Role of oceanography in shaping the genetic structure in the North Pacific hake Merluccius productus
Determining the relative influence of biotic and abiotic factors on genetic connectivity among populations remains a major challenge in evolutionary biology and in the management and conservation of species. North Pacific hake (Merluccius productus) inhabits upwelling regions in the California Curre...
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| creator | García-De León, Francisco Javier Galván-Tirado, Carolina Sánchez Velasco, Laura Silva-Segundo, Claudia A Hernández-Guzmán, Rafael Barriga-Sosa, Irene de Los Angeles Díaz Jaimes, Píndaro Canino, Michael Cruz-Hernández, Pedro |
| description | Determining the relative influence of biotic and abiotic factors on genetic connectivity among populations remains a major challenge in evolutionary biology and in the management and conservation of species. North Pacific hake (Merluccius productus) inhabits upwelling regions in the California Current ecosystem from the Gulf of California to the Gulf of Alaska. In this study, we examined mitochondrial DNA (mtDNA) and microsatellite variation to estimate levels of genetic differentiation of M. productus in relation to the role of oceanographic features as potential barriers to gene flow. Samples were obtained from nine sites spanning a large part of the geographic range of the species, from Puget Sound, Washington to Costa Rica. The microsatellite results revealed three genetically discrete populations: one spanning the eastern Pacific coast, and two apparently resident populations circumscribed to the Puget Sound and the northern Gulf of California (FST = 0.032, p = 0.036). Cytochrome b sequence data indicated that isolation between the Puget Sound and northern Gulf of California populations from the coastal Pacific were recent phenomena (18.5 kyr for Puget Sound and 40 kyr for the northern Gulf of California). Oceanographic data obtained from the Gulf of California support the hypothesis that permanent fronts within the region, and strong gradients at the entrance to the Gulf of California act as barriers to gene flow. A seascape genetics approach found significant genetic-environment associations, where the daytime sea surface temperature and chlorophyll concentrations were the best predictive variables for the observed genetic differentiation. Considering the potential causes of genetic isolation among the three populations, e.g. spawning areas in different latitudes associated with upwelling processes, oceanographic barriers, asymmetric migration and specialized diet, oceanographic barriers appear to be a likely mechanism restricting gene flow. |
| doi_str_mv | 10.1371/journal.pone.0194646 |
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North Pacific hake (Merluccius productus) inhabits upwelling regions in the California Current ecosystem from the Gulf of California to the Gulf of Alaska. In this study, we examined mitochondrial DNA (mtDNA) and microsatellite variation to estimate levels of genetic differentiation of M. productus in relation to the role of oceanographic features as potential barriers to gene flow. Samples were obtained from nine sites spanning a large part of the geographic range of the species, from Puget Sound, Washington to Costa Rica. The microsatellite results revealed three genetically discrete populations: one spanning the eastern Pacific coast, and two apparently resident populations circumscribed to the Puget Sound and the northern Gulf of California (FST = 0.032, p = 0.036). Cytochrome b sequence data indicated that isolation between the Puget Sound and northern Gulf of California populations from the coastal Pacific were recent phenomena (18.5 kyr for Puget Sound and 40 kyr for the northern Gulf of California). Oceanographic data obtained from the Gulf of California support the hypothesis that permanent fronts within the region, and strong gradients at the entrance to the Gulf of California act as barriers to gene flow. A seascape genetics approach found significant genetic-environment associations, where the daytime sea surface temperature and chlorophyll concentrations were the best predictive variables for the observed genetic differentiation. Considering the potential causes of genetic isolation among the three populations, e.g. spawning areas in different latitudes associated with upwelling processes, oceanographic barriers, asymmetric migration and specialized diet, oceanographic barriers appear to be a likely mechanism restricting gene flow.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0194646</identifier><identifier>PMID: 29579060</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Abiotic factors ; Biodiversity ; Biological evolution ; Biology ; Biology and Life Sciences ; California Current ; Chlorophyll ; Conservation ; Cytochrome ; Cytochrome b ; Deoxyribonucleic acid ; Differentiation ; DNA ; Earth Sciences ; Ecology and Environmental Sciences ; Ecosystem biology ; Ecosystems ; Environmental aspects ; Fish ; Fisheries ; Gene flow ; Genetic aspects ; Genetic isolation ; Genetic structure ; Genetics ; Hake ; Merluccius gayi gayi ; Merluccius merluccius ; Merluccius productus ; Microsatellites ; Migration ; Mitochondrial DNA ; Oceanographic data ; Oceanography ; Physical oceanography ; Population ; Population genetics ; Populations ; Potential barriers ; Sea surface temperature ; Silver hake ; Spawning ; Surface temperature ; Trends ; Upwelling ; Wildlife conservation</subject><ispartof>PloS one, 2018-03, Vol.13 (3), p.e0194646-e0194646</ispartof><rights>COPYRIGHT 2018 Public Library of Science</rights><rights>This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication: https://creativecommons.org/publicdomain/zero/1.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-f84d1798bd701ec6e0edd5fdacdcfea5f1f8e6dc612887699d31f1a2d2d187963</citedby><cites>FETCH-LOGICAL-c692t-f84d1798bd701ec6e0edd5fdacdcfea5f1f8e6dc612887699d31f1a2d2d187963</cites><orcidid>0000-0003-2323-2560</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5868808/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5868808/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79600,79601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29579060$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Chiang, Tzen-Yuh</contributor><creatorcontrib>García-De León, Francisco Javier</creatorcontrib><creatorcontrib>Galván-Tirado, Carolina</creatorcontrib><creatorcontrib>Sánchez Velasco, Laura</creatorcontrib><creatorcontrib>Silva-Segundo, Claudia A</creatorcontrib><creatorcontrib>Hernández-Guzmán, Rafael</creatorcontrib><creatorcontrib>Barriga-Sosa, Irene de Los Angeles</creatorcontrib><creatorcontrib>Díaz Jaimes, Píndaro</creatorcontrib><creatorcontrib>Canino, Michael</creatorcontrib><creatorcontrib>Cruz-Hernández, Pedro</creatorcontrib><title>Role of oceanography in shaping the genetic structure in the North Pacific hake Merluccius productus</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Determining the relative influence of biotic and abiotic factors on genetic connectivity among populations remains a major challenge in evolutionary biology and in the management and conservation of species. North Pacific hake (Merluccius productus) inhabits upwelling regions in the California Current ecosystem from the Gulf of California to the Gulf of Alaska. In this study, we examined mitochondrial DNA (mtDNA) and microsatellite variation to estimate levels of genetic differentiation of M. productus in relation to the role of oceanographic features as potential barriers to gene flow. Samples were obtained from nine sites spanning a large part of the geographic range of the species, from Puget Sound, Washington to Costa Rica. The microsatellite results revealed three genetically discrete populations: one spanning the eastern Pacific coast, and two apparently resident populations circumscribed to the Puget Sound and the northern Gulf of California (FST = 0.032, p = 0.036). Cytochrome b sequence data indicated that isolation between the Puget Sound and northern Gulf of California populations from the coastal Pacific were recent phenomena (18.5 kyr for Puget Sound and 40 kyr for the northern Gulf of California). Oceanographic data obtained from the Gulf of California support the hypothesis that permanent fronts within the region, and strong gradients at the entrance to the Gulf of California act as barriers to gene flow. A seascape genetics approach found significant genetic-environment associations, where the daytime sea surface temperature and chlorophyll concentrations were the best predictive variables for the observed genetic differentiation. Considering the potential causes of genetic isolation among the three populations, e.g. spawning areas in different latitudes associated with upwelling processes, oceanographic barriers, asymmetric migration and specialized diet, oceanographic barriers appear to be a likely mechanism restricting gene flow.</description><subject>Abiotic factors</subject><subject>Biodiversity</subject><subject>Biological evolution</subject><subject>Biology</subject><subject>Biology and Life Sciences</subject><subject>California Current</subject><subject>Chlorophyll</subject><subject>Conservation</subject><subject>Cytochrome</subject><subject>Cytochrome b</subject><subject>Deoxyribonucleic acid</subject><subject>Differentiation</subject><subject>DNA</subject><subject>Earth Sciences</subject><subject>Ecology and Environmental Sciences</subject><subject>Ecosystem biology</subject><subject>Ecosystems</subject><subject>Environmental aspects</subject><subject>Fish</subject><subject>Fisheries</subject><subject>Gene flow</subject><subject>Genetic aspects</subject><subject>Genetic isolation</subject><subject>Genetic structure</subject><subject>Genetics</subject><subject>Hake</subject><subject>Merluccius gayi gayi</subject><subject>Merluccius merluccius</subject><subject>Merluccius productus</subject><subject>Microsatellites</subject><subject>Migration</subject><subject>Mitochondrial DNA</subject><subject>Oceanographic data</subject><subject>Oceanography</subject><subject>Physical oceanography</subject><subject>Population</subject><subject>Population genetics</subject><subject>Populations</subject><subject>Potential barriers</subject><subject>Sea surface temperature</subject><subject>Silver hake</subject><subject>Spawning</subject><subject>Surface temperature</subject><subject>Trends</subject><subject>Upwelling</subject><subject>Wildlife 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One</addtitle><date>2018-03-26</date><risdate>2018</risdate><volume>13</volume><issue>3</issue><spage>e0194646</spage><epage>e0194646</epage><pages>e0194646-e0194646</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Determining the relative influence of biotic and abiotic factors on genetic connectivity among populations remains a major challenge in evolutionary biology and in the management and conservation of species. North Pacific hake (Merluccius productus) inhabits upwelling regions in the California Current ecosystem from the Gulf of California to the Gulf of Alaska. In this study, we examined mitochondrial DNA (mtDNA) and microsatellite variation to estimate levels of genetic differentiation of M. productus in relation to the role of oceanographic features as potential barriers to gene flow. Samples were obtained from nine sites spanning a large part of the geographic range of the species, from Puget Sound, Washington to Costa Rica. The microsatellite results revealed three genetically discrete populations: one spanning the eastern Pacific coast, and two apparently resident populations circumscribed to the Puget Sound and the northern Gulf of California (FST = 0.032, p = 0.036). Cytochrome b sequence data indicated that isolation between the Puget Sound and northern Gulf of California populations from the coastal Pacific were recent phenomena (18.5 kyr for Puget Sound and 40 kyr for the northern Gulf of California). Oceanographic data obtained from the Gulf of California support the hypothesis that permanent fronts within the region, and strong gradients at the entrance to the Gulf of California act as barriers to gene flow. A seascape genetics approach found significant genetic-environment associations, where the daytime sea surface temperature and chlorophyll concentrations were the best predictive variables for the observed genetic differentiation. Considering the potential causes of genetic isolation among the three populations, e.g. spawning areas in different latitudes associated with upwelling processes, oceanographic barriers, asymmetric migration and specialized diet, oceanographic barriers appear to be a likely mechanism restricting gene flow.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>29579060</pmid><doi>10.1371/journal.pone.0194646</doi><tpages>e0194646</tpages><orcidid>https://orcid.org/0000-0003-2323-2560</orcidid><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2018-03, Vol.13 (3), p.e0194646-e0194646 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_2018657327 |
| source | DOAJ Directory of Open Access Journals; Public Library of Science (PLoS) Journals Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Abiotic factors Biodiversity Biological evolution Biology Biology and Life Sciences California Current Chlorophyll Conservation Cytochrome Cytochrome b Deoxyribonucleic acid Differentiation DNA Earth Sciences Ecology and Environmental Sciences Ecosystem biology Ecosystems Environmental aspects Fish Fisheries Gene flow Genetic aspects Genetic isolation Genetic structure Genetics Hake Merluccius gayi gayi Merluccius merluccius Merluccius productus Microsatellites Migration Mitochondrial DNA Oceanographic data Oceanography Physical oceanography Population Population genetics Populations Potential barriers Sea surface temperature Silver hake Spawning Surface temperature Trends Upwelling Wildlife conservation |
| title | Role of oceanography in shaping the genetic structure in the North Pacific hake Merluccius productus |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-02T07%3A08%3A30IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Role%20of%20oceanography%20in%20shaping%20the%20genetic%20structure%20in%20the%20North%20Pacific%20hake%20Merluccius%20productus&rft.jtitle=PloS%20one&rft.au=Garc%C3%ADa-De%20Le%C3%B3n,%20Francisco%20Javier&rft.date=2018-03-26&rft.volume=13&rft.issue=3&rft.spage=e0194646&rft.epage=e0194646&rft.pages=e0194646-e0194646&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0194646&rft_dat=%3Cgale_plos_%3EA532339362%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2018657327&rft_id=info:pmid/29579060&rft_galeid=A532339362&rft_doaj_id=oai_doaj_org_article_6f4e15b524664231bec082ec3708912f&rfr_iscdi=true |