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suchet@cict.fr Tel +33(0) 5 61 55 67 58 Laboratoire Evolution et Diversité Biologique (EDB)
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Claire Suchet |
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Jérôme Chave and Pr Christophe Thébaud - Evolution et Diversité Biologique UMR (CNRS/Université Paul Sabatier)
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Christine Raynaud and Valérie Simon - Laboratoire de Chimie et d’Agro-industrielle UMR (INRA/ INP-ENSIACET) |
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I am interested in the diversity of flower fragrances and the ecological and evolutionary forces which shape them. The long-time aim of my researches is to understand the role of the bouquet of floral odors on a reproductive isolation via pollinators. To do so, I characterize the intraspecific scent variation of living individuals of two subspecies and their hybrids of the species model Antirrhinum majus in the Eastern Pyrenees. Because of floral scent representes a communicative, dynamic and complex phenotypic trait, the inside species variation (among population differences and individual phenotypic plasticity) is still misunderstood. In practice, I confront floral emissions from the field and from the common and controlled greenhouse conditions using the same chemicals sampling design (dynamic headspace collection system). I thus target to try highlighting part of floral scent variation explained by the environment and the genetic determinism. Indeed, a genetic study based on the last biosynthetic enzyme of the methyl benzoate (BAMT) is currently applied.
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Communication
· In the Real Jardin Botanico, in Madrid (Spain, 26/11/08) · During the GDR of Ecologie chimique, in Saint-Etienne (France, 28/10/08) |