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Microsatellites in the tree Foetidia mauritiana (Lecythidaceae) and utility in other Foetidia taxa from the Mascarene Islands

Martos Florent, Lebreton Gérard, Rivière Eric, Humeau Laurence, Chevallier Marie-Hélène. 2016. Microsatellites in the tree Foetidia mauritiana (Lecythidaceae) and utility in other Foetidia taxa from the Mascarene Islands. Applications in Plant Sciences, 4 (8):e1600034, 4 p.

Journal article ; Article de recherche ; Article de revue à facteur d'impact Revue en libre accès total
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Quartile : Q2, Sujet : PLANT SCIENCES

Abstract : Premise of the study: Polymorphic markers were required for a native tree of the Mascarene Islands, Foetidia mauritiana (Lecythidaceae), to investigate the effects of fragmentation of lowland tropical habitats on tree mating systems and on gene flow. Methods and Results: Using microsatellite enrichment and next-generation sequencing, we identified 13 microsatellite loci (dinucleotide repeats). They were highly polymorphic in 121 trees sampled in the largest three populations on Réunion, revealing 2–17 different alleles per locus. Furthermore, they were found to be polymorphic in conspecific populations on Mauritius and in F. rodriguesiana from Rodrigues. Conclusions: These results indicate the utility of these markers to investigate genetic diversity, mating systems, and gene flow in a genus native to the biodiversity hotspot of Madagascar and the Indian Ocean islands. (Résumé d'auteur)

Mots-clés Agrovoc : Lecythidaceae, Polymorphisme génétique, Flux de gènes, Identification, Flore, Biodiversité, Forêt, Marqueur génétique, Allèle, Organisme indigène, Écosystème forestier, Distribution géographique

Mots-clés géographiques Agrovoc : Madagascar

Mots-clés complémentaires : Foetidia mauritiana, Foetidia rodriguesiana

Mots-clés libres : Ecological restoration, Foetidia mauritiana, Island biotas, Lecythidaceae, Madagascar, Tropical dry forests

Classification Agris : F30 - Plant genetics and breeding
K01 - Forestry - General aspects
F40 - Plant ecology
F70 - Plant taxonomy and geography

Champ stratégique Cirad : Axe 6 (2014-2018) - Sociétés, natures et territoires

Auteurs et affiliations

  • Martos Florent, CIRAD-BIOS-UMR PVBMT (REU)
  • Lebreton Gérard, CIRAD-BIOS-UMR PVBMT (REU)
  • Rivière Eric
  • Humeau Laurence, Université de la Réunion (REU)
  • Chevallier Marie-Hélène, CIRAD-BIOS-UMR PVBMT (REU)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/581440/)

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