Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/27599
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dc.contributor.authorBaduel, Pierreen_UK
dc.contributor.authorBray, Sianen_UK
dc.contributor.authorVallejo-Marín, Marioen_UK
dc.contributor.authorKolář, Filipen_UK
dc.contributor.authorYant, Levien_UK
dc.date.accessioned2018-08-03T00:04:10Z-
dc.date.available2018-08-03T00:04:10Z-
dc.date.issued2018-08-20en_UK
dc.identifier.other117en_UK
dc.identifier.urihttp://hdl.handle.net/1893/27599-
dc.description.abstractThe duplication of an entire genome is no small affair. Whole genome duplication (WGD) is a dramatic mutation with long-lasting effects, yet it occurs repeatedly in all eukaryotic kingdoms. Plants are particularly rich in documented WGDs, with recent and ancient polyploidization events in all major extant lineages. However, challenges immediately following WGD, such as the maintenance of stable chromosome segregation or detrimental ecological interactions with diploid progenitors, commonly do not permit establishment of nascent polyploids. Despite these immediate issues some lineages nevertheless persist and thrive. In fact, ecological modelling supports patterns of adaptive niche differentiation in polyploids, with young polyploids often invading new niches and leaving their diploid progenitors behind. In line with these observations of polyploid evolutionary success, recent work documents instant physiological consequences of WGD associated with increased dehydration stress tolerance in first-generation autotetraploids. Furthermore, population genetic theory predicts both short-and long-term benefits of polyploidy and new empirical data suggests that established polyploids may act as 'sponges' accumulating adaptive allelic diversity. In addition to their increased genetic variability, introgression with other tetraploid lineages, diploid progenitors, or even other species, further increases the available pool of genetic variants to polyploids. Despite this, the evolutionary advantages of polyploidy are still questioned, and the debate over the idea of polyploidy as an evolutionary dead-end carries on. Here we broadly synthesise the newest empirical data moving this debate forward. Altogether, evidence suggests that if early barriers are overcome, WGD can offer instantaneous fitness advantages opening the way to a transformed fitness landscape by sampling a higher diversity of alleles, including some already preadapted to their local environment. This occurs in the context of intragenomic, population genomic, and physiological modifications that can, on occasion, offer an evolutionary edge. Yet in the long run, early advantages can turn into long-term hindrances, and without ecological drivers such as novel ecological niche availability or agricultural propagation, a restabilization of the genome via diploidization will begin the cycle anew.en_UK
dc.language.isoenen_UK
dc.publisherFrontiers Mediaen_UK
dc.relationBaduel P, Bray S, Vallejo-Marín M, Kolář F & Yant L (2018) The "Polyploid Hop": shifting challenges and opportunities over the evolutionary lifespan of genome duplications. Frontiers in Ecology and Evolution, 6, Art. No.: 117. https://doi.org/10.3389/fevo.2018.00117en_UK
dc.rights© 2018 Baduel, Bray, Vallejo-Marin, Kolář and Yant. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_UK
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_UK
dc.subjectpolyploidyen_UK
dc.subjectselectionen_UK
dc.subjectpopulation geneticsen_UK
dc.subjectevolutionen_UK
dc.subjectautopolyploidyen_UK
dc.subjectgenomeen_UK
dc.titleThe "Polyploid Hop": shifting challenges and opportunities over the evolutionary lifespan of genome duplicationsen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.3389/fevo.2018.00117en_UK
dc.citation.jtitleFrontiers in Ecology and Evolutionen_UK
dc.citation.issn2296-701Xen_UK
dc.citation.volume6en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.funderBiotechnology and Biological Sciences Research Councilen_UK
dc.contributor.funderEuropean Commissionen_UK
dc.citation.date20/08/2018en_UK
dc.contributor.affiliationEcole Normale Superieure (ENS)en_UK
dc.contributor.affiliationJohn Innes Centreen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of Innsbrucken_UK
dc.contributor.affiliationJohn Innes Centreen_UK
dc.identifier.scopusid2-s2.0-85052876045en_UK
dc.identifier.wtid964478en_UK
dc.contributor.orcid0000-0002-5663-8025en_UK
dc.date.accepted2018-07-23en_UK
dcterms.dateAccepted2018-07-23en_UK
dc.date.filedepositdate2018-08-02en_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorBaduel, Pierre|en_UK
local.rioxx.authorBray, Sian|en_UK
local.rioxx.authorVallejo-Marín, Mario|0000-0002-5663-8025en_UK
local.rioxx.authorKolář, Filip|en_UK
local.rioxx.authorYant, Levi|en_UK
local.rioxx.projectProject ID unknown|Biotechnology and Biological Sciences Research Council|http://dx.doi.org/10.13039/501100000268en_UK
local.rioxx.projectProject ID unknown|European Commission (Horizon 2020)|en_UK
local.rioxx.freetoreaddate2018-08-20en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||2018-08-20en_UK
local.rioxx.licencehttp://creativecommons.org/licenses/by/4.0/|2018-08-20|en_UK
local.rioxx.filenamefevo-06-00117.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source2296-701Xen_UK
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