Population genomic consequences of life-history and mating system adaptation to a geothermal soil mosaic in yellow monkeyflowers.
Edaphic adaptation, Erythranthe
population genetic structure
self-pollination
speciation
Journal
Evolution; international journal of organic evolution
ISSN: 1558-5646
Titre abrégé: Evolution
Pays: United States
ID NLM: 0373224
Informations de publication
Date de publication:
04 2022
04 2022
Historique:
revised:
13
01
2022
received:
20
07
2021
accepted:
26
01
2022
pubmed:
11
3
2022
medline:
8
4
2022
entrez:
10
3
2022
Statut:
ppublish
Résumé
Local selection can promote phenotypic divergence despite gene flow across habitat mosaics, but adaptation itself may generate substantial barriers to genetic exchange. In plants, life-history, phenology, and mating system divergence have been proposed to promote genetic differentiation in sympatry. In this study, we investigate phenotypic and genetic variation in Mimulus guttatus (yellow monkeyflowers) across a geothermal soil mosaic in Yellowstone National Park (YNP). Plants from thermal annual and nonthermal perennial habitats were heritably differentiated for life-history and mating system traits, consistent with local adaptation to the ephemeral thermal-soil growing season. However, genome-wide genetic variation primarily clustered plants by geographic region, with little variation sorting by habitat. The one exception was an extreme thermal population also isolated by a 200 m geographical gap of no intermediate habitat. Individual inbreeding coefficients (F
Substances chimiques
Soil
0
Banques de données
Dryad
['10.5061/dryad.dfn2z353s']
Types de publication
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
765-781Informations de copyright
© 2022 The Authors. Evolution © 2022 The Society for the Study of Evolution.
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