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Histophilus somni-associated syndromes in sheep from Southern Brazil BJM
Headley,Selwyn A.; Pereira,Alfredo H.T.; Balbo,Luciana C.; Santia,Giovana W. Di; Bracarense,Ana P.F.R.L.; Cunha Filho,Luiz F.C.; Schade,Jackson; Okano,Werner; Pereira,Priscilla F.V.; Morotti,Fábio; Preto-Giordano,Lucienne G.; Marcasso,Rogério A.; Alfieri,Alice F.; Lisbôa,Júlio A.N.; Alfieri,Amauri A..
Abstract Histophilus somni is a Gram-negative bacterium that is associated with a disease complex (termed histophilosis) that can produce several clinical syndromes predominantly in cattle, but also in sheep. Histophilosis is well described in North America, Canada, and in some European countries. In Brazil, histophilosis has been described in cattle with respiratory, reproductive, and systemic disease, with only one case described in sheep. This report describes the occurrence of Histophilus somni-associated disease in sheep from Southern Brazil. Eight sheep with different clinical manifestations from five farms were investigated by a combination of pathological and molecular diagnostic methods to identify additional cases of histophilosis in sheep from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Histophilosis; Molecular testing; Bronchopneumonia; Myocarditis; Thrombotic meningoencephalitis.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000300591
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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
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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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