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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
13/08/1991 |
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Data da última atualização: |
13/02/2025 |
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Autoria: |
NAIR, M. G.; SAFIR, G. R.; SIQUEIRA, J. O. |
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Título: |
Isolation and identification of vesicular-arbuscular mycorrhiza-stimulatory compounds from clover (Trifolium-repens) root. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Applied and Environmental Microbiology, Washington,, v.57, n.2, p.434-439, 1991. |
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Idioma: |
Inglês |
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Conteúdo: |
Two isoflavonoids isolated from clover roots grown under phosphate stress were characterized as formonon- etin (7-hydroxy,4'-methoxy isoflavone) and biochanin A (5,7-dihydroxy,4'-methoxy isoflavone). At 5 ppm, these compounds stimulated hyphal growth in vitro and root colonization of an undescribed vesicular- arbuscular mycorrhiza, a Glomus sp. (INVAM-112). The permethylated products of the two compounds were inactive. These findings suggest that the isoflavonoids studied may act as signal molecules in vesicular- arbuscular mycorrhiza symbiosis. |
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Thesagro: |
Micorriza Vesicular Arbuscular. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01106naa a2200157 a 4500
001 1279628
005 2025-02-13
008 1991 bl --- 0-- u #d
100 1 $aNAIR, M. G.
245 $aIsolation and identification of vesicular-arbuscular mycorrhiza-stimulatory compounds from clover (Trifolium-repens) root.$h[electronic resource]
260 $c1991
520 $aTwo isoflavonoids isolated from clover roots grown under phosphate stress were characterized as formonon- etin (7-hydroxy,4'-methoxy isoflavone) and biochanin A (5,7-dihydroxy,4'-methoxy isoflavone). At 5 ppm, these compounds stimulated hyphal growth in vitro and root colonization of an undescribed vesicular- arbuscular mycorrhiza, a Glomus sp. (INVAM-112). The permethylated products of the two compounds were inactive. These findings suggest that the isoflavonoids studied may act as signal molecules in vesicular- arbuscular mycorrhiza symbiosis.
650 $aMicorriza Vesicular Arbuscular
700 1 $aSAFIR, G. R.
700 1 $aSIQUEIRA, J. O.
773 $tApplied and Environmental Microbiology, Washington,$gv.57, n.2, p.434-439, 1991.
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