Natural genetic variation in selected populations of Arabidopsis thaliana Is associated with ionomic differences

Elizabeth Buescher, Tilman Achberger, Idris Amusan, Anthony Giannini, Cherie Ochsenfeld, Ana Rus, Brett Lahner, Owen Hoekenga, Elena Yakubova, Jeffrey F Harper, Mary Lou Guerinot, Min Zhang, David E Salt, Ivan R Baxter

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73 Citations (Scopus)
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Controlling elemental composition is critical for plant growth and development as well as the nutrition of humans who utilize plants for food. Uncovering the genetic architecture underlying mineral ion homeostasis in plants is a critical first step towards understanding the biochemical networks that regulate a plant's elemental composition (ionome). Natural accessions of Arabidopsis thaliana provide a rich source of genetic diversity that leads to phenotypic differences. We analyzed the concentrations of 17 different elements in 12 A. thaliana accessions and three recombinant inbred line (RIL) populations grown in several different environments using high-throughput inductively coupled plasma-mass spectroscopy (ICP-MS). Significant differences were detected between the accessions for most elements and we identified over a hundred QTLs for elemental accumulation in the RIL populations. Altering the environment the plants were grown in had a strong effect on the correlations between different elements and the QTLs controlling elemental accumulation. All ionomic data presented is publicly available at

Original languageEnglish
Article numbere11081
Number of pages10
JournalPloS ONE
Issue number6
Publication statusPublished - 14 Jun 2010
Externally publishedYes


  • quantitative trait loci
  • mineral concentrations
  • phosphate deficiency
  • aluminium tolerance
  • landsberg erecta
  • high-resolution
  • QTL analysis
  • identification
  • accumulation
  • plants


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