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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
05/11/2021 |
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Data da última atualização: |
10/02/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PIZETTA, C. S. R.; RIBEIRO, W. R.; FERREIRA, A. L.; MOURA, M. da C.; BONFIM, K.; PINHEIRO, P. V.; CABRAL, G. B.; ARAGÃO, F. J. L. |
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Afiliação: |
CAROLINA SENHORINHO RAMALHO PIZETTA, UNB; WILLIAM RAFAEL RIBEIRO, UFG; AMANDA LOPES FERREIRA, UFG; MATHEUS DA COSTA MOURA, UFG; KENNY BONFIM DE ARRUDA CARVALHO, Cenargen; PATRICIA VALLE PINHEIRO, CNPAF; GLAUCIA BARBOSA CABRAL, Cenargen; FRANCISCO JOSE LIMA ARAGAO, Cenargen. |
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Título: |
RNA interference-mediated tolerance to whitefly (Bemisia tabaci) in genetically engineered tomato. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Plant Cell, Tissue and Organ Culture, v. 148, p. 281-291, 2022. |
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ISSN: |
0167-6857 |
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DOI: |
https://doi.org/10.1007/s11240-021-02185-1 |
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Idioma: |
Inglês |
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Notas: |
Na publicação: Kenny Bonfim. |
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Conteúdo: |
Whitefly (Bemisia tabaci) is a polyphagous insect that causes huge damage in several horticultural crops, including tomato, by sucking nutrients from the phloem and transmitting viruses. Whiteflies are particularly difficult to manage and the use of chemicals remains the common practice, which causes the development of insecticidal resistance. Thus, there is considerable interest in the introduction of resistance to whitefly by classical and molecular breeding. Here, we explored the concept of using an RNA interference construct to silence a v-ATPase gene in whiteflies interacting with transgenic tomato plants that express siRNA molecules corresponding to a fragment from the B. tabaci vATPase. PCR analyses revealed the presence of both ΔATPase and nptII transgenes in all transgenic lines. siRNA expressing lines were challenged against whitefly and revealed a mortality rate of 57.1% in transgenic line 4.4.1, while in the control the mortality was 7.6%. Mortality of 2nd instar nymphs was higher on the transgenic plants and the development of 3rd instar nymphs was slightly longer than on the control plants. Although the attraction of insects was not significantly different between treatments, the number of eggs laid by the insects on the transgenic plants was significantly lower, compared to the controls. RT-qPCR revealed a decreased expression level of endogenous v-ATPase gene in whiteflies feeding on transgenic plants. No unexpected effect was observed on the non-target insects Myzus persicae or Tuta absoluta. Results presented here may form the foundation for the generation of elite tomato varieties resistant to whitefly, a devastating insect pest. MenosWhitefly (Bemisia tabaci) is a polyphagous insect that causes huge damage in several horticultural crops, including tomato, by sucking nutrients from the phloem and transmitting viruses. Whiteflies are particularly difficult to manage and the use of chemicals remains the common practice, which causes the development of insecticidal resistance. Thus, there is considerable interest in the introduction of resistance to whitefly by classical and molecular breeding. Here, we explored the concept of using an RNA interference construct to silence a v-ATPase gene in whiteflies interacting with transgenic tomato plants that express siRNA molecules corresponding to a fragment from the B. tabaci vATPase. PCR analyses revealed the presence of both ΔATPase and nptII transgenes in all transgenic lines. siRNA expressing lines were challenged against whitefly and revealed a mortality rate of 57.1% in transgenic line 4.4.1, while in the control the mortality was 7.6%. Mortality of 2nd instar nymphs was higher on the transgenic plants and the development of 3rd instar nymphs was slightly longer than on the control plants. Although the attraction of insects was not significantly different between treatments, the number of eggs laid by the insects on the transgenic plants was significantly lower, compared to the controls. RT-qPCR revealed a decreased expression level of endogenous v-ATPase gene in whiteflies feeding on transgenic plants. No unexpected effect was observed on the non-target ... Mostrar Tudo |
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Palavras-Chave: |
ATPase; Insect resistance; RNAi. |
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Thesagro: |
Bemisia Tabaci; Mosca Branca; Myzus Persicae; Planta Transgênica; Tomate; Tuta Absoluta. |
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Thesaurus Nal: |
Solanum lycopersicum; Tomatoes; Transgenic plants. |
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Categoria do assunto: |
--
O Insetos e Entomologia |
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Marc: |
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001 2135819
005 2022-02-10
008 2022 bl uuuu u00u1 u #d
022 $a0167-6857
024 7 $ahttps://doi.org/10.1007/s11240-021-02185-1$2DOI
100 1 $aPIZETTA, C. S. R.
245 $aRNA interference-mediated tolerance to whitefly (Bemisia tabaci) in genetically engineered tomato.$h[electronic resource]
260 $c2022
500 $aNa publicação: Kenny Bonfim.
520 $aWhitefly (Bemisia tabaci) is a polyphagous insect that causes huge damage in several horticultural crops, including tomato, by sucking nutrients from the phloem and transmitting viruses. Whiteflies are particularly difficult to manage and the use of chemicals remains the common practice, which causes the development of insecticidal resistance. Thus, there is considerable interest in the introduction of resistance to whitefly by classical and molecular breeding. Here, we explored the concept of using an RNA interference construct to silence a v-ATPase gene in whiteflies interacting with transgenic tomato plants that express siRNA molecules corresponding to a fragment from the B. tabaci vATPase. PCR analyses revealed the presence of both ΔATPase and nptII transgenes in all transgenic lines. siRNA expressing lines were challenged against whitefly and revealed a mortality rate of 57.1% in transgenic line 4.4.1, while in the control the mortality was 7.6%. Mortality of 2nd instar nymphs was higher on the transgenic plants and the development of 3rd instar nymphs was slightly longer than on the control plants. Although the attraction of insects was not significantly different between treatments, the number of eggs laid by the insects on the transgenic plants was significantly lower, compared to the controls. RT-qPCR revealed a decreased expression level of endogenous v-ATPase gene in whiteflies feeding on transgenic plants. No unexpected effect was observed on the non-target insects Myzus persicae or Tuta absoluta. Results presented here may form the foundation for the generation of elite tomato varieties resistant to whitefly, a devastating insect pest.
650 $aSolanum lycopersicum
650 $aTomatoes
650 $aTransgenic plants
650 $aBemisia Tabaci
650 $aMosca Branca
650 $aMyzus Persicae
650 $aPlanta Transgênica
650 $aTomate
650 $aTuta Absoluta
653 $aATPase
653 $aInsect resistance
653 $aRNAi
700 1 $aRIBEIRO, W. R.
700 1 $aFERREIRA, A. L.
700 1 $aMOURA, M. da C.
700 1 $aBONFIM, K.
700 1 $aPINHEIRO, P. V.
700 1 $aCABRAL, G. B.
700 1 $aARAGÃO, F. J. L.
773 $tPlant Cell, Tissue and Organ Culture$gv. 148, p. 281-291, 2022.
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Embrapa Arroz e Feijão (CNPAF) |
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| 5. |  | ARAGÃO, F. J. L. Introducción de características de interés en leguminosas por ingeniería genética. In: CONGRESO INTERNACIONAL - GRUPO BIOTECNOLOGÍA; SIMPOSIO NACIONAL DE BIOTECNOLOGIA - REDBIO ARGENTINA, 6.; ENCUENTRO TRINACIONAL REDBIO ARGENTINA - CHILE - URUGUAY, 2005, Buenos Aires, Argentina. Libro de resúmenes: biotecnología, herramienta clave para el crecimiento regional. [Buenos Aires]: REDBIO Argentina: Grupo Biotecnologia, 2005. p. 25.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 6. | | ARAGAO, F. J. L. Melhoramento do feijão para tolerância à seca via engenharia genética. In: SIMPÓSIO SOBRE TOLERÂNCIA À DEFICIÊNCIA HÍDRICA EM PLANTAS: ADAPTANDO AS CULTURAS AO CLIMA DO FUTURO, 2010, Goiânia. Trabalhos apresentados... Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2011. p. 112-113 (Embrapa Arroz e Feijão. Documentos, 265).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| Registros recuperados : 339 | |
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