Genetic structure of a montane perennial plant: the influence of landscape and flowering phenology
The way that genetic variation is distributed geographically has important conservation and evolutionary implications. Here, we examined the distribution of genetic variation within and among populations of the montane perennial Ipomopsis aggregata. We sampled plants in western Colorado and examined...
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| Veröffentlicht in: | Conservation genetics 2015-12, Vol.16 (6), p.1431-1442 |
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| description | The way that genetic variation is distributed geographically has important conservation and evolutionary implications. Here, we examined the distribution of genetic variation within and among populations of the montane perennial Ipomopsis aggregata. We sampled plants in western Colorado and examined (1) population genetic structure over a geographic area that spanned 130 km, including genetic variation within disturbed and undisturbed sites; (2) the relationship between genetic differentiation and geographic distance; and (3) the relationship between flowering time and genetic differentiation among plants within and among geographic areas. F IS was significantly higher (t test, P = 0.006), expected heterozygosity was significantly lower (t test, P = 0.04), and allelic richness was marginally significantly lower (t test, P = 0.078) among anthropogenically-disturbed sites compared to undisturbed sites. We found moderate genetic differentiation over the area sampled (average pairwise F ST = 0.04; average pairwise [Formula: see text]), but no association of genetic and geographic distance (Mantel test P values 0.44 for F ST and 0.36 for [Formula: see text]). We found a strong association of flowering time and genetic differentiation over small and large spatial scales. Genetic differentiation between early and late flowering plants within a focal site was statistically significant (genic test for population differentiation combined P value |
| doi_str_mv | 10.1007/s10592-015-0751-z |
| format | Article |
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Here, we examined the distribution of genetic variation within and among populations of the montane perennial Ipomopsis aggregata. We sampled plants in western Colorado and examined (1) population genetic structure over a geographic area that spanned 130 km, including genetic variation within disturbed and undisturbed sites; (2) the relationship between genetic differentiation and geographic distance; and (3) the relationship between flowering time and genetic differentiation among plants within and among geographic areas. F IS was significantly higher (t test, P = 0.006), expected heterozygosity was significantly lower (t test, P = 0.04), and allelic richness was marginally significantly lower (t test, P = 0.078) among anthropogenically-disturbed sites compared to undisturbed sites. We found moderate genetic differentiation over the area sampled (average pairwise F ST = 0.04; average pairwise [Formula: see text]), but no association of genetic and geographic distance (Mantel test P values 0.44 for F ST and 0.36 for [Formula: see text]). We found a strong association of flowering time and genetic differentiation over small and large spatial scales. Genetic differentiation between early and late flowering plants within a focal site was statistically significant (genic test for population differentiation combined P value <0.001; F ST = 0.05). There was a significant correlation between genetic distance ([Formula: see text]) and distance in flowering time, when controlling for geographic distance, over the whole geographic area (Partial Mantel test R ₓy = 0.32, P = 0.013). A multiple regression with randomization further supported the inference that flowering time, but not geographic distance or elevation, predicted [Formula: see text] (geographic distance: β = −0.03, P = 0.89; elevation: β = 0.01, P = 0.96; phenological distance: β = 0.30, P = 0.05), but not F ₛₜ (geographic distance: β = −0.02, P = 0.92; elevation: β = 0.14, P = 0.38; phenological distance: β = 0.25, P = 0.11), unless elevation was left out of the model (geographic distance: β = −0.03, P = 0.9; phenological distance: β = 0.29, P = 0.03). The association of flowering time and genetic distance despite the lack of isolation by distance provides further evidence for the usefulness of incorporating this variable into plant landscape genetic studies when possible.</description><identifier>ISSN: 1566-0621</identifier><identifier>EISSN: 1572-9737</identifier><identifier>DOI: 10.1007/s10592-015-0751-z</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal Genetics and Genomics ; Anthropogenic factors ; Biodiversity ; Biomedical and Life Sciences ; Conservation Biology/Ecology ; Ecology ; Elevation ; Evolutionary Biology ; flowering ; Flowering plants ; Flowers & plants ; genetic distance ; Genetic diversity ; Genetic structure ; genetic variation ; Genetics ; heterozygosity ; Ipomopsis aggregata ; Landscape studies ; landscapes ; Life Sciences ; ornamental plants ; perennials ; Phenology ; Plant Genetics and Genomics ; population ; Population differentiation ; Research Article ; t-test</subject><ispartof>Conservation genetics, 2015-12, Vol.16 (6), p.1431-1442</ispartof><rights>Springer Science+Business Media Dordrecht 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-af134df35ec687e4d222640af4d8c999385ddb8140fa32acd6b73c28b476cd1e3</citedby><cites>FETCH-LOGICAL-c373t-af134df35ec687e4d222640af4d8c999385ddb8140fa32acd6b73c28b476cd1e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10592-015-0751-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10592-015-0751-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Suni, Sevan S</creatorcontrib><creatorcontrib>Whiteley, Andrew R</creatorcontrib><title>Genetic structure of a montane perennial plant: the influence of landscape and flowering phenology</title><title>Conservation genetics</title><addtitle>Conserv Genet</addtitle><description>The way that genetic variation is distributed geographically has important conservation and evolutionary implications. Here, we examined the distribution of genetic variation within and among populations of the montane perennial Ipomopsis aggregata. We sampled plants in western Colorado and examined (1) population genetic structure over a geographic area that spanned 130 km, including genetic variation within disturbed and undisturbed sites; (2) the relationship between genetic differentiation and geographic distance; and (3) the relationship between flowering time and genetic differentiation among plants within and among geographic areas. F IS was significantly higher (t test, P = 0.006), expected heterozygosity was significantly lower (t test, P = 0.04), and allelic richness was marginally significantly lower (t test, P = 0.078) among anthropogenically-disturbed sites compared to undisturbed sites. We found moderate genetic differentiation over the area sampled (average pairwise F ST = 0.04; average pairwise [Formula: see text]), but no association of genetic and geographic distance (Mantel test P values 0.44 for F ST and 0.36 for [Formula: see text]). We found a strong association of flowering time and genetic differentiation over small and large spatial scales. Genetic differentiation between early and late flowering plants within a focal site was statistically significant (genic test for population differentiation combined P value <0.001; F ST = 0.05). There was a significant correlation between genetic distance ([Formula: see text]) and distance in flowering time, when controlling for geographic distance, over the whole geographic area (Partial Mantel test R ₓy = 0.32, P = 0.013). A multiple regression with randomization further supported the inference that flowering time, but not geographic distance or elevation, predicted [Formula: see text] (geographic distance: β = −0.03, P = 0.89; elevation: β = 0.01, P = 0.96; phenological distance: β = 0.30, P = 0.05), but not F ₛₜ (geographic distance: β = −0.02, P = 0.92; elevation: β = 0.14, P = 0.38; phenological distance: β = 0.25, P = 0.11), unless elevation was left out of the model (geographic distance: β = −0.03, P = 0.9; phenological distance: β = 0.29, P = 0.03). The association of flowering time and genetic distance despite the lack of isolation by distance provides further evidence for the usefulness of incorporating this variable into plant landscape genetic studies when possible.</description><subject>Animal Genetics and Genomics</subject><subject>Anthropogenic factors</subject><subject>Biodiversity</subject><subject>Biomedical and Life Sciences</subject><subject>Conservation Biology/Ecology</subject><subject>Ecology</subject><subject>Elevation</subject><subject>Evolutionary Biology</subject><subject>flowering</subject><subject>Flowering plants</subject><subject>Flowers & plants</subject><subject>genetic distance</subject><subject>Genetic diversity</subject><subject>Genetic structure</subject><subject>genetic variation</subject><subject>Genetics</subject><subject>heterozygosity</subject><subject>Ipomopsis aggregata</subject><subject>Landscape studies</subject><subject>landscapes</subject><subject>Life Sciences</subject><subject>ornamental plants</subject><subject>perennials</subject><subject>Phenology</subject><subject>Plant Genetics and Genomics</subject><subject>population</subject><subject>Population differentiation</subject><subject>Research Article</subject><subject>t-test</subject><issn>1566-0621</issn><issn>1572-9737</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kE1LxDAQhosoqKs_wJMBL16qmaRNWm-y-AULHtRzyKaTtUs3qUmL6K83az2IB08zDM87vDxZdgL0AiiVlxFoWbOcQplTWUL-uZMdQClZXksud7e7EDkVDPazwxjXlIJgEg6y5R06HFpD4hBGM4wBibdEk413g3ZIegzoXKs70nfaDVdkeEXSOtuN6Mw3m85NNLpHkhZiO_-OoXUr0r-i851ffRxle1Z3EY9_5ix7ub15nt_ni8e7h_n1Ijdc8iHXFnjRWF6iEZXEomGMiYJqWzSVqeuaV2XTLCsoqNWcadOIpeSGVctCCtMA8ll2Pv3tg38bMQ5q00aDXSqIfowKJE-KWAEsoWd_0LUfg0vtEsWqRIiaJgomygQfY0Cr-tBudPhQQNXWupqsq2Rdba2rz5RhUyb2WwsYfn3-J3Q6haz2Sq9CG9XLE0sApakvB8G_ANZejyo</recordid><startdate>20151201</startdate><enddate>20151201</enddate><creator>Suni, Sevan S</creator><creator>Whiteley, Andrew R</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7SS</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope></search><sort><creationdate>20151201</creationdate><title>Genetic structure of a montane perennial plant: the influence of landscape and flowering phenology</title><author>Suni, Sevan S ; Whiteley, Andrew R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-af134df35ec687e4d222640af4d8c999385ddb8140fa32acd6b73c28b476cd1e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Animal Genetics and Genomics</topic><topic>Anthropogenic factors</topic><topic>Biodiversity</topic><topic>Biomedical and Life Sciences</topic><topic>Conservation Biology/Ecology</topic><topic>Ecology</topic><topic>Elevation</topic><topic>Evolutionary Biology</topic><topic>flowering</topic><topic>Flowering plants</topic><topic>Flowers & plants</topic><topic>genetic distance</topic><topic>Genetic diversity</topic><topic>Genetic structure</topic><topic>genetic variation</topic><topic>Genetics</topic><topic>heterozygosity</topic><topic>Ipomopsis aggregata</topic><topic>Landscape studies</topic><topic>landscapes</topic><topic>Life Sciences</topic><topic>ornamental plants</topic><topic>perennials</topic><topic>Phenology</topic><topic>Plant Genetics and Genomics</topic><topic>population</topic><topic>Population differentiation</topic><topic>Research Article</topic><topic>t-test</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suni, Sevan S</creatorcontrib><creatorcontrib>Whiteley, Andrew R</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Health & Medicine (ProQuest)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>ProQuest Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biological Sciences</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Genetics Abstracts</collection><jtitle>Conservation genetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suni, Sevan S</au><au>Whiteley, Andrew R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic structure of a montane perennial plant: the influence of landscape and flowering phenology</atitle><jtitle>Conservation genetics</jtitle><stitle>Conserv Genet</stitle><date>2015-12-01</date><risdate>2015</risdate><volume>16</volume><issue>6</issue><spage>1431</spage><epage>1442</epage><pages>1431-1442</pages><issn>1566-0621</issn><eissn>1572-9737</eissn><abstract>The way that genetic variation is distributed geographically has important conservation and evolutionary implications. Here, we examined the distribution of genetic variation within and among populations of the montane perennial Ipomopsis aggregata. We sampled plants in western Colorado and examined (1) population genetic structure over a geographic area that spanned 130 km, including genetic variation within disturbed and undisturbed sites; (2) the relationship between genetic differentiation and geographic distance; and (3) the relationship between flowering time and genetic differentiation among plants within and among geographic areas. F IS was significantly higher (t test, P = 0.006), expected heterozygosity was significantly lower (t test, P = 0.04), and allelic richness was marginally significantly lower (t test, P = 0.078) among anthropogenically-disturbed sites compared to undisturbed sites. We found moderate genetic differentiation over the area sampled (average pairwise F ST = 0.04; average pairwise [Formula: see text]), but no association of genetic and geographic distance (Mantel test P values 0.44 for F ST and 0.36 for [Formula: see text]). We found a strong association of flowering time and genetic differentiation over small and large spatial scales. Genetic differentiation between early and late flowering plants within a focal site was statistically significant (genic test for population differentiation combined P value <0.001; F ST = 0.05). There was a significant correlation between genetic distance ([Formula: see text]) and distance in flowering time, when controlling for geographic distance, over the whole geographic area (Partial Mantel test R ₓy = 0.32, P = 0.013). A multiple regression with randomization further supported the inference that flowering time, but not geographic distance or elevation, predicted [Formula: see text] (geographic distance: β = −0.03, P = 0.89; elevation: β = 0.01, P = 0.96; phenological distance: β = 0.30, P = 0.05), but not F ₛₜ (geographic distance: β = −0.02, P = 0.92; elevation: β = 0.14, P = 0.38; phenological distance: β = 0.25, P = 0.11), unless elevation was left out of the model (geographic distance: β = −0.03, P = 0.9; phenological distance: β = 0.29, P = 0.03). The association of flowering time and genetic distance despite the lack of isolation by distance provides further evidence for the usefulness of incorporating this variable into plant landscape genetic studies when possible.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10592-015-0751-z</doi><tpages>12</tpages></addata></record> |
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| subjects | Animal Genetics and Genomics Anthropogenic factors Biodiversity Biomedical and Life Sciences Conservation Biology/Ecology Ecology Elevation Evolutionary Biology flowering Flowering plants Flowers & plants genetic distance Genetic diversity Genetic structure genetic variation Genetics heterozygosity Ipomopsis aggregata Landscape studies landscapes Life Sciences ornamental plants perennials Phenology Plant Genetics and Genomics population Population differentiation Research Article t-test |
| title | Genetic structure of a montane perennial plant: the influence of landscape and flowering phenology |
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