Journal
SCIENCE
Volume 334, Issue 6052, Pages 86-89Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1209271
Keywords
-
Categories
Funding
- NSF [EF-0425759]
- Alexander von Humboldt Research Award
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [0924059] Funding Source: National Science Foundation
Ask authors/readers for more resources
Local adaptation is critical for species persistence in the face of rapid environmental change, but its genetic basis is not well understood. Growing the model plant Arabidopsis thaliana in field experiments in four sites across the species' native range, we identified candidate loci for local adaptation from a genome-wide association study of lifetime fitness in geographically diverse accessions. Fitness-associated loci exhibited both geographic and climatic signatures of local adaptation. Relative to genomic controls, high-fitness alleles were generally distributed closer to the site where they increased fitness, occupying specific and distinct climate spaces. Independent loci with different molecular functions contributed most strongly to fitness variation in each site. Independent local adaptation by distinct genetic mechanisms may facilitate a flexible evolutionary response to changing environment across a species range.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available