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Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
15/07/2005 |
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Data da última atualização: |
15/07/2005 |
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Autoria: |
ENRIQUE DE LA PROVIDENCIA, I.; DE SOUZA, F. A.; FERNÁNDEZ, F.; DELMAS, N. S.; DECLERCK, S. |
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Título: |
Arbuscular mycorrhizal fungi reveal distinct patterns of anastomosis formation and phyphal healing mechanisms between different phylogenic groups. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
New Phytologist, Oxford, v. 165, p. 261-271, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
· The significance of anastomosis formation and the hyphal healing mechanism (HHM) for funcitionality and intergrity of the arbuscular mycorrhizal (AM) fungal mycelial network remains poorly documented.
· Four Glomeraceae and three Gigasporaceae were cultuired monoxenically. Anastomosis formation was assessed using the line method, while HHM was time-lapse monitored.
· In intact networks, the number of anastomosis per hyphal length was higher for Glomeraceae than for Gigasporaceae strains. Glomeraceae strains studied always formed anastomosis between different hyphaem whereas anastomosis in the Gigasporaceae more often concerned hyphal bridges within the same hyphae. In both families the HHM corresopnded to a four-step process; frist septum formation; second initiation of growing hyphal tips (GHTs); third GHT elongation, orientation and contact; and fourth GHT funsio and cytoplasmic/protoplasmic flux re-establishment. These four steps differentiated Glomeraceae from Gigasporaceae.
· The type and number of anastomosis per hyphal length, and the HHM differed considarebly between Glomeraceae and Gigasporaceae families representing a supplementary character that distinguishes these two families and may be of significance in ecological studies of AM fungi.
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Thesagro: |
Micorriza Vesicular Arbuscular. |
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Thesaurus NAL: |
vesicular arbuscular mycorrhizae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01929naa a2200193 a 4500
001 1628253
005 2005-07-15
008 2005 bl --- 0-- u #d
100 1 $aENRIQUE DE LA PROVIDENCIA, I.
245 $aArbuscular mycorrhizal fungi reveal distinct patterns of anastomosis formation and phyphal healing mechanisms between different phylogenic groups.
260 $c2005
520 $a· The significance of anastomosis formation and the hyphal healing mechanism (HHM) for funcitionality and intergrity of the arbuscular mycorrhizal (AM) fungal mycelial network remains poorly documented. · Four Glomeraceae and three Gigasporaceae were cultuired monoxenically. Anastomosis formation was assessed using the line method, while HHM was time-lapse monitored. · In intact networks, the number of anastomosis per hyphal length was higher for Glomeraceae than for Gigasporaceae strains. Glomeraceae strains studied always formed anastomosis between different hyphaem whereas anastomosis in the Gigasporaceae more often concerned hyphal bridges within the same hyphae. In both families the HHM corresopnded to a four-step process; frist septum formation; second initiation of growing hyphal tips (GHTs); third GHT elongation, orientation and contact; and fourth GHT funsio and cytoplasmic/protoplasmic flux re-establishment. These four steps differentiated Glomeraceae from Gigasporaceae. · The type and number of anastomosis per hyphal length, and the HHM differed considarebly between Glomeraceae and Gigasporaceae families representing a supplementary character that distinguishes these two families and may be of significance in ecological studies of AM fungi.
650 $avesicular arbuscular mycorrhizae
650 $aMicorriza Vesicular Arbuscular
700 1 $aDE SOUZA, F. A.
700 1 $aFERNÁNDEZ, F.
700 1 $aDELMAS, N. S.
700 1 $aDECLERCK, S.
773 $tNew Phytologist, Oxford$gv. 165, p. 261-271, 2005.
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