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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
20/08/1996 |
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Data da última atualização: |
18/11/2008 |
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Autoria: |
DÍAZ, C. L.; MELCHERS, L. S.; HOOKAAS, P. J. J.; LUGTENBERG, B. J. J.; KIJNE, J. W. |
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Título: |
Root lectin as a determinant of host-plant specificity in the Rhizobium-legume symbiosis. |
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Ano de publicação: |
1989 |
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Fonte/Imprenta: |
Nature, v. 338, p. 579-581, 1989. |
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Idioma: |
Inglês |
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Conteúdo: |
The induction of nitrogen-fixing nodules in legume roots by soil bacteria from the genera Rhizobium and Bradyrhizobium is host-plant-specific. This specificity is expressed at an early stage of the infection process and results from multiple interactions between bacterial and plant products. Among these, it has been suggested that root lectin recognized by bacterial receptor molecules is an important determinant of host specificity 1, 2. Lectins are carbo-hydrate-binding proteins and it isknown that legumes belonging to different cross-inoculation groups produce lectins with different sugar-binding specificities 3. We have tested this suggestion by introducing the pea lectin gene into white clover roots using Agrobacterium rhizogenes as a vector. The "hairy" clover roots that result can be nodulated by a Rhizobium strain usually specific for plants from the pea cross-inoculation group. |
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Palavras-Chave: |
Lectin. |
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Thesagro: |
Lectina; Rhizobium. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01451naa a2200205 a 4500
001 1078033
005 2008-11-18
008 1989 bl --- 0-- u #d
100 1 $aDÍAZ, C. L.
245 $aRoot lectin as a determinant of host-plant specificity in the Rhizobium-legume symbiosis.
260 $c1989
520 $aThe induction of nitrogen-fixing nodules in legume roots by soil bacteria from the genera Rhizobium and Bradyrhizobium is host-plant-specific. This specificity is expressed at an early stage of the infection process and results from multiple interactions between bacterial and plant products. Among these, it has been suggested that root lectin recognized by bacterial receptor molecules is an important determinant of host specificity 1, 2. Lectins are carbo-hydrate-binding proteins and it isknown that legumes belonging to different cross-inoculation groups produce lectins with different sugar-binding specificities 3. We have tested this suggestion by introducing the pea lectin gene into white clover roots using Agrobacterium rhizogenes as a vector. The "hairy" clover roots that result can be nodulated by a Rhizobium strain usually specific for plants from the pea cross-inoculation group.
650 $aLectina
650 $aRhizobium
653 $aLectin
700 1 $aMELCHERS, L. S.
700 1 $aHOOKAAS, P. J. J.
700 1 $aLUGTENBERG, B. J. J.
700 1 $aKIJNE, J. W.
773 $tNature$gv. 338, p. 579-581, 1989.
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Registro original: |
Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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| Registros recuperados : 3 | |
| 2. |  | RODRIGUEZ, M. A. D.; WAALWIJK, C.; DIAZ, C.; D'HONT, A.; YAHIAOUE, N.; BAKRLY, F.; SOUZA JR. M.; KEMA, G. H. J. Characterization of Musa germplasm for resistance to tropical race 4 of fusarium oxysporum f. sp. cubense. In: PROMUSA SYMPOSIUM, 2011, Salvador. Bananas and plantains: toward sustainable global production and improved uses: abstracts. [Montepellier.]: [Bioversity International, 2011. p.37.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 3. | | RODRIGUEZ, M. A. D.; WAALWIJK, C.; DIAZ, C.; D´HON, A.; YAHIAOUI, N.; CARREEL, F.; BAKRY, F.; SOUZA JUNIOR, M. T.; KEMA, G. H. J. Characterization of Musa germplasm for resistance to tropical race 4 of Fusarium oxysporum f. sp. cubense. In: ISHS / PROMUSA SYMPOSIUM, 2011, Salvador, BH. Bananas and plantains: toward sustainable global production and improved uses: program and abstracts. Leuven: ISHS, 2011. p. 49| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroenergia. |
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| Registros recuperados : 3 | |
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