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| Registros recuperados : 283 | |
| Registros recuperados : 283 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
04/02/2009 |
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Data da última atualização: |
22/07/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
ARAÚJO, F. R.; COSTA, C. M.; RAMOS, C. A. N.; FARIAS, T. A.; SOUZA, I. I.; F. de; MELO, E. S. P.; ELISEI, C.; ROSINHA, G. M. S.; SOARES, C. O.; FRAGOSO, S. P.; FONSECA, A. H. |
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Afiliação: |
Flábio Ribeiro Araújo, CNPGC; Cátia Marques da Costa, UFRRJ; Carlos Alberto do Nascimento Ramos, UFMS; Thaís Andrade Farias, bolsista CNPGC; Ingrid Ieda Fernando de Souza, , bolsista CNPGC; Elaine Silva Pádua de Melo, UFMS; Carina Elisei, bolsista CNPGC. |
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Título: |
IgG and IgG2 antibodies from cattle naturally infected with Anaplasma marginale recognize the recombinant vaccine candidate antigens VirB9, VirB10, and elongation factor-Tu. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 103, n. 2, p. 186-190, Mar., 2008. |
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Idioma: |
Inglês |
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Conteúdo: |
Anaplasma marginale is an important vector-borne rickettsia of ruminants in tropical and subtropical regions of the world. Immunization with purified outer membranes of this organism induces protection against acute anaplasmosis. Previous studies, with proteomic and genomic approach identified 21 proteins within the outer membrane immunogen in addition to previously characterized major surface protein1a-5 (MSP1a-5). Among the newly described proteins were VirB9, VirB10, and elongation factor-Tu (EF-Tu). VirB9, VirB10 are considered part of the type IV secretion system (TFSS), which mediates secretion or cell-to-cell transfer of macromolecules, proteins, or DNA-protein complexes in Gram-negative bacteria. EF-Tu can be located in the bacterial surface, mediating bacterial attachment to host cells, or in the bacterial cytoplasm for protein synthesis. However, the roles of VirB9, VirB10, and TFSS in A. marginale have not been defined. VirB9, VirB10, and EF-Tu have not been explored as vaccine antigens. In this study, we demonstrate that sera of cattle infected with A. marginale, with homologous or heterologous isolates recognize recombinant VirB9, VirB10, and EF-Tu. IgG2 from naturally infected cattle also reacts with these proteins. Recognition of epitopes by total IgG and by IgG2 from infected cattle with A. marginale support the inclusion of these proteins in recombinant vaccines against this rickettsia. |
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Palavras-Chave: |
Brasil; Proteína recombinante; Rio Grande do Norte; VirB10; VirB9. |
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Thesagro: |
Anaplasma Marginale; Anaplasmose; Anticorpo; Imunidade; Imunologia; Ruminante; Sanidade Animal; Vacina. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/38369/1/115.pdf
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Marc: |
LEADER 02630naa a2200409 a 4500
001 1326865
005 2011-07-22
008 2008 bl uuuu u00u1 u #d
100 1 $aARAÚJO, F. R.
245 $aIgG and IgG2 antibodies from cattle naturally infected with Anaplasma marginale recognize the recombinant vaccine candidate antigens VirB9, VirB10, and elongation factor-Tu.$h[electronic resource]
260 $c2008
520 $aAnaplasma marginale is an important vector-borne rickettsia of ruminants in tropical and subtropical regions of the world. Immunization with purified outer membranes of this organism induces protection against acute anaplasmosis. Previous studies, with proteomic and genomic approach identified 21 proteins within the outer membrane immunogen in addition to previously characterized major surface protein1a-5 (MSP1a-5). Among the newly described proteins were VirB9, VirB10, and elongation factor-Tu (EF-Tu). VirB9, VirB10 are considered part of the type IV secretion system (TFSS), which mediates secretion or cell-to-cell transfer of macromolecules, proteins, or DNA-protein complexes in Gram-negative bacteria. EF-Tu can be located in the bacterial surface, mediating bacterial attachment to host cells, or in the bacterial cytoplasm for protein synthesis. However, the roles of VirB9, VirB10, and TFSS in A. marginale have not been defined. VirB9, VirB10, and EF-Tu have not been explored as vaccine antigens. In this study, we demonstrate that sera of cattle infected with A. marginale, with homologous or heterologous isolates recognize recombinant VirB9, VirB10, and EF-Tu. IgG2 from naturally infected cattle also reacts with these proteins. Recognition of epitopes by total IgG and by IgG2 from infected cattle with A. marginale support the inclusion of these proteins in recombinant vaccines against this rickettsia.
650 $aAnaplasma Marginale
650 $aAnaplasmose
650 $aAnticorpo
650 $aImunidade
650 $aImunologia
650 $aRuminante
650 $aSanidade Animal
650 $aVacina
653 $aBrasil
653 $aProteína recombinante
653 $aRio Grande do Norte
653 $aVirB10
653 $aVirB9
700 1 $aCOSTA, C. M.
700 1 $aRAMOS, C. A. N.
700 1 $aFARIAS, T. A.
700 1 $aSOUZA, I. I.
700 1 $aF. de
700 1 $aMELO, E. S. P.
700 1 $aELISEI, C.
700 1 $aROSINHA, G. M. S.
700 1 $aSOARES, C. O.
700 1 $aFRAGOSO, S. P.
700 1 $aFONSECA, A. H.
773 $tMemórias do Instituto Oswaldo Cruz, Rio de Janeiro$gv. 103, n. 2, p. 186-190, Mar., 2008.
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Embrapa Gado de Corte (CNPGC) |
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