, contacté les auteurs de la présentation pour savoir quels avaient été les résultats de cette expérience, aucun article publié n'étant disponible. Leur réponse, le 6 mars 2013, a été la suivante : « Unfortunately

, De façon plus précise, les deux personnes responsables de ce projet ont quitté le laboratoire, suite à la fin de leur contrat, avant d'avoir pu terminer l'analyse. C'est l'un d'entre eux avec qui j'ai pu échanger. De plus, ils ont été confrontés au problème, délicat, de la distinction entre réels variants et erreurs de séquençage, compte-tenu de la complexité du génome du chêne et de l'absence d'un génome séquencé de référence

J. Fuentes-utrilla, C. Davey, M. Eland, K. Blaxter, and . Gharbi, Evaluating somatic mutations in long living organisms: The Birnam Oak Project, 3rd UK RAD Sequencing Meeting, 2011.

, single nucleotide polymorphism, variation (polymorphisme) d'une seule paire de bases du génome, entre individus d'une même espèce, SNP

. À-partir-d'une-unité-jugée-homogène, elle-même composée d'une structure sousjacente (2), parfois ignorée, l'unité peut se révéler hétérogène dans sa composition (3), lorsque la structure est prise en compte. Les hétérogénéités peuvent être envisagées hors de la structure qui les porte (4), trouvant chacune une certaine individualité, et cette individualité mène à une idée de communauté

, La question d'échelle (6) pourrait permettre de passer continûment d'une vision à l'autre, à travers l'échelle des niveaux du vivant (des gènes, aux chromosomes, cellules, tissus, individus, colonies, espèces, communautés), à travers l'échelle d'appréhension des phénomènes, déterminée en particulier par les outils (et par notre vision humaine) permettant de décrire certains aspects de certains niveaux, et qui donnent une perception partielle des phénomènes, chaque outil ne permettant d'analyser que ce qu'il éclaire. Figure 8 : de l'homogénéité à la communauté

, Homogénéité (2) Structure sous-jacente (3) Diversité, mosaïque

, Unités s'individualisant de la structure

, Question d'échelle ?

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