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Multilocus genetic analyses provide insight into speciation and hybridization in aquatic grasses, genus Ruppia

2016-02Journal article Restricted access
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dc.contributor.authorMartínez-Garrido, Jose
dc.contributor.authorSerrão, Ester
dc.contributor.authorEngelen, Aschwin H.
dc.contributor.authorCox, C. J.
dc.contributor.authorGarcía-Murillo, Pablo
dc.contributor.authorGonzalez-Wangueemert, Mercedes
dc.date.accessioned2016-10-07T10:35:55Z
dc.date.available2016-10-07T10:35:55Z
dc.date.issued2016-02
dc.description.abstractAquatic plants of the genus Ruppia inhabit some of the most threatened habitats in the world, such as coastal lagoons and inland saline to brackish waters where their meadows play several key roles. The evolutionary history of this genus has been affected by the processes of hybridization, polyploidization, and vicariance, which have resulted in uncertainty regarding the number of species. In the present study, we apply microsatellite markers for the identification, genetic characterization, and detection of hybridization events among populations of putative Ruppia species found in the southern Iberian Peninsula, with the exception of a clearly distinct species, the diploid Ruppia maritima. Microsatellite markers group the populations into genetically distinct entities that are not coincident with geographical location and contain unique diagnostic alleles. These results support the interpretation of these entities as distinct species: designated here as (1) Ruppia drepanensis, (2) Ruppia cf. maritima, and (3) Ruppia cirrhosa. A fourth distinct genetic entity was identified as a putative hybrid between R. cf. maritima and R. cirrhosa because it contained a mixture of microsatellite alleles that are otherwise unique to these putative species. Hence, our analyses were able to discriminate among different genetic entities of Ruppia and, by adding multilocus nuclear markers, we confirm hybridization as an important process of speciation within the genus. In addition, careful taxonomic curation of the samples enabled us to determine the genotypic and genetic diversity and differentiation among populations of each putative Ruppia species. This will be important for identifying diversity hotspots and evaluating patterns of population genetic connectivity. © 2015 The Linnean Society of London, Biological Journal of the Linnean Society, 2015, 00, 000–000.
dc.identifier.doihttp://dx.doi.org/10.1111/bij.12666
dc.identifier.issn0024-4066
dc.identifier.otherAUT: ESE00527;
dc.identifier.urihttp://hdl.handle.net/10400.1/8719
dc.language.isoeng
dc.peerreviewedyes
dc.publisherLinnean Society of London. Wiley
dc.relation.isbasedonWOS:000370158900002
dc.subjectMicrosatellites
dc.subjectPlant speciation
dc.subjectPolyploidy
dc.titleMultilocus genetic analyses provide insight into speciation and hybridization in aquatic grasses, genus Ruppia
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage191
oaire.citation.issue2
oaire.citation.startPage177
oaire.citation.titleBiological Journal of the Linnean Society
oaire.citation.volume117
person.familyNameSerrao
person.familyNameEngelen
person.familyNameCox
person.familyNameGonzalez-Wanguemert
person.givenNameEster A.
person.givenNameAschwin
person.givenNameCymon
person.givenNameMercedes
person.identifierC-6686-2012
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.ciencia-id911A-9A0C-744D
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person.identifier.orcid0000-0003-1316-658X
person.identifier.orcid0000-0002-9579-9606
person.identifier.orcid0000-0002-4927-979X
person.identifier.orcid0000-0002-0656-358X
person.identifier.ridM-3432-2013
person.identifier.ridD-1303-2012
person.identifier.ridM-3467-2013
person.identifier.scopus-author-id7004093604
person.identifier.scopus-author-id6701622770
person.identifier.scopus-author-id7402112716
person.identifier.scopus-author-id55898776000
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication45ccfe90-155c-4d6f-9e86-8f0fd064005f
relation.isAuthorOfPublication33d5a223-f2c9-4c68-984f-9213f15a05b0
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relation.isAuthorOfPublication.latestForDiscovery45ccfe90-155c-4d6f-9e86-8f0fd064005f

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