No gene flow across the Eastern Pacific Barrier in the reef-building coral Porites lobata
The expanse of deep water between the central Pacific islands and the continental shelf of the Eastern Tropical Pacific is regarded as the world's most potent marine biogeographic barrier. During recurrent climatic fluctuations (ENSO, El Niño Southern Oscillation), however, changes in water tem...
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| Veröffentlicht in: | Molecular ecology 2012-11, Vol.21 (22), p.5418-5433 |
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| container_title | Molecular ecology |
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| creator | Baums, Iliana B. Boulay, Jennifer N. Polato, Nicholas R. Hellberg, Michael E. |
| description | The expanse of deep water between the central Pacific islands and the continental shelf of the Eastern Tropical Pacific is regarded as the world's most potent marine biogeographic barrier. During recurrent climatic fluctuations (ENSO, El Niño Southern Oscillation), however, changes in water temperature and the speed and direction of currents become favourable for trans‐oceanic dispersal of larvae from central Pacific to marginal eastern Pacific reefs. Here, we investigate the population connectivity of the reef‐building coral Porites lobata across the Eastern Pacific Barrier (EPB). Patterns of recent gene flow in samples (n = 1173) from the central Pacific and the Eastern Tropical Pacific (ETP) were analysed with 12 microsatellite loci. Results indicated that P. lobata from the ETP are strongly isolated from those in the central Pacific and Hawaii (Fct ' = 0.509; P |
| doi_str_mv | 10.1111/j.1365-294X.2012.05733.x |
| format | Article |
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See also the Perspective by Lessios</description><identifier>ISSN: 0962-1083</identifier><identifier>EISSN: 1365-294X</identifier><identifier>DOI: 10.1111/j.1365-294X.2012.05733.x</identifier><identifier>PMID: 22943626</identifier><language>eng</language><publisher>England: Blackwell Publishing Ltd</publisher><subject>Animal Distribution ; Animals ; Anthozoa - genetics ; central Pacific ; Climate ; Clipperton Atoll ; Cluster Analysis ; Eastern Tropical Pacific ; Gene Flow ; Gene Frequency ; Genetics, Population ; Genotyping Techniques ; Marine ; microsatellite ; Microsatellite Repeats ; Pacific Islands ; Porites lobata</subject><ispartof>Molecular ecology, 2012-11, Vol.21 (22), p.5418-5433</ispartof><rights>2012 Blackwell Publishing Ltd</rights><rights>2012 Blackwell Publishing Ltd.</rights><rights>Copyright © 2012 Blackwell Publishing Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4193-5d234c9f217ed4db3869bda210f9b36525583c3cda7b3f6ce8238b6a9b82f8e33</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-294X.2012.05733.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-294X.2012.05733.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22943626$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Baums, Iliana B.</creatorcontrib><creatorcontrib>Boulay, Jennifer N.</creatorcontrib><creatorcontrib>Polato, Nicholas R.</creatorcontrib><creatorcontrib>Hellberg, Michael E.</creatorcontrib><title>No gene flow across the Eastern Pacific Barrier in the reef-building coral Porites lobata</title><title>Molecular ecology</title><addtitle>Mol Ecol</addtitle><description>The expanse of deep water between the central Pacific islands and the continental shelf of the Eastern Tropical Pacific is regarded as the world's most potent marine biogeographic barrier. During recurrent climatic fluctuations (ENSO, El Niño Southern Oscillation), however, changes in water temperature and the speed and direction of currents become favourable for trans‐oceanic dispersal of larvae from central Pacific to marginal eastern Pacific reefs. Here, we investigate the population connectivity of the reef‐building coral Porites lobata across the Eastern Pacific Barrier (EPB). Patterns of recent gene flow in samples (n = 1173) from the central Pacific and the Eastern Tropical Pacific (ETP) were analysed with 12 microsatellite loci. Results indicated that P. lobata from the ETP are strongly isolated from those in the central Pacific and Hawaii (Fct ' = 0.509; P < 0.001). However, samples from Clipperton Atoll, an oceanic island on the eastern side of the EPB, grouped with the central Pacific. Within the central Pacific, Hawaiian populations were strongly isolated from three co‐occurring clusters found throughout the remainder of the central Pacific. No further substructure was evident in the ETP. Changes in oceanographic conditions during ENSO over the past several thousand years thus appear insufficient to support larval deliveries from the central Pacific to the ETP or strong postsettlement selection acts on ETP settlers from the central Pacific. Recovery of P. lobata populations in the frequently disturbed ETP thus must depend on local larval sources.
See also the Perspective by Lessios</description><subject>Animal Distribution</subject><subject>Animals</subject><subject>Anthozoa - genetics</subject><subject>central Pacific</subject><subject>Climate</subject><subject>Clipperton Atoll</subject><subject>Cluster Analysis</subject><subject>Eastern Tropical Pacific</subject><subject>Gene Flow</subject><subject>Gene Frequency</subject><subject>Genetics, Population</subject><subject>Genotyping Techniques</subject><subject>Marine</subject><subject>microsatellite</subject><subject>Microsatellite Repeats</subject><subject>Pacific Islands</subject><subject>Porites lobata</subject><issn>0962-1083</issn><issn>1365-294X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUFv1DAQhS1ERZfSv4AsceGS1GPHTnLgAMuyrdSWPbRq4WLZjlO8ZOPWTtTtv8fplj1wwoexpfe9kWceQhhIDumcrHNggme0Lm5zSoDmhJeM5dtXaLYXXqMZqQXNgFTsEL2NcU0IMMr5G3RIE8AEFTP049LjO9tb3Hb-ESsTfIx4-GXxQsXBhh6vlHGtM_iLCsHZgF3_LAdr20yPrmtcf4eND6rDKx_cYCPuvFaDeocOWtVFe_xyH6Hrb4ur-Wl2_n15Nv98npkCapbxhrLC1C2F0jZFo1klat0oCqStdZolfbhihplGlZq1wtiKskoLVeuKtpVl7Ah93PW9D_5htHGQGxeN7TrVWz9GCVBCVQJQ8h8oLUpOU03oh3_QtR9DnwZJFHBeECJ4ot6_UKPe2EbeB7dR4Un-3W8CPu2AR9fZp70OZOoCci2nuOQUl5xylM85yq28WMynV_JnO79LaWz3fhV-S1Gyksuby6X8efv16hRWS3nD_gBPX54Q</recordid><startdate>201211</startdate><enddate>201211</enddate><creator>Baums, Iliana B.</creator><creator>Boulay, Jennifer N.</creator><creator>Polato, Nicholas R.</creator><creator>Hellberg, Michael E.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</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>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>201211</creationdate><title>No gene flow across the Eastern Pacific Barrier in the reef-building coral Porites lobata</title><author>Baums, Iliana B. ; Boulay, Jennifer N. ; Polato, Nicholas R. ; Hellberg, Michael E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4193-5d234c9f217ed4db3869bda210f9b36525583c3cda7b3f6ce8238b6a9b82f8e33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Animal Distribution</topic><topic>Animals</topic><topic>Anthozoa - genetics</topic><topic>central Pacific</topic><topic>Climate</topic><topic>Clipperton Atoll</topic><topic>Cluster Analysis</topic><topic>Eastern Tropical Pacific</topic><topic>Gene Flow</topic><topic>Gene Frequency</topic><topic>Genetics, Population</topic><topic>Genotyping Techniques</topic><topic>Marine</topic><topic>microsatellite</topic><topic>Microsatellite Repeats</topic><topic>Pacific Islands</topic><topic>Porites lobata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Baums, Iliana B.</creatorcontrib><creatorcontrib>Boulay, Jennifer N.</creatorcontrib><creatorcontrib>Polato, Nicholas R.</creatorcontrib><creatorcontrib>Hellberg, Michael E.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</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>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Molecular ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Baums, Iliana B.</au><au>Boulay, Jennifer N.</au><au>Polato, Nicholas R.</au><au>Hellberg, Michael E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>No gene flow across the Eastern Pacific Barrier in the reef-building coral Porites lobata</atitle><jtitle>Molecular ecology</jtitle><addtitle>Mol Ecol</addtitle><date>2012-11</date><risdate>2012</risdate><volume>21</volume><issue>22</issue><spage>5418</spage><epage>5433</epage><pages>5418-5433</pages><issn>0962-1083</issn><eissn>1365-294X</eissn><abstract>The expanse of deep water between the central Pacific islands and the continental shelf of the Eastern Tropical Pacific is regarded as the world's most potent marine biogeographic barrier. During recurrent climatic fluctuations (ENSO, El Niño Southern Oscillation), however, changes in water temperature and the speed and direction of currents become favourable for trans‐oceanic dispersal of larvae from central Pacific to marginal eastern Pacific reefs. Here, we investigate the population connectivity of the reef‐building coral Porites lobata across the Eastern Pacific Barrier (EPB). Patterns of recent gene flow in samples (n = 1173) from the central Pacific and the Eastern Tropical Pacific (ETP) were analysed with 12 microsatellite loci. Results indicated that P. lobata from the ETP are strongly isolated from those in the central Pacific and Hawaii (Fct ' = 0.509; P < 0.001). However, samples from Clipperton Atoll, an oceanic island on the eastern side of the EPB, grouped with the central Pacific. Within the central Pacific, Hawaiian populations were strongly isolated from three co‐occurring clusters found throughout the remainder of the central Pacific. No further substructure was evident in the ETP. Changes in oceanographic conditions during ENSO over the past several thousand years thus appear insufficient to support larval deliveries from the central Pacific to the ETP or strong postsettlement selection acts on ETP settlers from the central Pacific. Recovery of P. lobata populations in the frequently disturbed ETP thus must depend on local larval sources.
See also the Perspective by Lessios</abstract><cop>England</cop><pub>Blackwell Publishing Ltd</pub><pmid>22943626</pmid><doi>10.1111/j.1365-294X.2012.05733.x</doi><tpages>16</tpages></addata></record> |
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| subjects | Animal Distribution Animals Anthozoa - genetics central Pacific Climate Clipperton Atoll Cluster Analysis Eastern Tropical Pacific Gene Flow Gene Frequency Genetics, Population Genotyping Techniques Marine microsatellite Microsatellite Repeats Pacific Islands Porites lobata |
| title | No gene flow across the Eastern Pacific Barrier in the reef-building coral Porites lobata |
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