Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 13, Issue 2, Pages 119-125Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2009.11.003
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Funding
- National Science Foundation [0820846]
- National Science Foundation Office of International Science and Engineering [0751073]
- National Institute of Health National Research Service [F32ES015443]
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [0820846] Funding Source: National Science Foundation
- Office Of Internatl Science &Engineering
- Office Of The Director [0751073] Funding Source: National Science Foundation
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In the face of global change, agriculture increasingly requires germplasm with high yields on marginal lands. Identifying pathways that are adaptive under marginal conditions is increasingly possible with advances at the intersection of evolutionary ecology, population genetics, and functional genomics. Trait-based (reverse ecology) approaches have connected flowering time in Arabidopsis thaliana to single alleles with environment-specific effects. Similarly, genetic dissection of rice flooding tolerance enabled the production of near-isogenic lines exhibiting tolerance and high yields. An alternative gene-forward (forward ecology) approach identified candidate genes for local adaptation of Arabidopsis lyrata to heavy-metal rich soils. A global perspective on plant adaptation and trait correlations provides a foundation for breeding tolerant crops and suggests populations adapted to marginal habitats be conservation priorities.
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