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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
15/03/2022 |
Data da última atualização: |
22/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
NASCIMENTO, P. T.; FADINI, M. A. M.; ROCHA, M S.; SOUZA, C. S. F.; BARROS, B. de A.; MELO, J. O. F.; VON PINHO, R. G.; VALICENTE, F. H. |
Afiliação: |
Universidade Federal de Lavras; Universidade Federal de São João del-Rei; Universidade Federal de São João del-Rei; Universidade Federal de Lavras; BEATRIZ DE ALMEIDA BARROS, CNPMS; Universidade Federal de São João del-Rei; Universidade Federal de Lavras; FERNANDO HERCOS VALICENTE, CNPMS. |
Título: |
Olfactory response of Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) to volatiles induced by transgenic maize. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Bulletin of Entomological Research, v. 111, p. 674-687, 2021. |
DOI: |
https://doi.org/10.1017/S0007485321000341 |
Idioma: |
Inglês |
Conteúdo: |
Plants not only respond to herbivorous damage but adjust their defense system afteregg deposition by pest insects. Thereby, parasitoids use oviposition-induced plant volatiles to locate their hosts. We investigated the olfactory behavioral responses of Trichogramma pretiosum Riley, 1879 (Hymenoptera: Trichogrammatidae) to volatile blends emitted by maize (Zea mays L.) with singular and stacked events after oviposition by Spodoptera frugiperda Smith, 1797 (Hymenoptera: Trichogrammatidae) moths. Additionally, we examined possible variations in gene expression and on oviposition-induced volatiles. We used a Y-tube olfactometer to test for the wasp responses to volatiles released by maize plants oviposited by S. frugiperda and not-oviposited plants. Using the real-time PCR technique (qRT-PCR), we analyzed the expression of lipoxygenase and three terpene synthases genes, which are enzymes involved in the synthesis of volatile compounds that attract parasitoids of S. frugiperda. Olfactometer tests showed that T. pretiosum is strongly attracted by volatiles from transgenic maize emitted by S. frugiperda oviposition (VTPRO 3, more than 75% individuals were attracted). The relative expression of genes TPS10, LOX e STC was higher in transgenic hybrids than in the conventional (isogenic line) hybrids. The GC-MS analysis revealed that some volatile compounds are released exclusively by transgenic maize. This study provides evidence that transgenic hybrids enhanced chemical cues under oviposition-induction and helped to increase T. pretiosum efficiency in S. frugiperda control. This finding shows that among the evaluated hybrids, genetically modified hybrids can improve the biological control programs, since they potentialize the egg parasitoid foraging, integrating pest management. MenosPlants not only respond to herbivorous damage but adjust their defense system afteregg deposition by pest insects. Thereby, parasitoids use oviposition-induced plant volatiles to locate their hosts. We investigated the olfactory behavioral responses of Trichogramma pretiosum Riley, 1879 (Hymenoptera: Trichogrammatidae) to volatile blends emitted by maize (Zea mays L.) with singular and stacked events after oviposition by Spodoptera frugiperda Smith, 1797 (Hymenoptera: Trichogrammatidae) moths. Additionally, we examined possible variations in gene expression and on oviposition-induced volatiles. We used a Y-tube olfactometer to test for the wasp responses to volatiles released by maize plants oviposited by S. frugiperda and not-oviposited plants. Using the real-time PCR technique (qRT-PCR), we analyzed the expression of lipoxygenase and three terpene synthases genes, which are enzymes involved in the synthesis of volatile compounds that attract parasitoids of S. frugiperda. Olfactometer tests showed that T. pretiosum is strongly attracted by volatiles from transgenic maize emitted by S. frugiperda oviposition (VTPRO 3, more than 75% individuals were attracted). The relative expression of genes TPS10, LOX e STC was higher in transgenic hybrids than in the conventional (isogenic line) hybrids. The GC-MS analysis revealed that some volatile compounds are released exclusively by transgenic maize. This study provides evidence that transgenic hybrids enhanced chemical cues under ov... Mostrar Tudo |
Palavras-Chave: |
Egg parasitoid; Empilhamento de características; Genetic manipulation; Interação tritrófica; Manipulação genética; Parasitóide de ovo; QRT-PCR; Trait stacking; Tritrophic interaction. |
Thesagro: |
Inseto Para Controle Biológico; Milho; Planta Transgênica; Trichogramma sp. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02982naa a2200373 a 4500 001 2140915 005 2023-03-22 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1017/S0007485321000341$2DOI 100 1 $aNASCIMENTO, P. T. 245 $aOlfactory response of Trichogramma pretiosum (Hymenoptera$bTrichogrammatidae) to volatiles induced by transgenic maize.$h[electronic resource] 260 $c2021 520 $aPlants not only respond to herbivorous damage but adjust their defense system afteregg deposition by pest insects. Thereby, parasitoids use oviposition-induced plant volatiles to locate their hosts. We investigated the olfactory behavioral responses of Trichogramma pretiosum Riley, 1879 (Hymenoptera: Trichogrammatidae) to volatile blends emitted by maize (Zea mays L.) with singular and stacked events after oviposition by Spodoptera frugiperda Smith, 1797 (Hymenoptera: Trichogrammatidae) moths. Additionally, we examined possible variations in gene expression and on oviposition-induced volatiles. We used a Y-tube olfactometer to test for the wasp responses to volatiles released by maize plants oviposited by S. frugiperda and not-oviposited plants. Using the real-time PCR technique (qRT-PCR), we analyzed the expression of lipoxygenase and three terpene synthases genes, which are enzymes involved in the synthesis of volatile compounds that attract parasitoids of S. frugiperda. Olfactometer tests showed that T. pretiosum is strongly attracted by volatiles from transgenic maize emitted by S. frugiperda oviposition (VTPRO 3, more than 75% individuals were attracted). The relative expression of genes TPS10, LOX e STC was higher in transgenic hybrids than in the conventional (isogenic line) hybrids. The GC-MS analysis revealed that some volatile compounds are released exclusively by transgenic maize. This study provides evidence that transgenic hybrids enhanced chemical cues under oviposition-induction and helped to increase T. pretiosum efficiency in S. frugiperda control. This finding shows that among the evaluated hybrids, genetically modified hybrids can improve the biological control programs, since they potentialize the egg parasitoid foraging, integrating pest management. 650 $aInseto Para Controle Biológico 650 $aMilho 650 $aPlanta Transgênica 650 $aTrichogramma sp 653 $aEgg parasitoid 653 $aEmpilhamento de características 653 $aGenetic manipulation 653 $aInteração tritrófica 653 $aManipulação genética 653 $aParasitóide de ovo 653 $aQRT-PCR 653 $aTrait stacking 653 $aTritrophic interaction 700 1 $aFADINI, M. A. M. 700 1 $aROCHA, M S. 700 1 $aSOUZA, C. S. F. 700 1 $aBARROS, B. de A. 700 1 $aMELO, J. O. F. 700 1 $aVON PINHO, R. G. 700 1 $aVALICENTE, F. H. 773 $tBulletin of Entomological Research$gv. 111, p. 674-687, 2021.
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Embrapa Milho e Sorgo (CNPMS) |
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Registro Completo
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
05/02/2018 |
Data da última atualização: |
05/02/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
JOB, R. B.; PEDROSO, C. E. da S.; BEVILAQUA, G. A. P.; OLANDA, G. B. de; PINHEIRO, R. A. |
Afiliação: |
Ricardo Batista Job; Carlos Eduardo da Silva Pedroso; GILBERTO ANTONIO P BEVILAQUA, CPACT; Gabriela Berguenmaier de Olanda; Régis Araújo Pinheiro. |
Título: |
Aderência do pó de basalto à sementes de feijão miúdo utilizando como adesivo cola PVA. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
ENCICLOPÉDIA BIOSFERA, Centro Científico Conhecer - Goiânia, v.14 n.26; p. 1-12, 2017. |
Idioma: |
Português |
Palavras-Chave: |
Acetato de polivinila; Agromineral; Pó de rocha. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/172167/1/Gilberto-Bevilaqua-aderencia-do-po.pdf
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Marc: |
LEADER 00641naa a2200193 a 4500 001 2087075 005 2018-02-05 008 2017 bl uuuu u00u1 u #d 100 1 $aJOB, R. B. 245 $aAderência do pó de basalto à sementes de feijão miúdo utilizando como adesivo cola PVA.$h[electronic resource] 260 $c2017 653 $aAcetato de polivinila 653 $aAgromineral 653 $aPó de rocha 700 1 $aPEDROSO, C. E. da S. 700 1 $aBEVILAQUA, G. A. P. 700 1 $aOLANDA, G. B. de 700 1 $aPINHEIRO, R. A. 773 $tENCICLOPÉDIA BIOSFERA, Centro Científico Conhecer - Goiânia$gv.14 n.26; p. 1-12, 2017.
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