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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
15/04/2024 |
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Data da última atualização: |
15/04/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SOUZA, T. A. de; NAKASU, E. Y. T.; VARGAS, J. R.; INOUE-NAGATA, A. K. |
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Afiliação: |
TADEU ARAÚJO DE SOUZA, UNIVERSIDADE DE BRASÍLIA; ERICH YUKIO TEMPEL NAKASU, CNPH; JONAS RAFAEL VARGAS, UNIVERSIDADE FEDERAL DE VIÇOSA; ALICE KAZUKO INOUE NAGATA, CNPH. |
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Título: |
Aplicação tópica de moléculas de RNA de fita dupla visando o gene do nucleocapsídeo confere proteção contra groundnut ringspost virus. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 53., Brasília, DF, 2023. Anais...Brasília, DF: Sociedade Brasileira de Fitopatologia, 2023. p. 704. |
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Idioma: |
Inglês |
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Conteúdo: |
Tropical application of double-stranded RNA molecules targeting the nucleocapside gene confers protection against groundnut ringspot virus. Groundnut ringspot virus (GRSV) is a devastating plant pathogen that causes huge crop losses worldwide. In Brazil, the disease is known as 'vira-cabeça do tomateiro', being particularly destructive to tomato plants. The control of this disease is frequently carried out by the use of resistant cultivars. However, due to the emergence of resistance-breaking strains, new disease management strategies are necessary. RNA interference-based approaches represent attractive and promising tools against viral infections in plants. Furthermore, non-transgenic and transgenic approaches by expression of double-stranded RNA (dsRNA) molecules homologous to genomic regions of viruses have been successfully developed for viral management. In this work, dsRNA molecules deriving from the nucleocapsid (N) gene sequence of GRSV were produced in vitro and topically applied onto tomato seedlings (cv. BRS Sena) to test for protection against the virus. |
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Palavras-Chave: |
Vira-cabeça do tomateiro. |
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Thesagro: |
Amendoim; Mancha Anelar; Manejo; Tomate; Vírus. |
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Thesaurus Nal: |
Groundnut ringspot virus; Tomatoes. |
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Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1163601/1/Aplicacao-topica.pdf
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Marc: |
LEADER 01933nam a2200241 a 4500
001 2163601
005 2024-04-15
008 2023 bl uuuu u00u1 u #d
100 1 $aSOUZA, T. A. de
245 $aAplicação tópica de moléculas de RNA de fita dupla visando o gene do nucleocapsídeo confere proteção contra groundnut ringspost virus.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 53., Brasília, DF, 2023. Anais...Brasília, DF: Sociedade Brasileira de Fitopatologia, 2023. p. 704.$c2023
520 $aTropical application of double-stranded RNA molecules targeting the nucleocapside gene confers protection against groundnut ringspot virus. Groundnut ringspot virus (GRSV) is a devastating plant pathogen that causes huge crop losses worldwide. In Brazil, the disease is known as 'vira-cabeça do tomateiro', being particularly destructive to tomato plants. The control of this disease is frequently carried out by the use of resistant cultivars. However, due to the emergence of resistance-breaking strains, new disease management strategies are necessary. RNA interference-based approaches represent attractive and promising tools against viral infections in plants. Furthermore, non-transgenic and transgenic approaches by expression of double-stranded RNA (dsRNA) molecules homologous to genomic regions of viruses have been successfully developed for viral management. In this work, dsRNA molecules deriving from the nucleocapsid (N) gene sequence of GRSV were produced in vitro and topically applied onto tomato seedlings (cv. BRS Sena) to test for protection against the virus.
650 $aGroundnut ringspot virus
650 $aTomatoes
650 $aAmendoim
650 $aMancha Anelar
650 $aManejo
650 $aTomate
650 $aVírus
653 $aVira-cabeça do tomateiro
700 1 $aNAKASU, E. Y. T.
700 1 $aVARGAS, J. R.
700 1 $aINOUE-NAGATA, A. K.
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Registro original: |
Embrapa Hortaliças (CNPH) |
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Registro |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
22/12/1999 |
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Data da última atualização: |
22/12/1999 |
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Autoria: |
MANTOVANI, G. L.; MATTOSO, L. H. C. |
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Afiliação: |
UFSCar-DEMa; EMBRAPA-CNPDIA. |
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Título: |
Conductive rubbery polyaniline blends. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY OF SYNTHETIC METALS, July-Aug. 1996, Snowbird, UT, Estados Unidos. Abstracts... Snowbird: Utah University, 1996. |
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Páginas: |
p.41. |
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Idioma: |
Inglês |
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Notas: |
Ref.P1.103. |
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Conteúdo: |
Electrical conductivity is highly desirable for employing thermoplastic rubbers-TR - in applications such as paints for corrosion protection and adhesives for conductive materials. We have succeeded in producing, from solution, conducting elastomeric blends of a TR, poly(styrene-ethylene/butylene-styrene) triblock copolymer, and polyaniline. Flexible, free-standing lustrous films obtained by casting polyaniline doped with camphor sulfonic acid were studied by ultraviolet-visible spectroscopy, conductivity measurements, cyclic voltammetry, thermogravimetric analysis, differential scanning calorimetry, dynamic mechanical thermal analysis, X-rays diffraction and electron scanning microscopy. Remarkably, they posses low percolation threshold reaching electrical conductivities up to 5S/cm for blends containing only 2.5% of the conducting polymer. The thermal analysis demonstrated that these blends exhibit no weigh loss up to temperatures as high as 250 Celsius degrees. Also, they present electrochemical activity similar to polyaniline. |
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Palavras-Chave: |
Blends; Conductive rubbery; Polyaniline. |
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Categoria do assunto: |
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Marc: |
LEADER 01648naa a2200193 a 4500
001 1027098
005 1999-12-22
008 1996 bl uuuu u00u1 u #d
100 1 $aMANTOVANI, G. L.
245 $aConductive rubbery polyaniline blends.
260 $c1996
300 $ap.41.
500 $aRef.P1.103.
520 $aElectrical conductivity is highly desirable for employing thermoplastic rubbers-TR - in applications such as paints for corrosion protection and adhesives for conductive materials. We have succeeded in producing, from solution, conducting elastomeric blends of a TR, poly(styrene-ethylene/butylene-styrene) triblock copolymer, and polyaniline. Flexible, free-standing lustrous films obtained by casting polyaniline doped with camphor sulfonic acid were studied by ultraviolet-visible spectroscopy, conductivity measurements, cyclic voltammetry, thermogravimetric analysis, differential scanning calorimetry, dynamic mechanical thermal analysis, X-rays diffraction and electron scanning microscopy. Remarkably, they posses low percolation threshold reaching electrical conductivities up to 5S/cm for blends containing only 2.5% of the conducting polymer. The thermal analysis demonstrated that these blends exhibit no weigh loss up to temperatures as high as 250 Celsius degrees. Also, they present electrochemical activity similar to polyaniline.
653 $aBlends
653 $aConductive rubbery
653 $aPolyaniline
700 1 $aMATTOSO, L. H. C.
773 $tIn: INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY OF SYNTHETIC METALS, July-Aug. 1996, Snowbird, UT, Estados Unidos. Abstracts... Snowbird: Utah University, 1996.
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Embrapa Instrumentação (CNPDIA) |
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