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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
19/01/2010 |
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Data da última atualização: |
29/06/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DITA, M. A.; DIE, J. V.; ROMÁN, B.; KRAJINSKI, F.; KÜSTER, H.; MORENO, M. T.; CUBERO, J. I.; RUBIALES, D. |
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Afiliação: |
Miguel Angelo Dita, CNPMF; José Vicente Die, CIFA-IFAPA; Belén Román, IFAPA; Franziska Krajinski, MPI-MP; Helgue Küster, Un-Bielefeld; Maria Tereza Moreno, CIFA-IFAPA; José Ignácio Cubero, UCO; Diego Rubiales, CSIC. |
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Título: |
Gene expression profiling of Medicago truncatula roots in response to the parasitic plant Orobanche crenata. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Weed Research, Oxford, v. 49, n. 1, p. 66-80, Oct. 2009. Suppl. 1. |
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DOI: |
10.1111/j.1365-3180.2009.00746.x |
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Idioma: |
Inglês |
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Conteúdo: |
Orobanche crenata is a root parasitic weed that is a major constraint for grain and forage legume cultivation in Mediterranean and West Asia. Only moderate to low levels of incomplete resistance of complex inheritance has been identified so far in legume crops, which has hampered genetic and genomic analysis. In the present study, we provide a gene expression profile of roots of the model legume Medicago truncatula in response to infection by O. crenata. M. truncatula accessions SA27774 (complete resistance acting at early penetration stages) and SA4087 (incomplete late acting resistance mediated by necrosis of parasite tubercle) were inoculated with O. crenata seeds in a semi-sterile dish system. Roots were harvested at 15 (first contacts of the parasitism structures with the host roots), 21 (initial stage of parasite tubercle formation on SA4087) and 35 (prior necrosis of well-developed parasite tubercle of on SA4087) days post-inoculation. Array hybridisations revealed several hundred genes up-regulated in response to O. crenata infection. Gene expression patterns suggest that resistance mechanisms activated in both genotypes are temporally and spatially different and resemble those associated with plant resistance to microbial pathogens. Regulated genes identified here represent a comprehensive resource that can be used as a support to breeding strategies for resistance. |
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Palavras-Chave: |
Barrel medick; Broomrape; Defence response; Gene regulation; Microarray; Parasitic plant; Protein. |
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Thesagro: |
Doença de Planta; Genoma; Legume; Leguminosa; Nutrição Vegetal; Patógeno; Resistência. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02472naa a2200385 a 4500
001 1655414
005 2023-06-29
008 2009 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1365-3180.2009.00746.x$2DOI
100 1 $aDITA, M. A.
245 $aGene expression profiling of Medicago truncatula roots in response to the parasitic plant Orobanche crenata.$h[electronic resource]
260 $c2009
520 $aOrobanche crenata is a root parasitic weed that is a major constraint for grain and forage legume cultivation in Mediterranean and West Asia. Only moderate to low levels of incomplete resistance of complex inheritance has been identified so far in legume crops, which has hampered genetic and genomic analysis. In the present study, we provide a gene expression profile of roots of the model legume Medicago truncatula in response to infection by O. crenata. M. truncatula accessions SA27774 (complete resistance acting at early penetration stages) and SA4087 (incomplete late acting resistance mediated by necrosis of parasite tubercle) were inoculated with O. crenata seeds in a semi-sterile dish system. Roots were harvested at 15 (first contacts of the parasitism structures with the host roots), 21 (initial stage of parasite tubercle formation on SA4087) and 35 (prior necrosis of well-developed parasite tubercle of on SA4087) days post-inoculation. Array hybridisations revealed several hundred genes up-regulated in response to O. crenata infection. Gene expression patterns suggest that resistance mechanisms activated in both genotypes are temporally and spatially different and resemble those associated with plant resistance to microbial pathogens. Regulated genes identified here represent a comprehensive resource that can be used as a support to breeding strategies for resistance.
650 $aDoença de Planta
650 $aGenoma
650 $aLegume
650 $aLeguminosa
650 $aNutrição Vegetal
650 $aPatógeno
650 $aResistência
653 $aBarrel medick
653 $aBroomrape
653 $aDefence response
653 $aGene regulation
653 $aMicroarray
653 $aParasitic plant
653 $aProtein
700 1 $aDIE, J. V.
700 1 $aROMÁN, B.
700 1 $aKRAJINSKI, F.
700 1 $aKÜSTER, H.
700 1 $aMORENO, M. T.
700 1 $aCUBERO, J. I.
700 1 $aRUBIALES, D.
773 $tWeed Research, Oxford$gv. 49, n. 1, p. 66-80, Oct. 2009. Suppl. 1.
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