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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: |
16/12/2009 |
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Data da última atualização: |
07/07/2025 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
MILLER, R. N. G.; BERTIOLI, D. J.; BAURENS, F. C.; QUIRINO, B. F.; CIAMPI, A. Y.; SANTOS, C. M. R.; MARTINS, N. F.; SOUZA JUNIOR, M. T.; PAPPAS JUNIOR, G. J. |
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Afiliação: |
UCB; UCB; CIRAD/UMR DAP; UCB; ANA YAMAGUISHI CIAMPI, CENARGEN; CANDICE MELLO ROMERO SANTOS; NATALIA FLORENCIO MARTINS, CENARGEN; MANOEL TEIXEIRA SOUZA JUNIOR, LABEX EUROPA; UCB. |
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Título: |
Understanding plant responses to biotic stress: ongoing research in Musa. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Acta Horticulturae, Leuven, n. 828, p. 255-271, 2009. |
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Descrição Física: |
Edição de Proceedings of the International Symposium on Recent Advances in Banana Crop Protection for Sustainable Production and Improved Livelihoods , White River, South Africa, 2009. |
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Idioma: |
Inglês |
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Conteúdo: |
Commercial banana cultivars developed from wild species of M. acuminata Colla (A genome) and M. balbisiana Colla (B genome). Whilst wild species are generally seminiferous and fertile, many commercial cultivars are sterile with fruit development resulting from parthenocarpy. As cultivated banana is propagated asexually, its genetic base is narrow with diversity dependent on somatic mutation. Limited genetic variation has resulted in a crop lacking resistance to fungal, bacterial and viral pathogens and numerous pests. Commercial production is often heavily reliant upon agrochemical input. Increased understanding of responses in Musa to biotic stresses will provide new opportunities for genetic improvement. Research is ongoing in characterisation of candidate genes involved in responses to biotic stresses, with groups characterising diverse resistance gene analogs (RGAs) across cultivars and utilising EST approaches for candidate gene discovery. Within our labs, gene discovery is ongoing via analysis of EST data from cDNA libraries produced from Mycosphaerella fijiensis-infected leaf material from M. acuminata ssp. burmannicoides ‘Calcutta 4’ (resistant) and ‘Grande Naine’ (AAA genome, susceptible). A large-scale analysis of NBS-LRR RGAs was also conducted in ‘Calcutta 4’, with polymorphic genetic markers included on a reference map under development at CIRAD. Co-localisation of any RGA markers with QTLs for disease resistance will enable application in marker-assisted selection, facilitating phenotyping for defined traits, such as pest and disease resistance. RGA probes were applied to ‘Calcutta 4’, ‘Grande Naine’ and M. balbisiana ‘Pisang Klutuk Wulung’ BAC libraries revealing numerous putative resistance loci. Shotgun sequencing will provide insight into organisation and evolution of NBS-LRR class R genes in Musa. MenosCommercial banana cultivars developed from wild species of M. acuminata Colla (A genome) and M. balbisiana Colla (B genome). Whilst wild species are generally seminiferous and fertile, many commercial cultivars are sterile with fruit development resulting from parthenocarpy. As cultivated banana is propagated asexually, its genetic base is narrow with diversity dependent on somatic mutation. Limited genetic variation has resulted in a crop lacking resistance to fungal, bacterial and viral pathogens and numerous pests. Commercial production is often heavily reliant upon agrochemical input. Increased understanding of responses in Musa to biotic stresses will provide new opportunities for genetic improvement. Research is ongoing in characterisation of candidate genes involved in responses to biotic stresses, with groups characterising diverse resistance gene analogs (RGAs) across cultivars and utilising EST approaches for candidate gene discovery. Within our labs, gene discovery is ongoing via analysis of EST data from cDNA libraries produced from Mycosphaerella fijiensis-infected leaf material from M. acuminata ssp. burmannicoides ‘Calcutta 4’ (resistant) and ‘Grande Naine’ (AAA genome, susceptible). A large-scale analysis of NBS-LRR RGAs was also conducted in ‘Calcutta 4’, with polymorphic genetic markers included on a reference map under development at CIRAD. Co-localisation of any RGA markers with QTLs for disease resistance will enable application in marker-assisted select... Mostrar Tudo |
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Palavras-Chave: |
Disease resistance gene; EST; Leucine Rich Repeat (LRR); Nucleotide Binding Site (NBS); Plant defense; RGA. |
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Thesagro: |
Banana. |
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Thesaurus Nal: |
Musa. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02938nam a2200313 a 4500
001 1578190
005 2025-07-07
008 2009 bl uuuu u00u1 u #d
100 1 $aMILLER, R. N. G.
245 $aUnderstanding plant responses to biotic stress$bongoing research in Musa.$h[electronic resource]
260 $aActa Horticulturae, Leuven, n. 828, p. 255-271, 2009.$c2009
300 $cEdição de Proceedings of the International Symposium on Recent Advances in Banana Crop Protection for Sustainable Production and Improved Livelihoods , White River, South Africa, 2009.
520 $aCommercial banana cultivars developed from wild species of M. acuminata Colla (A genome) and M. balbisiana Colla (B genome). Whilst wild species are generally seminiferous and fertile, many commercial cultivars are sterile with fruit development resulting from parthenocarpy. As cultivated banana is propagated asexually, its genetic base is narrow with diversity dependent on somatic mutation. Limited genetic variation has resulted in a crop lacking resistance to fungal, bacterial and viral pathogens and numerous pests. Commercial production is often heavily reliant upon agrochemical input. Increased understanding of responses in Musa to biotic stresses will provide new opportunities for genetic improvement. Research is ongoing in characterisation of candidate genes involved in responses to biotic stresses, with groups characterising diverse resistance gene analogs (RGAs) across cultivars and utilising EST approaches for candidate gene discovery. Within our labs, gene discovery is ongoing via analysis of EST data from cDNA libraries produced from Mycosphaerella fijiensis-infected leaf material from M. acuminata ssp. burmannicoides ‘Calcutta 4’ (resistant) and ‘Grande Naine’ (AAA genome, susceptible). A large-scale analysis of NBS-LRR RGAs was also conducted in ‘Calcutta 4’, with polymorphic genetic markers included on a reference map under development at CIRAD. Co-localisation of any RGA markers with QTLs for disease resistance will enable application in marker-assisted selection, facilitating phenotyping for defined traits, such as pest and disease resistance. RGA probes were applied to ‘Calcutta 4’, ‘Grande Naine’ and M. balbisiana ‘Pisang Klutuk Wulung’ BAC libraries revealing numerous putative resistance loci. Shotgun sequencing will provide insight into organisation and evolution of NBS-LRR class R genes in Musa.
650 $aMusa
650 $aBanana
653 $aDisease resistance gene
653 $aEST
653 $aLeucine Rich Repeat (LRR)
653 $aNucleotide Binding Site (NBS)
653 $aPlant defense
653 $aRGA
700 1 $aBERTIOLI, D. J.
700 1 $aBAURENS, F. C.
700 1 $aQUIRINO, B. F.
700 1 $aCIAMPI, A. Y.
700 1 $aSANTOS, C. M. R.
700 1 $aMARTINS, N. F.
700 1 $aSOUZA JUNIOR, M. T.
700 1 $aPAPPAS JUNIOR, G. J.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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| 1. |  | MEDEIROS, S. R. de. Apps da Embrapa. ScotConsultoria, Artigos, 27 nov. 2019. 3 p. Acesso: <https://www.scotconsultoria.com.br/noticias/artigos/51584/apps-da-embrapa.htm>.| Tipo: Artigo de Divulgação na Mídia |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 2. | | MEDEIROS, S. R. de. O ABC da prosperidade pecuária. ScotConsultoria, Artigos, 17 jan. 2019. 3 p. Acesso: <https://www.scotconsultoria.com.br/noticias/cartas/49970/carta-gestor---o-abc-da-prosperidade-pecuaria.htm>.| Tipo: Artigo de Divulgação na Mídia |
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