TAILIEUCHUNG - Báo cáo lâm nghiệp: "DNA-based control of oak wood geographic origin in the context of the cooperage industry"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài: DNA-based control of oak wood geographic origin in the context of the cooperage industry. | Ann. For. Sci. 61 2004 97-104 INRA EDP Sciences 2004 DOI forest 2003089 97 Original article DNA-based control of oak wood geographic origin in the context of the cooperage industry Marie-France DEGUILLOUXa b Marie-Hélène PEMONGEa Rémy J. PETITb a Institut National de la Recherche Agronomique Unité de Recherches Forestières Équipe de Génétique des Arbres Forestiers 69 Route d Arcachon 33612 Cestas Cedex France b Centre Technique du Bois et de l Ameublement 10 avenue de St-Mandé 75012 Paris France Received 18 September 2002 accepted 20 May 2003 Abstract - The recent growth of the French barrel industry leading to increased importations of oak wood and a general lack of wood origin guarantee has resulted in the demand for a reliable technique permitting to control the provenance of oak wood. In this study we propose to adapt wood traceability technique using chloroplast DNA markers to this industrial context. The retrieval of DNA and haplotype determination has been tested on different types of wood samples that can be collected in cooperage firms and a clear effect of wood treatment on DNA degradation has been observed. Despite the poor quantity and quality of DNA retrieved from staves haplotypes could be determined on a large proportion of the samples permitting to check the genetic conformity of woods with announced provenances. In several cases our study proved the existence of unlabeled oak woods originating from eastern Europe and the incorrect use of the names of famous French forests. chloroplast DNA diversity haplotype Quercus traceability Résumé - Contrôle de l origine géographique des bois de chêne utilises en tonnellerie. L importation croissante de bois de chêne et le manque de garantie sur son origine liés à l expansion récente de la tonnellerie íranẹaise rendent nécessaire la mise au point d une technique fiable permettant de contrôler l origine des bois de chêne. Dans cette étude nous avons cherché à adapter pour ce secteur industriel les .

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