Genetic relationships and variation in reproductive strategies in four closely related bromeliads adapted to neotropical 'inselbergs': Alcantarea glaziouana, A. regina, A. geniculata and A. imperialis (Bromeliaceae)
BACKGROUND AND AIMS: Bromeliads (Bromeliaceae) adapted to rock outcrops or 'inselbergs' in neotropical rain forests have been identified as suitable plant models for studying population divergence and speciation during continental plant radiations. Little is known about genetic relationshi...
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description | BACKGROUND AND AIMS: Bromeliads (Bromeliaceae) adapted to rock outcrops or 'inselbergs' in neotropical rain forests have been identified as suitable plant models for studying population divergence and speciation during continental plant radiations. Little is known about genetic relationships and variation in reproductive strategies within and among inselberg-adapted species, yet knowledge of these parameters is important for understanding divergence processes and for conservation planning. METHODS: Nuclear microsatellites were used to assess the role of clonal reproduction, estimate genetic diversity and explore genetic relationships and variation in reproductive strategies for a total of 15 populations of four closely related Alcantarea inselberg species in south-eastern Brazil: A. glaziouana, A. regina, A. geniculata and A. imperialis. KEY RESULTS: Clonal propagation is frequent in coastal populations of A. glaziouana and A. regina, but absent in the high-altitude species A. geniculata and A. imperialis. Considerable variation in clonal diversity, gene diversity (He), allelic richness, and Wright's inbreeding coefficient (FIS) exists within and between species of Alcantarea. A Bayesian analysis of coastal inselberg species indicated pronounced genetic structure. A neighbor-joining analysis grouped populations of each species together with moderate bootstrap support, except for the high altitude species A. imperialis. CONCLUSIONS: The coastal inselberg species A. glaziouana and A. regina tend to propagate asexually via vegetative clonal growth, and both reproductive strategies and breeding systems vary greatly between populations and species of Alcantarea. The microsatellite data indicate a history of hybridization and reticulation involving the high-altitude species A. geniculata and A. imperialis in areas of co-occurrence. The results highlight the need to understand similarities and differences in reproductive strategies both within and between related species for conservation planning and as a basis for understanding evolutionary processes in tropical radiations. |
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Little is known about genetic relationships and variation in reproductive strategies within and among inselberg-adapted species, yet knowledge of these parameters is important for understanding divergence processes and for conservation planning. METHODS: Nuclear microsatellites were used to assess the role of clonal reproduction, estimate genetic diversity and explore genetic relationships and variation in reproductive strategies for a total of 15 populations of four closely related Alcantarea inselberg species in south-eastern Brazil: A. glaziouana, A. regina, A. geniculata and A. imperialis. KEY RESULTS: Clonal propagation is frequent in coastal populations of A. glaziouana and A. regina, but absent in the high-altitude species A. geniculata and A. imperialis. Considerable variation in clonal diversity, gene diversity (He), allelic richness, and Wright's inbreeding coefficient (FIS) exists within and between species of Alcantarea. A Bayesian analysis of coastal inselberg species indicated pronounced genetic structure. A neighbor-joining analysis grouped populations of each species together with moderate bootstrap support, except for the high altitude species A. imperialis. CONCLUSIONS: The coastal inselberg species A. glaziouana and A. regina tend to propagate asexually via vegetative clonal growth, and both reproductive strategies and breeding systems vary greatly between populations and species of Alcantarea. The microsatellite data indicate a history of hybridization and reticulation involving the high-altitude species A. geniculata and A. imperialis in areas of co-occurrence. The results highlight the need to understand similarities and differences in reproductive strategies both within and between related species for conservation planning and as a basis for understanding evolutionary processes in tropical radiations.</description><identifier>ISSN: 0305-7364</identifier><identifier>EISSN: 1095-8290</identifier><identifier>DOI: 10.1093/aob/mcn226</identifier><identifier>PMID: 19074451</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><subject>Alcantarea ; Atlantic Rainforest ; Biological taxonomies ; Brazil ; Bromeliaceae ; Bromeliaceae - classification ; Bromeliaceae - genetics ; clonality ; Ecological genetics ; Evolution, Molecular ; Evolutionary genetics ; Gene flow ; Gene Flow - genetics ; Genetic diversity ; Genetic variation ; Genotype ; Geography ; Imperialism ; Inbreeding coefficient ; inselberg ; Microsatellite Repeats - genetics ; microsatellites ; Original ; Plants ; Population genetics ; Regina ; reproductive strategy ; Tropical Climate</subject><ispartof>Annals of botany, 2009, Vol.103 (1), p.65-77</ispartof><rights>Annals of Botany Company 2009</rights><rights>The Author 2008. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org 2009</rights><rights>The Author 2008. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c581t-d5bd2dc6f3c19fc43bb31d3f0a5d1fda4c2ac348d3eb87857de514a6dccdcfaf3</citedby><cites>FETCH-LOGICAL-c581t-d5bd2dc6f3c19fc43bb31d3f0a5d1fda4c2ac348d3eb87857de514a6dccdcfaf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/43575935$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/43575935$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,727,780,784,803,885,1584,4024,27923,27924,27925,53791,53793,58017,58250</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19074451$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Barbará, Thelma</creatorcontrib><creatorcontrib>Martinelli, Gustavo</creatorcontrib><creatorcontrib>Palma-Silva, Clarisse</creatorcontrib><creatorcontrib>Fay, Michael F</creatorcontrib><creatorcontrib>Mayo, Simon</creatorcontrib><creatorcontrib>Lexer, Christian</creatorcontrib><title>Genetic relationships and variation in reproductive strategies in four closely related bromeliads adapted to neotropical 'inselbergs': Alcantarea glaziouana, A. regina, A. geniculata and A. imperialis (Bromeliaceae)</title><title>Annals of botany</title><addtitle>Ann Bot</addtitle><description>BACKGROUND AND AIMS: Bromeliads (Bromeliaceae) adapted to rock outcrops or 'inselbergs' in neotropical rain forests have been identified as suitable plant models for studying population divergence and speciation during continental plant radiations. Little is known about genetic relationships and variation in reproductive strategies within and among inselberg-adapted species, yet knowledge of these parameters is important for understanding divergence processes and for conservation planning. METHODS: Nuclear microsatellites were used to assess the role of clonal reproduction, estimate genetic diversity and explore genetic relationships and variation in reproductive strategies for a total of 15 populations of four closely related Alcantarea inselberg species in south-eastern Brazil: A. glaziouana, A. regina, A. geniculata and A. imperialis. KEY RESULTS: Clonal propagation is frequent in coastal populations of A. glaziouana and A. regina, but absent in the high-altitude species A. geniculata and A. imperialis. Considerable variation in clonal diversity, gene diversity (He), allelic richness, and Wright's inbreeding coefficient (FIS) exists within and between species of Alcantarea. A Bayesian analysis of coastal inselberg species indicated pronounced genetic structure. A neighbor-joining analysis grouped populations of each species together with moderate bootstrap support, except for the high altitude species A. imperialis. CONCLUSIONS: The coastal inselberg species A. glaziouana and A. regina tend to propagate asexually via vegetative clonal growth, and both reproductive strategies and breeding systems vary greatly between populations and species of Alcantarea. The microsatellite data indicate a history of hybridization and reticulation involving the high-altitude species A. geniculata and A. imperialis in areas of co-occurrence. The results highlight the need to understand similarities and differences in reproductive strategies both within and between related species for conservation planning and as a basis for understanding evolutionary processes in tropical radiations.</description><subject>Alcantarea</subject><subject>Atlantic Rainforest</subject><subject>Biological taxonomies</subject><subject>Brazil</subject><subject>Bromeliaceae</subject><subject>Bromeliaceae - classification</subject><subject>Bromeliaceae - genetics</subject><subject>clonality</subject><subject>Ecological genetics</subject><subject>Evolution, Molecular</subject><subject>Evolutionary genetics</subject><subject>Gene flow</subject><subject>Gene Flow - genetics</subject><subject>Genetic diversity</subject><subject>Genetic variation</subject><subject>Genotype</subject><subject>Geography</subject><subject>Imperialism</subject><subject>Inbreeding coefficient</subject><subject>inselberg</subject><subject>Microsatellite Repeats - genetics</subject><subject>microsatellites</subject><subject>Original</subject><subject>Plants</subject><subject>Population genetics</subject><subject>Regina</subject><subject>reproductive strategy</subject><subject>Tropical Climate</subject><issn>0305-7364</issn><issn>1095-8290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkk9v1DAQxSMEoqVw4Q5YSNCC2NaO42TDAamtYIvUCiEoqrhYE3uSepu1g51UlC_K18HbrJY_h3KyNe_nZ_vNJMlDRncZLfkeuGpvoWya5reSzVgRk2la0tvJJuVUTAqeZxvJvRDmlNI0L9ndZIOVtMgywTaTnzO02BtFPLbQG2fDuekCAavJJXhzXSLGRrnzTg-qN5dIQu-hx8ZgWEq1GzxRrQvYXo02qEnl3QJbAzp6aeiWpd4Ri673rjMKWrJtbDxRoW_C9muy3yqwPXgE0rTww7gBLLwi-7vRsTGrbYPWqCFeANcPjBWz6DC-sjWB7BysrlQI-OJ-cqeGNuCD1bqVnL57-_nwaHL8Yfb-cP94osSU9RMtKp1qlddcsbJWGa8qzjSvKQjNag2ZSkHxbKo5VtNiKgqNgmWQa6W0qqHmW8mb0bcbqgVqhTZm08rOmwX4K-nAyL8Va85l4y5lWtAiLUU0eL4y8O7bgKGXCxMUti3EsIYg8zw2kJX8v2BK05IXBYvgzo0gKyjLIiqWnk__QeexmTYGJlkpKE85W_q9HCHlXQge6_XvGJXLAZRxAOU4gBF-_Gcev9HVxEXg2Qi4obvZ6NHIzUPv_JrMuChEyZe5TUbdhB6_r3XwFzImVgh5dPZVfjw5E3R2cCK_RP7JyNfgJDTeBHn6KaWMUybyMjaD_wIIeQwu</recordid><startdate>2009</startdate><enddate>2009</enddate><creator>Barbará, Thelma</creator><creator>Martinelli, Gustavo</creator><creator>Palma-Silva, Clarisse</creator><creator>Fay, Michael F</creator><creator>Mayo, Simon</creator><creator>Lexer, Christian</creator><general>Oxford University Press</general><general>Oxford Publishing Limited (England)</general><scope>FBQ</scope><scope>BSCLL</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>7QO</scope><scope>7SN</scope><scope>7T7</scope><scope>7TM</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>2009</creationdate><title>Genetic relationships and variation in reproductive strategies in four closely related bromeliads adapted to neotropical 'inselbergs': Alcantarea glaziouana, A. regina, A. geniculata and A. imperialis (Bromeliaceae)</title><author>Barbará, Thelma ; Martinelli, Gustavo ; Palma-Silva, Clarisse ; Fay, Michael F ; Mayo, Simon ; Lexer, Christian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c581t-d5bd2dc6f3c19fc43bb31d3f0a5d1fda4c2ac348d3eb87857de514a6dccdcfaf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Alcantarea</topic><topic>Atlantic Rainforest</topic><topic>Biological taxonomies</topic><topic>Brazil</topic><topic>Bromeliaceae</topic><topic>Bromeliaceae - classification</topic><topic>Bromeliaceae - genetics</topic><topic>clonality</topic><topic>Ecological genetics</topic><topic>Evolution, Molecular</topic><topic>Evolutionary genetics</topic><topic>Gene flow</topic><topic>Gene Flow - genetics</topic><topic>Genetic diversity</topic><topic>Genetic variation</topic><topic>Genotype</topic><topic>Geography</topic><topic>Imperialism</topic><topic>Inbreeding coefficient</topic><topic>inselberg</topic><topic>Microsatellite Repeats - genetics</topic><topic>microsatellites</topic><topic>Original</topic><topic>Plants</topic><topic>Population genetics</topic><topic>Regina</topic><topic>reproductive strategy</topic><topic>Tropical Climate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Barbará, Thelma</creatorcontrib><creatorcontrib>Martinelli, Gustavo</creatorcontrib><creatorcontrib>Palma-Silva, Clarisse</creatorcontrib><creatorcontrib>Fay, Michael F</creatorcontrib><creatorcontrib>Mayo, Simon</creatorcontrib><creatorcontrib>Lexer, Christian</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Annals of botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Barbará, Thelma</au><au>Martinelli, Gustavo</au><au>Palma-Silva, Clarisse</au><au>Fay, Michael F</au><au>Mayo, Simon</au><au>Lexer, Christian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic relationships and variation in reproductive strategies in four closely related bromeliads adapted to neotropical 'inselbergs': Alcantarea glaziouana, A. regina, A. geniculata and A. imperialis (Bromeliaceae)</atitle><jtitle>Annals of botany</jtitle><addtitle>Ann Bot</addtitle><date>2009</date><risdate>2009</risdate><volume>103</volume><issue>1</issue><spage>65</spage><epage>77</epage><pages>65-77</pages><issn>0305-7364</issn><eissn>1095-8290</eissn><abstract>BACKGROUND AND AIMS: Bromeliads (Bromeliaceae) adapted to rock outcrops or 'inselbergs' in neotropical rain forests have been identified as suitable plant models for studying population divergence and speciation during continental plant radiations. Little is known about genetic relationships and variation in reproductive strategies within and among inselberg-adapted species, yet knowledge of these parameters is important for understanding divergence processes and for conservation planning. METHODS: Nuclear microsatellites were used to assess the role of clonal reproduction, estimate genetic diversity and explore genetic relationships and variation in reproductive strategies for a total of 15 populations of four closely related Alcantarea inselberg species in south-eastern Brazil: A. glaziouana, A. regina, A. geniculata and A. imperialis. KEY RESULTS: Clonal propagation is frequent in coastal populations of A. glaziouana and A. regina, but absent in the high-altitude species A. geniculata and A. imperialis. Considerable variation in clonal diversity, gene diversity (He), allelic richness, and Wright's inbreeding coefficient (FIS) exists within and between species of Alcantarea. A Bayesian analysis of coastal inselberg species indicated pronounced genetic structure. A neighbor-joining analysis grouped populations of each species together with moderate bootstrap support, except for the high altitude species A. imperialis. CONCLUSIONS: The coastal inselberg species A. glaziouana and A. regina tend to propagate asexually via vegetative clonal growth, and both reproductive strategies and breeding systems vary greatly between populations and species of Alcantarea. The microsatellite data indicate a history of hybridization and reticulation involving the high-altitude species A. geniculata and A. imperialis in areas of co-occurrence. The results highlight the need to understand similarities and differences in reproductive strategies both within and between related species for conservation planning and as a basis for understanding evolutionary processes in tropical radiations.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>19074451</pmid><doi>10.1093/aob/mcn226</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Alcantarea Atlantic Rainforest Biological taxonomies Brazil Bromeliaceae Bromeliaceae - classification Bromeliaceae - genetics clonality Ecological genetics Evolution, Molecular Evolutionary genetics Gene flow Gene Flow - genetics Genetic diversity Genetic variation Genotype Geography Imperialism Inbreeding coefficient inselberg Microsatellite Repeats - genetics microsatellites Original Plants Population genetics Regina reproductive strategy Tropical Climate |
title | Genetic relationships and variation in reproductive strategies in four closely related bromeliads adapted to neotropical 'inselbergs': Alcantarea glaziouana, A. regina, A. geniculata and A. imperialis (Bromeliaceae) |
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