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A bovine teat papilloma specimen harboring Deltapapillomavirus (BPV-1) and Xipapillomavirus (BPV-6) representatives BABT
Claus,Marlise Pompeo; Lunardi,Michele; Alfieri,Amauri Alcindo; Otonel,Rodrigo Alejandro Arellano; Ferracin,Lara Munique; Fungaro,Maria Helena Pelegrinelli; Alfieri,Alice Fernandes.
The common occurrence of multiple papillomavirus infections has been shown in several studies involving the human host. However, investigations with the aim of identifying mixed papillomavirus infections in cattle have been conducted only recently. In the current work we describe a co-infection with two different bovine papillomavirus (BPV) types that was identified in a bovine teat papilloma. The skin wart was obtained from a cow belonging to a Brazilian beef herd. A PCR assay was carried out with the FAP primer pair, which amplifies a partial segment of the L1 gene (approximately 478 bp), and the amplicon was submitted to direct sequencing. Because nucleotide sequences with satisfactory quality scores were not obtained, the amplicon was cloned and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cattle; Cutaneous papillomatosis; BPV; Co-infection.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700012
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Multiple bovine papillomavirus infections associated with cutaneous papillomatosis in brazilian cattle herds BABT
Claus,Marlise Pompeo; Lunardi,Michele; Alfieri,Amauri Alcindo; Otonel,Rodrigo Alejandro Arellano; Sartori,Daniele; Fungaro,Maria Helena Pelegrinelli; Alfieri,Alice Fernandes.
Cutaneous papillomatosis is a pathological condition commonly found in cattle and is characterized by the presence of benign proliferative tumors caused by bovine papillomavirus (BPV) infection. While multiple infections with human papillomavirus (HPV) are common in healthy and immunodeficient humans, studies with the aim of identifying mixed infections are still sporadic in veterinary medicine. The aim of this study is to describe the occurrence of multiple BPV infections in cattle affected by cutaneous papillomatosis. Fifteen skin warts were collected from at least two diverse anatomical regions of six bovines with papillomatosis belonging to three cattle herds from the Paraná state in Brazil. The BPV types present in the skin wart samples were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cattle; Skin warts; BPV; Mixed infections.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700013
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Teat papillomatosis associated with bovine papillomavirus types 6, 7, 9, and 10 in dairy cattle from Brazil BJM
Tozato,Claudia C.; Lunardi,Michele; Alfieri,Alice F.; Otonel,Rodrigo A.A.; Di Santis,Giovana W.; Alcântara,Brígida K. de; Headley,Selwyn A.; Alfieri,Amauri A..
This study describes the clinical, histopathological, and virological characterization of teat papillomatosis from Brazilian dairy cattle herds. Four types of bovine papillomavirus were identified (BPV6, 7, 9, and 10); one of these (BPV7) is being detected for the first time in Brazilian cattle.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Papilloma; BPV; Genotyping.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000300039
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Viral DNA sequences in peripheral blood and vertical transmission of the virus: a discussion about BPV-1 BJM
Freitas,Antonio Carlos de; Carvalho,Claudemir de; Brunner,Olga; Birgel-Junior,Eduardo Harry; Dellalibera,Alice Maria Melville Paiva; Benesi,Fernando José; Gregory,Lilian; Beçak,Willy; Santos,Rita de Cassia Stocco dos.
This study has detected BPV-1 DNA sequences in wart, blood and plasma samples collected from animals affected by papillomatosis, suggesting viral presence inside the cell. We sellected an animal in which we could detect BPV-1 DNA sequences in wart, blood, placenta and amniotic liquid samples and her offspring which presented BPV-1 DNA sequences in blood sample collected immediately after birth. These results show a possible vertical transmission of BPV-1.
Tipo: Info:eu-repo/semantics/article Palavras-chave: BPV; Viral vertical transmission; PCR detection.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000500026
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Phylogenetic position of an uncharacterized Brazilian strain of bovine papillomavirus in the genus Xipapillomavirus based on sequencing of the L1 open reading frame Genet. Mol. Biol.
Lunardi,Michele; Claus,Marlise P.; Alfieri,Amauri A.; Fungaro,Maria Helena P.; Alfieri,Alice F..
The use of PCR assays with degenerate primers has suggested the existence of numerous as yet uncharacterized bovine papillomaviruses (BPV). Despite the endemic nature of BPV infections, the identification of BPV types in Brazilian cattle is still only sporadic. However, in a recent analysis of a partial segment of the L1 gene, we observed notable diversity among the BPV types detected. The aim of this study was to determine the phylogenetic position of the previously identified wild strain BPV/BR-UEL2 detected in the state of Paraná in Brazil. Since previous analysis of the partial L1 sequence had shown that this strain was most closely related to BPV type 4, genus-specific primers were designed. Phylogenetic analysis using complete L1 ORF sequences...
Tipo: Info:eu-repo/semantics/article Palavras-chave: BPV; Cattle; Cutaneous papillomatosis; Putative new BPV type; L1 gene.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000400022
Registros recuperados: 5
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