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| Janoušková, M.; Seddas, P.; Mrnka, L.; Van Tuinen, D.; Dvořáčková, A.; Tollot, M.; Gianinazzi-Pearson, V.; Vosátka, M.; Gollotte, A.. |
| The co-existence of two arbuscular mycorrhizal fungal (AMF) species, Glomus intraradices and Glomus claroideum, in the root systems of plants was investigated in a greenhouse experiment aimed at reconstructing interactions during an early stage of primary succession on a coal-mine spoil bank in Central Europe. Two plant species, Tripleurospermum inodorum and Calamagrostis epigejos, were inoculated either with one or both AMF species. Fungal development, determined by trypan blue and alkaline phosphatase staining as well as by PCR amplification of rRNA genes with species-specific primers, and the expression of five genes with different metabolic functions in the intraradical structures of G. intraradices were followed after 6 and 9 weeks of cultivation. The... |
| Tipo: Journal Article |
Palavras-chave: MYCORHIZES A ARBUSCULES; PHOSPHATASE ALCALINE; MYCELIUM INTRARADICAL ALKALINE PHOSPHATASE; ARBUSCULAR MYCORRHIZA; GENE EXPRESSION; INTRARADICAL MYCELIUM; NESTED PCR. |
| Ano: 2009 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20119c7b67f7&uri=/notices/prodinra1/2011/05/ |
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| Maillet, F.; POINSOT, V.; Andre, O.; PUECH-PAGES, V.; Haouy, A.; Gueunier, M.; CROMER, L.; Giraudet, D.; FORMEY, D.; Niebel, A.; MARTINEZ, E.A.; DRIGUEZ, H.; BECARD, G.; Denarié, J.. |
| Arbuscular mycorrhiza (AM) is a root endosymbiosis between plants and glomeromycete fungi. It is the most widespread terrestrial plant symbiosis, improving plant uptake of water and mineral nutrients. Yet, despite its crucial role in land ecosystems, molecular mechanisms leading to its formation are just beginning to be unravelled. Recent evidence suggests that AM fungi produce diffusible symbiotic signals. Here we show that Glomus intraradices secretes symbiotic signals that are a mixture of sulphated and non-sulphated simple lipochitooligosaccharides (LCOs), which stimulate formation of AM in plant species of diverse families (Fabaceae, Asteraceae and Umbelliferae). In the legume Medicago truncatula these signals stimulate root growth and branching by... |
| Tipo: Journal Article |
Palavras-chave: AM; MEDICAGO TRUNCATULA; ARBUSCULAR MYCORRHIZA; SYMBIOSIS; SUSTAINABLE DEVELOPMENT; ENVIRONMENT CARBOHYDRATE SEQUENCE; CHOMATOGRAPHY HIGH PRESSURE LIQUID; DAUCUS; CAROTA CHEMISTRY METABOLISM MICROBIOLOGY; GLOMEROMYCOTA METABOLISM; LIPOPOLYSACCHARIDES CHEMISTRY METABOLISM; MEDICAGO TRUNCATULA CHEMISTRY GROWTH & DEVELOPMENT METABOLISM MICROBIOLOBY; MOLECULAR SEQUENCE DATA; MYCORRHIZAE METABOLISM; PLANT; EXTRACTS CHEMISTRY METABOLISM; PLANT ROOTS CHEMISTRY GROWTH & DEVELOPMENT METABOLISM MICROBIOLOGY; SIGNAL TRANSDUCTION; SPORES FUNGAL CHEMISTRY METABOLISM SYMBIOSIS. |
| Ano: 2011 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201181dabef5&uri=/notices/prodinra1/2011/07/ |
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