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 | Acesso ao texto completo restrito à biblioteca da Embrapa Tabuleiros Costeiros. Para informações adicionais entre em contato com cpatc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
16/11/2017 |
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Data da última atualização: |
16/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SENA FILHO, J. G. de; BARRETO, I. C.; SOARES FILHO, A. O.; NOGUEIRA, P. C. L.; TEODORO, A. V.; MUNIZ, A. V. C. da S.; XAVIER, H. S.; RABBANI, A. R. C.; SPAKOWICZ, D.; DURINGER, J. M. |
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Afiliação: |
JOSE GUEDES DE SENA FILHO, CPATC; IGHOR C. BARRETO; AVALDO O. SOARES FILHO; PAULO C. L. NOGUEIRA; ADENIR VIEIRA TEODORO, CPATC; ANA VERUSKA CRUZ DA SILVA MUNIZ, CPATC; HAROUDO S. XAVIER; ALLIVIA R. C. RABBANI; DANIEL J. SPAKOWICZ; JENNIFER M. DURINGER. |
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Título: |
Volatile metabolomic composition of Vitex Species: chemodiversity insights and acaricidal activity. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Frontiers in Plant Science, v. 8, nov. 2017. |
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Idioma: |
Inglês |
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Conteúdo: |
The Vitex genus (Lamiaceae) produces a plethora of metabolites that include ecdysteroids and terpenoids, some of which have demonstrated insect repellent properties.The volatile composition of several members of this genus has not been chemically defined, as many taxa are endemic to remote ecosystems. In this study, leaves were collected from the northeast of Brazil from Vitex capitata, V. megapotamica, V. gardneriana, and V. rufescens plants and examined for their chemical profile via GC-MS/FID of essential oil extracts. The analyses showed a diversity of terpenoids. Of particular note were seven-member ring sesquiterpenes which were present in great abundance; a dendrogram showed clades separating by the production of bicyclogermacrene, aromadendrane and, 10-cycloaromadendrane sesquiterpenoids for the four species. Comparison of volatile metabolite profiles to 13 other Vitex species showed strong similarities in the production of some monoterpenes, but varied by their production of larger terpenes, especially those with gem-dimethylcyclopropyl subunits on seven-member ring compounds. From this work, we suggest that the sesquiterpene skeleton with seven member rings is a good chemosystematic biomarker candidate for the Vitex genus. Separation using this biomarker was then validated using Inter-Simple Sequence Repeat profiling. Lastly, experiments examining the toxicity of these four oils against the coconut mite Aceria guerreronis showed that only the oil of V. gardneriana had strong acaricidal activity, with an LC 50 of 0.85 mg/mL, thus demonstrating its potential for use as a natural pesticide. MenosThe Vitex genus (Lamiaceae) produces a plethora of metabolites that include ecdysteroids and terpenoids, some of which have demonstrated insect repellent properties.The volatile composition of several members of this genus has not been chemically defined, as many taxa are endemic to remote ecosystems. In this study, leaves were collected from the northeast of Brazil from Vitex capitata, V. megapotamica, V. gardneriana, and V. rufescens plants and examined for their chemical profile via GC-MS/FID of essential oil extracts. The analyses showed a diversity of terpenoids. Of particular note were seven-member ring sesquiterpenes which were present in great abundance; a dendrogram showed clades separating by the production of bicyclogermacrene, aromadendrane and, 10-cycloaromadendrane sesquiterpenoids for the four species. Comparison of volatile metabolite profiles to 13 other Vitex species showed strong similarities in the production of some monoterpenes, but varied by their production of larger terpenes, especially those with gem-dimethylcyclopropyl subunits on seven-member ring compounds. From this work, we suggest that the sesquiterpene skeleton with seven member rings is a good chemosystematic biomarker candidate for the Vitex genus. Separation using this biomarker was then validated using Inter-Simple Sequence Repeat profiling. Lastly, experiments examining the toxicity of these four oils against the coconut mite Aceria guerreronis showed that only the oil of V. gardneriana ... Mostrar Tudo |
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Palavras-Chave: |
Essential oil. |
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Thesagro: |
Folha; Óleo essencial. |
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Thesaurus Nal: |
Vitex. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02424naa a2200277 a 4500
001 2079787
005 2017-11-16
008 2017 bl uuuu u00u1 u #d
100 1 $aSENA FILHO, J. G. de
245 $aVolatile metabolomic composition of Vitex Species$bchemodiversity insights and acaricidal activity.$h[electronic resource]
260 $c2017
520 $aThe Vitex genus (Lamiaceae) produces a plethora of metabolites that include ecdysteroids and terpenoids, some of which have demonstrated insect repellent properties.The volatile composition of several members of this genus has not been chemically defined, as many taxa are endemic to remote ecosystems. In this study, leaves were collected from the northeast of Brazil from Vitex capitata, V. megapotamica, V. gardneriana, and V. rufescens plants and examined for their chemical profile via GC-MS/FID of essential oil extracts. The analyses showed a diversity of terpenoids. Of particular note were seven-member ring sesquiterpenes which were present in great abundance; a dendrogram showed clades separating by the production of bicyclogermacrene, aromadendrane and, 10-cycloaromadendrane sesquiterpenoids for the four species. Comparison of volatile metabolite profiles to 13 other Vitex species showed strong similarities in the production of some monoterpenes, but varied by their production of larger terpenes, especially those with gem-dimethylcyclopropyl subunits on seven-member ring compounds. From this work, we suggest that the sesquiterpene skeleton with seven member rings is a good chemosystematic biomarker candidate for the Vitex genus. Separation using this biomarker was then validated using Inter-Simple Sequence Repeat profiling. Lastly, experiments examining the toxicity of these four oils against the coconut mite Aceria guerreronis showed that only the oil of V. gardneriana had strong acaricidal activity, with an LC 50 of 0.85 mg/mL, thus demonstrating its potential for use as a natural pesticide.
650 $aVitex
650 $aFolha
650 $aÓleo essencial
653 $aEssential oil
700 1 $aBARRETO, I. C.
700 1 $aSOARES FILHO, A. O.
700 1 $aNOGUEIRA, P. C. L.
700 1 $aTEODORO, A. V.
700 1 $aMUNIZ, A. V. C. da S.
700 1 $aXAVIER, H. S.
700 1 $aRABBANI, A. R. C.
700 1 $aSPAKOWICZ, D.
700 1 $aDURINGER, J. M.
773 $tFrontiers in Plant Science$gv. 8, nov. 2017.
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| 2. |  | SALES, M. F. L. Os dez passos da ensilagem. In: PASTA do produtor de leite acreano: tecnologias para a sustentabilidade da pecuária leiteira. Rio Branco: Embrapa Acre, 2008. 12 folders. Folder 12.| Tipo: Folder/Folheto/Cartilha |
| Biblioteca(s): Embrapa Acre. |
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| 4. | | VASCONCELOS, J. M.; SALES, M. F. L. Avaliação do desempenho produtivo de bovinos de corte, em pastos puros e consorciados com o amendoim forrageiro cultivar Mandobi, no Acre. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA PIBIC/PIBITI DA EMBRAPA ACRE, 1., 2013, Rio Branco, AC. Anais... Rio Branco, AC: Embrapa Acre, 2013. 6 p.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Acre. |
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| 15. | | SALES, M. F. L.; CRUZ, A. G.; LOPES, D. R. de O.; MENZEL, R. R. Mistura mineral ou suplemento mineral proteinado de baixo consumo na época seca? In: SEMINÁRIO DA EMBRAPA ACRE DE INICIAÇÃO CIENTÍFICA E PÓS-GRADUAÇÃO, 7., 2024, Rio Branco, AC. Pesquisa e bioeconomia no Acre: anais [...]. Rio Branco, AC: Embrapa Acre, 2025. p. 92-95. Poster. (Embrapa Acre. Eventos técnicos & científicos, 7).| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Acre. |
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| Registros recuperados : 102 | |
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