Genomic evidence of introgression and adaptation in a model subtropical tree species, Eucalyptus grandis

Marja Mirjam Mostert‐O’Neill; Sharon Melissa Reynolds; Juan Jose Acosta; David John Lee; Justin O Borevitz; Alexander Andrew Myburg

doi:10.1111/mec.15615

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Genomic evidence of introgression and adaptation in a model subtropical tree species, Eucalyptus grandis

Journal article

Peer reviewed

Genomic evidence of introgression and adaptation in a model subtropical tree species, Eucalyptus grandis

Marja Mirjam Mostert‐O’Neill, Sharon Melissa Reynolds, Juan Jose Acosta, David John Lee, Justin O Borevitz and Alexander Andrew Myburg

Molecular Ecology, Vol.30(3), pp.625-638

2021

DOI: https://doi.org/10.1111/mec.15615

PMID: 32881106

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Abstract

ancestry mapping

environmental association

introgression

population genomics

The genetic consequences of adaptation to changing environments can be deciphered using population genomics, which may help predict species' responses to global climate change. Towards this, we used genome‐wide SNP marker analysis to determine population structure and patterns of genetic differentiation in terms of neutral and adaptive genetic variation in the natural range of Eucalyptus grandis, a widely cultivated subtropical and temperate species, serving as genomic reference for the genus. We analysed introgression patterns at subchromosomal resolution using a modified ancestry mapping approach and identified provenances with extensive interspecific introgression in response to increased aridity. Furthermore, we describe potentially adaptive genetic variation as explained by environment‐associated SNP markers, which also led to the discovery of what is likely a large structural variant. Finally, we show that genes linked to these markers are enr

Details

Title: Genomic evidence of introgression and adaptation in a model subtropical tree species, Eucalyptus grandis
Authors: Marja Mirjam Mostert‐O’Neill (Author) - University of Pretoria
Sharon Melissa Reynolds (Author) - University of Pretoria
Juan Jose Acosta (Author) - North Carolina State University
David John Lee (Author) - University of the Sunshine Coast, Queensland, Forest Industries Research Centre
Justin O Borevitz (Author) - Australian National University
Alexander Andrew Myburg (Corresponding Author) - University of Pretoria
Publication details: Molecular Ecology, Vol.30(3), pp.625-638
Publisher: Wiley-Blackwell Publishing Ltd.
DOI: 10.1111/mec.15615
ISSN: 1365-294X
PMID: 32881106
Organisation Unit: Forest Industries Research Centre; Tropical Forests & People Research Centre; University of the Sunshine Coast, Queensland; Forest Research Institute
Language: English
Record Identifier: 99482300002621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Biochemistry & Molecular Biology; Ecology; Evolutionary Biology

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