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Microsatellites reveal high levels of genetic admixture in the natural populations of Laurus azorica, Lauraceae

2024Journal article Open access
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dc.contributor.authorRego, Rúben
dc.contributor.authorVieira, Ângela F.
dc.contributor.authorSilva, Luís
dc.contributor.authorElias, Rui B.
dc.contributor.authorSilva, Carlos
dc.contributor.authorResendes, Roberto
dc.contributor.authorMoura, Mónica
dc.date.accessioned2024-07-04T11:39:56Z
dc.date.available2024-07-04T11:39:56Z
dc.date.issued2024
dc.description.abstractLaurus (Lauraceae) species are currently restricted to isolated refugia in the southern Black Sea, Mediterranean Basin, southern Morocco, and Macaronesian archipelagos. One to three species of Laurus has been recognized: the Azorean endemic Laurus azorica, L. nobilis from the Mediterranean, and L. novocanariensis from Madeira and the Canary Islands. This study aims to determine the population structure, genetic diversity, and associated patterns of gene flow within and between Azorean populations, using eight existing SSR markers. We also included plant material from L. nobilis populations found in the Azores, for comparison. Amplification was performed in 212 samples of L. azorica and in 30 samples of L. nobilis. For L. azorica, 78 alleles were amplified (average 9.75 alleles per loci). Bayesian analysis with STRUCTURE unveiled five genetic groups for the Azorean accessions, with high level of genetic admixture. Genetic diversity was generally high, with moderate levels of genetic differentiation among L. azorica populations. Moreover, high gene flow levels, likely mediated by past human translocations and naturally, by birds, might have contributed to the high level of genetic admixture observed possibly reflecting hybridization events between L. nobilis and L. azorica. Conservation measures should be applied to some populations of São Miguel, Santa Maria, and Flores Islands, based on the number of private alleles, and further, ad hoc translocation events should be avoided. Conservation in situ and the preservation of laurel forest remains are recommended. The study of this species’ taxonomy, genetics, and population dynamics in the Macaronesian region should be continued.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRego, R. M. C., Vieira, A. F., Silva, L., Elias, R. B., Silva, C., Resendes, R., & Moura, M. (2024). Microsatellites reveal high levels of genetic admixture in the natural populations of Laurus azorica, Lauraceae. "Plant Systematics and Evolution", 310, 1-17. DOI:10.1007/s00606-023-01888-6pt_PT
dc.identifier.doi10.1007/s00606-023-01888-6pt_PT
dc.identifier.eissn1615-6110
dc.identifier.issn0378-2697
dc.identifier.urihttp://hdl.handle.net/10400.3/7083
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relation.publisherversionhttps://link.springer.com/article/10.1007/s00606-023-01888-6pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAzorespt_PT
dc.subjectConservation Strategiespt_PT
dc.subjectGenetic Diversitypt_PT
dc.subjectLaurus Azoricapt_PT
dc.subjectPopulation Structurept_PT
dc.subjectPrivate Allelespt_PT
dc.titleMicrosatellites reveal high levels of genetic admixture in the natural populations of Laurus azorica, Lauraceaept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage17pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titlePlant Systematics and Evolutionpt_PT
oaire.citation.volume310pt_PT
person.familyNameRego
person.familyNameSilva
person.familyNamePires Bento da Silva Elias
person.familyNameSilva
person.familyNameResendes
person.familyNameTavares de Moura
person.givenNameRúben
person.givenNameLuís
person.givenNameRui Miguel
person.givenNameCarlos
person.givenNameRoberto
person.givenNameMónica Maria
person.identifierB-9055-2018
person.identifier.ciencia-idB816-7471-C4B4
person.identifier.ciencia-idB61A-C1E6-2360
person.identifier.orcid0000-0002-7893-6525
person.identifier.orcid0000-0003-1236-5798
person.identifier.orcid0000-0003-2397-2438
person.identifier.orcid0000-0002-3746-3581
person.identifier.orcid0000-0003-1505-651X
person.identifier.orcid0000-0001-5555-2388
person.identifier.scopus-author-id7006549169
person.identifier.scopus-author-id7006262736
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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