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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
05/12/2018 |
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Data da última atualização: |
05/12/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUZA, C. K.; OLDIGES, D. P.; POETA, A. P. S.; VAZ JÚNIOR, I. S.; SCHAEFER, R.; GAVA, D.; ZANELLA, J. R. C.; CANAL, C. W.; CORBELLINI, L. G. |
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Afiliação: |
CARINE KUNZLER DE SOUZA, UFRGS; DAIANE PATRICIA OLDIGES, UFRGS; ANA PAULA SERAFINI POETA, UFRGS; ITABAJARA DA SILVA VAZ JUNIOR, UFRGS; REJANE SCHAEFER, CNPSA; DANIELLE GAVA, CNPSA; JANICE REIS CIACCI ZANELLA, CNPSA; CLAUDIO WAGECK CANAL, UFRGS; LUIS GUSTAVO CORBELLINI, UFRGS. |
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Título: |
Serological surveillance and factors associated with influenza A virus in backyard pigs in Southern Brazil. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Zoonoses Public Health, p. 1-8, 2018. |
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DOI: |
10.1111/zph.12542 |
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Idioma: |
Inglês |
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Conteúdo: |
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. MenosAbstract: 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... Mostrar Tudo |
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Thesagro: |
Gripe; Imunização; Soro; Suíno. |
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Thesaurus Nal: |
Disease surveillance; Enzyme-linked immunosorbent assay; Influenza; Serology; Swine. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02751naa a2200337 a 4500
001 2100808
005 2018-12-05
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1111/zph.12542$2DOI
100 1 $aSOUZA, C. K.
245 $aSerological surveillance and factors associated with influenza A virus in backyard pigs in Southern Brazil.$h[electronic resource]
260 $c2018
520 $aAbstract: 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.
650 $aDisease surveillance
650 $aEnzyme-linked immunosorbent assay
650 $aInfluenza
650 $aSerology
650 $aSwine
650 $aGripe
650 $aImunização
650 $aSoro
650 $aSuíno
700 1 $aOLDIGES, D. P.
700 1 $aPOETA, A. P. S.
700 1 $aVAZ JÚNIOR, I. S.
700 1 $aSCHAEFER, R.
700 1 $aGAVA, D.
700 1 $aZANELLA, J. R. C.
700 1 $aCANAL, C. W.
700 1 $aCORBELLINI, L. G.
773 $tZoonoses Public Health, p. 1-8, 2018.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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| Registros recuperados : 11 | |
| 3. |  | RAMIRO, D. A.; TOMA-BRAGHINI, M.; PETITOT, A. -S.; MALUF, M. P.; FERNANDEZ, D. Use of leaf-disk technique for gene expression analysis of the coffee responses to Hemileia vastatrix Infection. In:INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 21., 2006, Montpellier, France. Table of contents... Montpellier, France: Association for Science and Information on Coffee, 2007. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Café. |
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| 4. | | ALBUQUERQUE, E. V. S.; LECOULS, A. C.; PETITOT, A. S.; GROSSI DE SÁ, M. F.; FERNANDEZ, D. Early resistance responses of coffee (coffea arabica) to root-knot nematode (Meloidogyne spp.) infection. In: INTERNATIONAL CONGRESS OF NEMATOLOGY, 5, 2008, Brisbane, Australia. Nematodes: 5ICN: down under. [S.l.]: Australasian Association of Nematologists, 2008. p. 128.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 7. | | VIDAL, L. de A.; GRYNBERG, P.; PETITOT, A.-S.; MOTA, A. P. Z.; TOGAWA, R. C.; FERNANDEZ, D.; FREIRE, E. V. S. A. Validação de sequências candidatas de silenciamento gênico de Meloidogyne Incognita. In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 10., 2019, Vitória, ES. Pesquisa, inovação e sustentabilidade dos cafés do Brasil. Brasília, DF: Embrapa Café, 2019.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 8. | | GROSSI-DE-SA, M.; PETITOT, A.-S.; XAVIER, D. A.; SÁ, M. E. L.; MEZZALIRA, I.; BENEVENTI, M. A.; MARTINS, N. F.; BAIMEY, H. K.; ALBUQUERQUE, E. V. S.; GROSSI-DE-SA, M. F.; FERNANDEZ, D. Rice susceptibility to root-knot nematodes is enhanced by the Meloidogyne incognita MSP18 effector gene. Planta, v. 250, n. 4, p. 1215-1227, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 9. | | BRESSO, E.; FERNANDEZ, D.; AMORA, D. X.; NOEL, P.; PETITOT, A.-S.; SA, M. E. L. de; ALBUQUERQUE, E. V. S.; DANCHIN, E. G. J.; MAIGRET, B.; MARTINS, N. F. A chemosensory GPCR as a potential target to control the Root-Knot Nematode Meloidogyne incognita parasitism in plants. Molecules, v. 24, n. 20, article 3798, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 10. | | VIDAL, L. DE A.; NASCIMENTO, E. F. M. B.; GRYNBERG, P.; TOGAWA, R. C.; MARANHÃO, A. Q.; MARTINS, N. F.; PETITOT, A.-S.; FERNANDEZ, D.; FREIRE, E. V. S. A. Transcriptomic analyses reveal the involvement of miraculin family genes in the incompatible interaction between Meloidogyne incognita and coffee (Coffea arabica L.). Physiological and Molecular Plant Pathology, 136, 102539, 2025.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 3 |
| Biblioteca(s): Embrapa Agroindústria Tropical; Embrapa Recursos Genéticos e Biotecnologia. |
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| 11. | | MOTA, A. P. Z.; FERNANDEZ, D.; ARRAES, F. B. M.; PETITOT, A.-S.; MELO, B. P. de; SA, M. E. L. de; GRYNBERG, P.; SARAIVA, M. A. P.; GUIMARAES, P. M.; BRASILEIRO, A. C. M.; ALBUQUERQUE, E. V. S.; DANCHIN, E. G. J.; GROSSI-DE-SA, M. F. Evolutionarily conserved plant genes responsive to root-knot nematodes identified by comparative genomics. Molecular Genetics and Genomics, v. 295, p. 1063-1078, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| Registros recuperados : 11 | |
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