Publication:
Environmental association modelling with loci under divergent selection predicts the distribution range of a lizard

dc.contributor.authorLlanos Garrido, Alejandro
dc.contributor.authorBriega Álvarez, Andrea
dc.contributor.authorPérez Tris, Javier
dc.contributor.authorDíaz González-Serrano, José A.
dc.date.accessioned2023-06-17T08:25:28Z
dc.date.available2023-06-17T08:25:28Z
dc.date.issued2021-05-21
dc.description.abstractDuring the historical building of a species range, individual colonizers have to confront different ecological challenges, and the capacity of the species to broaden its range may depend on the total amount of adaptive genetic variation supplied by evolution. We set out to increase our understanding of what defines a range and the role of underlying genetics by trying to predict an entire species’ range from the geographical distribution of its genetic diversity under selection. We sampled five populations of the western Mediterranean lizard Psammodromus algirus that inhabit a noticeable environmental gradient of temperature and precipitation. We correlated the genotypes of 95 individuals (18–20 individuals per population) for 21 SNPs putatively under selection with environmental scores on a bioclimatic gradient, using 1 × 1 km2 grid cells as sampling units. By extrapolating the resulting model to all possible combinations of alleles, we inferred all the geographic cells that were theoretically suitable for a given amount of genetic variance under selection. The inferred distribution range overlapped to a large extent with the realized range of the species (77.46% of overlap), including an accurate prediction of internal gaps and range borders. Our results suggest an adaptability threshold determined by the amount of genetic variation available that would be required to warrant adaptation beyond a certain limit of environmental variation. These results support the idea that the expansion of a species’ range can be ultimately linked to the arising of new variants under selection (either newly selected variants from standing genetic variation or innovative mutations under selection).
dc.description.departmentDepto. de Biodiversidad, Ecología y Evolución
dc.description.facultyFac. de Ciencias Biológicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Ciencia e Innovación (MICINN)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/71747
dc.identifier.doi10.1111/mec.16002
dc.identifier.issn0962-1083, ESSN: 1365-294X
dc.identifier.officialurlhttps://doi.org/10.1111/mec.16002
dc.identifier.relatedurlhttps://onlinelibrary.wiley.com/doi/10.1111/mec.16002
dc.identifier.urihttps://hdl.handle.net/20.500.14352/7065
dc.issue.number15
dc.journal.titleMolecular Ecology
dc.language.isoeng
dc.page.final3868
dc.page.initial3856
dc.publisherWiley
dc.relation.projectID(grants CGL2013-41642-P, CGL2017-82117-P and PID2019-108341GB-I00)
dc.rights.accessRightsrestricted access
dc.subject.cdu598.112.23
dc.subject.keywordLocal adaptation
dc.subject.keywordLandscape genetics
dc.subject.keywordRange boundaries
dc.subject.keywordReptiles
dc.subject.ucmEcología (Biología)
dc.subject.ucmEvolución
dc.subject.ucmGenética
dc.subject.ucmReptiles
dc.subject.ucmZoología
dc.subject.unesco2401.06 Ecología animal
dc.subject.unesco2409 Genética
dc.subject.unesco2401.16 Herpetología
dc.subject.unesco2401 Biología Animal (Zoología)
dc.titleEnvironmental association modelling with loci under divergent selection predicts the distribution range of a lizard
dc.typejournal article
dc.volume.number30
dspace.entity.typePublication
relation.isAuthorOfPublication29f54d5c-7701-4131-8720-5f13c79a4ffa
relation.isAuthorOfPublication7153d770-6b8a-45ce-babb-dc6d3c923fa8
relation.isAuthorOfPublication.latestForDiscovery29f54d5c-7701-4131-8720-5f13c79a4ffa
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