Phylogeography of Tibouchina papyrus (Pohl) Toledo (Melastomataceae), an endangered tree species from rocky savannas, suggests bidirectional expansion due to climate cooling in the Pleistocene
Many endemic species present disjunct geographical distribution; therefore, they are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. We studied the genetic structure and phylogeography of Tibouchi...
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| Veröffentlicht in: | Ecology and evolution 2012-05, Vol.2 (5), p.1024-1035 |
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| creator | Collevatti, Rosane Garcia de Castro, Thaís Guimarães de Souza Lima, Jacqueline de Campos Telles, Mariana Pires |
| description | Many endemic species present disjunct geographical distribution; therefore, they are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. We studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution. We sampled 474 individuals from the three localities where the species is reported: Serra dos Pirineus, Serra Dourada, and Serra de Natividade. Analyses were based on the polymorphisms at cpDNA and on nuclear microsatellite loci. To test for vicariance and dispersal we constructed a median‐joining network and performed an analysis of molecular variance (AMOVA). We also tested population bottleneck and estimated demographic parameters and time to most recent common ancestor (TMRCA) using coalescent analyses. A remarkable differentiation among populations was found. No significant effect of population expansion was detected and coalescent analyses showed a negligible gene flow among populations and an ancient coalescence time for chloroplast genome. Our results support that the disjunct distribution of T. papyrus may represent a climatic relict. With an estimated TMRCA dated from ∼836.491 ± 107.515 kyr BP (before present), we hypothesized that the disjunct distribution may be the outcome of bidirectional expansion of the geographical distribution favored by the drier and colder conditions that prevailed in much of Brazil during the Pre‐Illinoian glaciation, followed by the retraction as the climate became warmer and moister.
Many endemic species present disjunct geographical distribution and like so are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. Here we studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution. |
| doi_str_mv | 10.1002/ece3.236 |
| format | Article |
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Many endemic species present disjunct geographical distribution and like so are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. Here we studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution.</description><identifier>ISSN: 2045-7758</identifier><identifier>EISSN: 2045-7758</identifier><identifier>DOI: 10.1002/ece3.236</identifier><identifier>PMID: 22837846</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Bats ; Biogeography ; Cerrado rupestre ; Chloroplasts ; Climate change ; climatic relict ; Coalescence ; coalescent analysis ; cpDNA ; disjunct geographical distribution ; Dispersal ; Endangered plants ; Endangered species ; Endemic species ; Gene flow ; Genetic structure ; Geographical distribution ; Glaciation ; Glaciology ; Hypotheses ; Integrated software ; Melastomataceae ; microsatellites ; Original Research ; Phylogenetics ; Phylogeography ; Plant species ; Pleistocene ; Population bottleneck ; Population genetics ; Population growth ; Populations ; Savannahs ; Tibouchina ; Trees ; Trends ; Variance analysis</subject><ispartof>Ecology and evolution, 2012-05, Vol.2 (5), p.1024-1035</ispartof><rights>2011 The Authors. published by Blackwell Publishing Ltd.</rights><rights>2012. 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Published by Blackwell Publishing Ltd. 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4716-8853b4b73eb51b3c258a6ff41642497a560f954bcc616e9bb8d05f89b57ef54d3</citedby><cites>FETCH-LOGICAL-c4716-8853b4b73eb51b3c258a6ff41642497a560f954bcc616e9bb8d05f89b57ef54d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3399167/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3399167/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,1417,11561,27923,27924,45573,45574,46051,46475,53790,53792</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22837846$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Collevatti, Rosane Garcia</creatorcontrib><creatorcontrib>de Castro, Thaís Guimarães</creatorcontrib><creatorcontrib>de Souza Lima, Jacqueline</creatorcontrib><creatorcontrib>de Campos Telles, Mariana Pires</creatorcontrib><title>Phylogeography of Tibouchina papyrus (Pohl) Toledo (Melastomataceae), an endangered tree species from rocky savannas, suggests bidirectional expansion due to climate cooling in the Pleistocene</title><title>Ecology and evolution</title><addtitle>Ecol Evol</addtitle><description>Many endemic species present disjunct geographical distribution; therefore, they are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. We studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution. We sampled 474 individuals from the three localities where the species is reported: Serra dos Pirineus, Serra Dourada, and Serra de Natividade. Analyses were based on the polymorphisms at cpDNA and on nuclear microsatellite loci. To test for vicariance and dispersal we constructed a median‐joining network and performed an analysis of molecular variance (AMOVA). We also tested population bottleneck and estimated demographic parameters and time to most recent common ancestor (TMRCA) using coalescent analyses. A remarkable differentiation among populations was found. No significant effect of population expansion was detected and coalescent analyses showed a negligible gene flow among populations and an ancient coalescence time for chloroplast genome. Our results support that the disjunct distribution of T. papyrus may represent a climatic relict. With an estimated TMRCA dated from ∼836.491 ± 107.515 kyr BP (before present), we hypothesized that the disjunct distribution may be the outcome of bidirectional expansion of the geographical distribution favored by the drier and colder conditions that prevailed in much of Brazil during the Pre‐Illinoian glaciation, followed by the retraction as the climate became warmer and moister.
Many endemic species present disjunct geographical distribution and like so are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. Here we studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution.</description><subject>Bats</subject><subject>Biogeography</subject><subject>Cerrado rupestre</subject><subject>Chloroplasts</subject><subject>Climate change</subject><subject>climatic relict</subject><subject>Coalescence</subject><subject>coalescent analysis</subject><subject>cpDNA</subject><subject>disjunct geographical distribution</subject><subject>Dispersal</subject><subject>Endangered plants</subject><subject>Endangered species</subject><subject>Endemic species</subject><subject>Gene flow</subject><subject>Genetic structure</subject><subject>Geographical distribution</subject><subject>Glaciation</subject><subject>Glaciology</subject><subject>Hypotheses</subject><subject>Integrated software</subject><subject>Melastomataceae</subject><subject>microsatellites</subject><subject>Original Research</subject><subject>Phylogenetics</subject><subject>Phylogeography</subject><subject>Plant species</subject><subject>Pleistocene</subject><subject>Population bottleneck</subject><subject>Population genetics</subject><subject>Population growth</subject><subject>Populations</subject><subject>Savannahs</subject><subject>Tibouchina</subject><subject>Trees</subject><subject>Trends</subject><subject>Variance analysis</subject><issn>2045-7758</issn><issn>2045-7758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkt1u1DAQhSMEolWpxBOgkbhppW5x7NhJbpDQavmRitiL5dpynEni4rWDnRTydjwaXrWUgoTwjUeaT2fO2CfLnufkMieEvkKN7JIy8Sg7pqTgq7Lk1eMH9VF2GuM1SUcQWpDyaXZEacXKqhDH2Y_tsFjfo--DGocFfAc70_hZD8YpGNW4hDnC2dYP9hx23mLr4ewjWhUnv1eT0qjw_AKUA3Stcj0GbGEKiBBH1AYjdMHvIXj9ZYGobpRzKl5AnPse4xShMa0JqCfjnbKA30flYqqhnREmD9qaNAVBe2-N68E4mAaErUWTDGh0-Cx70ikb8fTuPsk-v93s1u9XV5_efVi_uVrposzFqqo4a4qmZNjwvGGa8kqJrityUdCiLhUXpKt50WgtcoF101Qt4V1VN7zEjhctO8le3-qOc7PHNo2egrJyDMlgWKRXRv7ZcWaQvb-RjNV1LsokcHYnEPzXOS0v9yZqtFY59HOUeZlTLmrC6v-jhBGS_o_lCX35F3rt55DeMkpGREkpqQX9LaiDjzFgd-87J_IQInkIkUwhSuiLh3veg78ik4DVLfDNWFz-KSQ36w07CP4EGW_T5Q</recordid><startdate>201205</startdate><enddate>201205</enddate><creator>Collevatti, Rosane Garcia</creator><creator>de Castro, Thaís Guimarães</creator><creator>de Souza Lima, Jacqueline</creator><creator>de Campos Telles, Mariana Pires</creator><general>Blackwell Publishing Ltd</general><general>John Wiley & Sons, Inc</general><scope>24P</scope><scope>WIN</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7X2</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</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>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope><scope>7U6</scope><scope>5PM</scope></search><sort><creationdate>201205</creationdate><title>Phylogeography of Tibouchina papyrus (Pohl) Toledo (Melastomataceae), an endangered tree species from rocky savannas, suggests bidirectional expansion due to climate cooling in the Pleistocene</title><author>Collevatti, Rosane Garcia ; de Castro, Thaís Guimarães ; de Souza Lima, Jacqueline ; de Campos Telles, Mariana Pires</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4716-8853b4b73eb51b3c258a6ff41642497a560f954bcc616e9bb8d05f89b57ef54d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Bats</topic><topic>Biogeography</topic><topic>Cerrado rupestre</topic><topic>Chloroplasts</topic><topic>Climate change</topic><topic>climatic relict</topic><topic>Coalescence</topic><topic>coalescent analysis</topic><topic>cpDNA</topic><topic>disjunct geographical distribution</topic><topic>Dispersal</topic><topic>Endangered plants</topic><topic>Endangered species</topic><topic>Endemic species</topic><topic>Gene flow</topic><topic>Genetic structure</topic><topic>Geographical distribution</topic><topic>Glaciation</topic><topic>Glaciology</topic><topic>Hypotheses</topic><topic>Integrated software</topic><topic>Melastomataceae</topic><topic>microsatellites</topic><topic>Original Research</topic><topic>Phylogenetics</topic><topic>Phylogeography</topic><topic>Plant species</topic><topic>Pleistocene</topic><topic>Population bottleneck</topic><topic>Population genetics</topic><topic>Population growth</topic><topic>Populations</topic><topic>Savannahs</topic><topic>Tibouchina</topic><topic>Trees</topic><topic>Trends</topic><topic>Variance analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Collevatti, Rosane Garcia</creatorcontrib><creatorcontrib>de Castro, Thaís Guimarães</creatorcontrib><creatorcontrib>de Souza Lima, Jacqueline</creatorcontrib><creatorcontrib>de Campos Telles, Mariana Pires</creatorcontrib><collection>Wiley-Blackwell Open Access Titles</collection><collection>Wiley Free Content</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection (ProQuest)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Sustainability Science Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Ecology and evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Collevatti, Rosane Garcia</au><au>de Castro, Thaís Guimarães</au><au>de Souza Lima, Jacqueline</au><au>de Campos Telles, Mariana Pires</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phylogeography of Tibouchina papyrus (Pohl) Toledo (Melastomataceae), an endangered tree species from rocky savannas, suggests bidirectional expansion due to climate cooling in the Pleistocene</atitle><jtitle>Ecology and evolution</jtitle><addtitle>Ecol Evol</addtitle><date>2012-05</date><risdate>2012</risdate><volume>2</volume><issue>5</issue><spage>1024</spage><epage>1035</epage><pages>1024-1035</pages><issn>2045-7758</issn><eissn>2045-7758</eissn><abstract>Many endemic species present disjunct geographical distribution; therefore, they are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. We studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution. We sampled 474 individuals from the three localities where the species is reported: Serra dos Pirineus, Serra Dourada, and Serra de Natividade. Analyses were based on the polymorphisms at cpDNA and on nuclear microsatellite loci. To test for vicariance and dispersal we constructed a median‐joining network and performed an analysis of molecular variance (AMOVA). We also tested population bottleneck and estimated demographic parameters and time to most recent common ancestor (TMRCA) using coalescent analyses. A remarkable differentiation among populations was found. No significant effect of population expansion was detected and coalescent analyses showed a negligible gene flow among populations and an ancient coalescence time for chloroplast genome. Our results support that the disjunct distribution of T. papyrus may represent a climatic relict. With an estimated TMRCA dated from ∼836.491 ± 107.515 kyr BP (before present), we hypothesized that the disjunct distribution may be the outcome of bidirectional expansion of the geographical distribution favored by the drier and colder conditions that prevailed in much of Brazil during the Pre‐Illinoian glaciation, followed by the retraction as the climate became warmer and moister.
Many endemic species present disjunct geographical distribution and like so are suitable models to test hypotheses about the ecological and evolutionary mechanisms involved in the origin of disjunct distributions in these habitats. Here we studied the genetic structure and phylogeography of Tibouchina papyrus (Melastomataceae), endemic to rocky savannas in Central Brazil, to test hypothesis of vicariance and dispersal in the origin of the disjunct geographical distribution.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>22837846</pmid><doi>10.1002/ece3.236</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Bats Biogeography Cerrado rupestre Chloroplasts Climate change climatic relict Coalescence coalescent analysis cpDNA disjunct geographical distribution Dispersal Endangered plants Endangered species Endemic species Gene flow Genetic structure Geographical distribution Glaciation Glaciology Hypotheses Integrated software Melastomataceae microsatellites Original Research Phylogenetics Phylogeography Plant species Pleistocene Population bottleneck Population genetics Population growth Populations Savannahs Tibouchina Trees Trends Variance analysis |
| title | Phylogeography of Tibouchina papyrus (Pohl) Toledo (Melastomataceae), an endangered tree species from rocky savannas, suggests bidirectional expansion due to climate cooling in the Pleistocene |
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