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Genetic diversity and differentiation among the species of African mahogany (Khaya spp.) based on a large SNP array

hal.structure.identifierThünen Institute of Forest Genetics
dc.contributor.authorPAKULL, Birte
hal.structure.identifierCGIAR
dc.contributor.authorEKUÉ, Marius R. M.
hal.structure.identifierCentre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
hal.structure.identifierUniversité Marien Ngouabi [Brazzaville] [UMNG]
dc.contributor.authorBOUKA DIPELET, Ulrich G.
hal.structure.identifierCentre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
dc.contributor.authorDOUMENGE, Charles
hal.structure.identifierCentre d’Ecologie Fonctionnelle et Evolutive [CEFE]
dc.contributor.authorMCKEY, Doyle B.
hal.structure.identifierUniversité Marien Ngouabi [Brazzaville] [UMNG]
dc.contributor.authorLOUMETO, Jean Joël
hal.structure.identifierUniversity of Energy and Natural Resources [UENR]
dc.contributor.authorOPUNI-FRIMPONG, Emmanuel
hal.structure.identifierFaculty of Agronomy
dc.contributor.authorYOROU, Soulemane N.
hal.structure.identifierUniversité Joseph Ki-Zerbo [Université de Ouagadougou, Burkina Faso] [UJZK]
dc.contributor.authorNACOULMA, Blandine M. Y.
hal.structure.identifierUniversité de Lomé [Togo]
dc.contributor.authorGUELLY, Kudzo A.
hal.structure.identifierSilo National des Graines Forestières
dc.contributor.authorRAMAMONJISOA, Lolona
hal.structure.identifierDouble Helix Tracking Technology
dc.contributor.authorTHOMAS, Darren
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorGUICHOUX, Erwan
hal.structure.identifierCGIAR
dc.contributor.authorLOO, Judy
hal.structure.identifierThünen Institute of Forest Genetics
dc.contributor.authorDEGEN, Bernd
dc.date.issued2019
dc.identifier.issn1566-0621
dc.description.abstractEnThe genus Khaya includes some of the highest-value timber species in natural forests in Africa, which are under heavy exploitation pressure. Genetic identification of Khaya species is important to confirm the taxonomic classification for biodiversity conservation purposes and as a forensic tool aiding law enforcement in the fight against illegal logging. We collected samples from a total of 2222 trees belonging to five or six (depending on classification) different Khaya species (K. ivorensis, K. anthotheca/K. nyasica, K. grandifoliola, K. senegalensis, K. madagascariensis). Representative sampling was conducted over the natural ranges of all sampled Khaya species, in humid tropical forest and savanna zones. We genotyped individuals based on 101 molecular markers (67 nuclear, 11 chloroplast and 22 mitochondrial SNPs, 1 chloroplast indel). Bayesian clustering produced three main genetic groups assigning all K. ivorensis and all K. senegalensis trees, respectively, in two different clusters and all remaining individuals in a third cluster. Genetic self-assignment tests with all 101 SNPs had success rates of 97-100% for all species except for K. nyasica and K. madagascariensis, which could not be clearly distinguished from each other. A success rate for species identification nearly as high was observed using a subset of 15 highly differentiated SNPs. There was only very little evidence for hybridization among species and the vast majority (> 97%) of individuals were assigned to the same species group as identified based on morphological characters.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subjectafrica
dc.subject.engenetic assignment
dc.subject.enspecies identification
dc.subject.entimber
dc.subject.entropical tree
dc.title.enGenetic diversity and differentiation among the species of African mahogany (Khaya spp.) based on a large SNP array
dc.typeArticle de revue
dc.identifier.doi10.1007/s10592-019-01191-3
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalConservation Genetics
bordeaux.page1035-1044
bordeaux.volume20
bordeaux.issue5
bordeaux.peerReviewedoui
hal.identifierhal-02618881
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02618881v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Conservation%20Genetics&rft.date=2019&rft.volume=20&rft.issue=5&rft.spage=1035-1044&rft.epage=1035-1044&rft.eissn=1566-0621&rft.issn=1566-0621&rft.au=PAKULL,%20Birte&EKU%C3%89,%20Marius%20R.%20M.&BOUKA%20DIPELET,%20Ulrich%20G.&DOUMENGE,%20Charles&MCKEY,%20Doyle%20B.&rft.genre=article


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