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 journalArticle

141 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 languageEnglish
Pages (from-to)658-659
Number of pages2
JournalScience
Volume341
Issue number6146
Early online date25 Jul 2013
DOIs
Publication statusPublished - 9 Aug 2013

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