Polyploids exhibit higher potassium uptake and salinity tolerance in Arabidopsis

Dai-Yin Chao; Brian Dilkes; Hongbing Luo; Alex Douglas; Elena Yakubova; Brett Lahner; David E.  Salt

doi:10.1126/science.1240561

Polyploids exhibit higher potassium uptake and salinity tolerance in Arabidopsis

Dai-Yin Chao, Brian Dilkes, Hongbing Luo, Alex Douglas, Elena Yakubova, Brett Lahner, David E. Salt

Research output: Contribution to journal › Article › peer-review

262 Citations (Scopus)

Abstract

Genome duplication (or polyploidization) has occurred throughout plant evolutionary history and is thought to have driven the adaptive radiation of plants. We found that the cytotype of the root, and not the genotype, determined the majority of heritable natural variation in leaf potassium (K) concentration in Arabidopsis thaliana. Autopolyploidy also provided resistance to salinity and may represent an adaptive outcome of the enhanced K accumulation of plants with higher ploidy.

Original language	English
Pages (from-to)	658-659
Number of pages	2
Journal	Science
Volume	341
Issue number	6146
Early online date	25 Jul 2013
DOIs	https://doi.org/10.1126/science.1240561
Publication status	Published - 9 Aug 2013

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AU - Dilkes, Brian

AU - Luo, Hongbing

AU - Douglas, Alex

AU - Yakubova, Elena

AU - Lahner, Brett

AU - Salt, David E.

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AB - Genome duplication (or polyploidization) has occurred throughout plant evolutionary history and is thought to have driven the adaptive radiation of plants. We found that the cytotype of the root, and not the genotype, determined the majority of heritable natural variation in leaf potassium (K) concentration in Arabidopsis thaliana. Autopolyploidy also provided resistance to salinity and may represent an adaptive outcome of the enhanced K accumulation of plants with higher ploidy.

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Polyploids exhibit higher potassium uptake and salinity tolerance in Arabidopsis

Abstract

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