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Registro Completo |
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
10/03/2016 |
Data da última atualização: |
10/03/2016 |
Autoria: |
HEADLEY, S. A.; BRACARENSE, A. P. F. R. L.; OLIVEIRA, V. H. S.; QUEIROX, G. R.; OKANO, W.; ALFIERI, A. F.; FLAIBAN, K. K. M.; LISBÔA, J. A. N.; ALFIERI, A. A. |
Afiliação: |
SELWYN A. HEADLEY, UEL; ANA PAULA F. R. L. BRACARENSE, UEL; VICTOR H. S. OLIVEIRA, UEL; GUSTAVO R. QUEIROZ, UEL; WERNER OKANO, Universidade Norte do Paraná; ALICE F. ALFIERI, UEL; KARINA K. M. C. FLAIBAN, UEL; JÚLIO A. N. LISBÔA, UEL; AMAURI A. ALFIERI, UEL. |
Título: |
Histophilus somni-induced thrombotic meningoencephalitis in cattle from northern Paraná, Brazil. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Brasília, DF, v. 35. n. 4, p. 329-336, abr. 2015. |
Idioma: |
Português |
Conteúdo: |
Thrombotic meningoencephalitis (TME) is a fatal neurological disease of cattle, predominantly from North America, that is caused by Histophilus somni with sporadic descriptions from other countries. This manuscript describes the occurrence of spontaneous TME in cattle from northern Paraná, Brazil. Most cattle had acute neurological manifestations characteristic of brain dysfunction. Hematological and cerebrospinal fluid analyses were not suggestive of bacterial infections of the brain. Histopathology revealed meningoencephalitis with vasculitis and thrombosis of small vessels that contained discrete neutrophilic and/or lymphocytic infiltrates admixed with fibrin at the brainstem, cerebral cortex, and trigeminal nerve ganglion of all animals. All tissues from the central nervous system used during this study were previously characterized as negative for rabies virus by the direct immunofluorescence assay. PCR and RT-PCR assays investigated the participation of infectious agents associated with bovine neurological disease by targeting specific genes of H. somni, Listeria monocytogenes, bovine herpesvirus -1 and -5, bovine viral diarrhea virus, and ovine herpesvirus-2. PCR and subsequent sequencing resulted in partial fragments of the 16S rRNA gene of H. somni from brain sections of all animals with histopathological diagnosis of TME; all other PCR/RT-PCR assays were negative. These findings confirmed the participation of H. somni in the neuropathological disease observed in these animals, extend the geographical distribution of this disease, and support previous findings of H. somni from Brazil. MenosThrombotic meningoencephalitis (TME) is a fatal neurological disease of cattle, predominantly from North America, that is caused by Histophilus somni with sporadic descriptions from other countries. This manuscript describes the occurrence of spontaneous TME in cattle from northern Paraná, Brazil. Most cattle had acute neurological manifestations characteristic of brain dysfunction. Hematological and cerebrospinal fluid analyses were not suggestive of bacterial infections of the brain. Histopathology revealed meningoencephalitis with vasculitis and thrombosis of small vessels that contained discrete neutrophilic and/or lymphocytic infiltrates admixed with fibrin at the brainstem, cerebral cortex, and trigeminal nerve ganglion of all animals. All tissues from the central nervous system used during this study were previously characterized as negative for rabies virus by the direct immunofluorescence assay. PCR and RT-PCR assays investigated the participation of infectious agents associated with bovine neurological disease by targeting specific genes of H. somni, Listeria monocytogenes, bovine herpesvirus -1 and -5, bovine viral diarrhea virus, and ovine herpesvirus-2. PCR and subsequent sequencing resulted in partial fragments of the 16S rRNA gene of H. somni from brain sections of all animals with histopathological diagnosis of TME; all other PCR/RT-PCR assays were negative. These findings confirmed the participation of H. somni in the neuropathological disease observed in th... Mostrar Tudo |
Palavras-Chave: |
Histofilose; Histophilosis; Histophilus somni; Meningoencefalite trombótica; Molecular diagnostics; Neuropatologia; Sistema nervoso central; Thrombotic meningoencephalitis. |
Thesagro: |
Bovino; Doença. |
Thesaurus Nal: |
Cattle diseases; Central nervous system; Neuropathology. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/140966/1/Histophilus-somni-induced.pdf
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Marc: |
LEADER 02758naa a2200373 a 4500 001 2040463 005 2016-03-10 008 2015 bl uuuu u00u1 u #d 100 1 $aHEADLEY, S. A. 245 $aHistophilus somni-induced thrombotic meningoencephalitis in cattle from northern Paraná, Brazil.$h[electronic resource] 260 $c2015 520 $aThrombotic meningoencephalitis (TME) is a fatal neurological disease of cattle, predominantly from North America, that is caused by Histophilus somni with sporadic descriptions from other countries. This manuscript describes the occurrence of spontaneous TME in cattle from northern Paraná, Brazil. Most cattle had acute neurological manifestations characteristic of brain dysfunction. Hematological and cerebrospinal fluid analyses were not suggestive of bacterial infections of the brain. Histopathology revealed meningoencephalitis with vasculitis and thrombosis of small vessels that contained discrete neutrophilic and/or lymphocytic infiltrates admixed with fibrin at the brainstem, cerebral cortex, and trigeminal nerve ganglion of all animals. All tissues from the central nervous system used during this study were previously characterized as negative for rabies virus by the direct immunofluorescence assay. PCR and RT-PCR assays investigated the participation of infectious agents associated with bovine neurological disease by targeting specific genes of H. somni, Listeria monocytogenes, bovine herpesvirus -1 and -5, bovine viral diarrhea virus, and ovine herpesvirus-2. PCR and subsequent sequencing resulted in partial fragments of the 16S rRNA gene of H. somni from brain sections of all animals with histopathological diagnosis of TME; all other PCR/RT-PCR assays were negative. These findings confirmed the participation of H. somni in the neuropathological disease observed in these animals, extend the geographical distribution of this disease, and support previous findings of H. somni from Brazil. 650 $aCattle diseases 650 $aCentral nervous system 650 $aNeuropathology 650 $aBovino 650 $aDoença 653 $aHistofilose 653 $aHistophilosis 653 $aHistophilus somni 653 $aMeningoencefalite trombótica 653 $aMolecular diagnostics 653 $aNeuropatologia 653 $aSistema nervoso central 653 $aThrombotic meningoencephalitis 700 1 $aBRACARENSE, A. P. F. R. L. 700 1 $aOLIVEIRA, V. H. S. 700 1 $aQUEIROX, G. R. 700 1 $aOKANO, W. 700 1 $aALFIERI, A. F. 700 1 $aFLAIBAN, K. K. M. 700 1 $aLISBÔA, J. A. N. 700 1 $aALFIERI, A. A. 773 $tPesquisa Veterinária Brasileira, Brasília, DF$gv. 35. n. 4, p. 329-336, abr. 2015.
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Embrapa Unidades Centrais (AI-SEDE) |
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Biblioteca(s): |
Embrapa Acre. |
Data corrente: |
13/12/2012 |
Data da última atualização: |
01/11/2023 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
ANDRADE NETO, R. de C.; RIBEIRO, A. M. A. de S.; FREITAS, C. I. A. de; LESSA, L. S.; ALECIO, M. R.; FREITAS, J. R. de. |
Afiliação: |
ROMEU DE CARVALHO ANDRADE NETO, CPAF-AC; ANA MARIA ALVEZ DE SOUZA RIBEIRO, Bolsista da Embrapa Acre; CAROLINY IZABEL ARAÚJO DE FREITAS, UFAC; LAURO SARAIVA LESSA, CPAF-AC; MARCIO RODRIGO ALECIO, UFAM; JULHO ROQUE DE FREITAS, Bolsista da Embrapa Acre. |
Título: |
Diferentes portaenxertos e épocas de avaliação sobre o desenvolvimento da Lima Ácida 'Tahiti' cultivada nas condições de Capixaba - Acre. |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF, 2012. |
Páginas: |
p. 3311-3314. |
Idioma: |
Português |
Conteúdo: |
O objetivo do trabalho foi avaliar, em duas épocas, o desenvolvimento vegetativo da limeira ácida "Tahiti" combinada com diferentes portaenxertos no município de Capixaba, Acre. |
Palavras-Chave: |
Acre; Amazonia Occidental; Amazônia Ocidental; Capixaba (AC); Crecimiento de planta; Factores ambientales; Portainjertos; Projeto de Assentamento Alcobrás; Western Amazon. |
Thesagro: |
Condição Ambiental; Etapa de Desenvolvimento da Planta; Porta Enxerto. |
Thesaurus NAL: |
Citrus; Environmental factors; Plant growth; Rootstocks; Tahiti. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/115467/1/24548.pdf
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Marc: |
LEADER 01432nam a2200385 a 4500 001 1942469 005 2023-11-01 008 2012 bl uuuu u00u1 u #d 100 1 $aANDRADE NETO, R. de C. 245 $aDiferentes portaenxertos e épocas de avaliação sobre o desenvolvimento da Lima Ácida 'Tahiti' cultivada nas condições de Capixaba - Acre.$h[electronic resource] 260 $aIn: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF$c2012 300 $ap. 3311-3314. 520 $aO objetivo do trabalho foi avaliar, em duas épocas, o desenvolvimento vegetativo da limeira ácida "Tahiti" combinada com diferentes portaenxertos no município de Capixaba, Acre. 650 $aCitrus 650 $aEnvironmental factors 650 $aPlant growth 650 $aRootstocks 650 $aTahiti 650 $aCondição Ambiental 650 $aEtapa de Desenvolvimento da Planta 650 $aPorta Enxerto 653 $aAcre 653 $aAmazonia Occidental 653 $aAmazônia Ocidental 653 $aCapixaba (AC) 653 $aCrecimiento de planta 653 $aFactores ambientales 653 $aPortainjertos 653 $aProjeto de Assentamento Alcobrás 653 $aWestern Amazon 700 1 $aRIBEIRO, A. M. A. de S. 700 1 $aFREITAS, C. I. A. de 700 1 $aLESSA, L. S. 700 1 $aALECIO, M. R. 700 1 $aFREITAS, J. R. de
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