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  • Title: Drought, metabolites, and Arabidopsis natural variation: a promising combination for understanding adaptation to water-limited environments.
    Author: Verslues PE, Juenger TE.
    Journal: Curr Opin Plant Biol; 2011 Jun; 14(3):240-5. PubMed ID: 21561798.
    Abstract:
    Drought elicits substantial changes in plant metabolism and it remains a challenge to determine which of these changes represent adaptive responses and which of them are merely neutral effects or even symptoms of damage. Arabidopsis primarily uses low water potential/dehydration avoidance strategies to respond to water limitation. The large variation in evolved stress responses among accessions can be a powerful tool to identify ecologically important and adaptive traits; however, collection of relevant phenotype data under controlled water stress is often a limiting factor. Quantitative genetics of Arabidopsis has great potential to find the genes underlying variation in drought-affected metabolic traits, for example proline metabolism, as well as overall adaptation.
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