agricultural Research Service, Ames, IA, USA
| | - Eduardo Casas
- Ruminant Disease and Immunology Research Unit, National Animal Disease Center, USDA, Agricultural Research Service, Ames, IA, USA
| | - Rohana P Dassanayake
- Ruminant Disease and Immunology Research Unit, National Animal Disease Center, USDA, Agricultural Research Service, Ames, IA, USA
| | - Cláudio W Canal
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - John D Neill
- Ruminant Disease and Immunology Research Unit, National Animal Disease Center, USDA, Agricultural Research Service, Ames, IA, USA
| | - Shollie M Falkenberg
- College of Veterinary Medicine, Department of Pathobiology, Auburn University, Auburn, AL, USA.
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Cecco BS, Henker LC, Lorenzett MP, Molossi FA, Schwertz CI, Baumbach LF, Weber MN, Canal CW, Driemeier D, Pavarini SP, Langohr IM, Carossino M, Balasuriya UBR, Sonne L. An outbreak of visna-maedi in a flock of sheep in Southern Brazil. Braz J Microbiol 2022; 53:1723-1730. [PMID: 35478313 PMCID: PMC9433499 DOI: 10.1007/s42770-022-00763-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 04/19/2022] [Indexed: 11/26/2022] Open
Abstract
Visna-maedi is a multisystemic and progressive inflammatory disease caused by a non-oncogenic retrovirus (Visna-maedi virus, VMV). An outbreak of visna-maedi occurred in Southern Brazil in sheep with clinical signs of blindness and stumbling gait. At post-mortem examination, all animals had similar lesions, including heavy non-collapsed lungs and multifocal yellow areas in the cerebral white matter, affecting mainly the periventricular region. These lesions corresponded histologically to lymphocytic interstitial pneumonia and histiocytic periventricular encephalitis surrounding areas of necrosis, in addition to significant demyelination in the brain. Serology was performed in all the sheep from the flock and 14% were seropositive for VMV. The presence of VMV was confirmed through PCR and partial sequencing of the 5'LTR. Sequencing demonstrated that the virus had 89.7 to 90.0% of nucleotide identity with VMV strains reported in the USA. This is the first description of clinical disease related to VMV in Brazil leading to economic losses. This study calls for the need to implement control measures to prevent the spread of small ruminant lentiviruses in Brazil.
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Affiliation(s)
- Bianca S Cecco
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
| | - Luan C Henker
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Marina P Lorenzett
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Franciéli A Molossi
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Claiton I Schwertz
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Letícia F Baumbach
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Ingeborg M Langohr
- Department of Pathobiological Sciences and Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University (LSU), Baton Rouge, LA, USA
| | - Mariano Carossino
- Department of Pathobiological Sciences and Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University (LSU), Baton Rouge, LA, USA
| | - Udeni B R Balasuriya
- Department of Pathobiological Sciences and Louisiana Animal Disease Diagnostic Laboratory, School of Veterinary Medicine, Louisiana State University (LSU), Baton Rouge, LA, USA
| | - Luciana Sonne
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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da Silva MS, Mosena ACS, Baumbach L, Demoliner M, Gularte JS, Pavarini SP, Driemeier D, Weber MN, Spilki FR, Canal CW. Cattle influenza D virus in Brazil is divergent from established lineages. Arch Virol 2022; 167:1181-1184. [PMID: 35301569 PMCID: PMC8929453 DOI: 10.1007/s00705-022-05416-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 02/03/2022] [Indexed: 11/28/2022]
Abstract
Influenza D virus (IDV) is endemic in cattle on several continents and can also infect a wide range of hosts. IDV was first detected in a bovine respiratory disease outbreak associated with bovine alphaherpesvirus 1 in Brazil. Sequence analysis of partial segments showed that the virus is phylogenetically divergent from previously described IDVs from other continents. As the first molecular description of IDV in South America, this can be a first step toward investigating IDV infections in cattle in Brazil and surrounding countries in which the beef industry is economically important.
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Affiliation(s)
- Mariana S da Silva
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, Brazil.
| | | | - Letícia Baumbach
- Laboratório de Virologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Meriane Demoliner
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, Brazil
| | - Juliana S Gularte
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, Brazil
| | - Saulo P Pavarini
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Matheus N Weber
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, Brazil
| | - Fernando R Spilki
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Weber MN, Mosena ACS, Baumbach LF, da Silva MS, Canova R, Dos Santos DRL, Budaszewski RDF, de Oliveira LV, Soane MM, Saraiva NB, Bellucco FT, Mazurek BA, Diehl GN, Gil LHVG, Borba MR, Corbellini LG, Canal CW. Correction to: Serologic evidence of West Nile virus and Saint Louis encephalitis virus in horses from Southern Brazil. Braz J Microbiol 2021; 52:1055. [PMID: 33907995 DOI: 10.1007/s42770-021-00504-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Matheus N Weber
- Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Universidade Feevale, Novo Hamburgo, RS, Brazil.
| | - Ana C S Mosena
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Letícia F Baumbach
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Mariana S da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Raíssa Canova
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Débora R L Dos Santos
- Instituto de Veterinária, Universidade Federal Rural do Rio deJaneiro (UFRRJ), Seropédica, RJ, Brazil
| | - Renata da F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Livia V de Oliveira
- Instituto Ageu Magalhães, Fundação Oswaldo Cruz (FIOCRUZ), Recife, PE, Brazil
| | | | | | | | | | - Gustavo N Diehl
- Secretaria da Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul (SEAPDR-RS), Porto Alegre, RS, Brazil
| | - Laura H V G Gil
- Instituto Ageu Magalhães, Fundação Oswaldo Cruz (FIOCRUZ), Recife, PE, Brazil
| | - Mauro R Borba
- Laboratório de Epidemiologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Luis G Corbellini
- Laboratório de Epidemiologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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7
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Canova R, Budaszewski RF, Weber MN, da Silva MS, Puhl DE, Battisti LO, Soares JF, Wagner PG, Varela APM, Mayer FQ, Canal CW. Spleen and lung virome analysis of South American fur seals (Arctocephalus australis) collected on the southern Brazilian coast. Infect Genet Evol 2021; 92:104862. [PMID: 33848685 DOI: 10.1016/j.meegid.2021.104862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/17/2021] [Accepted: 04/08/2021] [Indexed: 01/23/2023]
Abstract
South American fur seals (Arctocephalus australis) are believed to reach the coast of Rio Grande do Sul (RS) through sea currents. They live in colonies and are frequently found resting on the beach. However, it is also common to find dead pinnipeds on beaches, sharing the environment with humans, domestic animals and other wild species on the coast and facilitating the transmission of pathogens. In the present study, a metagenomic approach was applied to evaluate the viral diversity in organs of fur seals found deceased along the coast of the state of RS, southern Brazil. The lungs and spleens of 29 animals were collected, macerated individually, pooled separately (one pool for lungs and another for spleens) and sequenced using the Illumina MiSeq platform. Sequences more closely related to members of the Anelloviridae and Circoviridae families were detected. Nine putative new species of anellovirus and one putative new genus, named Nitorquevirus, were described. Additionally, the circovirus sequences found in the lungs of A. australis have a common ancestor with PCV3, a proposed swine pathogen. Our study expanded the knowledge about viral communities in pinnipeds and could be useful for monitoring new viruses and potential viral sharing among wildlife, domestic animals, and humans.
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Affiliation(s)
- R Canova
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - R F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - M N Weber
- Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Universidade Feevale, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - M S da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - D E Puhl
- Laboratório de Virologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Brazil
| | - L O Battisti
- Laboratório Protozoologia e Riquettsioses Vetoriais, Faculdade de Veterinária, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - J F Soares
- Laboratório Protozoologia e Riquettsioses Vetoriais, Faculdade de Veterinária, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - P G Wagner
- Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis (IBAMA), Brazil
| | - A P M Varela
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Secretaria da Agricultura, Pecuária e Irrigação do Rio Grande do Sul (SEAPI-RS), Eldorado do Sul, Rio Grande do Sul, Brazil
| | - F Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Secretaria da Agricultura, Pecuária e Irrigação do Rio Grande do Sul (SEAPI-RS), Eldorado do Sul, Rio Grande do Sul, Brazil
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
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8
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Weber MN, Mosena ACS, Baumbach LF, da Silva MS, Canova R, Dos Santos DRL, Budaszewski RDF, de Oliveira LV, Soane MM, Saraiva NB, Bellucco FT, Mazurek BA, Diehl GN, Gil LHVG, Borba MR, Corbellini LG, Canal CW. Serologic evidence of West Nile virus and Saint Louis encephalitis virus in horses from Southern Brazil. Braz J Microbiol 2021; 52:1021-1027. [PMID: 33797731 DOI: 10.1007/s42770-021-00474-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 03/26/2021] [Indexed: 12/26/2022] Open
Abstract
Flaviviruses as West Nile virus (WNV), Saint Louis encephalitis virus (SLEV), Ilhéus virus (ILHV), and Rocio virus (ROCV) are previously reported in different Brazilian regions, but studies in Southern Brazil are still scarce. To improve the information regarding flaviviruses in Southern Brazil, horse serum samples were analyzed using RT-qPCR and a commercial ELISA-Ab against WNV followed by PRNT75. All 1000 samples analyzed by real-time RT-PCR resulted negative. The 465 subsampled samples were analyzed by a commercial ELISA-Ab against WNV, and the 18.5% (86/465) positive samples were further analyzed by PRNT75. In the PRNT75, 13/86 and 2/86 horses were positive for SLEV and WNV, respectively. It was observed that 5.8% (13/226) of the farms presented at least one positive animal for SLEV in PRNT75, whereas 0.9% (2/226) for WNV. Apart from the lower seroprevalences identified when compared to data previously reported in other Brazilian regions, our results suggest that public health professionals must be aware of the presence of these potential zoonotic pathogens.
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Affiliation(s)
- Matheus N Weber
- Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Universidade Feevale, Novo Hamburgo, RS, Brazil.
| | - Ana C S Mosena
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Letícia F Baumbach
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Mariana S da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Raíssa Canova
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Débora R L Dos Santos
- Instituto de Veterinária, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Renata da F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Livia V de Oliveira
- Instituto Ageu Magalhães, Fundação Oswaldo Cruz (FIOCRUZ), Recife, PE, Brazil
| | | | | | | | | | - Gustavo N Diehl
- Secretaria da Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul (SEAPDR-RS), Porto Alegre, RS, Brazil
| | - Laura H V G Gil
- Instituto Ageu Magalhães, Fundação Oswaldo Cruz (FIOCRUZ), Recife, PE, Brazil
| | - Mauro R Borba
- Laboratório de Epidemiologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Luis G Corbellini
- Laboratório de Epidemiologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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9
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Paim WP, Maggioli MF, Weber MN, Rezabek G, Narayanan S, Ramachandran A, Canal CW, Bauermann FV. Virome characterization in serum of healthy show pigs raised in Oklahoma demonstrated great diversity of ssDNA viruses. Virology 2021; 556:87-95. [PMID: 33550118 DOI: 10.1016/j.virol.2021.01.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 02/08/2023]
Abstract
In the United States, show pigs are raised to compete in agricultural events. These animals are usually raised in small herds with extensive human, domestic, and wild animal contact. Therefore, pathogen monitoring in this animal category is critical for improved disease surveillance and preparedness. This study characterized the virome of healthy show pigs using high-throughput sequencing using pooled serum samples from 2018 or 2019 (200 samples each pool). Results demonstrated the presence of DNA viral families (Parvoviridae, Circoviridae, and Herpesviridae) and RNA families (Arteriviridae, Flaviviridae, and Retroviridae). Twenty-three viral species were identified, including the first detection of porcine bufavirus in the US. Moreover, important swine pathogens identified included porcine reproductive and respiratory syndrome virus, atypical porcine pestivirus, and porcine circovirus (PCV). Additionally, complete coding genomes of 17 viruses from the Parvoviridae, Anelloviridae, and Circoviridae families were retrieved and included the first near full-length genomes of US Ungulate bocaparvovirus 3 species.
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Affiliation(s)
- Willian P Paim
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University (OSU), Stillwater, OK, 74078, USA; Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Mayara F Maggioli
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University (OSU), Stillwater, OK, 74078, USA
| | - Matheus N Weber
- Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Universidade Feevale, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Grant Rezabek
- Serology diagnostic Section, Oklahoma Animal Disease Diagnostic Laboratory (OADDL), College of Veterinary Medicine, Oklahoma State University (OSU), Stillwater, OK, 74078, USA
| | - Sai Narayanan
- Molecular diagnostic Section, Oklahoma Animal Disease Diagnostic Laboratory (OADDL), College of Veterinary Medicine, Oklahoma State University (OSU), Stillwater, OK, 74078, USA
| | - Akhilesh Ramachandran
- Molecular diagnostic Section, Oklahoma Animal Disease Diagnostic Laboratory (OADDL), College of Veterinary Medicine, Oklahoma State University (OSU), Stillwater, OK, 74078, USA
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Fernando V Bauermann
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University (OSU), Stillwater, OK, 74078, USA.
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10
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Weber MN, Wolf JM, da Silva MS, Mosena ACS, Budaszewski RF, Lunge VR, Canal CW. Insights into the origin and diversification of bovine viral diarrhea virus 1 subtypes. Arch Virol 2021; 166:607-611. [PMID: 33392819 PMCID: PMC7779086 DOI: 10.1007/s00705-020-04913-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 10/30/2020] [Indexed: 12/27/2022]
Abstract
In this study, we performed phylogenetic and evolutionary analysis on bovine viral diarrhea virus 1 (BVDV-1) sequences to investigate the origin and temporal diversification of different BVDV-1 subtypes. Dated phylogenies using the complete polyprotein sequence were reconstructed, and the time of the most recent common ancestor (tMRCA) was estimated. The results demonstrated that BVDV-1 subtypes clustered into two phylogenetic clades, where the predominant subtypes worldwide grouped together. In the temporal analysis, the tMRCA of BVDV-1 was 1336, and the diversification into different subtypes appears to have occurred around 363 years ago. The present results help to elucidate the origins of BVDV-1 subtypes and the dynamics of ruminant pestiviruses.
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Affiliation(s)
- Matheus N Weber
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, Rio Grande do Sul, Brazil.
| | - Jonas M Wolf
- Laboratório de Diagnóstico Molecular, Universidade Luterana do Brasil (ULBRA), Canoas, Rio Grande do Sul, Brazil.,Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Mariana S da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Ana Cristina S Mosena
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Renata F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Vagner R Lunge
- Laboratório de Diagnóstico Molecular, Universidade Luterana do Brasil (ULBRA), Canoas, Rio Grande do Sul, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
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11
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De Carli S, Wolf JM, Gräf T, Lehmann FKM, Fonseca ASK, Canal CW, Lunge VR, Ikuta N. Genotypic characterization and molecular evolution of avian reovirus in poultry flocks from Brazil. Avian Pathol 2020; 49:611-620. [PMID: 32746617 DOI: 10.1080/03079457.2020.1804528] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Avian reovirus (ARV) is one of the main causes of infectious arthritis/tenosynovitis and malabsorption syndrome (MAS) in poultry. ARVs have been disseminated in Brazilian poultry flocks in the last years. This study aimed to genotype ARVs and to evaluate the molecular evolution of the more frequent ARV lineages detected in Brazilian poultry-producing farms. A total of 100 poultry flocks with clinical signs of tenosynovitis/MAS, from all Brazilian poultry-producing regions were positive for ARV by PCR. Seventeen bird tissues were submitted to cell culture and ARV RNA detection/genotyping by two PCRs. The phylogenetic classification was based on σC gene alignment using a dataset with other Brazilian and worldwide ARVs sequences. ARVs were specifically detected by both PCRs from the 17 cell cultures, and σC gene partial fragments were sequenced. All these sequences were aligned with a total of 451 ARV σC gene data available in GenBank. Phylogenetic analysis demonstrated five well-defined clusters that were classified into lineages I, II, III, IV, and V. Three lineages could be further divided into sub-lineages: I (I vaccine, Ia, Ib), II (IIa, IIb, IIc) and IV (IVa and IVb). Brazilian ARVs were from four lineages/sub-lineages: Ib (48.2%), IIb (22.2%), III (3.7%) and V (25.9%). The Bayesian analysis demonstrated that the most frequent sub-lineage Ib emerged in the world around 1968 and it was introduced into Brazil in 2010, with increasing spread soon after. In conclusion, four different ARV lineages are circulating in Brazilian poultry flocks, all associated with clinical diseases. RESEARCH HIGHLIGHTS One-hundred ARV-positive flocks were detected in all main poultry-producing regions from Brazil. A large dataset of 468 S1 sequences was constructed and divided ARVs into five lineages. Four lineages/sub-lineages (Ib, IIb, III and V) were detected in commercial poultry flocks from Brazil. Brazilian lineages shared a low identity with the commercial vaccine lineage (I vaccine). Sub-lineage Ib emerged around 1968 and was introduced into Brazil in 2010.
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Affiliation(s)
- Silvia De Carli
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Brazil.,Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Jonas Michel Wolf
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Brazil
| | - Tiago Gräf
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
| | - Fernanda K M Lehmann
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Brazil
| | | | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Vagner R Lunge
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Brazil.,Simbios Biotecnologia, Cachoeirinha, Brazil
| | - Nilo Ikuta
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Brazil.,Simbios Biotecnologia, Cachoeirinha, Brazil
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12
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Alves CDBT, Weber MN, Guimarães LLB, Cibulski SP, da Silva FRC, Daudt C, Budaszewski RF, Silva MS, Mayer FQ, Bianchi RM, Schwertz CI, Stefanello CR, Gerardi DG, Laisse CJM, Driemeier D, Teifke JP, Canal CW. Canine papillomavirus type 16 associated to squamous cell carcinoma in a dog: virological and pathological findings. Braz J Microbiol 2020; 51:2087-2094. [PMID: 32494977 DOI: 10.1007/s42770-020-00310-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 05/28/2020] [Indexed: 11/27/2022] Open
Abstract
Papillomaviruses (PVs) are circular double-stranded DNA virus belonging to Papillomaviridae family. During the infection cycle, PVs translate proteins that can influence cell growth and differentiation, leading to epidermal hyperplasia and papillomas (warts) or malignant neoplasms. Canis familiaris papillomaviruses (CPVs) have been associated with different lesions, such as oral and cutaneous papillomatosis, pigmented plaques, and squamous cell carcinomas (SCCs). Here, we report a clinical case of a mixed bred female dog with pigmented plaques induced by CPV16 (Chipapillomavirus 2) that progressed to in situ and invasive SCCs. Gross and histological findings were characterized, and the lesions were mainly observed in ventral abdominal region and medial face of the limbs. In situ hybridization (ISH) revealed strong nuclear hybridization signals in the neoplastic epithelial cells, as well as in the keratinocytes and koilocytes of the pigmented viral plaques. The full genome of the CPV16 recovered directly from the lesions was characterized, and the phylogenetic relationships were determined. The identification of oncoprotein genes (E5, E6, and E7) by high throughput sequencing (HTS) and their expected domains are suggestive of the malignant transformation by CPV16.
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Affiliation(s)
- Christian D B T Alves
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Lorena L B Guimarães
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil.,Setor de Patologia Veterinária - Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Samuel P Cibulski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil.,Laboratório de Biologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba, R. Tab. Stanislau Eloy, 41-769, João Pessoa, Paraíba, Brazil
| | - Flávio R C da Silva
- Laboratório de Virologia Geral e Parasitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rodovia BR 364, Km 04, Rio Branco, AC, Brazil
| | - Cíntia Daudt
- Laboratório de Virologia Geral e Parasitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rodovia BR 364, Km 04, Rio Branco, AC, Brazil
| | - Renata F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Mariana S Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Fabiana Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Estrada Do Conde, 6000, Eldorado do Sul, RS, Brazil
| | - Ronaldo M Bianchi
- Setor de Patologia Veterinária - Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Claiton Ismael Schwertz
- Setor de Patologia Veterinária - Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Carine R Stefanello
- Hospital de Clínicas Veterinárias, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Daniel G Gerardi
- Hospital de Clínicas Veterinárias, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Cláudio J M Laisse
- Setor de Patologia Veterinária - Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária - Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil
| | - Jens P Teifke
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald, InselRiems, Germany
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, av. Bento Gonçalves, 9090, Porto Alegre, RS, Brazil.
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13
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Silveira S, Falkenberg SM, Kaplan BS, Crossley B, Ridpath JF, Bauermann FB, Fossler CP, Dargatz DA, Dassanayake RP, Vincent AL, Canal CW, Neill JD. Serosurvey for Influenza D Virus Exposure in Cattle, United States, 2014-2015. Emerg Infect Dis 2020; 25:2074-2080. [PMID: 31625836 PMCID: PMC6810200 DOI: 10.3201/eid2511.190253] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Influenza D virus has been detected predominantly in cattle from several countries. In the United States, regional and state seropositive rates for influenza D have previously been reported, but little information exists to evaluate national seroprevalence. We performed a serosurveillance study with 1,992 bovine serum samples collected across the country in 2014 and 2015. We found a high overall seropositive rate of 77.5% nationally; regional rates varied from 47.7% to 84.6%. Samples from the Upper Midwest and Mountain West regions showed the highest seropositive rates. In addition, seropositive samples were found in 41 of the 42 states from which cattle originated, demonstrating that influenza D virus circulated widely in cattle during this period. The distribution of influenza D virus in cattle from the United States highlights the need for greater understanding about pathogenesis, epidemiology, and the implications for animal health.
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14
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Da Silva MS, Budaszewski RF, Weber MN, Cibulski SP, Paim WP, Mósena ACS, Canova R, Varela APM, Mayer FQ, Pereira CW, Canal CW. Liver virome of healthy pigs reveals diverse small ssDNA viral genomes. Infect Genet Evol 2020; 81:104203. [PMID: 32035977 DOI: 10.1016/j.meegid.2020.104203] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/08/2020] [Accepted: 01/20/2020] [Indexed: 02/07/2023]
Abstract
Brazil is a major exporter of pork meat worldwide. Swine liver is a common ingredient in food consumed by humans, thus emphasizing the importance of evaluating the presence of associated pathogens in swine liver. To obtain knowledge, this study aimed to provide insights into the viral communities of livers collected from slaughtered pigs from southern Brazil. The 46 livers were processed and submitted for high-throughput sequencing (HTS). The sequences were most closely related to Anelloviridae, Circoviridae and Parvoviridae families. The present work also describes the first Brazilian PCV1 and the first PPV6 and PPV7 from South America. Virus frequencies revelead 63% of samples positive for TTSuV1, 71% for TTSuVk2, 10.8% for PCV, 13% for PPV and 6% for PBov. This report addresses the diversity of the liver virome of healthy pigs and expands the number of viruses detected, further characterizing their genomes to assist future studies.
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Affiliation(s)
- M S Da Silva
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil
| | - R F Budaszewski
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil
| | - M N Weber
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil
| | - S P Cibulski
- Departamento de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil
| | - W P Paim
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil
| | - A C S Mósena
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil
| | - R Canova
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil
| | - A P M Varela
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - F Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - C W Pereira
- Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Estado do Rio Grande do Sul, Brazil
| | - C W Canal
- Laboratório de Virologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Brazil.
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15
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Mósena ACS, Weber MN, Cibulski SP, Silva MS, Paim WP, Silva GS, Medeiros AA, Viana NA, Baumbach LF, Puhl DE, Silveira S, Corbellini LG, Canal CW. Survey for pestiviruses in backyard pigs in southern Brazil. J Vet Diagn Invest 2020; 32:136-141. [PMID: 31924139 DOI: 10.1177/1040638719896303] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The Pestivirus genus comprises species that affect animal health and productivity worldwide. Members of the Suidae family are hosts for classical swine fever virus (CSFV), an important pathogen tracked by the World Organization for Animal Health (OIE). However, swine are also susceptible to other pestivirus species that can result in disease or compromise CSFV detection. We searched for pestivirus infection in swine sera collected from 320 backyard pig herds in southern Brazil. We used reverse-transcription PCR primers for Bungowannah virus; atypical porcine pestivirus (APPV); and a panpestivirus pair that detects bovine viral diarrhea virus (BVDV)-1, -2, and HoBi-like pestivirus (HoBiPeV), border disease virus (BDV), and CSFV. Two samples were positive using the panpestivirus primer pair and were classified as BVDV-1d and -2a, respectively. Serum samples were tested for virus neutralization against BVDV-1a, -1b, and -2 strains, resulting in 28 (4.4%) positive samples. Of those, 16 samples had the highest titers against BVDV-1a (2), BVDV-1b (5), and BVDV-2 (9). Our results indicate that Bungowannah virus, APPV, CSFV, BDV, and HoBiPeV have not been circulating in these specific backyard swine populations. However, ruminant pestiviruses were detected and must be considered in future pestivirus control programs conducted in Brazil.
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Affiliation(s)
- Ana C S Mósena
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Matheus N Weber
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Samuel P Cibulski
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Mariana S Silva
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Willian P Paim
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Gustavo S Silva
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Antônio A Medeiros
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Nathália A Viana
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Letícia F Baumbach
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Daniela E Puhl
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Simone Silveira
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Luis G Corbellini
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
| | - Cláudio W Canal
- Laboratório de Virologia (Mosena, Weber, MS Silva, Pinto, Viana, Baumbach, Puhl, Silveira, Canal), Laboratório de Epidemiologia Veterinária (GS Silva, Medeiros, Corbellini), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.,Secretaria da Agricultura, Pecuária e Irrigação (SEAPI), Porto Alegre, Rio Grande do Sul, Brazil (Medeiros).,Laboratório de Biotecnologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil (Cibulski)
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16
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Da Silva MS, Weber MN, Baumbach LF, Cibulski SP, Budaszewski RF, Mósena ACS, Canova R, Varela APM, Mayer FQ, Canal CW. Highly divergent cattle hepacivirus N in Southern Brazil. Arch Virol 2019; 164:3133-3136. [PMID: 31563979 DOI: 10.1007/s00705-019-04419-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 08/30/2019] [Indexed: 12/27/2022]
Abstract
The genus Hepacivirus includes 14 species (Hepacivirus A-N). In this study, we determined a partial genome sequence of a highly divergent bovine hepacivirus (hepacivirus N, HNV) isolate from cattle in Southern Brazil. Previously described HNV isolates have shared 80-99.7% nucleotide sequence identity in the NS3 coding region. However, the sequence determined in this study had 72.6% to 73.8% nucleotide sequence identity to known HNV NS3 sequences. This high divergence could be seen in a phylogenetic tree, suggesting that it represents a new genotype of HNV. These data expand our knowledge concerning the genetic variability and evolution of hepaciviruses.
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Affiliation(s)
- M S Da Silva
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - M N Weber
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - L F Baumbach
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - S P Cibulski
- Departamento de Biotecnologia, Universidade Federal da Paraíba (UFPB), João Pessoa, Paraíba, Brazil
| | - R F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - A C S Mósena
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - R Canova
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - A P M Varela
- Laboratório de Biologia Molecular-Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - F Q Mayer
- Laboratório de Biologia Molecular-Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
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17
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Paim WP, Weber MN, Cibulski SP, da Silva MS, Puhl DE, Budaszewski RF, Varela APM, Mayer FQ, Canal CW. Characterization of the viral genomes present in commercial batches of horse serum obtained by high-throughput sequencing. Biologicals 2019; 61:1-7. [PMID: 31447377 DOI: 10.1016/j.biologicals.2019.08.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/19/2019] [Accepted: 08/20/2019] [Indexed: 12/15/2022] Open
Abstract
Horses are often used as blood donors for commercial horse serum (HS) production and to manufacture biologicals. HS is an alternative for fetal bovine serum (FBS) used as a supplement for cell culture and vaccine production. Furthermore, HS is also frequently obtained in order to produce antisera toxins and pathogens. The advent of high-throughput sequencing (HTS) has promoted changes in virus detection, since previous knowledge of targets is not required. Thus, the present study aimed to describe the virome of five different batches of commercial HS from New Zealand (three batches) and Brazil and the United States (one batch each) using HTS. Each HS pool were processed and sequenced using an Illumina MiSeq platform. Sequences-related to viruses belonging to the Flaviviridae, Herpesviridae, and Parvoviridae families were detected. Particularly, equine hepacivirus (EqHV), equine pegivirus (EPgV), and Theiler's disease-associated virus (TDAV) were more frequent found in the batches analyzed. The presence of viral genomes in cell culture sera illustrates that these commercial sera can contain a mixture of different viruses and, therefore, can be regarded as potentially infectious for susceptible hosts. Moreover, the innocuity of commercial HS is important for the efficiency and security of diagnostics and the production of biological products.
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Affiliation(s)
- W P Paim
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, Rio Grande do Sul (RS), Brazil
| | - M N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, Rio Grande do Sul (RS), Brazil
| | - S P Cibulski
- Laboratório de Biotecnologia Cellular e Molecular, Centro de Biotecnologia-CBiotec, Universidade Federal da Paraíba (UFPB), Cidade Universitária, João Pessoa, PB, Brazil
| | - M S da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, Rio Grande do Sul (RS), Brazil
| | - D E Puhl
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, Rio Grande do Sul (RS), Brazil
| | - R F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, Rio Grande do Sul (RS), Brazil
| | - A P M Varela
- Equipe de Virologia, Instituto de Ciências Básicas da Saúde, UFRGS, Porto Alegre, RS, Brazil
| | - F Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária (FEPAGRO), Eldorado Do Sul, RS, Brazil
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, Rio Grande do Sul (RS), Brazil.
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18
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Mósena ACS, Cruz DL, Canal CW, Marques SM, Valle SF, Soares JF, Mattos MJT, Costa FV. Detection of enteric agents into a cats’ shelter with cases of chronic diarrhea in Southern Brazil. Pesq Vet Bras 2019. [DOI: 10.1590/1678-5150-pvb-5987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ABSTRACT: This study carried out a survey about enteropathogenic agents in domestic cats’ shelter as a stage of investigation for the intermittent chronic diarrhea. Individual fecal samples from 39 cats with free access to the external environment were submitted to parasitological examination, parvovirus, and coronavirus by PCR, and Cryptosporidium spp., Giardia spp. and Tritrichomonas foetus by real-time PCR. From the cats evaluated, 30 (76.9%) were positive for one or more enteric agents, and coinfections were observed in 11 cats samples (28.2%). Helminth eggs were observed in 48.7% of cats (19/30), 16 (41%) were positive for parvovirus or coronavirus and 25.6% (10/30) were infected by protozoa. From the positives for protozoa, five cats were positive to T. foetus (12.82%). The first finding of this protozoan through PCR was in the southern Brazil, and the second was in the whole country. Chronic diarrhea in cats may be multifactorial in shelter animals where the population density is high and the control of parasitic, and viral infections are deficient. Moreover, it is due to poor hygiene conditions in these shelters. The factors associated with the proliferation of infectious diseases in shelters are correlated with new pathogens infections such as T. foetus.
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19
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Silveira S, Falkenberg SM, Dassanayake RP, Walz PH, Ridpath JF, Canal CW, Neill JD. In vitro method to evaluate virus competition between BVDV-1 and BVDV-2 strains using the PrimeFlow RNA assay. Virology 2019; 536:101-109. [PMID: 31415943 DOI: 10.1016/j.virol.2019.07.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/26/2019] [Accepted: 07/31/2019] [Indexed: 12/29/2022]
Abstract
Bovine viral diarrhea viruses (BVDV), segregated in BVDV-1 and BVDV-2 species, lead to substantial economic losses to the cattle industry worldwide. It has been hypothesized that there could be differences in level of replication, pathogenesis and tissue tropism between BVDV-1 and BVDV-2 strains. Thus, this study developed an in vitro method to evaluate virus competition between BVDV-1 and BVDV-2 strains. To this end the competitive dynamics of BVDV-1a, BVDV-1b, and BVDV-2a strains in cell cultures was evaluated by a PrimeFlow RNA assay. Similar results were observed in this study, as was observed in an earlier in vivo transmission study. Competitive exclusion was observed as the BVDV-2a strains dominated and excluded the BVDV-1a and BVDV-1b strains. The in vitro model developed can be used to identify viral variations that result in differences in frequency of subgenotypes detected in the field, vaccine failure, pathogenesis, and strain dependent variation in immune responses.
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Affiliation(s)
- S Silveira
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - S M Falkenberg
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA.
| | - R P Dassanayake
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA
| | - P H Walz
- Department of Pathobiology, College of Veterinary Medicine, 129 Sugg Laboratory, Auburn University, AL, 36849, USA
| | - J F Ridpath
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - J D Neill
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA
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20
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da Silva MS, Silveira S, Caron VS, Mósena ACS, Weber MN, Cibulski SP, Medeiros AAR, Silva GS, Corbellini LG, Klein R, Kreutz LC, Frandoloso R, Canal CW. Backyard pigs are a reservoir of zoonotic hepatitis E virus in southern Brazil. Trans R Soc Trop Med Hyg 2019; 112:14-21. [PMID: 29554365 DOI: 10.1093/trstmh/try017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 02/08/2018] [Indexed: 12/27/2022] Open
Abstract
Background Hepatitis E virus (HEV) is the causative agent of acute hepatitis worldwide. There is no seroprevalence study in backyard farms, which are characterized by suboptimal hygienic conditions in Brazil. We aimed to determine the seroprevalence and genetic diversity of HEV in backyard pigs in Brazil. Methods Swine serum samples collected in 2012 (n=731) and 2014 (n=713) were analysed. The presence of anti-HEV immunoglobulin G in pig serum was evaluated by indirect enzyme-linked immunosorbent assay. Reverse transcription polymerase chain reaction was performed and phylogenetic analyses were carried out based on the partial ORF1 and ORF2 coding regions. Results Anti-HEV antibodies were detected in 77.6% (567/731; 95% confidence interval [CI] 74.5 to 90.6%) of serum samples in 2012 and 65.5% (467/713; 95% CI 62.0 to 69.0%) in 2014. The herd seroprevalence was 91.7% (187/204; 95% CI 91% to 99%) in 2012 and 83.7% (164/196; 95% CI 78% to 89%) in 2014. Further, HEV RNA was detected in 0.8% (6/713) of samples from 2014. Phylogenetic analysis showed three different genotype 3 subtypes with high similarity to human HEV strains. Conclusions This study showed that backyard pigs are a reservoir of HEV and alerts us to the need to control infection and spillover from backyard farms. GenBank accession numbers MF438128-MF438135.
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Affiliation(s)
- M S da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - S Silveira
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - V S Caron
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - A C S Mósena
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - M N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - S P Cibulski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - A A R Medeiros
- Laboratório de Epidemiologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - G S Silva
- Laboratório de Epidemiologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - L G Corbellini
- Laboratório de Epidemiologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - R Klein
- Laboratório de Microbiologia e Imunologia Avançada, Faculdade de Agronomia e Medicina Veterinária, Universidade de Passo Fundo (UPF), Passo Fundo, Rio Grande do Sul, Brazil
| | - L C Kreutz
- Laboratório de Microbiologia e Imunologia Avançada, Faculdade de Agronomia e Medicina Veterinária, Universidade de Passo Fundo (UPF), Passo Fundo, Rio Grande do Sul, Brazil
| | - R Frandoloso
- Laboratório de Microbiologia e Imunologia Avançada, Faculdade de Agronomia e Medicina Veterinária, Universidade de Passo Fundo (UPF), Passo Fundo, Rio Grande do Sul, Brazil
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
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21
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Souza SO, Fredo G, Dupont PM, Leite-Filho RV, Teifke JP, Pavarini SP, Canal CW, Driemeier D. Pathological and molecular findings of avian avulavirus type 1 outbreak in pigeons (Columba livia) of southern Brazil. Pesq Vet Bras 2018. [DOI: 10.1590/1678-5150-pvb-5528] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ABSTRACT: The Newcastle disease, caused by avian avulavirus type 1 strains (APMV-1) is an important avian disease involved into high rates of mortality and economic losses. Several outbreaks have been reported over the last 30 years in Columbiformes in different parts of the world, caused by a adapted variant strain of AAvV-1, called pigeon paramyxovirus type 1 (PPMV-1). A high mortality associated with an outbreak was analyzed in free-living pigeons (Columba livia) in a public square in Porto Alegre in Southern Brazil. A total of 24 pigeons moribund or freshly dead, within five weeks interval were submitted to necropsy, histopathological, immunohistochemical (anti-Newcastle), and RT-PCR followed by sequencing of the amplification products analysis. They presented neurological signs, non-suppurative encephalitis and encephalomyelitis, and mononuclear inflammatory infiltrate in different organs. Immunohistochemical analysis in nine pigeons tissue showed that anti-Newcastle was expressed in brain, kidney, liver and pancreas. The RT-PCR test for the M protein of Newcastle disease virus was positive in six pigeons. The differential diagnosis of Influenza, West Nile, Mycoplasma gallisepticum and Mycoplasma synoviae in all pigeons presented negative results. The sequence of amino acids in the cleavage site region of the F protein was 112RRQKRF117 classifying the strain as virulent. The phylogenetic analysis classified this virus strain into Class II and VI genotype.
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Affiliation(s)
| | | | | | | | - Jens P. Teifke
- Bundesforschungsinstitut für Tiergesundheit Südufer, Germany
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22
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Souza CK, Oldiges DP, Poeta APS, Vaz IDS, Schaefer R, Gava D, Ciacci-Zanella JR, Canal CW, Corbellini LG. Serological surveillance and factors associated with influenza A virus in backyard pigs in Southern Brazil. Zoonoses Public Health 2018; 66:125-132. [PMID: 30485723 DOI: 10.1111/zph.12542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 10/26/2018] [Accepted: 11/03/2018] [Indexed: 11/27/2022]
Abstract
Backyard pig populations are not monitored for influenza A virus (IAV) in Brazil and there are limited data about seroprevalence and risk factors in these populations. Our goal was to assess possible factors associated with IAV seroprevalence in backyard pig populations using an indirect ELISA protocol based on a recombinant nucleoprotein. Following the IAV screening using NP-ELISA, subtype-specific serology based on hemagglutination inhibition (HI) assay of the ELISA-positive pigs was conducted. The survey comprised a total of 1,667 sera samples collected in 2012 and 2014 in 479 holdings and the estimated seroprevalence was 5.3% (3.84%-7.33%) and 2.3% (1.34%-3.71%) in the respective years. In both years, H1N1pdm09 was the most prevalent subtype. The multivariable analysis showed main factors such as "age," "sex," "number of suckling pigs" and "neighbours raising pigs" that presented the greatest effect on IAV seroprevalence in these pig populations. These factors may be associated with the low biosecurity measures and management of backyard holdings. In addition, the low IAV seroprevalences found in these backyard pig populations could be related to a low number of animals in each pig holding and low animal movement/replacement that do not favour IAV transmission dynamics. This low frequency of H1N1pdm09 seropositive pigs could also be due to sporadic human-to-pig transmission of what is now a human seasonal influenza A virus; however, these factors should be explored in future studies. Herein, these results highlight the importance of IAV continued surveillance in backyard pig holdings, since it is poorly known which IAVs are circulating in these populations and the risk they could pose to public health and virus transmission to commercial farms.
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Affiliation(s)
- Carine K Souza
- Laboratório de Virologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Daiane P Oldiges
- Laboratório de Imunologia Aplicada à Sanidade Animal, Centro de Biotecnologia, UFRGS, Porto Alegre, Brazil
| | - Ana Paula S Poeta
- Laboratório de Medicina Veterinária Preventiva, Faculdade de Veterinária, UFRGS, Porto Alegre, Brazil
| | - Itabajara da S Vaz
- Laboratório de Imunologia Aplicada à Sanidade Animal, Centro de Biotecnologia, UFRGS, Porto Alegre, Brazil
| | | | | | | | - Cláudio W Canal
- Laboratório de Virologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Luís G Corbellini
- Laboratório de Medicina Veterinária Preventiva, Faculdade de Veterinária, UFRGS, Porto Alegre, Brazil
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23
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Daudt C, da Silva FRC, Cibulski SP, Streck AF, Laurie RE, Munday JS, Canal CW. Bovine papillomavirus 24: a novel member of the genus Xipapillomavirus detected in the Amazon region. Arch Virol 2018; 164:637-641. [PMID: 30417199 DOI: 10.1007/s00705-018-4092-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 10/18/2018] [Indexed: 01/13/2023]
Abstract
Bovine papillomaviruses (BPVs) have been described as etiologic agents of cutaneous and mucosal papillomas in cattle. In the present study, we describe a new BPV that was detected in a cutaneous papilloma from a cow. Phylogenetic analysis suggests that this virus belong to the genus Xipapillomavirus, and we refer to it here as BPV type 24 (BPV24). Coinfection with members of the genera Epsilonpapillomavirus and Deltapapillomavirus in a cutaneous papilloma from a different animal was also detected, and the full genomes of these viruses were sequenced. Both papillomas were from cattle within Acre State in the Amazon region of Brazil. The data presented here demonstrate the utility of using high-throughput methods to indentify coinfections and allow the characterization of new genomes.
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Affiliation(s)
- Cíntia Daudt
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratório de Virologia Geral e Parasitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Campus Universitário, Rio Branco, Acre, Brazil
| | - Flavio R C da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratório de Virologia Geral e Parasitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Campus Universitário, Rio Branco, Acre, Brazil
| | - Samuel P Cibulski
- Laboratório de Biologia Celular e Molecular, Centro de Biotecnologia-CBiotec, Universidade Federal da Paraíba, Cidade Universitária, João Pessoa, Paraíba, CEP 58051-900, Brazil
| | - André F Streck
- Centro de Ciências Biológicas e da Saúde-CCBS, Universidade de Caxias do Sul-UCS, Caxias do Sul, Rio Grande do Sul, 95070-560, Brazil
| | - Rebecca E Laurie
- Otago Genomics and Bioinformatics Facility, Otago University, Dunedin, New Zealand
| | - John S Munday
- Pathobiology, School of Veterinary Sciences, Massey University, Palmerston North, New Zealand
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, Rio Grande do Sul, Brazil.
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Cruz RAS, Rodrigues WB, Silveira S, Oliveira VHS, Campos CG, Leite Filho RV, Boabaid FM, Driemeier D, Canal CW, Alfieri AA, Pescador CA, Colodel EM. Mucosal disease-like lesions caused by HoBi-like pestivirus in Brazilian calves in 2010-2011: Clinical, pathological, immunohistochemical, and virological characterization. Res Vet Sci 2018; 119:116-121. [PMID: 29913325 DOI: 10.1016/j.rvsc.2018.06.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 05/15/2018] [Accepted: 06/10/2018] [Indexed: 11/17/2022]
Abstract
A HoBi-like pestivirus was first described in 2004 in a Brazilian fetal bovine serum that was exported to Germany. Nevertheless, it is believed that the virus had been present since the 1990's, when it was detected in buffalos of Brazilian origin. Reproductive and respiratory diseases have been reported since 2001 in cattle, and more recently, diseases accompanied by a clinical presentation of mucosal disease-like (MD-like lesions have been reported as well. In the present study, the authors reported the oldest case of MD--like in cattle, associated with a HoBi-like pestivirus infection. Diarrhea, anorexia, nasal discharge, hypersalivation, and weakness were observed in 20 calves. For two of the animals, clinical follow-ups were performed. Following their death, necropsy was performed on these two calves. The main gross alterations observed were ulcers and erosions in the upper and lower digestive tract and interdigital dermatitis. Clinical history, gross findings, histopathological examination, immunohistochemistry, RT-PCR, and virus isolation were determined as suitable tools for the diagnosis of a MD-like outbreak, caused by a HoBi-like pestivirus.
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Affiliation(s)
- Raquel A S Cruz
- Faculdade de Medicina Veterinária, Universidade Federal de Mato Grosso, Av. Fernando Correa da Costa, 2367, Boa Esperança, 78068000 Cuiabá, MT, Brazil; Laboratório de Patologia Veterinária, Hospital Veterinário, Universidade de Cuiabá, Av. Beira Rio, 3079-311, 78065-443 Cuiabá, MT, Brazil
| | - Wagner B Rodrigues
- Laboratório de Virologia Animal, Departamento de Medicina Veterinária Preventiva, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid - Campus Universitario, PO Box 10011, Londrina, Parana 86057-970, Brazil
| | - Simone Silveira
- Laboratório de Virologia, Faculdade de Medicina Veterinária, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves 9090, 91540-000 Porto Alegre, Brazil
| | - Victor H S Oliveira
- Laboratório de Virologia Animal, Departamento de Medicina Veterinária Preventiva, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid - Campus Universitario, PO Box 10011, Londrina, Parana 86057-970, Brazil
| | - Camila Gonçalves Campos
- Faculdade de Medicina Veterinária, Universidade Federal de Mato Grosso, Av. Fernando Correa da Costa, 2367, Boa Esperança, 78068000 Cuiabá, MT, Brazil
| | - Ronaldo V Leite Filho
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, 91540-000 Porto Alegre, RS, Brazil
| | - Fabiana M Boabaid
- Centro Universitário de Tucuarembó, Universidad de la República, Ruta 5 km 386, 45000 Tucuarembó, Tbo, Uruguay
| | - David Driemeier
- Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, 91540-000 Porto Alegre, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Medicina Veterinária, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves 9090, 91540-000 Porto Alegre, Brazil
| | - Amauri A Alfieri
- Laboratório de Virologia Animal, Departamento de Medicina Veterinária Preventiva, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid - Campus Universitario, PO Box 10011, Londrina, Parana 86057-970, Brazil
| | - Caroline A Pescador
- Faculdade de Medicina Veterinária, Universidade Federal de Mato Grosso, Av. Fernando Correa da Costa, 2367, Boa Esperança, 78068000 Cuiabá, MT, Brazil
| | - Edson M Colodel
- Faculdade de Medicina Veterinária, Universidade Federal de Mato Grosso, Av. Fernando Correa da Costa, 2367, Boa Esperança, 78068000 Cuiabá, MT, Brazil.
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25
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Laisse CJ, Souza CK, Pereira PR, De Lorenzo C, Bianchi MV, Mapaco LP, Pavarini SP, Canal CW, Driemeier D. Detection and phylogenetic characterization of porcine circovirus 2 from pigs in Mozambique. J Vet Diagn Invest 2018; 30:342-347. [PMID: 29701572 PMCID: PMC6505822 DOI: 10.1177/1040638718769266] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Porcine circovirus-associated diseases (PCVADs), caused by porcine circovirus 2 (PCV-2), have a significant economic impact on the swine industry worldwide. In Africa, there is little information, to date, regarding the occurrence of PCV-2, and it has not been reported in Mozambique's swine population. We randomly collected mesenteric lymph nodes ( n = 111) from slaughtered pigs from 9 districts in southern Mozambique. PCV-2 DNA was detected in 54% (62 of 111) of the samples and 78% (23 of 31) of the farms. PCV-2 antigen was detected by immunohistochemistry in lymph nodes (6 of 62; 10%) that were positive for PCV-2 by PCR. Histopathologic changes observed in these lymph nodes were lymphoid depletion, multifocal nodal necrosis, and infiltrates of histiocytes and multinucleate giant cells. One positive sample from each district was selected in order to obtain sequences covering the ORF2 region. Five sequences clustered with PCV-2d, of which 3 sequences from Maputo, Namaacha, and Moamba were grouped with PCV-2d-2; 2 sequences from Manhiça and Matola were grouped as PCV-2d-1; and 4 sequences from Boane, Matutuíne, Chibuto, and Xai-Xai were closely related to PCV-2b-1A/B genotypes. Our study indicates that a diversity of PCV-2 viruses is circulating in the Mozambican swine population.
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Affiliation(s)
- Cláudio J. Laisse
- Cláudio J. Laisse,
Division of Pathology, Veterinary Faculty, Eduardo Mondlane
University, Bairro do Jardim, Km 15, PO Box 257, Maputo, Mozambique.
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26
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Silveira S, Falkenberg SM, Elderbrook MJ, Sondgeroth KS, Dassanayake RP, Neill JD, Ridpath JF, Canal CW. Serological survey for antibodies against pestiviruses in Wyoming domestic sheep. Vet Microbiol 2018; 219:96-99. [PMID: 29778211 DOI: 10.1016/j.vetmic.2018.04.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 04/07/2018] [Accepted: 04/12/2018] [Indexed: 11/19/2022]
Abstract
Pestiviruses including Bovine viral diarrhea virus type 1 (BVDV-1), BVDV-2 and Border disease virus (BDV) have been reported in both sheep and cattle populations, together with the HoBi-like, an emerging group of pestiviruses. Pestivirus control programs in the United States have focused on the control of BVDV-1 and 2. The incidence of pestivirus infection in sheep in the United States and the risk of transmission between cattle and sheep populations are unknown. The aim of this study was to perform serological surveillance for pestivirus exposure in sheep from an important sheep producing state in the Unites States, Wyoming. For this, sera from 500 sheep, collected across the state of Wyoming (US) in 2015-2016, were examined by comparative virus neutralization assay against four species/proposed species of pestiviruses: BVDV-1, BVDV-2, BDV and HoBi-like virus. Rates of exposure varied between geographic regions within the state. The overall pestivirus prevalence of antibodies was 5.6%. Antibodies were most frequently detected against BVDV-1 (4%), and the highest antibody titers were also against BVDV-1. Data from this study highlights understanding of the dynamics of sheep pestivirus exposure, consideration of reference strains used for VN assays, transmission patterns, and potential vaccination history should be taken into account in implementation of control measures against pestiviruses in sheep and for successful BVDV control programs in cattle.
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Affiliation(s)
- S Silveira
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - S M Falkenberg
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA.
| | - M J Elderbrook
- Department of Veterinary Sciences, University of Wyoming, Laramie, WY, USA
| | - K S Sondgeroth
- Department of Veterinary Sciences, University of Wyoming, Laramie, WY, USA
| | - R P Dassanayake
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA
| | - J D Neill
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA
| | - J F Ridpath
- Ruminant Diseases and Immunology Unit, National Animal Disease Center/ARS/USDA, Ames, IA, USA
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
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27
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Alves CDBT, Budaszewski RF, Torikachvili M, Streck AF, Weber MN, Cibulski SP, Ravazzolo AP, Lunge VR, Canal CW. Detection and genetic characterization of Mamastrovirus 5 from Brazilian dogs. Braz J Microbiol 2018; 49:575-583. [PMID: 29456114 PMCID: PMC6066731 DOI: 10.1016/j.bjm.2017.09.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 08/07/2017] [Accepted: 09/26/2017] [Indexed: 11/30/2022] Open
Abstract
Mamastrovirus 5 (MAstV5), belonging to the Astroviridae (AstV) family, previously known as canine astrovirus or astrovirus-like particles, has been reported in several countries to be associated with viral enteric disease in dogs since the 1980s. Astroviruses have been detected in fecal samples from a wide variety of mammals and birds that are associated with gastroenteritis and extra enteric manifestations. In the present study, RT-PCR was used to investigate the presence of MAstV5 in 269 dog fecal samples. MAstV5 was detected in 26% (71/269) of the samples. Interestingly, all MAstV5-positive samples derived from dogs displaying clinical signs suggestive of gastroenteritis, other enteric viruses were simultaneously detected (canine parvovirus, canine distemper virus, canine coronavirus, canine adenovirus and canine rotavirus). Based on genomic sequence analysis of MAstV5 a novel classification of the species into four genotypes, MAstV5a-MAstV5d, is proposed. Phylogenetic analyses based on the ORF2 amino acid sequences, samples described herein grouped into the putative genotype ‘a’ closed related with Chinese samples. Other studies are required to attempt the clinical and antigenic implications of these astrovirus genotypes in dogs.
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Affiliation(s)
- Christian D B T Alves
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Virologia, Porto Alegre, RS, Brazil
| | - Renata F Budaszewski
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Virologia, Porto Alegre, RS, Brazil
| | - Marcela Torikachvili
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Virologia, Porto Alegre, RS, Brazil
| | - André F Streck
- Universidade de Caxias do Sul (UCS), Faculdade de Medicina Veterinária, Laboratório de Imunologia, Caxias do Sul, RS, Brazil
| | - Matheus N Weber
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Virologia, Porto Alegre, RS, Brazil
| | - Samuel P Cibulski
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Virologia, Porto Alegre, RS, Brazil
| | - Ana P Ravazzolo
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Imunologia e Biologia Molecular, Porto Alegre, RS, Brazil
| | - Vagner R Lunge
- Universidade Luterana do Brasil, Pró Reitoria de Pesquisa e Pós Graduação, Laboratório de Diagnóstico Molecular, Canoas, RS, Brazil
| | - Cláudio W Canal
- Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Veterinária, Laboratório de Virologia, Porto Alegre, RS, Brazil.
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28
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Mósena ACS, Cibulski SP, Weber MN, Silveira S, Silva MS, Mayer FQ, Roehe PM, Canal CW. Genomic and antigenic relationships between two 'HoBi'-like strains and other members of the Pestivirus genus. Arch Virol 2017; 162:3025-3034. [PMID: 28669036 DOI: 10.1007/s00705-017-3465-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 05/25/2017] [Indexed: 11/30/2022]
Abstract
'HoBi'-like viruses comprise a putative new species within the genus Pestivirus of the family Flaviviridae. 'HoBi'-like viruses have been detected worldwide in batches of fetal calf serum, in surveillance programs for bovine pestiviruses and from animals presenting clinical signs resembling bovine viral diarrhea virus (BVDV)-associated diseases. To date, few complete genome sequences of 'HoBi'-like viruses are available in public databases. Moreover, detailed analyses of such genomes are still scarce. In an attempt to expand data on the genetic diversity and biology of pestiviruses, two genomes of 'HoBi'-like viruses recovered from Brazilian cattle were described and characterized in this study. Analysis of the whole genome and antigenic properties of these two new 'HoBi'-like isolates suggest that these viruses are genetically close to recognized pestiviruses. The present data provide evidence that 'HoBi'-like viruses are members of the genus Pestivirus and should be formally recognized as a novel species.
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Affiliation(s)
- Ana Cristina S Mósena
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre, RS, CEP 91540-000, Brazil
| | - Samuel P Cibulski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre, RS, CEP 91540-000, Brazil
| | - Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre, RS, CEP 91540-000, Brazil
| | - Simone Silveira
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre, RS, CEP 91540-000, Brazil
| | - Mariana S Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre, RS, CEP 91540-000, Brazil
| | - Fabiana Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor, Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, RS, Brazil
| | - Paulo M Roehe
- Departamento de Microbiologia, Imunologia e Parasitologia-Laboratório de Virologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Porto Alegre, RS, CEP 91540-000, Brazil.
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29
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Dias RK, Cargnelutti JF, Weber MN, Canal CW, Bauermann FV, Ridpath JF, Weiblen R, Flores EF. Antigenic diversity of Brazilian isolates of HoBi-like pestiviruses. Vet Microbiol 2017; 203:221-228. [PMID: 28619148 DOI: 10.1016/j.vetmic.2017.03.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 03/09/2017] [Accepted: 03/16/2017] [Indexed: 10/19/2022]
Abstract
Hobi-like viruses comprise an unclassified group of bovine pestiviruses related to bovine viral diarrhea virus 1 (BVDV-1) and 2 (BVDV-2). These viruses were originally identified in fetal bovine serum from Brazilian origin and, subsequently, isolated from diseased animals in several countries. Herein we performed an antigenic characterization of eight Brazilian HoBi-like viruses isolated from persistently infected (PI) animals and from gastroenteric disease (2007-2015). Phylogenetic analysis based on the 5' unstranslated region (UTR) clustered these viruses with other HoBi-like viruses from European and Asiatic origin. Monoclonal antibody (MAb) binding indicated variability in the Hobi-like virus glycoprotein E2 and significant differences from the homologous BVDV-1 and BVDV-2 glycoprotein. Analysis of antigenic relatedness based on virus-neutralizing titers using virus-specific antisera revealed that HoBi-like viruses are antigenically very different from BVDV-1 and, to a lesser extent, from BVDV-2. Cross-neutralizing assays between pairs of HoBi-like viruses and their respective antisera indicated the existence of antigenic variability among these viruses, even for viruses isolated from the same herd in different occasions. Moreover, the identification of a HoBi-like isolate with low antigenic similarity with the other isolates indicates the potential existence of antigenic subgroups among HoBi-like virus isolates. Finally, sera of lambs immunized with commercial BVDV vaccines showed low or undetectable neutralizing activity against HoBi-like isolates. These results indicate significant antigenic differences between BVDV genotypes and Brazilian HoBi-like viruses and the existence of antigenic variability within this atypical group of pestiviruses. These findings extend the knowledge about the antigenic diversity of HoBi-like viruses and reinforce the need for their inclusion in current BVDV vaccines.
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Affiliation(s)
- R K Dias
- Setor de Virologia, Universidade Federal de Santa Maria, Prédio 63A, Centro de Eventos, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - J F Cargnelutti
- Setor de Virologia, Universidade Federal de Santa Maria, Prédio 63A, Centro de Eventos, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - M N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - F V Bauermann
- Department of Veterinary and Biomedical Sciences, Animal Disease Research and Diagnostic Laboratory, South Dakota State University, Brookings, SD 57007, United States of America
| | - J F Ridpath
- Ruminant Diseases and Immunology Unit, National Animal Disease Center, Ames, IA 50010, United States of America.
| | - R Weiblen
- Setor de Virologia, Universidade Federal de Santa Maria, Prédio 63A, Centro de Eventos, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - E F Flores
- Setor de Virologia, Universidade Federal de Santa Maria, Prédio 63A, Centro de Eventos, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil.
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Weber MN, Bauermann FV, Gómez-Romero N, Herring AD, Canal CW, Neill JD, Ridpath JF. Variation in pestivirus growth in testicle primary cell culture is more dependent on the individual cell donor than cattle breed. Vet Res Commun 2016; 41:1-7. [PMID: 27864728 DOI: 10.1007/s11259-016-9666-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 11/08/2016] [Indexed: 10/20/2022]
Abstract
The causes of bovine respiratory disease complex (BRDC) are multifactorial and include infection with both viral and bacterial pathogens. Host factors are also involved as different breeds of cattle appear to have different susceptibilities to BRDC. Infection with bovine pestiviruses, including bovine viral diarrhea virus 1 (BVDV1), BVDV2 and 'HoBi'-like viruses, is linked to the development of BRDC. The aim of the present study was to compare the growth of different bovine pestiviruses in primary testicle cell cultures obtained from taurine, indicine and mixed taurine and indicine cattle breeds. Primary cells strains, derived from testicular tissue, were generated from three animals from each breed. Bovine pestivirus strains used were from BVDV-1a, BVDV-1b, BVDV-2a and 'HoBi'-like virus. Growth was compared by determining virus titers after one passage in primary cells. All tests were run in triplicate. Virus titers were determined by endpoint dilution and RT-qPCR. Statistical analysis was performed using one way analysis of variance (ANOVA) followed by the Tukey's Multiple Comparison Test (P˂0.05). Significant differences in virus growth did not correlate with cattle breed. However, significant differences were observed between cells derived from different individuals regardless of breed. Variation in the replication of virus in primary cell strains may reflect a genetic predisposition that favors virus replication.
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Affiliation(s)
- Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Fernando V Bauermann
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Avenue, PO Box 70, Ames, IA, 50010, USA
| | - Ninnet Gómez-Romero
- Laboratorio de Vacunología y Constatación, Facultad de Medicina Veterinaria y Zootecnia (FMVZ), Universidad Nacional Autónoma de México (UNAM), Ciudad de Mexico, Distrito Federal, Mexico
| | - Andy D Herring
- Department of Animal Science, Texas A&M University (TAMU), College Station, TX, USA
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - John D Neill
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Avenue, PO Box 70, Ames, IA, 50010, USA
| | - Julia F Ridpath
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Avenue, PO Box 70, Ames, IA, 50010, USA.
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31
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Daudt C, Silva FRCD, Cibulski SP, Weber MN, Mayer FQ, Varela APM, Roehe PM, Canal CW. Complete genome sequence of Deltapapillomavirus 4 (bovine papillomavirus 2) from a bovine papillomavirus lesion in Amazon Region, Brazil. Mem Inst Oswaldo Cruz 2016; 111:277-9. [PMID: 27074259 PMCID: PMC4830119 DOI: 10.1590/0074-02760160047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 03/07/2016] [Indexed: 11/26/2022] Open
Abstract
The complete genome sequence of bovine papillomavirus 2 (BPV2) from Brazilian Amazon
Region was determined using multiple-primed rolling circle amplification followed by
Illumina sequencing. The genome is 7,947 bp long, with 45.9% GC content. It encodes
seven early (E1, E2,E4,
E5, E6,E7, and
E8) and two late (L1 and L2)
genes. The complete genome of a BPV2 can help in future studies since this BPV type
is highly reported worldwide although the lack of complete genome sequences
available.
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Affiliation(s)
- Cíntia Daudt
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Flavio R C da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Samuel P Cibulski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Fabiana Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor, Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, RS, Brasil
| | - Ana Paula M Varela
- Laboratório de Virologia, Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Paulo M Roehe
- Laboratório de Virologia, Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
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32
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da Silva FRC, Daudt C, Cibulski SP, Weber MN, Varela APM, Mayer FQ, Roehe PM, Canal CW. Genome characterization of a bovine papillomavirus type 5 from cattle in the Amazon region, Brazil. Virus Genes 2016; 53:130-133. [PMID: 27817150 DOI: 10.1007/s11262-016-1406-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 10/20/2016] [Indexed: 01/17/2023]
Abstract
Papillomaviruses are small and complex viruses with circular DNA genome that belongs to the Papillomavirus family, which comprises at least 39 genera. The bovine papillomavirus (BPV) causes an infectious disease that is characterized by chronic and proliferative benign tumors that affect cattle worldwide. In the present work, the full genome sequence of BPV type 5, an Epsilonpapillomavirus, is reported. The genome was recovered from papillomatous lesions excised from cattle raised in the Amazon region, Northern Brazil. The genome comprises 7836 base pairs and exhibits the archetypal organization of the Papillomaviridae. This is of significance for the study of BPV biology, since currently available full BPV genome sequences are scarce. The availability of genomic information of BPVs can provide better understanding of the differences in genetics and biology of papillomaviruses.
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Affiliation(s)
- Flavio R C da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Prédio 42.602, Porto Alegre, CEP 91540-000, Brazil.,Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Campus Universitário, BR 364, Km 04 - Distrito Industrial, Rio Branco, 69920-900, Brazil
| | - Cíntia Daudt
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Prédio 42.602, Porto Alegre, CEP 91540-000, Brazil
| | - Samuel P Cibulski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Prédio 42.602, Porto Alegre, CEP 91540-000, Brazil
| | - Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Prédio 42.602, Porto Alegre, CEP 91540-000, Brazil
| | - Ana Paula M Varela
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, RS, Brazil
| | - Fabiana Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, RS, Brazil
| | - Paulo M Roehe
- Laboratório de Virologia, Departamento de Microbiologia Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Prédio 42.602, Porto Alegre, CEP 91540-000, Brazil.
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Daudt C, da Silva FRC, Streck AF, Weber MN, Mayer FQ, Cibulski SP, Canal CW. How many papillomavirus species can go undetected in papilloma lesions? Sci Rep 2016; 6:36480. [PMID: 27808255 PMCID: PMC5093584 DOI: 10.1038/srep36480] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 10/12/2016] [Indexed: 02/06/2023] Open
Abstract
A co-infection comprising to at least seven papillomavirus (PV) types was detected by next generation sequencing (NGS) of randomly primed rolling circle amplification (RCA) products of a bovine (Bos taurus) papilloma lesion from the Brazilian Amazon region. Six putative new PV types that could not be detected by commonly used PCR protocols were identified. Their overall L1 nucleotide identities were less than 90% compared to described PV species and types. L1 nucleotide BLAST sequence hits showed that each new type was related to Beta, Gamma, Dyokappa, Dyoeta, and Xipapillomavirus, as well as two likely new unclassified genera. Our results show that the employment of NGS is relevant to the detection and characterization of distantly related PV and is of major importance in co-infection studies. This knowledge will help us understand the biology and pathogenesis of PV, as well as contribute to disease control. Moreover, we can also conclude that there are many unknown circulating PVs.
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Affiliation(s)
- Cíntia Daudt
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (Av. Bento Gonçalves, 9090, Prédio 42.602, CEP 91540-000, Porto Alegre, Brazil)
| | - Flavio R. C. da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (Av. Bento Gonçalves, 9090, Prédio 42.602, CEP 91540-000, Porto Alegre, Brazil)
- Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre (Campus Universitário, BR 364, Km 04 - Distrito Industrial- CEP: 69920-900, Rio Branco, Brazil)
| | - André F. Streck
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (Av. Bento Gonçalves, 9090, Prédio 42.602, CEP 91540-000, Porto Alegre, Brazil)
- Universidade de Caxias do Sul (Rua Francisco Getúlio Vargas, 1130, 95070-560, Caxias do Sul, Brazil)
| | - Matheus N. Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (Av. Bento Gonçalves, 9090, Prédio 42.602, CEP 91540-000, Porto Alegre, Brazil)
| | - Fabiana Q. Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária (Estrada do Conde, 6000, CEP 92990-000, Eldorado do Sul, Rio Grande do Sul, Brazil)
| | - Samuel P. Cibulski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (Av. Bento Gonçalves, 9090, Prédio 42.602, CEP 91540-000, Porto Alegre, Brazil)
| | - Cláudio W. Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (Av. Bento Gonçalves, 9090, Prédio 42.602, CEP 91540-000, Porto Alegre, Brazil)
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Bianchi MV, Konradt G, de Souza SO, Bassuino DM, Silveira S, Mósena ACS, Canal CW, Pavarini SP, Driemeier D. Natural Outbreak of BVDV-1d-Induced Mucosal Disease Lacking Intestinal Lesions. Vet Pathol 2016; 54:242-248. [PMID: 27586238 DOI: 10.1177/0300985816666610] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Bovine viral diarrhea virus (BVDV) belongs to the Pestivirus genus, which is further divided into subgenotypes (1a-1u and 2a-c). When persistent infection occurs, the calf will be immunotolerant to BVDV and possibly develop mucosal disease. This study describes an outbreak of BVDV-1d-induced mucosal disease lacking intestinal lesions. Eleven calves presented with anorexia, sialorrhea, lameness, recumbency, and death. Three calves were necropsied, showing ulceration of the interdigital skin and the oral and nasal mucosa; linear ulcers in the tongue, esophagus, and rumen; and rounded ulcers in the abomasum. Microscopically, mucosa and skin had superficial necrosis, with single-cell necrosis and vacuolation in epithelial cells, and severe parakeratosis. Immunohistochemistry (IHC) showed BVDV antigen in the cytoplasm of epithelial cells in skin and mucosa. All 11 dead calves were positive upon reverse transcription-polymerase chain reaction (RT-PCR) for the detection of Pestivirus along with another 11 live calves from the herd, which were positive again by RT-PCR and IHC after a 4-week interval. Sequencing of the 5' untranslated region and N-terminal protease showed that viruses from these 22 calves were homologous and of subgenotype BVDV-1d. Cytopathic BVDV was isolated from 8 of 11 dead calves, but only noncytopathic BVDV was isolated from the 11 live animals. The findings indicate that this was an outbreak of mucosal disease caused by BVDV-1d, with high morbidity, and lesions restricted to the upper alimentary system and skin and absent from intestine. Thus, the epidemiological and pathological features in this form of mucosal disease may be similar to vesicular diseases, including foot and mouth disease.
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Affiliation(s)
- M V Bianchi
- 1 From the Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - G Konradt
- 1 From the Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - S O de Souza
- 1 From the Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - D M Bassuino
- 1 From the Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - S Silveira
- 2 Laboratório de Virologia Veterinária, Faculdade de Veterinária, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - A C S Mósena
- 2 Laboratório de Virologia Veterinária, Faculdade de Veterinária, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - C W Canal
- 2 Laboratório de Virologia Veterinária, Faculdade de Veterinária, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - S P Pavarini
- 1 From the Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - D Driemeier
- 1 From the Setor de Patologia Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
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Weber MN, Bauermann FV, Canal CW, Bayles DO, Neill JD, Ridpath JF. Temporal dynamics of 'HoBi'-like pestivirus quasispecies in persistently infected calves generated under experimental conditions. Virus Res 2016; 227:23-33. [PMID: 27693289 DOI: 10.1016/j.virusres.2016.09.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 09/26/2016] [Accepted: 09/27/2016] [Indexed: 11/26/2022]
Abstract
'HoBi'-like virus is an atypical group within the Pestivirus genus that is implicated in economic losses for cattle producers due to both acute and persistent infections. Pestivirus strains exist as quasispecies (swarms of individual viruses) in infected animals and the viral populations making up the quasispecies differ widely in size and diversity in each animal. In the present study the viral quasispecies circulating in persistently infected (PI) calves, generated and maintained under experimental conditions using two different 'HoBi'-like strains, was observed over time. An increase in genetic variability and the development of certain mutations was observed over time. Mutations observed included the loss of a putative N-linked glycosylation site in the E2 region and the change of specific residues in E1/E2. It is hypothesized that these changes may be the results on continued adaption of the pestivirus to individual hosts. This is the first study characterizing variation in the viral swarms of animals persistently infected with HoBi-like viruses over time. Studies of the shifts in PI viral swarms will contribute to our understanding of the host and viral mechanisms that function in the maintenance of pestivirus persistent infections.
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Affiliation(s)
- Matheus N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - Fernando V Bauermann
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Av., Zip Code 50010, Ames, IA, United States
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000, Porto Alegre, Rio Grande do Sul, Brazil
| | - Darrell O Bayles
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Av., Zip Code 50010, Ames, IA, United States
| | - John D Neill
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Av., Zip Code 50010, Ames, IA, United States
| | - Julia F Ridpath
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), 1920 Dayton Av., Zip Code 50010, Ames, IA, United States.
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da Silva FRC, Cibulski SP, Daudt C, Weber MN, Guimarães LLB, Streck AF, Mayer FQ, Roehe PM, Canal CW. Novel Bovine Papillomavirus Type Discovered by Rolling-Circle Amplification Coupled with Next-Generation Sequencing. PLoS One 2016; 11:e0162345. [PMID: 27606703 PMCID: PMC5015974 DOI: 10.1371/journal.pone.0162345] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 08/22/2016] [Indexed: 02/06/2023] Open
Abstract
Currently, fifteen bovine papillomavirus (BPV) types have been identified and classified into four genera: Deltapapillomavirus, Epsilonpapillomavirus, Dyoxipapillomavirus, and Xipapillomavirus. Here, the complete genome sequence of a new BPV type (BPV 04AC14) recovered from a papillomatous lesion is reported. The genome is 7,282 bp in length and exhibits the classic genetic organization and motifs of the members of Papillomaviridae. Maximum likelihood phylogenetic analyses revealed that BPV 04AC14 clusters with members of the Xipapillomavirus genus. The nucleotide sequence of the L1 capsid protein of the novel BPV is closely related to its counterpart, BPV3, with which it shares 79% similarity. These findings suggest that this virus is a new BPV type of the Xipapillomavirus genus.
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Affiliation(s)
- Flavio R. C. da Silva
- Laboratório de Virologia – Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre Rio Branco, Acre, Brazil
| | - Samuel P. Cibulski
- Laboratório de Virologia – Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cíntia Daudt
- Laboratório de Virologia – Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Matheus N. Weber
- Laboratório de Virologia – Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Lorena L. B. Guimarães
- Laboratório de Virologia – Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - André F. Streck
- Universidade de Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil
| | - Fabiana Q. Mayer
- Laboratório de Biologia Molecular – Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Paulo M. Roehe
- Departamento de Microbiologia Imunologia e Parasitologia – Laboratório de Virologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cláudio W. Canal
- Laboratório de Virologia – Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- * E-mail:
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Weber MN, Bauermann FV, Bayles DO, Canal CW, Neill JD, Ridpath JF. Comparison of 'HoBi'-like viral populations among persistent infected calves generated under experimental conditions and to inoculum virus. Virology 2016; 492:225-31. [PMID: 26971244 DOI: 10.1016/j.virol.2016.03.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 02/26/2016] [Accepted: 03/01/2016] [Indexed: 10/22/2022]
Abstract
Like other members from the Pestivirus genus, 'HoBi'-like pestiviruses cause economic losses for cattle producers due to both acute and persistent infections. The present study analyzed for the first time PI animals derived from a controlled infection with two different 'HoBi'-like strains where the animals were maintained under conditions where superinfection by other pestiviruses could be excluded. The sequence of the region coding for viral glycoproteins E1/E2 of variants within the swarms of viruses present in the PI calves and two viral inoculums used to generate them were compared. Differences in genetic composition of the viral swarms were observed suggesting that host factors can play a role in genetic variations among PIs. Moreover, PIs generated with the same inoculum showed amino acid substitutions in similar sites of the polyprotein, even in serum from PIs with different quasispecies composition, reinforcing that some specific sites in E2 are important for host adaptation.
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Affiliation(s)
- M N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - F V Bauermann
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), Ames, IA, United States
| | - D O Bayles
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), Ames, IA, United States
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - J D Neill
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), Ames, IA, United States
| | - J F Ridpath
- Ruminant Diseases and Immunology Research Unit, Agricultural Research Service (ARS), National Animal Disease Center (NADC), United States Department of Agriculture (USDA), Ames, IA, United States.
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da Silva FRC, Daudt C, Streck AF, Weber MN, Filho RVL, Driemeier D, Canal CW. Genetic characterization of Amazonian bovine papillomavirus reveals the existence of four new putative types. Virus Genes 2015; 51:77-84. [PMID: 26116287 DOI: 10.1007/s11262-015-1220-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 06/18/2015] [Indexed: 10/23/2022]
Abstract
Papillomaviruses are small and complex viruses that belong to the Papillomaviridae family, which comprises 39 genera. The bovine papillomavirus (BPV) causes an infectious disease that is characterized by chronic and proliferative benign tumors that affect cattle worldwide. Different genotypes of BPVs can cause distinct skin and mucosal lesions and the immunity they raise has low cross-protection. This report aimed to genotype BPVs in cattle from Northern Brazil based on nucleotide partial sequences of the L1 ORF. Skin wart samples from 39 bovines clinically and histopathologically diagnosed as cutaneous papillomatosis from Acre and Rondônia States were analyzed. The results revealed four already reported BPV types (BPVs 1, 2, 11, and 13), nine putative new BPV subtypes and four putative new BPV types as well as two putative new BPV types that were already reported. To our knowledge, this is the first record of BPVs from the Brazilian Amazon region that identified new possible BPV types and subtypes circulating in this population. These findings point to the great genetic diversity of BPVs that are present in this region and highlight the importance of this knowledge before further studies about vaccination are attempted.
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Affiliation(s)
- Flavio R C da Silva
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9090, Prédio 42.602, Porto Alegre, Rio Grande do Sul, CEP 91540-000, Brazil
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Rodenbusch CR, Baptistotte C, Werneck MR, Pires TT, Melo MTD, de Ataíde MW, Testa P, Alieve MM, Canal CW. Fibropapillomatosis in green turtles Chelonia mydas in Brazil: characteristics of tumors and virus. Dis Aquat Organ 2014; 111:207-217. [PMID: 25320033 DOI: 10.3354/dao02782] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Fibropapillomatosis (FP) is a benign neoplasia that affects physiological functions of sea turtles and may lead to death. High prevalence of FP in sea turtle populations has prompted several research groups to study the disease and the associated herpesvirus, chelonid herpesvirus 5 (ChHV5). The present study detected and quantified ChHV5 in 153 fibropapilloma samples collected from green turtles Chelonia mydas on the Brazilian coast between 2009 and 2010 to characterize the relationship between viral load and tumor characteristics. Of the tumor samples collected, 73 and 87% were positive for ChHV5 in conventional PCR and real-time PCR, respectively, and viral loads ranged between 1 and 118.62 copies cell⁻¹. Thirty-three percent of turtles were mildly, 28% were moderately and 39% were severely affected with FP. Skin samples were used as negative control. High viral loads correlated positively with increasing FP severity in turtles sampled on the Brazilian coast and with samples from turtles found dead in the states of São Paulo and Bahia. Six viral variants were detected in tumor samples, 4 of which were similar to the Atlantic phylogenetic group. Two variants were similar to the western Atlantic/eastern Caribbean phylogenetic group. Co-infection in turtles with more than one variant was observed in the states of São Paulo and Bahia.
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Affiliation(s)
- C R Rodenbusch
- Laboratory of Virology, Veterinary Medicine College, Federal University of Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, 915640-000 RS, Brazil
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Marks FS, Rodenbusch CR, Okino CH, Hein HE, Costa EF, Machado G, Canal CW, Brentano L, Corbellini LG. Targeted survey of Newcastle disease virus in backyard poultry flocks located in wintering site for migratory birds from Southern Brazil. Prev Vet Med 2014; 116:197-202. [DOI: 10.1016/j.prevetmed.2014.06.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 06/01/2014] [Accepted: 06/02/2014] [Indexed: 02/01/2023]
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Weber MN, Silveira S, Machado G, Groff FHS, Mósena ACS, Budaszewski RF, Dupont PM, Corbellini LG, Canal CW. High frequency of bovine viral diarrhea virus type 2 in Southern Brazil. Virus Res 2014; 191:117-24. [PMID: 25109547 DOI: 10.1016/j.virusres.2014.07.035] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 07/28/2014] [Accepted: 07/29/2014] [Indexed: 11/20/2022]
Abstract
Ruminant pestiviruses can infect cattle populations worldwide and cause significant economic losses due to their impact on productivity and health. Knowledge of pestivirus diversity is important for control programs and vaccine development and for determining probable sources of infection. In this paper, we describe a search for ruminant pestiviruses with RT-PCR in sera of 9078 calves from 6 to 12 months of age. The calves were first analyzed in pools and then analyzed individually. Thirty-three RT-PCR positive animals were detected (0.36%) from 6.9% (24) of the 346 herds. The sequencing analysis of the 5' non-coding region and N terminal autoprotease showed the presence of BVDV-1a (15 isolates), -1b (3), -1d (1) and -2b (14), with a higher frequency (42.4%) of BVDV-2 in comparison with other countries. The presence of sheep was significantly associated with BVDV infection. Our results also suggested that a BVDV control program based only on the investigation of cattle would not be successful, especially in regions with farms harboring multiple animal species. This study may also serve as a reference for future control programs in Southern Brazil because it reports the prevalence of cattle with active infections and the genetic background of the circulating strains.
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Affiliation(s)
- M N Weber
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - S Silveira
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - G Machado
- Laboratório de Epidemiologia Veterinária (Epilab), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - F H S Groff
- Secretaria da Agricultura, Pecuária e Agronegócio do Rio Grande do Sul (SEAPA-RS), Av. Praia de Belas 1768, CEP 90-110-000 Porto Alegre, RS, Brazil
| | - A C S Mósena
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - R F Budaszewski
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - P M Dupont
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - L G Corbellini
- Laboratório de Epidemiologia Veterinária (Epilab), Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil
| | - C W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, CEP 91-540-000 Porto Alegre, RS, Brazil.
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Balestrin E, Fraga AP, Ikuta N, Canal CW, Fonseca ASK, Lunge VR. Infectious bronchitis virus in different avian physiological systems-a field study in Brazilian poultry flocks. Poult Sci 2014; 93:1922-9. [PMID: 24894532 PMCID: PMC7107171 DOI: 10.3382/ps.2014-03875] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Avian infectious bronchitis is a highly contagious viral disease with economic effects on poultry agribusiness. The disease presents multi-systemic clinical signs (respiratory, renal, enteric, and reproductive) and is caused by one coronavirus (infectious bronchitis virus, IBV). Infectious bronchitis virus is classified into different serotypes and genotypes (vaccine strains and field variants). This study aimed to evaluate the occurrence of IBV in commercial poultry flocks from 3 important producing regions in Brazil and to determine the tropism of the main circulating genotypes to 3 different avian physiological systems (respiratory, digestive, urinary/reproductive). Clinical samples with suggestive signs of IBV infection were collected from 432 different poultry commercial flocks (198 from broilers and 234 from breeders). The total number of biological samples consisted of organ pools from the 3 above physiological systems obtained of farms from 3 important producing regions: midwest, northeast, and south. Infectious bronchitis virus was detected by reverse-transcription, real-time PCR of the 5′ untranslated region. The results showed 179 IBV-positive flocks (41.4% of the flocks), with 107 (24.8%) from broilers and 72 (16.8%) from breeders. There were similar frequencies of IBV-positive flocks in farms from different regions of the country, most often in broilers (average 54%) compared with breeders (average 30.8%). reverse-transcription was more frequently detected in the digestive system of breeders (40%), and in the digestive (43.5%) and respiratory (37.7%) systems of broilers. Infectious bronchitis virus genotyping was performed by a reverse-transcription nested PCR and sequencing of the S1 gene from a selection of 79 IBV-positive flocks (45 from broilers and 34 from breeders). The majority of the flocks were infected with Brazilian variant genotype than with Massachusetts vaccine genotype. These results demonstrate the predominance of the Brazilian variant (mainly in the enteric tract) in commercial poultry flocks from 3 important producing regions in Brazil.
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Affiliation(s)
- Eder Balestrin
- Laboratório de Diagnóstico Molecular, Universidade Luterana do Brasil (ULBRA), Av. Farroupilha, 8001, Prédio 22, Sala 312, Bairro São José, CEP 92425-900, Canoas, RS, Brazil
| | - Aline P Fraga
- Laboratório de Diagnóstico Molecular, Universidade Luterana do Brasil (ULBRA), Av. Farroupilha, 8001, Prédio 22, Sala 312, Bairro São José, CEP 92425-900, Canoas, RS, Brazil
| | - Nilo Ikuta
- Laboratório de Diagnóstico Molecular, Universidade Luterana do Brasil (ULBRA), Av. Farroupilha, 8001, Prédio 22, Sala 312, Bairro São José, CEP 92425-900, Canoas, RS, Brazil Simbios Biotecnologia, Rua Cai, 541, Vila Princesa Izabel, CEP 94940-030, Cachoeirinha, RS, Brazil
| | - Cláudio W Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9090, Bairro Agronomia, CEP 90540-000, Porto Alegre, RS, Brazil
| | - André S K Fonseca
- Simbios Biotecnologia, Rua Cai, 541, Vila Princesa Izabel, CEP 94940-030, Cachoeirinha, RS, Brazil
| | - Vagner R Lunge
- Laboratório de Diagnóstico Molecular, Universidade Luterana do Brasil (ULBRA), Av. Farroupilha, 8001, Prédio 22, Sala 312, Bairro São José, CEP 92425-900, Canoas, RS, Brazil Simbios Biotecnologia, Rua Cai, 541, Vila Princesa Izabel, CEP 94940-030, Cachoeirinha, RS, Brazil
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Almeida LL, Miranda ICS, Hein HE, Neto WS, Costa EF, Marks FS, Rodenbusch CR, Canal CW, Corbellini LG. Herd-level risk factors for bovine viral diarrhea virus infection in dairy herds from Southern Brazil. Res Vet Sci 2013; 95:901-7. [PMID: 24079841 DOI: 10.1016/j.rvsc.2013.08.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Revised: 08/06/2013] [Accepted: 08/13/2013] [Indexed: 11/18/2022]
Abstract
A cross-sectional study was carried out to identify risk factors for bovine viral diarrhea virus (BVDV) infection in 300 randomly selected dairy herds which were tested for antibodies in bulk tank milk (BTM) using a commercial indirect ELISA kit (SVANOVA). Results from the analysis were interpreted according to the Swedish BVDV control scheme. The testing revealed 129 (43%) BTM BVDV antibody-positive herds. Use of artificial insemination (AI) and herd size were significantly associated with BVDV serological status (P<0.05). Dairy herds that use AI had 2.82 increased odds of BVDV-seropositivity (95% CI: 1.02-7.24). Since the semen used in the studied population come from known selected sires, it was hypothesized that AI technicians should represent an important risk factor because the increasing number of visitors in the farm can introduce the virus through the clothes, shoes and contaminated equipment.
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Affiliation(s)
- L L Almeida
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, CEP 91540-000 Porto Alegre, RS, Brazil
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Viancelli A, Kunz A, Steinmetz RLR, Kich JD, Souza CK, Canal CW, Coldebella A, Esteves PA, Barardi CRM. Performance of two swine manure treatment systems on chemical composition and on the reduction of pathogens. Chemosphere 2013; 90:1539-1544. [PMID: 23021386 DOI: 10.1016/j.chemosphere.2012.08.055] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Revised: 08/25/2012] [Accepted: 08/27/2012] [Indexed: 06/01/2023]
Abstract
Swine effluents must be correctly handled to avoid negative environmental impacts. In this study, the profiles of two swine manure treatment systems were evaluated: a solid-liquid separation step, followed by an anaerobic reactor, and an aerobic step (System 1); and a biodigester followed by serial lagoons (System 2). Both systems were described by the assessment of chemical, bacterial and viral parameters. The results showed that in System 1, there was reduction of chemicals (COD, phosphorus, total Kjeldhal nitrogen - TKN - and NH(3)), total coliforms and Escherichia coli; however, the same reduction was not observed for Salmonella sp. Viral particles were significantly reduced but not totally eliminated from the effluent. In System 2, there was a reduction of chemicals, bacteria and viruses with no detection of Salmonella sp., circovirus, parvovirus, and torque teno virus in the effluent. The chemical results indicate that the treated effluent can be reused for cleaning swine facilities. However, the microbiological results show a need of additional treatment to achieve a complete inactivation for cases when direct contact with animals is required.
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Affiliation(s)
- A Viancelli
- Departamento de Microbiologia e Parasitologia, Laboratório de Virologia Aplicada, Universidade Federal de Santa Catarina, 88040-900 Florianópolis, SC, Brazil
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Galuppo AG, Junior NB, Arruda NS, Corbellini AO, Chiappetta CM, Pavão DL, D'Angelo M, Canal CW, Rodrigues JL. Evaluation of the effectiveness of semen processing techniques to remove bovine viral diarrhea virus from experimentally contaminated semen samples. J Virol Methods 2012; 187:443-8. [PMID: 23219984 DOI: 10.1016/j.jviromet.2012.11.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 11/20/2012] [Accepted: 11/21/2012] [Indexed: 11/16/2022]
Abstract
The aim of this study was to evaluate the capacity of three semen processing techniques, Percoll gradient centrifugation, Swim-up and a combination of Swim-up and Percoll gradient centrifugation, to reduce the viral load of bovine viral diarrhea virus (BVDV) in experimentally infected semen samples. The evaluation was performed using two approaches: first, searching for the presence of virus in the processed samples (via virus titration and RT-PCR) and second, ascertaining the possible interference on in vitro embryo production. The sperm count and DNA integrity (Comet assay) of the processed samples were analyzed (Experiment 1). The amount of virus in the processed samples was determined by titration in cell culture (Experiment 2). The samples processed by Swim up/Percoll gradient centrifugation were utilized for in vitro embryo production, and the embryos produced were tested for BVDV by RT-PCR (Experiment 3). Sperm concentration, Comet assay and embryo production were analyzed by chi-squared tests (P<0.05). There was a significant difference between sperm separation techniques when the sperm count and Comet assay were analyzed. The sperm count obtained from the Swim up/Percoll gradient centrifugation group was lower than that obtained in either of the two other groups (Swim up and Percoll gradient centrifugation), and the Comet assay showed that the combination of the two semen processing techniques (Swim up/Percoll gradient) produced a 1.1% prevalence of Comet level 2, which was not observed in the other groups. The BVDV titer (10(6.68)TCID(50)/mL) added to experimentally infected semen samples decreased after Percoll gradient centrifugation to 10(2.3)-10(1)TCID(50)/mL; for the Swim up group, the titer range was 10(3.3)-10(1.87)TCID(50)/mL, and in the Swim up/Percoll gradient centrifugation group, BVDV was undetectable. The decreases in titer varied from 99.9% in the Swim up-processed group to 100% in the Swim up/Percoll gradient centrifugation group. In vitro embryo production displayed similar blastocyst development rates among all groups, and RT-PCR was negative for the produced embryos. The data showed that the combination of Swim up/Percoll gradient centrifugation promoted the elimination of BVDV from the semen samples without damaging spermatozoa cells and also allowed successful in vitro embryo production free of BVDV. Hence, the risk of BVDV contamination is negligible for the embryo recipient.
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Affiliation(s)
- Andrea G Galuppo
- Laboratory of Embryology and Reproductive Biotechniques-FAVET-UFRGS, Porto Alegre (RS), Brazil.
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Rodenbusch CR, Almeida LL, Marks FS, Ataíde MW, Alievi MM, Tavares M, Pereira RA, Canal CW. Detection and characterization of fibropapilloma associated herpesvirus of marine turtles in Rio Grande do Sul, Brazil. Pesq Vet Bras 2012. [DOI: 10.1590/s0100-736x2012001100018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Fibropapillomatosis (FP) is a benign tumoral disease that affects sea turtles, hampering movement, sight and feeding, ultimately leading to death. In Brazil, the disease was described for the first time in 1986. Research suggests the involvement of a herpesvirus in association with environmental and genetic factors as causal agents of FP. The objective of the present study was to detect and characterize this herpesvirus in sea turtles living in the coast of state Rio Grande do Sul (RS), Brazil. From October 2008 to July 2010, 14 turtles were observed between the beaches of Torres and Tavares, of which 11 were green turtles (Chelonia mydas) and 3 were loggerhead turtles (Caretta caretta). All turtles were young and mean curved carapace length was 37.71±7.82cm, and varied from 31 to 55cm. Only one green turtle presented a 1cm, papillary, pigmented fibropapilloma. Skin and fibropapilloma samples were analyzed by conventional and real time PCR assays to detect and quantify herpesvirus. All skin samples were negative, though the fibropapilloma specimen was positive in both tests. Viral load was 9,917.04 copies of viral genome per milligram of tissue. The DNA fragment amplified from the fibropapilloma sample was sequenced and allocated in the Atlantic phylogeographic group. This study reports the first molecular characterization of herpesvirus associated with fibropapilloma in turtles from the coast of RS.
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Santos AS, Antoniassi NA, Boabaid FM, Bitencourt AP, Almeida LL, Canal CW, Flores EF, Driemeier D. Aspectos clínicos, patológicos, imuno-histoquímicos e virológicos em cinco bezerros persistentemente infectados com o vírus da diarreia viral bovina em uma propriedade do Rio Grande do Sul. Pesq Vet Bras 2011. [DOI: 10.1590/s0100-736x2011001000009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
O vírus da diarreia viral bovina (BVDV) é responsável por diferentes síndromes que afetam bovinos em todo o mundo, causando grandes perdas econômicas. O presente trabalho analisou as características clínicas, patológicas e imuno-histoquímicas e virais de cinco bovinos persistentemente infectados pelo BVDV de uma mesma propriedade, localizada no Município de Viamão, Rio Grande do Sul. Dentre os sinais clínicos verificados destacaram-se subdesenvolvimento, secreções nasais e oculares, além de catarata congênita unilateral em dois bovinos. As principais lesões observadas durante a necropsia consistiram de aumento dos linfonodos mesentéricos, evidenciação das placas de Peyer e pododermatite e lesões crostosas no plano nasal e na região periocular em um animal. Os achados microscópicos caracterizavam-se, principalmente, por infiltrado mononuclear na lâmina do intestino delgado e rarefação linfoide com infiltrado histiocitário nos centrofoliculares de linfonodos e nas placas de Peyer. Antígenos virais foram detectados por imuno-histoquímica principalmente em queratinócitos da epiderme, no epitélio de folículos pilosos e células mononucleares da derme de orelhas e pele; histiócitos e em linfócitos dos linfonodos; células foliculares da tireoide; no citoplasma de neurônios e, em menor escala, em células da micróglia no córtex cerebral e no hipocampo. O isolamento viral de amostras de sangue e órgãos dos animais confirmou a presença de BVDV não citopático. Também foi possível detectar a presença do genoma viral por RT-PCR no soro dos animais. A análise filogenética do fragmento parcial da região 5' não traduzida do genoma viral permitiu a classificação da amostra viral como BVDV tipo 2b. O presente estudo reforça a necessidade de investigar e caracterizar surtos de BVD e descrever suas diferentes for-mas de apresentação.
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Streck AF, Gava D, Souza CK, Gonçalves KR, Bortolozzo FP, Wentz I, Canal CW. Presence of porcine parvovirus in sera from pigs is independent of antibody titers. Berl Munch Tierarztl Wochenschr 2011; 124:242-246. [PMID: 22059296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Porcine parvovirus (PPV) is a widespread DNA virus that causes reproductive failure in swine. The aim of the present study was to investigate the presence of PPV in sera of nursery piglets (healthy n = 191 and wasting n = 132) and regularly vaccinated sows (with different parity rank [PR] n = 129), collected from different herds. Altogether, 452 animals were sampled in 27 herds owned by five companies. All sera were analyzed for the presence of PPV DNA by nested-PCR. The samples from sows were in addition tested for the presence of antibodies by Hemagglutination Inhibition (HI). PPV DNA was detected in healthy piglets (15.7%), wasting piglets (18.2%) and sows (17.8%). 25 herds had at least one positive sample and four companies had positive animals. The serology revealed that 84.7% of the sows had detectable antibodies and the fourth PR sows had the highest mean PPV antibody titers. Thirteen sows (19.1%) were found to be positive for DNA detection in the presence of high levels of antibody titers (> 512). This finding indicates that PPV DNA can be detected in different swine production categories irrespective of antibody titers.
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Affiliation(s)
- André F Streck
- Institute for Animal Hygiene and Veterinary Public Health, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
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Silva ICMD, Ribeiro AML, Canal CW, Vieira MM, Pinheiro CC, Gonçalves T, de Moraes ML, Ledur VS. Effect of vitamin E levels on the cell-mediated immunity of broilers vaccinated against coccidiosis. Rev Bras Cienc Avic 2011. [DOI: 10.1590/s1516-635x2011000100008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | | | | | - MM Vieira
- Departamento de Patologia Clínica Veterinária
| | - CC Pinheiro
- Departamento de Patologia Clínica Veterinária
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da Silva ICM, Ribeiro AML, Canal CW, Trevizan L, Macagnan M, Gonçalves TA, Hlavac NRC, de Almeida LL, Pereira RA. The impact of organic and inorganic selenium on the immune system of growing broilers submitted to immune stimulation and heat stress. Rev Bras Cienc Avic 2010. [DOI: 10.1590/s1516-635x2010000400005] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | | | | | | | | | | | - NRC Hlavac
- Laboratório de Análises Clínicas Veterinárias
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