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Zaremski, A. ; Gastonguay, L. ; Zaremski, C. ; Beauchene, J. |
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Title |
Molecular characterization and biodiversity of wood-decaying fungi in French Guiana |
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Conference Article |
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2011 |
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IRG/WP |
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14 |
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10825 |
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fungus biodiversity, tropical forest, ribosomal DNA, sequences, molecular taxonomy, BLASTn, primer ITS1, primer ITS4 |
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Fungi from tropical regions are currently under-represented in the classification system. Indeed, difficult access to tropical forests and irregular occurrence carpophores make it complicated to study fungus species in such environments, unlike in European zones where fungal diversity and taxonomy are better known. The purpose of this work was to enhance classification by integrating new data that would bring out the importance of certain traits of these fungi, and provide a clearer understanding of how the biodiversity of fungi from the forest ecosystems of French Guiana is organized, particularly those causing wood decay through white rot, brown rot or soft rot. In our study, we chose to work in the zone comprising the internal transcribed spacers ITS1 and ITS2, which are relatively variable, and the 5.8 S small ribosomal subunit, which is not highly variable. The primers ITS 1(5’-TCCGTAGGTGAACCTGCGC-3’) and ITS 4 (5’-TCCTCCGCTTATTGATATGC-3’), specific to fungi, were chosen for this taxonomic analysis of the studied species. This study was carried out on 101 fungus fruiting bodies at the Paracou forest site in French Guiana. Of those 101 fungi, 72 were identified by BLASTn. Four species were Ascomycetes of the genus Muscodor and Xylaria. The other 68 species, all in the class of the Basidiomycetes, were divided into the following orders: 31 Agaricales, 1 Atheliales, 2 Boletales, 1 Gomphales, 12 Polyporales, 1 Trechisporales and 1 Tremellales. There was also an indeterminate taxon very similar to the lichens. Within the order Polyporales, the main genera were found, such as Antrodiella, Coriolopsis, Fomitopsis, Ganoderma, Lentinus, Pycnoporus, Steccherinum, Trametes, Fomitoporia. All these fungi have the particularity of causing wood decay. |
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St George - Utah - USA |
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14-15 May 2011 |
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EcoFoG @ carole.legrand @ |
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243 |
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Amusant, N. ; Migg, M. ; Thibaut, B. ; Beauchêne, J. |
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Title |
Unexpected natural decay resistance strategies of durable tropical woods bocoa prouacencis, Vouacapoua americana, Inga alba and relationship with specific gravity and wood extractives |
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2014 |
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IRG/WP |
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14 |
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10832 |
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EcoFoG @ carole.legrand @ |
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245 |
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Say Anouhe, J.B. ; Adima, A.A. ; Niamké, B.F. ; Stien, Didier ; Kassi Amian, B. ; Virieux, D. ; Pirate, J.L. ; Kati-Coulibaly, S. ; Amusant, Nadine |
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Title |
Wood Natural durability study source of biomolecules: case of Dicorynia guianensis Amsh. Heartwood |
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2016 |
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IRG/WP |
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10871 |
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EcoFoG @ webmaster @ |
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288 |
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Houël, Emeline ; Rodrigues, Alice ; Nicolini, Eric ; Ngwete, Onoefé ; Duplais, Christophe ; Stien, Didier ; Amusant, Nadine |
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Natural durability of Sextonia rubra, an Amazonian tree species: description and origin |
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Conference Article |
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2017 |
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IRG/WP |
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17 |
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10887 |
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17 |
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EcoFoG @ carole.legrand @ |
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299 |
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Amusant, Nadine ; Flora, Claudiane ; Beauchêne, Jacques ; Houël, Emeline ; Duplais, Christophe. |
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A review on predilection methods of wood natural durability |
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Conference Article |
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2017 |
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IRG/WP |
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17 |
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10892 |
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15 |
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EcoFoG @ carole.legrand @ |
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300 |
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Liu, S.; Gril, J.; Thibaut, B. |
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Title |
Effects of silvicultural practice, tree, cambial age and height on wood density components of plantation poplar I-69 (Populus deltoides cv. I-68/55) in China |
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Journal Article |
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2006 |
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Journal of the institute of wood science |
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17 |
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4 |
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228-236 |
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EcoFoG @ webmaster @ |
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123 |
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Lamarre, G.P.A.; Bénéluz, F. |
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A non-destructive method for species identification (Insecta : Lepidoptera) in the ecological park Nueva Juventud, San Andrés, Petén, Northern Guatemala. |
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2009 |
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Lambillionea |
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CXI |
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3 |
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348-352 |
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EcoFoG @ webmaster @ |
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159 |
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Goret, J.Y.; Burban, B.; Burlett, R.; Bosc, A.; Ponton, S. |
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Title |
Mesure automatisée de la respiration du sol, caractérisation et comparaison de deux systèmes |
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2006 |
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Le Cahier Technique de l’Inra |
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Numéro spécial 2006 |
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25-30 |
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EcoFoG @ webmaster @ |
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122 |
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Pernes, Miguel ; Clair, Bruno ; Beaugrand, Johnny |
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Title |
Acquisition d'isothermes de sorption d'eau : méthodologie, représentation et application au bois |
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Journal Article |
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2013 |
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Le cahier techniques de l'Inra |
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80 |
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3 |
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9 |
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sorption d’eau ; microbalance ; isotherme ; précision ; fibres ; bois |
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La réalisation d’isothermes de sorption d’eau à l’aide d’une microbalance de sorption de haute précision nécessite préalablement une mise au point méthodologique approfondie. Celle-ci doit prendre en compte à la fois les contraintes techniques de l’appareil, le type d’échantillon étudié ainsi que la problématique scientifique associée. Cette technique, très sensible, associée à une méthodologie spécifique a été appliquée à des échantillons de bois « vert ». La précision de la microbalance de sorption avec une humidité relative pouvant varier de 0 à 95 % permet d’observer des comportements d’hydratation des polymères constitutifs de la paroi végétale. Une représentation des données recueillies dite « chronologique » permet d’appréhender un phénomène naturel irréversible, rencontré lors du séchage du bois. Une représentation plus classique permet de montrer clairement un comportement d’hystérésis en rapport avec l’état d’hydratation des fibres végétales et notamment leur histoire thermo-hydrique. |
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INRA |
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France |
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EcoFoG @ carole.legrand @ |
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273 |
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Gibernau, Marc ; Chartier, Marion |
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Title |
Les Aracées: une diversité d’arômes ou les différentes stratégies de la séduction |
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2010 |
Publication |
Le courrier de la Nature |
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Spécial communication 2010 |
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260 |
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26-32 |
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EcoFoG @ carole.legrand @ |
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166 |
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