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| 12. |  | COELHO, E. F.; SANTOS, A. C. DOS; COVA, A. M. W.; OLIVEIRA, M. L. A.; LIMA, M. A. C. Ajuste de funções de crescimento de bananeira platina para altura de planta e perímetro do pseudocaule. In: CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 23., 2013, Luís Eduardo Magalhães, BA. Evolução e Tecnologia na Irrigação: anais... Luís Eduardo Magalhães: ABID, 2013. Publicação online.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 13. | | COELHO, E. F.; SANTOS, A. C. dos; COVA, A. M. W.; OLIVEIRA, M. L. A.; LIMA, M. A. C. Ajuste de funções de crescimento de bananeira platina para área foliar e número de folhas. In: CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 23., 2013, Luís Eduardo Magalhães, BA. Evolução e Tecnologia na Irrigação: anais... Luís Eduardo Magalhães: ABID, 2013. Publicação online.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 18. | | SANTOS, A. C. dos; QUEIROZ, I. dos S.; LUQUINE, L. S.; BARBOSA, D. H. S. G.; FERREIRA, C. F. Avaliação do comportamento de genótipos de Musa ao nematoide cavernícola (Radopholus similis). In: JORNADA CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 10., 2016: Cruz das Almas, BA. Traduzindo ciência para o mundo : resumos. Brasília, DF : Embrapa, 2016.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 20. | | DIAS, C. V.; MENDES, J. S.; SANTOS, A. C. dos; PIROVANI, C. P.; GESTEIRA, A. da S.; MICHELI, F.; GRAMACHO, K. P.; HAMMERSTONE, J.; MAZZAFERA, P.; CASCARDO, J. C. de M. Hydrogen peroxide formation in cacao tissues infected by the hemibiotrophic fungus Moniliophthora perniciosa. Plant Physiology and Biochemistry, v. 49, p. 917-922, 2011.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
28/10/2011 |
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Data da última atualização: |
26/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
DIAS, C. V.; MENDES, J. S.; SANTOS, A. C. dos; PIROVANI, C. P.; GESTEIRA, A. da S.; MICHELI, F.; GRAMACHO, K. P.; HAMMERSTONE, J.; MAZZAFERA, P.; CASCARDO, J. C. de M. |
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Afiliação: |
CRISTIANO VILLELA DIAS, UESC; JULIANO SALES MENDES, UESC; ANDERSON CARVALHO DOS SANTOS, UESC; CARLOS PRIMINHO PIROVANI, UESC; ABELMON DA SILVA GESTEIRA, CNPMF; FABIENNE MICHELI, UESC; KARINA PERES GRAMACHO, CEPLAC; JOHN HAMMERSTONE, Mars Center for Cocoa Science; PAULO MAZZAFERA, UNICAMP; JÚLIO CÉZAR DE MATTOS CASCARDO, UESC. |
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Título: |
Hydrogen peroxide formation in cacao tissues infected by the hemibiotrophic fungus Moniliophthora perniciosa. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Plant Physiology and Biochemistry, v. 49, p. 917-922, 2011. |
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DOI: |
10.1016/j.plaphy.2011.05.004 |
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Idioma: |
Inglês |
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Conteúdo: |
In plant-pathogen interaction, the hydrogen peroxide (H2O2) may play a dual role: its accumulation inhibits the growth of biotrophic pathogens, while it could help the infection/colonization process of plant by necrotrophic pathogens. One of the possible pathways of H2O2 production involves oxalic acid (Oxa) degradation by apoplastic oxalate oxidase. Here, we analyzed the production of H2O2, the presence of calcium oxalate (CaOx) crystals and the content of Oxa and ascorbic acid (Asa) e the main precursor of Oxa in plants e in susceptible and resistant cacao (Theobroma cacao L.) infected by the hemibiotrophic fungus Moniliophthora perniciosa. We also quantified the transcript level of ascorbate peroxidase (Apx), germin-like oxalate oxidase (Glp) and dehydroascorbate reductase (Dhar) by RT-qPCR. We report that the CaOx crystal amount and the H2O2 levels in the two varieties present distinct temporal and genotype dependent patterns. Susceptible variety accumulated more CaOx crystals than the resistant one, and the dissolution of these crystals occurred in the early infection steps and in the final stage of the disease in the resistant and the susceptible variety, respectively. High expression of the Glp and accumulation of Oxa were observed in the resistant variety. The content of Asa increased in the inoculated susceptible variety, but remained constant in the resistant one. The susceptible variety presented reduced Dhar expression. The role of H2O2 and its formation from Oxa via Apx and Glp in resistant and susceptible variety infected by M. perniciosa were discussed. MenosIn plant-pathogen interaction, the hydrogen peroxide (H2O2) may play a dual role: its accumulation inhibits the growth of biotrophic pathogens, while it could help the infection/colonization process of plant by necrotrophic pathogens. One of the possible pathways of H2O2 production involves oxalic acid (Oxa) degradation by apoplastic oxalate oxidase. Here, we analyzed the production of H2O2, the presence of calcium oxalate (CaOx) crystals and the content of Oxa and ascorbic acid (Asa) e the main precursor of Oxa in plants e in susceptible and resistant cacao (Theobroma cacao L.) infected by the hemibiotrophic fungus Moniliophthora perniciosa. We also quantified the transcript level of ascorbate peroxidase (Apx), germin-like oxalate oxidase (Glp) and dehydroascorbate reductase (Dhar) by RT-qPCR. We report that the CaOx crystal amount and the H2O2 levels in the two varieties present distinct temporal and genotype dependent patterns. Susceptible variety accumulated more CaOx crystals than the resistant one, and the dissolution of these crystals occurred in the early infection steps and in the final stage of the disease in the resistant and the susceptible variety, respectively. High expression of the Glp and accumulation of Oxa were observed in the resistant variety. The content of Asa increased in the inoculated susceptible variety, but remained constant in the resistant one. The susceptible variety presented reduced Dhar expression. The role of H2O2 and its formation from Oxa... Mostrar Tudo |
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Thesagro: |
Cacau; Fungo. |
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Thesaurus NAL: |
Moniliophthora perniciosa. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02434naa a2200277 a 4500
001 1904350
005 2023-05-26
008 2011 bl uuuu u00u1 u #d
024 7 $a10.1016/j.plaphy.2011.05.004$2DOI
100 1 $aDIAS, C. V.
245 $aHydrogen peroxide formation in cacao tissues infected by the hemibiotrophic fungus Moniliophthora perniciosa.$h[electronic resource]
260 $c2011
520 $aIn plant-pathogen interaction, the hydrogen peroxide (H2O2) may play a dual role: its accumulation inhibits the growth of biotrophic pathogens, while it could help the infection/colonization process of plant by necrotrophic pathogens. One of the possible pathways of H2O2 production involves oxalic acid (Oxa) degradation by apoplastic oxalate oxidase. Here, we analyzed the production of H2O2, the presence of calcium oxalate (CaOx) crystals and the content of Oxa and ascorbic acid (Asa) e the main precursor of Oxa in plants e in susceptible and resistant cacao (Theobroma cacao L.) infected by the hemibiotrophic fungus Moniliophthora perniciosa. We also quantified the transcript level of ascorbate peroxidase (Apx), germin-like oxalate oxidase (Glp) and dehydroascorbate reductase (Dhar) by RT-qPCR. We report that the CaOx crystal amount and the H2O2 levels in the two varieties present distinct temporal and genotype dependent patterns. Susceptible variety accumulated more CaOx crystals than the resistant one, and the dissolution of these crystals occurred in the early infection steps and in the final stage of the disease in the resistant and the susceptible variety, respectively. High expression of the Glp and accumulation of Oxa were observed in the resistant variety. The content of Asa increased in the inoculated susceptible variety, but remained constant in the resistant one. The susceptible variety presented reduced Dhar expression. The role of H2O2 and its formation from Oxa via Apx and Glp in resistant and susceptible variety infected by M. perniciosa were discussed.
650 $aMoniliophthora perniciosa
650 $aCacau
650 $aFungo
700 1 $aMENDES, J. S.
700 1 $aSANTOS, A. C. dos
700 1 $aPIROVANI, C. P.
700 1 $aGESTEIRA, A. da S.
700 1 $aMICHELI, F.
700 1 $aGRAMACHO, K. P.
700 1 $aHAMMERSTONE, J.
700 1 $aMAZZAFERA, P.
700 1 $aCASCARDO, J. C. de M.
773 $tPlant Physiology and Biochemistry$gv. 49, p. 917-922, 2011.
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