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Registro Completo |
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
04/05/2016 |
Data da última atualização: |
05/05/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
ARAUJO, L.; SOARES, J. M.; FILIPPI, M. C. C. de; RODRIGUES, F. A. |
Afiliação: |
LEONARDO ARAUJO, UFV; JULIANA MOREIRA SOARES, UFV; MARTA CRISTINA CORSI DE FILIPPI, CNPAF; FABRÍCIO ÁVILA RODRIGUES, UFV. |
Título: |
Cytological aspects of incompatible and compatible interactions between rice, wheat and the blast pathogen Pyricularia oryzae. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 73, n. 2, p. 177-183, mar./abr. 2016. |
DOI: |
10.1590/0103-9016-2015-0169 |
Idioma: |
Inglês |
Conteúdo: |
Blast, caused by the fungus Pyricularia oryzae, is an important disease affecting rice and wheat yield worldwide. This study investigated the cytological aspects of incompatible (non-host resistance) and compatible (host resistance) rice- (R_Po) and wheat- (W_Po) Pyricularia oryzae isolate interactions. Inoculations of rice and wheat with the R_Po and W_Po isolates of P. oryzae, respectively, were expected to be compatible interactions (host resistance), whereas inoculations of rice and wheat with the W_Po and R_Po isolates of P. oryzae, respectively, were considered to be incompatible interactions (non-host resistance). For the compatible interactions (rice-R_Po and wheat-W_Po), fungal hyphae penetrated and colonized the epidermal cells and also invaded many neighboring cells. By contrast, in the case of the incompatible interactions (rice-W_Po and wheat-R_Po), fungal hyphae were not able to penetrate nor colonize the epidermal cells, but when penetration did occur, the hyphae were restricted to the first-invaded epidermal cell. The frequency of appressorial sites exhibiting infection hyphae within the epidermal cell underlying an appressorium was greater in the case of the compatible interactions. By contrast, unsuccessful penetrations with cytoplasmic granulation occurred with high frequency in the incompatible wheat-R_Po and rice-W_Po interactions and the number of necrotic epidermal cells underlying the appressorium was low for the rice-W_Po interaction as well as for the wheat- R_Po interaction, where no symptoms of necrosis were exhibited. However, the opposite was observed for the compatible interactions. The present study presents cytological features associated with incompatible and compatible rice- and wheat-P. oryzae interactions that may be useful to studies involving variability, coevolution, diagnosis, and regulation of quarantine or even in a rice or wheat breeding program whose aim is to transfer genes involved in non-host resistance to host resistance due to similarities in downstream mechanisms. MenosBlast, caused by the fungus Pyricularia oryzae, is an important disease affecting rice and wheat yield worldwide. This study investigated the cytological aspects of incompatible (non-host resistance) and compatible (host resistance) rice- (R_Po) and wheat- (W_Po) Pyricularia oryzae isolate interactions. Inoculations of rice and wheat with the R_Po and W_Po isolates of P. oryzae, respectively, were expected to be compatible interactions (host resistance), whereas inoculations of rice and wheat with the W_Po and R_Po isolates of P. oryzae, respectively, were considered to be incompatible interactions (non-host resistance). For the compatible interactions (rice-R_Po and wheat-W_Po), fungal hyphae penetrated and colonized the epidermal cells and also invaded many neighboring cells. By contrast, in the case of the incompatible interactions (rice-W_Po and wheat-R_Po), fungal hyphae were not able to penetrate nor colonize the epidermal cells, but when penetration did occur, the hyphae were restricted to the first-invaded epidermal cell. The frequency of appressorial sites exhibiting infection hyphae within the epidermal cell underlying an appressorium was greater in the case of the compatible interactions. By contrast, unsuccessful penetrations with cytoplasmic granulation occurred with high frequency in the incompatible wheat-R_Po and rice-W_Po interactions and the number of necrotic epidermal cells underlying the appressorium was low for the rice-W_Po interaction as well as for t... Mostrar Tudo |
Palavras-Chave: |
Host resistance. |
Thesagro: |
Arroz; Brusone; Doença de planta; Oryza sativa; Trigo; Triticum aestivum. |
Thesaurus Nal: |
Blast disease; Magnaporthe oryzae. |
Categoria do assunto: |
H Saúde e Patologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/142771/1/CNPAF-2016-sa.pdf
|
Marc: |
LEADER 02878naa a2200277 a 4500 001 2044441 005 2020-05-05 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1590/0103-9016-2015-0169$2DOI 100 1 $aARAUJO, L. 245 $aCytological aspects of incompatible and compatible interactions between rice, wheat and the blast pathogen Pyricularia oryzae. 260 $c2016 520 $aBlast, caused by the fungus Pyricularia oryzae, is an important disease affecting rice and wheat yield worldwide. This study investigated the cytological aspects of incompatible (non-host resistance) and compatible (host resistance) rice- (R_Po) and wheat- (W_Po) Pyricularia oryzae isolate interactions. Inoculations of rice and wheat with the R_Po and W_Po isolates of P. oryzae, respectively, were expected to be compatible interactions (host resistance), whereas inoculations of rice and wheat with the W_Po and R_Po isolates of P. oryzae, respectively, were considered to be incompatible interactions (non-host resistance). For the compatible interactions (rice-R_Po and wheat-W_Po), fungal hyphae penetrated and colonized the epidermal cells and also invaded many neighboring cells. By contrast, in the case of the incompatible interactions (rice-W_Po and wheat-R_Po), fungal hyphae were not able to penetrate nor colonize the epidermal cells, but when penetration did occur, the hyphae were restricted to the first-invaded epidermal cell. The frequency of appressorial sites exhibiting infection hyphae within the epidermal cell underlying an appressorium was greater in the case of the compatible interactions. By contrast, unsuccessful penetrations with cytoplasmic granulation occurred with high frequency in the incompatible wheat-R_Po and rice-W_Po interactions and the number of necrotic epidermal cells underlying the appressorium was low for the rice-W_Po interaction as well as for the wheat- R_Po interaction, where no symptoms of necrosis were exhibited. However, the opposite was observed for the compatible interactions. The present study presents cytological features associated with incompatible and compatible rice- and wheat-P. oryzae interactions that may be useful to studies involving variability, coevolution, diagnosis, and regulation of quarantine or even in a rice or wheat breeding program whose aim is to transfer genes involved in non-host resistance to host resistance due to similarities in downstream mechanisms. 650 $aBlast disease 650 $aMagnaporthe oryzae 650 $aArroz 650 $aBrusone 650 $aDoença de planta 650 $aOryza sativa 650 $aTrigo 650 $aTriticum aestivum 653 $aHost resistance 700 1 $aSOARES, J. M. 700 1 $aFILIPPI, M. C. C. de 700 1 $aRODRIGUES, F. A. 773 $tScientia Agricola, Piracicaba$gv. 73, n. 2, p. 177-183, mar./abr. 2016.
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Embrapa Arroz e Feijão (CNPAF) |
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142. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONÇALVES, F. J.; LOBO, V. L. S.; PRABHU, A. S.; FILIPPI, M. C. Variabilidade de isolados de Magnaporthe oryzae em arroz irrigado no Brasil. Tropical Plant Pathology, Brasília, DF, v. 38, p. 574, ago. 2013. Suplemento. ref. 184-1. Edição dos Resumos do XLVI Congresso Brasileiro de Fitopatologia, Ouro Preto, MG, ago. 2013.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Arroz e Feijão. |
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143. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MAGALHÃES, M. S.; GONÇALVES, F. J.; SILVA-LOBO, V. L.; PRABHU, A. S.; FILIPPI, M. C. Variabilidade de Magnaporthe oryzae nos estados de Goiás, Tocantins e Mato Grosso do Sul. In: SEMINÁRIO JOVENS TALENTOS, 5., 2011, Santo Antônio de Goiás. Resumos apresentados. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2011. p. 74. (Embrapa Arroz e Feijão. Documentos, 270).Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Arroz e Feijão. |
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144. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MAGALHÃES, M. S.; GONÇALVES, F. J.; SILVA-LOBO, V. L.; PRABHU, A. S.; FILIPPI, M. C. Variabilidade patogênica de isolados de Magnaporthe oryzae coletados nos estados de Goiás, Tocantins e Mato Grosso do Sul. Tropical Plant Pathology, Brasília, DF, v. 36, p. 750, ago. 2011. Suplemento, ref. 1107. Edição dos Resumos do 44 Congresso Brasileiro de Fitopatologia, Bento Gonçalves, ago. 2011. 1 CD-ROM.Tipo: Resumo em Anais de Congresso |
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148. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONÇALVES, F. J.; XAVIER, D. S.; ARAÚJO, L. G.; FILIPPI, M. C.; PRABHU, A. S. Uso de Epicoccum sp. e de óleo de eucalipto como inibidores do processo de formação de apressórios de Pyricularia grisea. Tropical Plant Pathology, v. 33, p. S 145, ago. 2008. Suplemento. ref. CBI-054. Edição dos Resumos do XLI Congresso Brasileiro de Fitopatologia, Belo Horizonte, MG, ago. 2008.Tipo: Resumo em Anais de Congresso |
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150. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ARRIEL, M. T.; MOREIRA, A. S.; CINTRA, M. M. D. F.; FILIPPI, M. C. C. de. Viabilidade de isolados de Magnaporthe oryzae, agente causal da brusone no arroz, preservados em papel filtro. In: SEMINÁRIO JOVENS TALENTOS, 9., 2015, Santo Antônio de Goiás. Coletânea dos resumos apresentados. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2015. p. 40. (Embrapa Arroz e Feijão. Documentos, 309).Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Arroz e Feijão. |
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153. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONÇALVES, F. J.; NUNES, C. M. C.; FILIPPI, M. C.; SIBOV, S. T. Isolamento e caracterização de fungos micorrízicos isolados de Cyrtopodium vernum e Cyrtopodium eugenil para indução simbiótica de germinação de sementes. Tropical Plant Pathology, Brasília, DF, v. 34, p. S185, ago. 2009. Suplemento, ref. 638. Edição dos Resumos do XLII do Congresso Brasileiro de Fitopatologia, Rio de Janeiro, RJ, ago. 2009.Tipo: Resumo em Anais de Congresso |
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154. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONÇALVES, F. J.; NUNES, C. M. C.; FILIPPI, M. C.; SIBOV, S. T. Isolamento de fungos micorrízicos de Cyrtopodium vernum, orquídea terrestre de campos rupestres do Estado de Goiás. In: CONGRESSO DE PESQUISA, ENSINO E EXTENSÃO, 5., 2008, Goiânia. Produção do conhecimento e transformação social: anais... Goiânia: Universidade Federal de Goiás, 2008. 1 CD-ROM.Tipo: Artigo em Anais de Congresso |
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155. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONÇALVES, F. J.; NUNES, C. M. C.; FILIPPI, M. C.; SIBOV, S. T. Isolamento e identificação de fungos associados a raízes de duas espécies de Cyrtopodium sp. de campos rupestres do Estado de Goiás. Tropical Plant Pathology, v. 33, p. S 241, ago. 2008. Suplemento. ref. MIC-107. Edição dos Resumos do XLI Congresso Brasileiro de Fitopatologia, Belo Horizonte, MG, ago. 2008.Tipo: Resumo em Anais de Congresso |
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158. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SILVA-LOBO, V. L.; CORTES, M. V.; SILVA, L. P.; FILIPPI, M. C.; PRABHU, A. S. Inhibition of Magnaporthe oryzae and Rhizoctonia solani by Sarocladium oryzae, the causal agent of sheath rot in rice. Phytopathology, St. Paul, v. 101, n. 6, p. S167, 2011. Supplement. Edição dos Resumos da APS-IPPC 2011 Joint Meeting in Honolulu, Hawaii, USA, Aug. 2011.Tipo: Resumo em Anais de Congresso |
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160. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | RAMOS, L. R.; SILVA, G. A. P.; SILVA, G. B.; FILIPPI, M. C.; PRABHU, A. S. Indução sistêmica de resistência a brusone nas folhas em arroz por isolado avirulento de Magnaporthe grisea. Fitopatologia Brasileira, Brasília, DF, v. 32, p. S 270, ago. 2007. Suplemento. ref. 0805. Edição dos Resumos do XL Congresso Brasileiro de Fitopatologia, Maringá, PR, ago. 2007.Tipo: Resumo em Anais de Congresso |
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Registros recuperados : 472 | |
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