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| Registros recuperados : 18 | |
| 5. |  | MELLONI, R.; GUIDA, E. da C.; ANDRADE, M. R. de; MELLONI, E. G. P. Fungos micorrízicos arbusculares em solos da Reserva Biológica Municipal Serra dos Toledos, Itajubá / MG. Ciência Florestal, Santa Maria, v. 21, n. 4, p. 799-809, out./dez. 2011.| Biblioteca(s): Embrapa Florestas. |
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| 7. | | ANDRADE, M. R. DE; MARTINS, T. R.; TIBURSKI, J. H.; DELIZA, R.; ROSENTHAL, A. Formulação de bebida láctea fermentada probiótica: estudos preliminares. In: SIMPÓSIO DE CIÊNCIA, TECNOLOGIA E ENGENHARIA DE ALIMENTOS, 1., 2015, Valença, RJ. [Anais...]. Valença, RJ: CEFET, 2015. 1 p.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 8. | | ANDRADE, M. R. DE; MARTINS, T. R.; TIBURSKI, J. H.; ROSENTHAL, A. Desenvolvimento de queijo minas em miniatura para análises microbiológicas. In: SIMPÓSIO DE CIÊNCIA, TECNOLOGIA E ENGENHARIA DE ALIMENTOS, 1., 2015, Valença, RJ. [Anais...]. Valença, RJ: CEFET, 2015. 1 p.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 9. | | ALVES, R. N. B.; ANDRADE, M. R. de; ROSSETTI, A. G.; PEREIRA, A. V.; BUENO, N. Estudo de dosagens de nitrogênio, fósforo, potássio e magnésio em viveiro de seringueira no Amapá. In: SIMPÓSIO DO TRÓPICO ÚMIDO, 1., 1984, Belém, PA. Resumos... Belém, PA: EMBRAPA-CPATU, 1984. p. 244. (EMBRAPA-CPATU. Documentos, 31).| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 10. | | ALVES, R. N. B.; ANDRADE, M. R. de; ROSSETTI, A. G.; PEREIRA, A. V.; BUENO, N. Estudo de dosagens de nitrogênio, fósforo, potássio e magnésio em viveiro de seringueira no Amapá. Macapá: EMBRAPA-UEPAT de Macapá, 1986. 20 p. (EMBRAPA-UEPAT de Macapá. Boletim de pesquisa, 2). Trabalho apresentado no 1o. Simpósio do Trópico Úmido, 1984, Belém, PA.| Biblioteca(s): Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Instrumentação; Embrapa Meio-Norte; Embrapa Pantanal; Embrapa Roraima; Embrapa Tabuleiros Costeiros; Embrapa Unidades Centrais. |
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| 11. | | ALVES, R. N. B.; ANDRADE, M. R. de; ROSSETTI, A. G.; PEREIRA, A. V.; BUENO, N. Estudo de dosagens de nitrogênio, fósforo, potássio e magnésio em viveiro de seringueira no Amapá. In: SIMPÓSIO DO TRÓPICO ÚMIDO, 1., 1984, Belém, PA. Anais. Belém, PA: EMBRAPA-CPATU, 1986. v. 4, p. 127-132. (EMBRAPA-CPATU. Documentos, 36). v.4 Culturas perenes.| Biblioteca(s): Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental. |
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| 14. | | FERNANDES, A. R. F; COSTA, D. F.; ANDRADE, M. R.; BEZERRA, C. S.; MOTA, R. A.; ALVES, C. J.; LANGONI, H.; AZEVEDO, S. S. Soropositividade e fatores de risco para leptospirose, toxoplasmose e neosporose na população canina do Estado da Paraíba. Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 38, n. 5, p. 957-966, maio 2018 Título em inglês: Seropositivity and risk factors for leptospirosis, toxoplasmosis and neosporosis in the canine population of Paraiba state, northeastern Brazil.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 15. | | SANTOS, H. G. dos; ANDRADE, M. R.; SOUZA, J. C. D. de; ANTONELLO, L. L.; SANTOS, L. A. dos; CAVALCANTE, A. M. de. Levantamento de reconhecimento de média intensidade dos solos e avaliação da aptidão agrícola das terras de uma area sob influência dos rios Araguari, Falsino e Tartarugal Grande-Território Federal do Amapá. Rio de Janeiro: Embrapa/SNLCS, 1982. 118 p. (EMBRAPA-SNLCS. Boletim de Pesquisa, 7). Acompanha 2 mapas preto x branco, escala 1:250.000. Contrato EMBRAPA-SNLCS/Governo do Territorio Federal do Amapa.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 17. | | SATO, J. P. H.; TAKEUTI, K. L.; ANDRADE, M. R.; KOERICH, P. K. V.; TAGLIARI, V.; BERNARDI, M. L.; CARDOSO, M. R. I.; BARCELLOS, D. E. S. N. Virulence profiles of enterotoxigenic Escherichia coli isolated from piglets with post-weaning diarrhea and classification according to fecal consistency. Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 4, p. 253-257, abr. 2016.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 18. | | ROSENTHAL, A.; RIBEIRO, L. A. S.; ANDRADE, M. R.; MARTINS, T. R.; TIBURSKI, J. H.; COSTA, S. D. de O.; LEAL JUNIOR, W. F.; DELIZA, R.; WALTER, E. H. M. Effect of High Hydrostatic Pressure on Microbial Stability of a Probiotic 1 Dairy Beverage with Papaya and Orange. In: SHELF LIFE INTERNATIONAL MEETING, 8., 2017, Thailand. Emerging trends in food technology and packaging for shelf-life extension and sustainability improvement. Thailand : Utai Klinkesorn, 2017. 2 p.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| Registros recuperados : 18 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
02/05/2016 |
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Data da última atualização: |
29/12/2017 |
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Autoria: |
SATO, J. P. H.; TAKEUTI, K. L.; ANDRADE, M. R.; KOERICH, P. K. V.; TAGLIARI, V.; BERNARDI, M. L.; CARDOSO, M. R. I.; BARCELLOS, D. E. S. N. |
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Afiliação: |
JOSÉ PAULO H. SATO, UFRGS; KARINE L. TAKEUTI, UFRGS; MARIANA R. ANDRADE, UFRGS; PRISCILLA K. V. KOERICH, BRF - Brasil Foods; VINICIUS TAGLIARI, BRF- Brasil Foods; MARI L. BERNARDI, UFRGS; MARISA R. I. CARDOSO, UFRGS; DAVID E. S. N. BARCELLOS, UFRGS. |
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Título: |
Virulence profiles of enterotoxigenic Escherichia coli isolated from piglets with post-weaning diarrhea and classification according to fecal consistency. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 4, p. 253-257, abr. 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study was to assess the frequency and association of virulence factors of Escherichia (E.) coli isolated from weaned piglets with diarrhea and to correlate it with fecal consistency. A total of 152 rectal swabs were collected from 25-40 day-old piglets with diarrhea, in farms of Southern Brazil. Phenotypical and molecular techniques were used for bacterial isolation, characterization and classification of enterotoxigenic E. coli (ETEC) pathotypes. Statistical analysis was carried out to determine the frequency of virulence factors and virotypes, of fimbriae F4, F5, F6, F18, F41 and toxins LT, STa, STb and STx2e. Out of 456 E. coli isolates, 287 (62.9%) samples showed significant growth of E. coli. Among them, 194 (67.6%) samples showed at least one virulence factor, indicating that ETEC is an important etiological agent of diarrhea in weaned piglets. Higher frequencies were found of fimbria F4 and F18 and enterotoxins LT, STa and STb. Significant association was found to F4, LT, STa and STb; between F18 and STa and STx2e; between F5 and LT, STa and STb. The most frequent virotypes were F18-STa, F4-LT-STa-STb, F4-STa, F4-LT-STb and F18-STa-STx2e. Beta-hemolysis was observed in 47.4% of samples and there was significant association between hemolytic samples and virulence factors F4, F18, STa and STx2e. Regarding fecal consistency, there was significant association of liquid feces and F4 fimbria, STa toxin and virotypes F4-STa and F4-F5-LT-STa-STb. Since there was significant association of ETEC and liquid feces in nursery piglets, it is important to prioritize the sampling of liquid feces for the diagnosis etiologic cause of diarrhea. MenosThe aim of this study was to assess the frequency and association of virulence factors of Escherichia (E.) coli isolated from weaned piglets with diarrhea and to correlate it with fecal consistency. A total of 152 rectal swabs were collected from 25-40 day-old piglets with diarrhea, in farms of Southern Brazil. Phenotypical and molecular techniques were used for bacterial isolation, characterization and classification of enterotoxigenic E. coli (ETEC) pathotypes. Statistical analysis was carried out to determine the frequency of virulence factors and virotypes, of fimbriae F4, F5, F6, F18, F41 and toxins LT, STa, STb and STx2e. Out of 456 E. coli isolates, 287 (62.9%) samples showed significant growth of E. coli. Among them, 194 (67.6%) samples showed at least one virulence factor, indicating that ETEC is an important etiological agent of diarrhea in weaned piglets. Higher frequencies were found of fimbria F4 and F18 and enterotoxins LT, STa and STb. Significant association was found to F4, LT, STa and STb; between F18 and STa and STx2e; between F5 and LT, STa and STb. The most frequent virotypes were F18-STa, F4-LT-STa-STb, F4-STa, F4-LT-STb and F18-STa-STx2e. Beta-hemolysis was observed in 47.4% of samples and there was significant association between hemolytic samples and virulence factors F4, F18, STa and STx2e. Regarding fecal consistency, there was significant association of liquid feces and F4 fimbria, STa toxin and virotypes F4-STa and F4-F5-LT-STa-STb. Since there w... Mostrar Tudo |
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Palavras-Chave: |
Consistência fecal; Enterotoxigênica; Fatores de virulência; Fecal consistency; Virulence factors. |
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Thesagro: |
Diarreia; Escherichia Coli; Suíno. |
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Thesaurus NAL: |
Diarrhea; Enterotoxigenic Escherichia coli; Piglets; Swine. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/142679/1/Virulence-profiles.pdf
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Marc: |
LEADER 02748naa a2200349 a 4500
001 2044270
005 2017-12-29
008 2016 bl uuuu u00u1 u #d
100 1 $aSATO, J. P. H.
245 $aVirulence profiles of enterotoxigenic Escherichia coli isolated from piglets with post-weaning diarrhea and classification according to fecal consistency.
260 $c2016
520 $aThe aim of this study was to assess the frequency and association of virulence factors of Escherichia (E.) coli isolated from weaned piglets with diarrhea and to correlate it with fecal consistency. A total of 152 rectal swabs were collected from 25-40 day-old piglets with diarrhea, in farms of Southern Brazil. Phenotypical and molecular techniques were used for bacterial isolation, characterization and classification of enterotoxigenic E. coli (ETEC) pathotypes. Statistical analysis was carried out to determine the frequency of virulence factors and virotypes, of fimbriae F4, F5, F6, F18, F41 and toxins LT, STa, STb and STx2e. Out of 456 E. coli isolates, 287 (62.9%) samples showed significant growth of E. coli. Among them, 194 (67.6%) samples showed at least one virulence factor, indicating that ETEC is an important etiological agent of diarrhea in weaned piglets. Higher frequencies were found of fimbria F4 and F18 and enterotoxins LT, STa and STb. Significant association was found to F4, LT, STa and STb; between F18 and STa and STx2e; between F5 and LT, STa and STb. The most frequent virotypes were F18-STa, F4-LT-STa-STb, F4-STa, F4-LT-STb and F18-STa-STx2e. Beta-hemolysis was observed in 47.4% of samples and there was significant association between hemolytic samples and virulence factors F4, F18, STa and STx2e. Regarding fecal consistency, there was significant association of liquid feces and F4 fimbria, STa toxin and virotypes F4-STa and F4-F5-LT-STa-STb. Since there was significant association of ETEC and liquid feces in nursery piglets, it is important to prioritize the sampling of liquid feces for the diagnosis etiologic cause of diarrhea.
650 $aDiarrhea
650 $aEnterotoxigenic Escherichia coli
650 $aPiglets
650 $aSwine
650 $aDiarreia
650 $aEscherichia Coli
650 $aSuíno
653 $aConsistência fecal
653 $aEnterotoxigênica
653 $aFatores de virulência
653 $aFecal consistency
653 $aVirulence factors
700 1 $aTAKEUTI, K. L.
700 1 $aANDRADE, M. R.
700 1 $aKOERICH, P. K. V.
700 1 $aTAGLIARI, V.
700 1 $aBERNARDI, M. L.
700 1 $aCARDOSO, M. R. I.
700 1 $aBARCELLOS, D. E. S. N.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 36, n. 4, p. 253-257, abr. 2016.
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Embrapa Unidades Centrais (AI-SEDE) |
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