Patterns of gene flow in Encholirium horridum L.B.Sm., a monocarpic species of Bromeliaceae from Brazil
Encholirium horridum is a bromeliad that occurs exclusively on inselbergs in the Atlantic Forest biome of Brazil. These rock outcrops form natural islands that isolate populations from each other. We investigated gene flow by pollen through paternity analyses of a bromeliad population in an area of...
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| Veröffentlicht in: | The Journal of heredity 2015-01, Vol.106 (1), p.93-101 |
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| creator | Hmeljevski, Karina Vanessa dos Reis, Maurício Sedrez Forzza, Rafaela Campostrini |
| description | Encholirium horridum is a bromeliad that occurs exclusively on inselbergs in the Atlantic Forest biome of Brazil. These rock outcrops form natural islands that isolate populations from each other. We investigated gene flow by pollen through paternity analyses of a bromeliad population in an area of approximately 2 ha in Espírito Santo State, Brazil. To that end, seed rosettes and seedlings were genotyped using nuclear microsatellite loci. A plot was also established from the same population and specimens were genotyped to evaluate their fine-scale spatial genetic structure (SGS) through analyses of spatial autocorrelation and clonal growth. Paternity analysis indicated that 80% of the attributed progenitors of the genotyped seedlings were from inside the study area. The pollen dispersal distances within the area were restricted (mean distance of 45.5 m, varying from 3 to 156 m) and fine-scale SGS was weak (F(ij) = 0.0122, P < 0.001; Sp = 0.009). Clonal growth was found to be a rare event, supporting the monocarpy of this species. |
| doi_str_mv | 10.1093/jhered/esu067 |
| format | Article |
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These rock outcrops form natural islands that isolate populations from each other. We investigated gene flow by pollen through paternity analyses of a bromeliad population in an area of approximately 2 ha in Espírito Santo State, Brazil. To that end, seed rosettes and seedlings were genotyped using nuclear microsatellite loci. A plot was also established from the same population and specimens were genotyped to evaluate their fine-scale spatial genetic structure (SGS) through analyses of spatial autocorrelation and clonal growth. Paternity analysis indicated that 80% of the attributed progenitors of the genotyped seedlings were from inside the study area. The pollen dispersal distances within the area were restricted (mean distance of 45.5 m, varying from 3 to 156 m) and fine-scale SGS was weak (F(ij) = 0.0122, P < 0.001; Sp = 0.009). Clonal growth was found to be a rare event, supporting the monocarpy of this species.</description><identifier>ISSN: 0022-1503</identifier><identifier>EISSN: 1465-7333</identifier><identifier>DOI: 10.1093/jhered/esu067</identifier><identifier>PMID: 25472982</identifier><identifier>CODEN: JOHEA8</identifier><language>eng</language><publisher>United States: Oxford Publishing Limited (England)</publisher><subject>Brazil ; Bromeliaceae - genetics ; Bromeliaceae - growth & development ; Demography ; Endangered Species ; Flowers & plants ; Forests ; Gene Flow - genetics ; Gene loci ; Genetic Variation ; Genetics, Population ; Genotype ; Genotype & phenotype ; Microsatellite Repeats - genetics ; Plant growth ; Plant populations ; Pollen - genetics ; Seed Dispersal - genetics ; Seed Dispersal - physiology</subject><ispartof>The Journal of heredity, 2015-01, Vol.106 (1), p.93-101</ispartof><rights>The American Genetic Association 2014. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.</rights><rights>Copyright Oxford Publishing Limited(England) Jan-Feb 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-cc081df7cce4aaf97cec5987382a6c54b02566e61c45ca05aef5a1db75f3a24c3</citedby><cites>FETCH-LOGICAL-c360t-cc081df7cce4aaf97cec5987382a6c54b02566e61c45ca05aef5a1db75f3a24c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27911,27912</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25472982$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hmeljevski, Karina Vanessa</creatorcontrib><creatorcontrib>dos Reis, Maurício Sedrez</creatorcontrib><creatorcontrib>Forzza, Rafaela Campostrini</creatorcontrib><title>Patterns of gene flow in Encholirium horridum L.B.Sm., a monocarpic species of Bromeliaceae from Brazil</title><title>The Journal of heredity</title><addtitle>J Hered</addtitle><description>Encholirium horridum is a bromeliad that occurs exclusively on inselbergs in the Atlantic Forest biome of Brazil. These rock outcrops form natural islands that isolate populations from each other. We investigated gene flow by pollen through paternity analyses of a bromeliad population in an area of approximately 2 ha in Espírito Santo State, Brazil. To that end, seed rosettes and seedlings were genotyped using nuclear microsatellite loci. A plot was also established from the same population and specimens were genotyped to evaluate their fine-scale spatial genetic structure (SGS) through analyses of spatial autocorrelation and clonal growth. Paternity analysis indicated that 80% of the attributed progenitors of the genotyped seedlings were from inside the study area. The pollen dispersal distances within the area were restricted (mean distance of 45.5 m, varying from 3 to 156 m) and fine-scale SGS was weak (F(ij) = 0.0122, P < 0.001; Sp = 0.009). Clonal growth was found to be a rare event, supporting the monocarpy of this species.</description><subject>Brazil</subject><subject>Bromeliaceae - genetics</subject><subject>Bromeliaceae - growth & development</subject><subject>Demography</subject><subject>Endangered Species</subject><subject>Flowers & plants</subject><subject>Forests</subject><subject>Gene Flow - genetics</subject><subject>Gene loci</subject><subject>Genetic Variation</subject><subject>Genetics, Population</subject><subject>Genotype</subject><subject>Genotype & phenotype</subject><subject>Microsatellite Repeats - genetics</subject><subject>Plant growth</subject><subject>Plant populations</subject><subject>Pollen - genetics</subject><subject>Seed Dispersal - genetics</subject><subject>Seed Dispersal - physiology</subject><issn>0022-1503</issn><issn>1465-7333</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkctLxDAQh4Mouj6OXiXgxYNdJ03TNEdXfMGCgnou2dmpm6Vt1mSL6F9vdPXiaR58fAzzY-xYwFiAkRfLBQWaX1AcoNRbbCSKUmVaSrnNRgB5ngkFco_tx7gEAKEM7LK9XBU6N1U-Yq-Pdr2m0EfuG_5KPfGm9e_c9fy6x4VvXXBDxxc-BDdPzXQ8GT9143Nueed7jzasHPK4InT0o5gE31HrLJJNqjSkjf107SHbaWwb6ei3HrCXm-vnq7ts-nB7f3U5zVCWsM4QoRLzRiNSYW1jNBIqU2lZ5bZEVcwgV2VJpcBCoQVlqVFWzGdaNdLmBcoDdrbxroJ_Gyiu685FpLa1Pfkh1qKUpjAGtE7o6T906YfQp-sSVQgjKzCQqGxDYfAxBmrqVXCdDR-1gPo7gXqTQL1JIPEnv9Zh1qX1H_33cvkFw26Dig</recordid><startdate>201501</startdate><enddate>201501</enddate><creator>Hmeljevski, Karina Vanessa</creator><creator>dos Reis, Maurício Sedrez</creator><creator>Forzza, Rafaela Campostrini</creator><general>Oxford Publishing Limited (England)</general><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>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7TK</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>201501</creationdate><title>Patterns of gene flow in Encholirium horridum L.B.Sm., a monocarpic species of Bromeliaceae from Brazil</title><author>Hmeljevski, Karina Vanessa ; 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These rock outcrops form natural islands that isolate populations from each other. We investigated gene flow by pollen through paternity analyses of a bromeliad population in an area of approximately 2 ha in Espírito Santo State, Brazil. To that end, seed rosettes and seedlings were genotyped using nuclear microsatellite loci. A plot was also established from the same population and specimens were genotyped to evaluate their fine-scale spatial genetic structure (SGS) through analyses of spatial autocorrelation and clonal growth. Paternity analysis indicated that 80% of the attributed progenitors of the genotyped seedlings were from inside the study area. The pollen dispersal distances within the area were restricted (mean distance of 45.5 m, varying from 3 to 156 m) and fine-scale SGS was weak (F(ij) = 0.0122, P < 0.001; Sp = 0.009). 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| subjects | Brazil Bromeliaceae - genetics Bromeliaceae - growth & development Demography Endangered Species Flowers & plants Forests Gene Flow - genetics Gene loci Genetic Variation Genetics, Population Genotype Genotype & phenotype Microsatellite Repeats - genetics Plant growth Plant populations Pollen - genetics Seed Dispersal - genetics Seed Dispersal - physiology |
| title | Patterns of gene flow in Encholirium horridum L.B.Sm., a monocarpic species of Bromeliaceae from Brazil |
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