Landscape drivers of genomic diversity and divergence in woodland Eucalyptus
Spatial genetic patterns are influenced by numerous factors, and they can vary even among coexisting, closely related species due to differences in dispersal and selection. Eucalyptus (L'Héritier 1789; the “eucalypts”) are foundation tree species that provide essential habitat and modulate ecos...
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| Veröffentlicht in: | Molecular ecology 2019-12, Vol.28 (24), p.5232-5247 |
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| creator | Murray, Kevin D Janes, Jasmine K Jones, Ashley Bothwell, Helen M Andrew, Rose L Borevitz, Justin O |
| description | Spatial genetic patterns are influenced by numerous factors, and they can vary even among coexisting, closely related species due to differences in dispersal and selection. Eucalyptus (L'Héritier 1789; the “eucalypts”) are foundation tree species that provide essential habitat and modulate ecosystem services throughout Australia. Here we present a study of landscape genomic variation in two woodland eucalypt species, using whole‐genome sequencing of 388 individuals of Eucalyptus albens and Eucalyptus sideroxylon. We found exceptionally high genetic diversity (π ≈ 0.05) and low genome‐wide, interspecific differentiation (FST = 0.15) and intraspecific differentiation between localities (FST ≈ 0.01–0.02). We found no support for strong, discrete population structure, but found substantial support for isolation by geographic distance (IBD) in both species. Using generalized dissimilarity modelling, we identified additional isolation by environment (IBE). Eucalyptus albens showed moderate IBD, and environmental variables have a small but significant amount of additional predictive power (i.e. IBE). Eucalyptus sideroxylon showed much stronger IBD and moderate IBE. These results highlight the vast adaptive potential of these species and set the stage for testing evolutionary hypotheses of interspecific adaptive differentiation across environments. |
| doi_str_mv | 10.1111/mec.15287 |
| format | Article |
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Eucalyptus (L'Héritier 1789; the “eucalypts”) are foundation tree species that provide essential habitat and modulate ecosystem services throughout Australia. Here we present a study of landscape genomic variation in two woodland eucalypt species, using whole‐genome sequencing of 388 individuals of Eucalyptus albens and Eucalyptus sideroxylon. We found exceptionally high genetic diversity (π ≈ 0.05) and low genome‐wide, interspecific differentiation (FST = 0.15) and intraspecific differentiation between localities (FST ≈ 0.01–0.02). We found no support for strong, discrete population structure, but found substantial support for isolation by geographic distance (IBD) in both species. Using generalized dissimilarity modelling, we identified additional isolation by environment (IBE). Eucalyptus albens showed moderate IBD, and environmental variables have a small but significant amount of additional predictive power (i.e. IBE). Eucalyptus sideroxylon showed much stronger IBD and moderate IBE. These results highlight the vast adaptive potential of these species and set the stage for testing evolutionary hypotheses of interspecific adaptive differentiation across environments.</description><identifier>ISSN: 0962-1083</identifier><identifier>EISSN: 1365-294X</identifier><identifier>DOI: 10.1111/mec.15287</identifier><identifier>PMID: 31647597</identifier><language>eng</language><publisher>England: Blackwell Publishing Ltd</publisher><subject>adaptation ; angiosperms ; Australia ; Biological evolution ; Differentiation ; Dispersal ; Divergence ; ecological genetics ; Ecosystem ; Ecosystem services ; ecosystems ; Eucalyptus ; Eucalyptus - genetics ; Eucalyptus - growth & development ; Eucalyptus albens ; Eucalyptus sideroxylon ; Evolution ; Forests ; Gene Flow ; Gene sequencing ; Genetic diversity ; genetic variation ; Genetic Variation - genetics ; Genetics, Population ; Genome, Plant - genetics ; Genomes ; Genomics ; habitats ; Interspecific ; landscape genetics ; landscapes ; Original ; ORIGINAL ARTICLES ; population genetics ‐ empirical ; Population structure ; Selection, Genetic ; speciation ; Species ; trees ; Trees - genetics ; Trees - growth & development ; Woodlands</subject><ispartof>Molecular ecology, 2019-12, Vol.28 (24), p.5232-5247</ispartof><rights>2019 The Authors. published by John Wiley & Sons Ltd</rights><rights>2019 The Authors. 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Eucalyptus (L'Héritier 1789; the “eucalypts”) are foundation tree species that provide essential habitat and modulate ecosystem services throughout Australia. Here we present a study of landscape genomic variation in two woodland eucalypt species, using whole‐genome sequencing of 388 individuals of Eucalyptus albens and Eucalyptus sideroxylon. We found exceptionally high genetic diversity (π ≈ 0.05) and low genome‐wide, interspecific differentiation (FST = 0.15) and intraspecific differentiation between localities (FST ≈ 0.01–0.02). We found no support for strong, discrete population structure, but found substantial support for isolation by geographic distance (IBD) in both species. Using generalized dissimilarity modelling, we identified additional isolation by environment (IBE). Eucalyptus albens showed moderate IBD, and environmental variables have a small but significant amount of additional predictive power (i.e. IBE). Eucalyptus sideroxylon showed much stronger IBD and moderate IBE. These results highlight the vast adaptive potential of these species and set the stage for testing evolutionary hypotheses of interspecific adaptive differentiation across environments.</description><subject>adaptation</subject><subject>angiosperms</subject><subject>Australia</subject><subject>Biological evolution</subject><subject>Differentiation</subject><subject>Dispersal</subject><subject>Divergence</subject><subject>ecological genetics</subject><subject>Ecosystem</subject><subject>Ecosystem services</subject><subject>ecosystems</subject><subject>Eucalyptus</subject><subject>Eucalyptus - genetics</subject><subject>Eucalyptus - growth & development</subject><subject>Eucalyptus albens</subject><subject>Eucalyptus sideroxylon</subject><subject>Evolution</subject><subject>Forests</subject><subject>Gene Flow</subject><subject>Gene sequencing</subject><subject>Genetic diversity</subject><subject>genetic variation</subject><subject>Genetic Variation - genetics</subject><subject>Genetics, Population</subject><subject>Genome, Plant - genetics</subject><subject>Genomes</subject><subject>Genomics</subject><subject>habitats</subject><subject>Interspecific</subject><subject>landscape genetics</subject><subject>landscapes</subject><subject>Original</subject><subject>ORIGINAL ARTICLES</subject><subject>population genetics ‐ empirical</subject><subject>Population structure</subject><subject>Selection, Genetic</subject><subject>speciation</subject><subject>Species</subject><subject>trees</subject><subject>Trees - genetics</subject><subject>Trees - growth & development</subject><subject>Woodlands</subject><issn>0962-1083</issn><issn>1365-294X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>EIF</sourceid><recordid>eNqFkU1LxDAQhoMouq4e_ANS8KKHaj6apLkIsqwfsOJFwVtIk1QjbbMm25X990arooI4l0xmHl5m5gVgD8FjlOKktfoYUVzyNTBChNEci-J-HYygYDhHsCRbYDvGJwgRwZRugi2CWMGp4CMwm6nORK3mNjPBLW2Ima-zB9v51unMvFfcYpUlavillraZ67IX703zVp72WjWr-aKPO2CjVk20ux_vGNydT28nl_ns5uJqcjbLdcEZzzmnrEIlqiotYGWEYhVhBTXC1oUplCJlyhDEtIIl51pphHGtjEIYoaKsOBmD00F33letNdp2i6AaOQ-uVWElvXLyZ6dzj_LBLyWHjCLOksDhh0Dwz72NC9m6qG2T9rG-jxKLkgqBGaX_owSWFEOcrjwGB7_QJ9-HLl0iUZgTDJkQiToaKB18jMHWX3MjKN_slMlO-W5nYve_L_pFfvqXgJMBeHGNXf2tJK-nk0HyFWb7qdg</recordid><startdate>201912</startdate><enddate>201912</enddate><creator>Murray, Kevin D</creator><creator>Janes, Jasmine K</creator><creator>Jones, Ashley</creator><creator>Bothwell, Helen M</creator><creator>Andrew, Rose L</creator><creator>Borevitz, Justin O</creator><general>Blackwell Publishing Ltd</general><general>John Wiley and Sons Inc</general><scope>24P</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-2466-1917</orcidid><orcidid>https://orcid.org/0000-0002-4511-2087</orcidid><orcidid>https://orcid.org/0000-0001-8408-3699</orcidid><orcidid>https://orcid.org/0000-0002-7368-1666</orcidid><orcidid>https://orcid.org/0000-0003-0916-8355</orcidid><orcidid>https://orcid.org/0000-0003-0099-8336</orcidid></search><sort><creationdate>201912</creationdate><title>Landscape drivers of genomic diversity and divergence in woodland Eucalyptus</title><author>Murray, Kevin D ; Janes, Jasmine K ; Jones, Ashley ; Bothwell, Helen M ; Andrew, Rose L ; Borevitz, Justin O</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4767-7756b181bbc90bd9a6b3645d9ef4d4aa389ef1025b0877cac122fada121148b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>adaptation</topic><topic>angiosperms</topic><topic>Australia</topic><topic>Biological evolution</topic><topic>Differentiation</topic><topic>Dispersal</topic><topic>Divergence</topic><topic>ecological genetics</topic><topic>Ecosystem</topic><topic>Ecosystem services</topic><topic>ecosystems</topic><topic>Eucalyptus</topic><topic>Eucalyptus - genetics</topic><topic>Eucalyptus - growth & development</topic><topic>Eucalyptus albens</topic><topic>Eucalyptus sideroxylon</topic><topic>Evolution</topic><topic>Forests</topic><topic>Gene Flow</topic><topic>Gene sequencing</topic><topic>Genetic diversity</topic><topic>genetic variation</topic><topic>Genetic Variation - genetics</topic><topic>Genetics, Population</topic><topic>Genome, Plant - genetics</topic><topic>Genomes</topic><topic>Genomics</topic><topic>habitats</topic><topic>Interspecific</topic><topic>landscape genetics</topic><topic>landscapes</topic><topic>Original</topic><topic>ORIGINAL ARTICLES</topic><topic>population genetics ‐ empirical</topic><topic>Population structure</topic><topic>Selection, Genetic</topic><topic>speciation</topic><topic>Species</topic><topic>trees</topic><topic>Trees - genetics</topic><topic>Trees - growth & development</topic><topic>Woodlands</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Murray, Kevin D</creatorcontrib><creatorcontrib>Janes, Jasmine K</creatorcontrib><creatorcontrib>Jones, Ashley</creatorcontrib><creatorcontrib>Bothwell, Helen M</creatorcontrib><creatorcontrib>Andrew, Rose L</creatorcontrib><creatorcontrib>Borevitz, Justin O</creatorcontrib><collection>Wiley Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Molecular ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Murray, Kevin D</au><au>Janes, Jasmine K</au><au>Jones, Ashley</au><au>Bothwell, Helen M</au><au>Andrew, Rose L</au><au>Borevitz, Justin O</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Landscape drivers of genomic diversity and divergence in woodland Eucalyptus</atitle><jtitle>Molecular ecology</jtitle><addtitle>Mol Ecol</addtitle><date>2019-12</date><risdate>2019</risdate><volume>28</volume><issue>24</issue><spage>5232</spage><epage>5247</epage><pages>5232-5247</pages><issn>0962-1083</issn><eissn>1365-294X</eissn><abstract>Spatial genetic patterns are influenced by numerous factors, and they can vary even among coexisting, closely related species due to differences in dispersal and selection. Eucalyptus (L'Héritier 1789; the “eucalypts”) are foundation tree species that provide essential habitat and modulate ecosystem services throughout Australia. Here we present a study of landscape genomic variation in two woodland eucalypt species, using whole‐genome sequencing of 388 individuals of Eucalyptus albens and Eucalyptus sideroxylon. We found exceptionally high genetic diversity (π ≈ 0.05) and low genome‐wide, interspecific differentiation (FST = 0.15) and intraspecific differentiation between localities (FST ≈ 0.01–0.02). We found no support for strong, discrete population structure, but found substantial support for isolation by geographic distance (IBD) in both species. Using generalized dissimilarity modelling, we identified additional isolation by environment (IBE). Eucalyptus albens showed moderate IBD, and environmental variables have a small but significant amount of additional predictive power (i.e. IBE). Eucalyptus sideroxylon showed much stronger IBD and moderate IBE. These results highlight the vast adaptive potential of these species and set the stage for testing evolutionary hypotheses of interspecific adaptive differentiation across environments.</abstract><cop>England</cop><pub>Blackwell Publishing Ltd</pub><pmid>31647597</pmid><doi>10.1111/mec.15287</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0002-2466-1917</orcidid><orcidid>https://orcid.org/0000-0002-4511-2087</orcidid><orcidid>https://orcid.org/0000-0001-8408-3699</orcidid><orcidid>https://orcid.org/0000-0002-7368-1666</orcidid><orcidid>https://orcid.org/0000-0003-0916-8355</orcidid><orcidid>https://orcid.org/0000-0003-0099-8336</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | adaptation angiosperms Australia Biological evolution Differentiation Dispersal Divergence ecological genetics Ecosystem Ecosystem services ecosystems Eucalyptus Eucalyptus - genetics Eucalyptus - growth & development Eucalyptus albens Eucalyptus sideroxylon Evolution Forests Gene Flow Gene sequencing Genetic diversity genetic variation Genetic Variation - genetics Genetics, Population Genome, Plant - genetics Genomes Genomics habitats Interspecific landscape genetics landscapes Original ORIGINAL ARTICLES population genetics ‐ empirical Population structure Selection, Genetic speciation Species trees Trees - genetics Trees - growth & development Woodlands |
| title | Landscape drivers of genomic diversity and divergence in woodland Eucalyptus |
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