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Author  |
Roy, Mélanie; Schimann, Heidy; Buée, Marc |
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Title |
Relations intimes entre plantes et champignons du sol |
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Book Chapter |
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Year |
2015 |
Publication |
Ecologie tropicale: de l’ombre à la lumière |
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Editions du Cherche Midi-CNRS |
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Paris |
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Forget, Pierre-Michel; Hossaërt-McKey, Martine; Poncy, Odile |
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EcoFoG @ webmaster @ |
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234 |
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Author |
Rolland, G. |
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Title |
Stockage de carbone dans la biomasse aérienne en forêt tropicale humide guyanaise |
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Thesis |
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Year |
2006 |
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24 |
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Bilan De Carbone Foret Tropicale Humide Guyane Francaise Biomasse Aerienne Variabilite Spatiale Sylvigenese |
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Master's thesis |
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Publisher |
Université Henry Poincaré |
Place of Publication |
Nancy |
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Series Editor |
Bonal, D. |
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EcoFoG @ webmaster @ 223 |
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68 |
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Author |
Roisin, Y; Corbara, B; Delsinne, T; Orivel, J; Leponce, M. |
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Title |
Termites in Santo: lessons from a Survey in the Penaoru area |
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Book Chapter |
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Year |
2011 |
Publication |
The natural history of Santo |
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Pages |
128-130 |
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Publications Scientifiques du Museum, IRD éditions, Pro-Natura International |
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Bouchet, P.; Le Guyader, H.; Pascal, O |
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EcoFoG @ webmaster @ |
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160 |
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Author |
Roelens, J.B. |
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Title |
Structure et dynamique spatiale d'Eperua falcata Aublet en forêt tropicale humide |
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2005 |
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36 |
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Master's thesis |
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Publisher |
Université des Antilles et de la Guyane |
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Blanc, L. |
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Call Number |
EcoFoG @ webmaster @ 221 |
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62 |
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Author |
Rodrigues, A.; Theodoro, P.; Basset, C.; Espindola, L.; Stien, D. |
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Title |
Bio-inspiration in the discovery of active natural products: an example with the search of antifungal agents inspired from long-lasting woods |
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Conference Article |
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Year |
2010 |
Publication |
Planta Medica |
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Planta Med. |
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Volume |
76 |
Issue |
12 |
Pages |
1293 |
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Abstract |
Plant natural products have been perfected through evolution with respect to their specific biological roles (defense, elicitor, and so on) and are, therefore, an excellent starting point in the search for new biologically active chemicals. Hence, despite the progressive abandonment of the exploration of naturally sourced bioactive substances by the pharmaceutical industry, more than half of the drugs approved in the United States between 2005 and 2007 are natural products or natural product-derived drugs, five of which constituted the first members of new drug classes [1]. Clearly, chemical research into natural substances still has an important role to play in improving quality of life, and can play an important role by inventing innovative strategies to discover new bioactive compounds [1,2].
In the present work, we demonstrated that a bio-inspired approach for the identification of novel bioactive natural products represents a promising biotechnological tool for the development of new drugs. We have studied how natural defenses within decay-resistant wood can generate a large number of positive hits in the search for antimycotic agents. In addition, it was found from bioguided fractionation that ethyl acetate extracts of Sextonia rubra wood contain a relatively large proportion of antifungal metabolites rubrenolide (1) and rubrynolide (2), 1 being slightly more active than 2. The therapeutic potential of the above compounds will be discussed through the evaluation of their antifungal activities against 16 pathogenic fungi strains and their cytotoxicities towards KB cells. |
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Conference |
58th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research, Berlin, Germany, 29th August - 2nd September 2010 |
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EcoFoG @ webmaster @ |
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181 |
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Author |
Rodrigues, A.; Royer, M.; Amusant, N.; Beauchêne, J.; Herbette, G.; Eparvier, V.; Thibaut, A.; Salmen Espindola, L.; Thibaut, B.; Stien, D. |
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Title |
Antinomic natural self protection mechanism in long lasting woods : a case study with three tropical species from French Guiana |
Type |
Conference Article |
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Year |
2009 |
Publication |
IRG/WP |
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Volume |
09 |
Issue |
10696 |
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Keywords |
wood; natural durability; wood degradation; antifungal extractives |
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Abstract |
We demonstrate in this work through 3 examples that Amazonian trees may specialize long-lasting woods by means of at least to different approaches. Wallaba impregnates its wood with large amounts of weakly antifungal compounds acting in synergy, while tatajuba and louro vermelho woods are naturally impregnated with antifungal agents. Comparison of biological activities in vitro and concentrations in the woods indicate that these compounds alone may account for the natural durability of the two woods. |
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Place of Publication |
Beijing, China |
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24-28 Mai 2009 |
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Call Number |
EcoFoG @ webmaster @ 100 |
Serial |
101 |
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Author |
Rodrigues, A.; Espindola, S.; Beauchêne, J.; Stien, D. |
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Title |
Antifungal components from Amazonian long lasting heartwood |
Type |
Conference Article |
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Year |
2010 |
Publication |
Planta Medica |
Abbreviated Journal |
Planta Med. |
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Volume |
76 |
Issue |
12 |
Pages |
1172 |
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Abstract |
About thirty Andira species have been described in America and Africa but most of them are found in Amazonian Rain Forest [1]. In French Guiana and Brazil A. surinamensis, A. coriaceae and A. inermis timbers (all named Saint-Martin Rouge in French) are commercialized for residential construction because of their excellent resistance to decay in ground contact [2]. In this study A. surinamensis heartwood was extracted with solvent of increasing polarities and extracts were evaluated against wood rotting fungi and human pathogens. Ethyl acetate extract proved strongly antifungal, showing that durable heartwood is a promising source of active metabolites for wood treatment and human health applications. Bioguided chemical fractionation allowed us to isolate five isoflavonoids including biochanin A [3]. |
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58th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research, Berlin, Germany, 29th August - 2nd September 2010 |
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EcoFoG @ webmaster @ |
Serial |
180 |
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Author |
Rivol, L. |
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Title |
La diversité bactérienne évaluée par la méthode d'arisa dans une chronoséquence de revégétalisation d'un site degradé |
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Thesis |
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Year |
2004 |
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Pages |
33 pp |
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Keywords |
Arisa; Denombrement; Sol Perturbe; Revegetatilisation; Diversite Genetique; Orpaillage |
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Master's thesis |
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Publisher |
Université des Antilles et de la Guyane |
Place of Publication |
Kourou |
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Series Editor |
Domenach, A.M. |
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EcoFoG @ webmaster @ 220 |
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57 |
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Author |
Rinaldo, Raphaëlle |
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Title |
Certification, biocomplexité et valorisation des Lauracées de Guyane française |
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2012 |
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295 |
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Ph.D. thesis |
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Publisher |
Université Antilles Guyane |
Place of Publication |
Cayenne - Guyane française |
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Gibernau, M. |
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EcoFoG @ carole.legrand @ |
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189 |
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Author |
Richard-Hansen, Cécile ; Hansen, Eric |
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Title |
50 ans d'évolution de la gestion de la faune en Guyane – Mammifères |
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Book Chapter |
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Year |
2015 |
Publication |
Nature guyanaise – 50 ans de progrès et de souvenirs |
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211-217 |
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Editions Orphie |
Place of Publication |
Cayenne - Guyane française |
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Français |
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EcoFoG @ carole.legrand @ |
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274 |
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