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| Registros recuperados : 3 | |
| 1. |  | SCHWERTNER, D. V.; WAGNER, J. F.; MATTIONI, T. C.; FONTANIVA, C.; BANDEIRA, T. P.; VIERA, R.; OLIVEIRA, J. M. de; SILVA, A. J. da; MAIXNER, A. R.; SILVA, J. A. G. da. Análise de trilha para componentes diretos do rendimento e parâmetro fisiológicos em girassol. In: REUNIÃO NACIONAL DE PESQUISA DO GIRASSOL, 18., SIMPÓSIO NACIONAL SOBRE A CULTURA DO GIRASSOL, 6., 2009. Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2009. p. 329-330. Editado por Ana Claudia Barneche de Oliveira, Ana Paula Afonso Scheneid da Rosa e Márcia Vizzotto.| Biblioteca(s): Embrapa Clima Temperado. |
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| 2. | | SCHWERTNER, D. V.; FONTANIVA, C.; BANDEIRA, T. P.; OLIVEIRA, J. M. de; VIERA, R.; MATTIONI, T. C.; CRESTANI, M.; QUADROS, V. J. de; KRÜGER, C. A. M. B.; SILVA, J. A. G. da. Correlação genética de caracteres de importância agronômica em girassol. In: REUNIÃO NACIONAL DE PESQUISA DO GIRASSOL, 18., SIMPÓSIO NACIONAL SOBRE A CULTURA DO GIRASSOL, 6., 2009. Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2009. p. 350-357. Editado por Ana Claudia Barneche de Oliveira, Ana Paula Afonso Scheneid da Rosa e Márcia Vizzotto.| Biblioteca(s): Embrapa Clima Temperado. |
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| 3. | | SCHWERTNER, D. V.; MATTIONI, T. C.; FONTANIVA, C.; BANDEIRA, T. P.; OLIVEIRA, J. M. de; VIERA, R.; ANTONOW, D.; GARCIA, D. C.; QUADROS, V. J. de; SILVA, J. A. G. da. Correlações que envolvem a curvatura de capítulo e número de folhas em girassol. In: REUNIÃO NACIONAL DE PESQUISA DO GIRASSOL, 18., SIMPÓSIO NACIONAL SOBRE A CULTURA DO GIRASSOL, 6., 2009. Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2009. p. 372-377. Editado por Ana Claudia Barneche de Oliveira, Ana Paula Afonso Scheneid da Rosa e Márcia Vizzotto.| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 3 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
27/10/2008 |
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Data da última atualização: |
24/05/2018 |
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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: |
FIGUEIREDO, J. E. F.; KALAPOTHAKIS, E.; GOMEZ, M. V.; BRESSAN, W. |
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Afiliação: |
JOSE EDSON FONTES FIGUEIREDO, CNPMS; E. Kalapothakis, UFMG; M. V. Gomez, UFMG; Wellington Bressan, CNPMS. |
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Título: |
Heterologous expression of an insecticidal gene from the armed spider (Phoneutria nigriventer). |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Journal of Venomous Animals and Toxins Including Tropical Diseases, v. 14, n. 2, p. 274-293, 2008. |
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DOI: |
10.1590/S1678-91992008000200006 |
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Idioma: |
Inglês |
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Conteúdo: |
Insect-pests are global problems that cause severe damage to crop plants, and their control is commonly based on chemical insecticides. However, negative effects of pesticides on the environment and human health emphasize the necessity to develop alternative methods for insect-pest control. In the present study, a gene coding for the insecticidal peptide TX4(6-1) of the Brazilian armed spider (Phoneutria nígriventer) was cloned in fusion with maltose binding protein (MBP) and expressed in Escherichía colí. The affinity purified protein MBP-GlyTX4 was cleaved with the Xa factor and used for a bioassay against Spodoptera frugíperda and rabbit immunization. Five micrograms GlyTX4 protein injected into the hemocoel of larvae and abdominal cavity of adults produced trembling and uncoordinated movements immediately afier injection and ali adult insects died afier 12h. Afier two days, larvae became paralyzed and the epidermal color changed to dark brown. Furthermore, the development stage was prolonged for two weeks. Altematively, si ices of maize leaves were imbibed with 15 micrograms of the recombinant protein cleaved with the Xa factor and used as diet for larvae. In this experiment, ali larvae died in about 30 minutes. Polyclonal antibodies anti-MBP-GlyTX4 were effective for recognizing MBP and GlyTX4 in whole cell extract from E. coli expressing the recombinant protein. |
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Palavras-Chave: |
Bioinsecticide; Heterologous expression. |
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Thesagro: |
Escherichia Coli; Spodoptera Frugiperda. |
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Thesaurus NAL: |
molecular cloning. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02160naa a2200229 a 4500
001 1491408
005 2018-05-24
008 2008 bl uuuu u00u1 u #d
024 7 $a10.1590/S1678-91992008000200006$2DOI
100 1 $aFIGUEIREDO, J. E. F.
245 $aHeterologous expression of an insecticidal gene from the armed spider (Phoneutria nigriventer).$h[electronic resource]
260 $c2008
520 $aInsect-pests are global problems that cause severe damage to crop plants, and their control is commonly based on chemical insecticides. However, negative effects of pesticides on the environment and human health emphasize the necessity to develop alternative methods for insect-pest control. In the present study, a gene coding for the insecticidal peptide TX4(6-1) of the Brazilian armed spider (Phoneutria nígriventer) was cloned in fusion with maltose binding protein (MBP) and expressed in Escherichía colí. The affinity purified protein MBP-GlyTX4 was cleaved with the Xa factor and used for a bioassay against Spodoptera frugíperda and rabbit immunization. Five micrograms GlyTX4 protein injected into the hemocoel of larvae and abdominal cavity of adults produced trembling and uncoordinated movements immediately afier injection and ali adult insects died afier 12h. Afier two days, larvae became paralyzed and the epidermal color changed to dark brown. Furthermore, the development stage was prolonged for two weeks. Altematively, si ices of maize leaves were imbibed with 15 micrograms of the recombinant protein cleaved with the Xa factor and used as diet for larvae. In this experiment, ali larvae died in about 30 minutes. Polyclonal antibodies anti-MBP-GlyTX4 were effective for recognizing MBP and GlyTX4 in whole cell extract from E. coli expressing the recombinant protein.
650 $amolecular cloning
650 $aEscherichia Coli
650 $aSpodoptera Frugiperda
653 $aBioinsecticide
653 $aHeterologous expression
700 1 $aKALAPOTHAKIS, E.
700 1 $aGOMEZ, M. V.
700 1 $aBRESSAN, W.
773 $tJournal of Venomous Animals and Toxins Including Tropical Diseases$gv. 14, n. 2, p. 274-293, 2008.
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