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Global warming and chromosomal inversion adaptation in isolated islands: Drosophila subobscura populations from Madeira

2020Journal article Open access
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dc.contributor.authorMadrenas, Raquel
dc.contributor.authorBalanyà, Joan
dc.contributor.authorArenas, Concepció
dc.contributor.authorKhadem, Mahnaz
dc.contributor.authorMestres, Francesc
dc.date.accessioned2023-10-30T14:54:50Z
dc.date.available2023-10-30T14:54:50Z
dc.date.issued2020
dc.description.abstractGlobal warming is an environmental phenomenon to which species must adapt to survive. Drosophila sub obscura presents an adaptive capacity due to its chromosomal inversion polymorphism. Until now, the impact of global warming on this polymorphism has been studied in D. subobscura populations located either on a continental mainland or on islands not far from a continent. In this context, gene flow could be a relevant mechanism allowing the movement of thermally adapted inversions between populations. Our aim was to sample and study the chromosomal polymorphism on Madeira, a small isolated island in the Atlantic Ocean. We compared our findings with those reported in the same location approximately four and five decades ago. Moreover, we studied whether global warming has occurred on this island by analyz ing mean, maximum and minimum temperatures over a 55-year period. All atmospheric parameters have increased significantly, consistent with climate change expectations. Frequencies and chromosomal thermal index values of thermal adapted inversions remained quite stable over years. Furthermore, J, U and O chro mosomes are almost fixed for “warm” adapted inversions. Thus, if there is little genetic variability remaining and temperatures continue increasing, island populations of D. subobscura might be on the threshold of endangerment. However, apart from selection, genetic drift and inbreeding, other processes, such as phenotypic plasticity or thermoregulatory behavior, could be involved in the survival of the species’ populations. Finally, although in danger, D. subobscura is a generalist that lives in humanized environ ments, and this fact could favor its persistence on Madeira Island.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMadrenas, R., Balanyà, J., Arenas, C., Khadem, M., & Mestres, F. (2020). Global warming and chromosomal inversion adaptation in isolated islands: Drosophila subobscura populations from Madeira. Entomological Science, 23(1), 74-85.pt_PT
dc.identifier.doi10.1111/ens.12398pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/5341
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectChromosomal inversionpt_PT
dc.subjectClimate changept_PT
dc.subjectSelectionpt_PT
dc.subjectTemperaturept_PT
dc.subjectThermoregulatory behaviorpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleGlobal warming and chromosomal inversion adaptation in isolated islands: Drosophila subobscura populations from Madeirapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage85pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage74pt_PT
oaire.citation.titleEntomological Sciencept_PT
oaire.citation.volume23pt_PT
person.familyNameKhadem
person.familyNameMestres
person.givenNameMahnaz
person.givenNameFrancesc
person.identifier334350
person.identifier.orcid0000-0003-0259-1126
person.identifier.orcid0000-0002-9073-4862
person.identifier.ridE-9220-2016
person.identifier.scopus-author-id6701439240
person.identifier.scopus-author-id6701736563
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd3e7023b-4302-47cc-9ee5-d071a218cd9d
relation.isAuthorOfPublicationfbc2b97d-4ee2-41e5-9235-f8260f9b565c
relation.isAuthorOfPublication.latestForDiscoveryfbc2b97d-4ee2-41e5-9235-f8260f9b565c

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