title: Adaptation to climate across the Arabidopsis thaliana genome.
abstract: Understanding the genetic bases and modes of adaptation to current climatic conditions is essential to accurately predict responses to future environmental change. We conducted a genome-wide scan to identify climate-adaptive genetic loci and pathways in the plant Arabidopsis thaliana. Amino acid-changing variants were significantly enriched among the loci strongly correlated with climate, suggesting that our scan effectively detects adaptive alleles. Moreover, from our results, we successfully predicted relative fitness among a set of geographically diverse A. thaliana accessions when grown together in a common environment. Our results provide a set of candidates for dissecting the molecular bases of climate adaptations, as well as insights about the prevalence of selective sweeps, which has implications for predicting the rate of adaptation.
authors: Department of Ecology and Evolution, University of Chicago, 1101 East 57th Street, Chicago, IL 60637, USA.
authors: Angela M
authors: AM
authors: Hancock
authors: Benjamin
authors: B
authors: Brachi
authors: Nathalie
authors: N
authors: Faure
authors: Matthew W
authors: MW
authors: Horton
authors: Lucien B
authors: LB
authors: Jarymowycz
authors: F Gianluca
authors: FG
authors: Sperone
authors: Chris
authors: C
authors: Toomajian
authors: Fabrice
authors: F
authors: Roux
authors: Joy
authors: J
authors: Bergelson
mesh_terms: D000064:Acclimatization / Q000235:genetics*; D000222:Adaptation, Physiological / Q000235:genetics; D000483:Alleles; D017360:Arabidopsis / Q000235:genetics* / Q000254:growth & development / Q000502:physiology*; D001208:Asia; D002980:Climate; D057231:Climate Change; D004734:Energy Metabolism; D005060:Europe; D056084:Genetic Fitness; D058685:Genetic Pleiotropy; D018745:Genome, Plant; D055106:Genome-Wide Association Study; D015810:Linkage Disequilibrium; D020641:Polymorphism, Single Nucleotide; D012641:Selection, Genetic; D013696:Temperature; D014867:Water
chemical_list: D014867:Water