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 | Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
17/11/2004 |
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Data da última atualização: |
09/05/2022 |
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Autoria: |
NARDELLI-COSTA, J.; PANZITTA, F.; LAZZARI, B.; STELLA, A.; MARIANI, P.; CAETANO, A. R. |
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Título: |
Identificação e caracterização de SNPs em raças caprinas do norte da Itália. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE GENÉTICA, 50., 2004, Costão do Santinho, Florianópolis. Resumos... Ribeirão Preto: Sociedade Brasileira de Genética, 2004. |
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Páginas: |
p. 147 |
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ISBN: |
85-89109-04-6 |
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Idioma: |
Português |
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Palavras-Chave: |
Itália; SNPs. |
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Thesagro: |
Caprino; Conservação; Polimorfismo; Rebanho. |
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Thesaurus Nal: |
single nucleotide polymorphism. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00845nam a2200265 a 4500
001 1185329
005 2022-05-09
008 2004 bl uuuu u00u1 u #d
020 $a85-89109-04-6
100 1 $aNARDELLI-COSTA, J.
245 $aIdentificação e caracterização de SNPs em raças caprinas do norte da Itália.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE GENÉTICA, 50., 2004, Costão do Santinho, Florianópolis. Resumos... Ribeirão Preto: Sociedade Brasileira de Genética$c2004
300 $ap. 147
650 $asingle nucleotide polymorphism
650 $aCaprino
650 $aConservação
650 $aPolimorfismo
650 $aRebanho
653 $aItália
653 $aSNPs
700 1 $aPANZITTA, F.
700 1 $aLAZZARI, B.
700 1 $aSTELLA, A.
700 1 $aMARIANI, P.
700 1 $aCAETANO, A. R.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
08/02/2024 |
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Data da última atualização: |
08/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
CUNHA, T.; MIRANDA, M. P.; ZANARDI, O. Z.; MONNERAT, R.; MARQUES, J. P. R.; DORTA, S. O.; MACEDO, C. L.; MACHADO, M. A.; ASTUA, J. de F. |
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Afiliação: |
TATIANE CUNHA, UNIVERSIDADE DE SÃO PAULO; MARCELO P. MIRANDA, FUNDO DE DEFESA DA CITRICULTURA (FUNDECITRUS); ODIMAR Z. ZANARDI, INSTITUTO FEDERAL DE SANTA CATARINA; ROSE MONNERAT, EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA; JOÃO P.R. MARQUES, UNIVERSITY OF SÃO PAULO; SÍLVIA O. DORTA, UNIVERSIDADE DE SÃO PAULO; CRISTINA L. MACEDO, EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA; MARCOS A. MACHADO, CENTRO DE CITRICULTURA SYLVIO MOREIRA; JULIANA DE FREITAS ASTUA, CNPMF. |
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Título: |
Bacillus thuringiensis translocation in citrus scion/rootstock combinations and binding of cry toxins with the Asian citrus psyllid gut receptors. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Journal Pre-proof, Crop Protection, 2024. |
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Páginas: |
46 p. |
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DOI: |
https://doi.org/10.1016/j.cropro.2024.106593 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Bacillus thuringiensis (Bt) can be effective in controlling insect pests either in spray products or by their toxins expressed in transgenic crops. The discovery of Bt as endophytic in citrus opened new perspectives for the control of Diaphorina citri Kuwayama, the vector of the bacteria Candidatus Liberibacter spp. associated with Huanglongbing. In this study, the endophytic translocation of Bt in citrus seedlings (small and large plants) and in different scion-rootstock combinations were investigated. We also assessed the lethal concentration of D. citri nymphs caused by systemic Bt in citrus and, moreover, the binding of Cry toxins with the Asian citrus psyllid (ACP) gut receptors. Endophytic translocation of Bt in citrus seedlings and nursery trees was confirmed by colony isolation, PCR detection, and Btk-GFP microscopy analyses, which demonstrated that, after Bt inoculation into the substrate, the bacteria enter through lateral root emergence sites and are localized in stem xylem vessel elements. Mean lethal concentrations for D. citri third instar nymphs were 4.92 × 104 and 2.19 × 104 spores mL−1 for S1450 and S1302 strains, respectively. Nymphal mortality induced by the bacteria was higher in citrus seedlings than in citrus nursery trees. All Cry-toxins tested were able to bind to D. citri brush border membrane vesicles, suggesting the potential pathogenicity of Bt strains against psyllid. This study clearly demonstrates the penetration and Bt translocation in the xylem of small and large citrus plants and the potential of the bacteria to cause ACP nymphs mortality that fed on shoots from Bt-treated citrus. MenosAbstract: Bacillus thuringiensis (Bt) can be effective in controlling insect pests either in spray products or by their toxins expressed in transgenic crops. The discovery of Bt as endophytic in citrus opened new perspectives for the control of Diaphorina citri Kuwayama, the vector of the bacteria Candidatus Liberibacter spp. associated with Huanglongbing. In this study, the endophytic translocation of Bt in citrus seedlings (small and large plants) and in different scion-rootstock combinations were investigated. We also assessed the lethal concentration of D. citri nymphs caused by systemic Bt in citrus and, moreover, the binding of Cry toxins with the Asian citrus psyllid (ACP) gut receptors. Endophytic translocation of Bt in citrus seedlings and nursery trees was confirmed by colony isolation, PCR detection, and Btk-GFP microscopy analyses, which demonstrated that, after Bt inoculation into the substrate, the bacteria enter through lateral root emergence sites and are localized in stem xylem vessel elements. Mean lethal concentrations for D. citri third instar nymphs were 4.92 × 104 and 2.19 × 104 spores mL−1 for S1450 and S1302 strains, respectively. Nymphal mortality induced by the bacteria was higher in citrus seedlings than in citrus nursery trees. All Cry-toxins tested were able to bind to D. citri brush border membrane vesicles, suggesting the potential pathogenicity of Bt strains against psyllid. This study clearly demonstrates the penetration and Bt translocation ... Mostrar Tudo |
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Thesagro: |
Porta Enxerto; Translocação. |
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Thesaurus NAL: |
Brush border membrane vesicles; Citrus; Diaphorina citri; Endotoxins. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02611naa a2200313 a 4500
001 2161812
005 2024-02-08
008 2024 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.cropro.2024.106593$2DOI
100 1 $aCUNHA, T.
245 $aBacillus thuringiensis translocation in citrus scion/rootstock combinations and binding of cry toxins with the Asian citrus psyllid gut receptors.$h[electronic resource]
260 $c2024
300 $a46 p.
520 $aAbstract: Bacillus thuringiensis (Bt) can be effective in controlling insect pests either in spray products or by their toxins expressed in transgenic crops. The discovery of Bt as endophytic in citrus opened new perspectives for the control of Diaphorina citri Kuwayama, the vector of the bacteria Candidatus Liberibacter spp. associated with Huanglongbing. In this study, the endophytic translocation of Bt in citrus seedlings (small and large plants) and in different scion-rootstock combinations were investigated. We also assessed the lethal concentration of D. citri nymphs caused by systemic Bt in citrus and, moreover, the binding of Cry toxins with the Asian citrus psyllid (ACP) gut receptors. Endophytic translocation of Bt in citrus seedlings and nursery trees was confirmed by colony isolation, PCR detection, and Btk-GFP microscopy analyses, which demonstrated that, after Bt inoculation into the substrate, the bacteria enter through lateral root emergence sites and are localized in stem xylem vessel elements. Mean lethal concentrations for D. citri third instar nymphs were 4.92 × 104 and 2.19 × 104 spores mL−1 for S1450 and S1302 strains, respectively. Nymphal mortality induced by the bacteria was higher in citrus seedlings than in citrus nursery trees. All Cry-toxins tested were able to bind to D. citri brush border membrane vesicles, suggesting the potential pathogenicity of Bt strains against psyllid. This study clearly demonstrates the penetration and Bt translocation in the xylem of small and large citrus plants and the potential of the bacteria to cause ACP nymphs mortality that fed on shoots from Bt-treated citrus.
650 $aBrush border membrane vesicles
650 $aCitrus
650 $aDiaphorina citri
650 $aEndotoxins
650 $aPorta Enxerto
650 $aTranslocação
700 1 $aMIRANDA, M. P.
700 1 $aZANARDI, O. Z.
700 1 $aMONNERAT, R.
700 1 $aMARQUES, J. P. R.
700 1 $aDORTA, S. O.
700 1 $aMACEDO, C. L.
700 1 $aMACHADO, M. A.
700 1 $aASTUA, J. de F.
773 $tJournal Pre-proof, Crop Protection, 2024.
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