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

doi:10.1371/journal.pone.0011081

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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Abstract

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 www.ionomicshub.org.

Original language	English
Article number	e11081
Number of pages	10
Journal	PloS ONE
Volume	5
Issue number	6
DOIs	https://doi.org/10.1371/journal.pone.0011081
Publication status	Published - 14 Jun 2010
Externally published	Yes

Keywords

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

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Natural genetic
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Buescher, E., Achberger, T., Amusan, I., Giannini, A., Ochsenfeld, C., Rus, A., Lahner, B., Hoekenga, O., Yakubova, E., Harper, J. F., Guerinot, M. L., Zhang, M., Salt, D. E., & Baxter, I. R. (2010). Natural genetic variation in selected populations of Arabidopsis thaliana Is associated with ionomic differences. PloS ONE, 5(6), Article e11081. https://doi.org/10.1371/journal.pone.0011081

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abstract = "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 www.ionomicshub.org.",

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AU - Rus, Ana

AU - Lahner, Brett

AU - Hoekenga, Owen

AU - Yakubova, Elena

AU - Harper, Jeffrey F

AU - Guerinot, Mary Lou

AU - Zhang, Min

AU - Salt, David E

AU - Baxter, Ivan R

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AB - 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 www.ionomicshub.org.

KW - quantitative trait loci

KW - mineral concentrations

KW - phosphate deficiency

KW - aluminium tolerance

KW - landsberg erecta

KW - high-resolution

KW - QTL analysis

KW - identification

KW - accumulation

KW - plants

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DO - 10.1371/journal.pone.0011081

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VL - 5

JO - PloS ONE

JF - PloS ONE

IS - 6

M1 - e11081

ER -

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

Abstract

Keywords

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