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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
15/09/2022 |
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Data da última atualização: |
15/09/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GAZZONI, D. L. |
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Afiliação: |
DECIO LUIZ GAZZONI, CNPSO. |
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Título: |
Desafio vencido. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Cultivar grandes culturas, v. 22, n. 278, p. 05-08, jul. 2022. |
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Idioma: |
Português |
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Thesagro: |
Produtividade; Soja. |
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Thesaurus Nal: |
Soybeans. |
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Categoria do assunto: |
E Economia e Indústria Agrícola |
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Marc: |
LEADER 00385naa a2200145 a 4500
001 2146493
005 2022-09-15
008 2022 bl uuuu u00u1 u #d
100 1 $aGAZZONI, D. L.
245 $aDesafio vencido.$h[electronic resource]
260 $c2022
650 $aSoybeans
650 $aProdutividade
650 $aSoja
773 $tCultivar grandes culturas$gv. 22, n. 278, p. 05-08, jul. 2022.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
03/07/2017 |
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Data da última atualização: |
03/07/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
FANÉ, R.; KASSOGUÉ, A.; TRAORÉ, D.; DAO, S.; MAÏGA, K.; BAH, A.; VALICENTE, F. H.; BARBANA, A. H. |
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Afiliação: |
FERNANDO HERCOS VALICENTE, CNPMS. |
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Título: |
Molecular characterization and insecticidal activities of Malian native crystalliferous Bacillus thuringiensis. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
African Journal of Biotechnology, v. 16, n. 17, p. 983-988, 2017. |
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DOI: |
10.5897/AJB2017.15908 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to select the most active Bacillus thuringiensis (Bt) isolated from agricultural soils of Mali through the molecular characterization and the determination of insecticidal activities of the protein crystals, produced by these native isolates. Crystal proteins were extracted from B. thuringiensis culture, and characterized using the SDS-PAGE techniques. Their insecticidal activities were tested using third-instar larvae of Helicoverpa armigera in bioassay tests. The results showed that, of 62 B. thuringiensis treated, 52 isolates showed fragments varying between 10 and 140 kDa on 12% polyacrylamide gel. Cry1 and Cry2 protein crystals were recognized to be effective against Lepidoptera?s larvae, which were found in 21% of the tested isolates. In addition to these two expected crystal protein weights, other molecular weights were observed at different proportions, suggesting the presence of other cry genes in the local B. thuringiensis isolates. Four native B. thuringiensis isolates were able to kill 95 to 100% of H. armigera 3rd-instar larvae. Only one native of B. thuringiensis isolate was able to kill 100% of the H. armigera larvae. This is the first study for molecular characterization of Malian native B. thuringiensis isolates, showing the efficacy of the native B. thuringiensis against an important agricultural insect pest. |
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Thesagro: |
Bacteria; Controle biológico. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/161312/1/Molecular-characterization-1.pdf
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Marc: |
LEADER 02099naa a2200241 a 4500
001 2071896
005 2017-07-03
008 2017 bl uuuu u00u1 u #d
024 7 $a10.5897/AJB2017.15908$2DOI
100 1 $aFANÉ, R.
245 $aMolecular characterization and insecticidal activities of Malian native crystalliferous Bacillus thuringiensis.$h[electronic resource]
260 $c2017
520 $aThe objective of this work was to select the most active Bacillus thuringiensis (Bt) isolated from agricultural soils of Mali through the molecular characterization and the determination of insecticidal activities of the protein crystals, produced by these native isolates. Crystal proteins were extracted from B. thuringiensis culture, and characterized using the SDS-PAGE techniques. Their insecticidal activities were tested using third-instar larvae of Helicoverpa armigera in bioassay tests. The results showed that, of 62 B. thuringiensis treated, 52 isolates showed fragments varying between 10 and 140 kDa on 12% polyacrylamide gel. Cry1 and Cry2 protein crystals were recognized to be effective against Lepidoptera?s larvae, which were found in 21% of the tested isolates. In addition to these two expected crystal protein weights, other molecular weights were observed at different proportions, suggesting the presence of other cry genes in the local B. thuringiensis isolates. Four native B. thuringiensis isolates were able to kill 95 to 100% of H. armigera 3rd-instar larvae. Only one native of B. thuringiensis isolate was able to kill 100% of the H. armigera larvae. This is the first study for molecular characterization of Malian native B. thuringiensis isolates, showing the efficacy of the native B. thuringiensis against an important agricultural insect pest.
650 $aBacteria
650 $aControle biológico
700 1 $aKASSOGUÉ, A.
700 1 $aTRAORÉ, D.
700 1 $aDAO, S.
700 1 $aMAÏGA, K.
700 1 $aBAH, A.
700 1 $aVALICENTE, F. H.
700 1 $aBARBANA, A. H.
773 $tAfrican Journal of Biotechnology$gv. 16, n. 17, p. 983-988, 2017.
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