Molecular phylogeny and patterns of diversification in syngnathid fishes.
Identifieur interne : 000003 ( PubMed/Corpus ); précédent : 000002; suivant : 000004Molecular phylogeny and patterns of diversification in syngnathid fishes.
Auteurs : Healy Hamilton ; Norah Saarman ; Graham Short ; Anna B. Sellas ; Beth Moore ; Tinya Hoang ; Christopher L. Grace ; Martin Gomon ; Karen Crow ; W. Brian SimisonSource :
- Molecular phylogenetics and evolution [ 1095-9513 ] ; 2017.
Abstract
The family Syngnathidae is a large and diverse clade of morphologically unique bony fishes, with 57 genera and 300 described species of seahorses, pipefishes, pipehorses, and seadragons. They primarily inhabit shallow coastal waters in temperate and tropical oceans, and are characterized by a fused jaw, male brooding, and extraordinary crypsis. Phylogenetic relationships within the Syngnathidae remain poorly resolved due to lack of generic taxon sampling, few diagnostic morphological characters, and limited molecular data. The phylogenetic placement of the threatened, commercially exploited seahorses remains a topic of intense interest, with conflicting topologies based on morphology and predominantly mitochondrial genetic data. In this study, we integrate eight nuclear and mitochondrial markers and 17 morphological characters to investigate the phylogenetic structure of the family Syngnathidae at the generic level. We include 91 syngnathid species representing 48 of the 57 recognized genera, all major ocean basins, and a broad array of temperate and tropical habitats including rocky and coral reefs, sand and silt, mangroves, seagrass beds, estuaries, and rivers. Maximum likelihood and Bayesian analyses of 5160bp from eight loci produced high congruence among alternate topologies, defining well-supported and sometimes novel clades. We present a hypothesis that confirms a deep phylogenetic split between lineages with trunk- or tail-brood pouch placement, and provides significant new insights into the morphological evolution and biogeography of this highly derived fish clade. Based on the fundamental division between lineages - the tail brooding "Urophori" and the trunk brooding "Gastrophori" - we propose a revision of Syngnathidae classification into only two subfamilies: the Nerophinae and the Syngnathinae. We find support for distinct principal clades within the trunk-brooders and tail-brooders, the latter of which include seahorses, seadragons, independent lineages of pipehorses, and clades that originated in southern Australia and the Western Atlantic. We suggest the seahorse genus Hippocampus is of Indo-Pacific origin and its sister clade is an unexpected grouping of several morphologically disparate Indo-Pacific genera, including the Pacific pygmy pipehorses. Taxonomic revision is required for multiple genera, particularly to reflect deep evolutionary splits in nominal lineages from the Atlantic versus the Indo-Pacific.
DOI: 10.1016/j.ympev.2016.10.003
PubMed: 27989632
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Electronic address: healy_hamilton@natureserve.org.</nlm:affiliation></affiliation></author><author><name sortKey="Saarman, Norah" sort="Saarman, Norah" uniqKey="Saarman N" first="Norah" last="Saarman">Norah Saarman</name><affiliation><nlm:affiliation>Yale University, Ecology and Evolutionary Biology Department, New Haven, CT 06520, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Short, Graham" sort="Short, Graham" uniqKey="Short G" first="Graham" last="Short">Graham Short</name><affiliation><nlm:affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Sellas, Anna B" sort="Sellas, Anna B" uniqKey="Sellas A" first="Anna B" last="Sellas">Anna B. 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Electronic address: healy_hamilton@natureserve.org.</nlm:affiliation></affiliation></author><author><name sortKey="Saarman, Norah" sort="Saarman, Norah" uniqKey="Saarman N" first="Norah" last="Saarman">Norah Saarman</name><affiliation><nlm:affiliation>Yale University, Ecology and Evolutionary Biology Department, New Haven, CT 06520, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Short, Graham" sort="Short, Graham" uniqKey="Short G" first="Graham" last="Short">Graham Short</name><affiliation><nlm:affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Sellas, Anna B" sort="Sellas, Anna B" uniqKey="Sellas A" first="Anna B" last="Sellas">Anna B. Sellas</name><affiliation><nlm:affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Moore, Beth" sort="Moore, Beth" uniqKey="Moore B" first="Beth" last="Moore">Beth Moore</name><affiliation><nlm:affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Hoang, Tinya" sort="Hoang, Tinya" uniqKey="Hoang T" first="Tinya" last="Hoang">Tinya Hoang</name><affiliation><nlm:affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Grace, Christopher L" sort="Grace, Christopher L" uniqKey="Grace C" first="Christopher L" last="Grace">Christopher L. Grace</name><affiliation><nlm:affiliation>Clark University, Department of Biology, 950 Main St., Worcester, MA 01610, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Gomon, Martin" sort="Gomon, Martin" uniqKey="Gomon M" first="Martin" last="Gomon">Martin Gomon</name><affiliation><nlm:affiliation>Sciences Department, Museum Victoria GPO Box 666, Melbourne, VIC 3001, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Crow, Karen" sort="Crow, Karen" uniqKey="Crow K" first="Karen" last="Crow">Karen Crow</name><affiliation><nlm:affiliation>San Francisco State University, Department of Biology, San Francisco, CA 94132, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Brian Simison, W" sort="Brian Simison, W" uniqKey="Brian Simison W" first="W" last="Brian Simison">W. Brian Simison</name><affiliation><nlm:affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Molecular phylogenetics and evolution</title><idno type="eISSN">1095-9513</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The family Syngnathidae is a large and diverse clade of morphologically unique bony fishes, with 57 genera and 300 described species of seahorses, pipefishes, pipehorses, and seadragons. They primarily inhabit shallow coastal waters in temperate and tropical oceans, and are characterized by a fused jaw, male brooding, and extraordinary crypsis. Phylogenetic relationships within the Syngnathidae remain poorly resolved due to lack of generic taxon sampling, few diagnostic morphological characters, and limited molecular data. The phylogenetic placement of the threatened, commercially exploited seahorses remains a topic of intense interest, with conflicting topologies based on morphology and predominantly mitochondrial genetic data. In this study, we integrate eight nuclear and mitochondrial markers and 17 morphological characters to investigate the phylogenetic structure of the family Syngnathidae at the generic level. We include 91 syngnathid species representing 48 of the 57 recognized genera, all major ocean basins, and a broad array of temperate and tropical habitats including rocky and coral reefs, sand and silt, mangroves, seagrass beds, estuaries, and rivers. Maximum likelihood and Bayesian analyses of 5160bp from eight loci produced high congruence among alternate topologies, defining well-supported and sometimes novel clades. We present a hypothesis that confirms a deep phylogenetic split between lineages with trunk- or tail-brood pouch placement, and provides significant new insights into the morphological evolution and biogeography of this highly derived fish clade. Based on the fundamental division between lineages - the tail brooding "Urophori" and the trunk brooding "Gastrophori" - we propose a revision of Syngnathidae classification into only two subfamilies: the Nerophinae and the Syngnathinae. We find support for distinct principal clades within the trunk-brooders and tail-brooders, the latter of which include seahorses, seadragons, independent lineages of pipehorses, and clades that originated in southern Australia and the Western Atlantic. We suggest the seahorse genus Hippocampus is of Indo-Pacific origin and its sister clade is an unexpected grouping of several morphologically disparate Indo-Pacific genera, including the Pacific pygmy pipehorses. Taxonomic revision is required for multiple genera, particularly to reflect deep evolutionary splits in nominal lineages from the Atlantic versus the Indo-Pacific.</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">27989632</PMID><DateCreated><Year>2016</Year><Month>12</Month><Day>19</Day></DateCreated><DateRevised><Year>2017</Year><Month>02</Month><Day>06</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1095-9513</ISSN><JournalIssue CitedMedium="Internet"><Volume>107</Volume><PubDate><Year>2017</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Molecular phylogenetics and evolution</Title><ISOAbbreviation>Mol. Phylogenet. Evol.</ISOAbbreviation></Journal><ArticleTitle>Molecular phylogeny and patterns of diversification in syngnathid fishes.</ArticleTitle><Pagination><MedlinePgn>388-403</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S1055-7903(16)30265-2</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ympev.2016.10.003</ELocationID><Abstract><AbstractText>The family Syngnathidae is a large and diverse clade of morphologically unique bony fishes, with 57 genera and 300 described species of seahorses, pipefishes, pipehorses, and seadragons. They primarily inhabit shallow coastal waters in temperate and tropical oceans, and are characterized by a fused jaw, male brooding, and extraordinary crypsis. Phylogenetic relationships within the Syngnathidae remain poorly resolved due to lack of generic taxon sampling, few diagnostic morphological characters, and limited molecular data. The phylogenetic placement of the threatened, commercially exploited seahorses remains a topic of intense interest, with conflicting topologies based on morphology and predominantly mitochondrial genetic data. In this study, we integrate eight nuclear and mitochondrial markers and 17 morphological characters to investigate the phylogenetic structure of the family Syngnathidae at the generic level. We include 91 syngnathid species representing 48 of the 57 recognized genera, all major ocean basins, and a broad array of temperate and tropical habitats including rocky and coral reefs, sand and silt, mangroves, seagrass beds, estuaries, and rivers. Maximum likelihood and Bayesian analyses of 5160bp from eight loci produced high congruence among alternate topologies, defining well-supported and sometimes novel clades. We present a hypothesis that confirms a deep phylogenetic split between lineages with trunk- or tail-brood pouch placement, and provides significant new insights into the morphological evolution and biogeography of this highly derived fish clade. Based on the fundamental division between lineages - the tail brooding "Urophori" and the trunk brooding "Gastrophori" - we propose a revision of Syngnathidae classification into only two subfamilies: the Nerophinae and the Syngnathinae. We find support for distinct principal clades within the trunk-brooders and tail-brooders, the latter of which include seahorses, seadragons, independent lineages of pipehorses, and clades that originated in southern Australia and the Western Atlantic. We suggest the seahorse genus Hippocampus is of Indo-Pacific origin and its sister clade is an unexpected grouping of several morphologically disparate Indo-Pacific genera, including the Pacific pygmy pipehorses. Taxonomic revision is required for multiple genera, particularly to reflect deep evolutionary splits in nominal lineages from the Atlantic versus the Indo-Pacific.</AbstractText><CopyrightInformation>Copyright © 2016 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hamilton</LastName><ForeName>Healy</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>NatureServe, 4600 N Fairfax Drive, 7th Floor, Arlington, VA 22203, United States; Marine Conservation Institute, 4010 Stone Way N., Suite 210, Seattle, WA 98103, United States. Electronic address: healy_hamilton@natureserve.org.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Saarman</LastName><ForeName>Norah</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Yale University, Ecology and Evolutionary Biology Department, New Haven, CT 06520, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Short</LastName><ForeName>Graham</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sellas</LastName><ForeName>Anna B</ForeName><Initials>AB</Initials><AffiliationInfo><Affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Moore</LastName><ForeName>Beth</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hoang</LastName><ForeName>Tinya</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Grace</LastName><ForeName>Christopher L</ForeName><Initials>CL</Initials><AffiliationInfo><Affiliation>Clark University, Department of Biology, 950 Main St., Worcester, MA 01610, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gomon</LastName><ForeName>Martin</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Sciences Department, Museum Victoria GPO Box 666, Melbourne, VIC 3001, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Crow</LastName><ForeName>Karen</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>San Francisco State University, Department of Biology, San Francisco, CA 94132, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Brian Simison</LastName><ForeName>W</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, United States.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>10</Month><Day>29</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Mol Phylogenet Evol</MedlineTA><NlmUniqueID>9304400</NlmUniqueID><ISSNLinking>1055-7903</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Australia</Keyword><Keyword MajorTopicYN="N">DNA</Keyword><Keyword MajorTopicYN="N">Morphological evolution</Keyword><Keyword MajorTopicYN="N">Pipefish</Keyword><Keyword MajorTopicYN="N">Seahorse</Keyword><Keyword MajorTopicYN="N">Syngnathidae</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>03</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2016</Year><Month>08</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>10</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>12</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>12</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>12</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27989632</ArticleId><ArticleId IdType="pii">S1055-7903(16)30265-2</ArticleId><ArticleId IdType="doi">10.1016/j.ympev.2016.10.003</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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