Cited by 583Plant Micronutrient Interactions and EffectsPlant Molecular Biology ResearchPlant nutrient uptake and metabolism

Transition metal transport

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Krämer, Ute, Talke, Ina N., Hanikenne, Marc·2007·FEBS Letters

Abstract

Transition metal transporters are of central importance in the plant metal homeostasis network which maintains internal metal concentrations within physiological limits. An overview is given of the functions of known transition metal transporters in the context of the unique chemical properties of their substrates. The modifications of the metal homeostasis network associated with the adaptation to an extreme metalliferous environment are illustrated in two Brassicaceae metal hyperaccumulator model plants based on cross-species transcriptomics studies. In a comparison between higher plants and unicellular algae, hypotheses are generated for evolutionary changes in metal transporter complements associated with the transition to multicellularity.

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Crossref · 10.1016/j.febslet.2007.04.010

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79 of 79 references verified0 citation errors · 0 not checkable

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  • The expression of transporter genes very often varies concerning metal ion supply, tissue, organ, and populations of hyperaccumulators.

    “It is pertinent to mention that the expression of transporter genes very often varies concerning metal ion supply, tissue, organ, and populations of hyperaccumulators (Krämer et al., 2007; Verbruggen et al., 2009b; Küpper and Kochian, 2010; Visioli et al., 2014).”

    From Plant hyperaccumulators: a state-of-the-art review on mechanism of heavy metal transport and sequestration (2025) · cites this paper as Krämer et al., 2007

    Section 4.1 (p. 8) reports that ZIP transporter-gene expression in hyperaccumulators changes with zinc supply and differs between roots and shoots. Section 4.2 (p. 9) also describes tissue-specific expression across three accessions. The paper notes variation in metal accumulation and tolerance between populations (section 4, p. 7), but does not establish that transporter-gene expression varies between those populations. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Metal ion transport into vacuoles occurs through CDF (cation diffusion facilitator), MTP (metal tolerance protein), and P1B type ATPase HMA3.

    “Moreover, metal ion transport into vacuoles occurs through CDF (cation diffusion facilitator), MTP (metal tolerance protein), and P1B type ATPase HMA3 (Krämer et al., 2007; Verbruggen et al., 2009b; Andresen et al., 2018).”

    From Plant hyperaccumulators: a state-of-the-art review on mechanism of heavy metal transport and sequestration (2025) · cites this paper as Krämer et al., 2007

    Section 4.2 (p. 9) identifies plant CDF transporters as MTPs, and section 5.2 (p. 15) says MTP1 and MTP3 store zinc in vacuoles. The paper identifies HMA3 as a P1B-type ATPase (section 4.3, p. 10), but does not establish that HMA3 transports metals into vacuoles; section 3 (p. 6) instead reports HMA3 among ATPases exporting metals across the plasma membrane. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • A great deal of metal ion transport has been explored through studies on ZIP transporters, as they are involved mainly in the uptake of metal ions.

    “A great deal of metal ion transport has been explored through studies on ZIP transporters, as they are involved mainly in the uptake of metal ions (Krämer et al., 2007; Andresen et al., 2018).”

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Authors
Krämer, U., Talke, I. N., & Hanikenne, M.
Affiliations
  • Max Planck Institute of Molecular Plant Physiology (DE)
  • University of Liège (BE)
Corresponding author
Krämer, Ute
Venue
FEBS Letters
Publisher
Wiley
Published
2007-04-17
Volume
581
Issue
12
Pages
2263-2272
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W2054518237
Cited by
583
References
79
Citations by year
2026: 20 · 2025: 21 · 2024: 14 · 2023: 20 · 2022: 21 · 2021: 51 · 2020: 45 · 2019: 43 · 2018: 30 · 2017: 32 · 2016: 37 · 2015: 35 · 2014: 37 · 2013: 30 · 2012: 36
FWCI
2.12
Type
journal article
Language
en
Open access
Locations
  • FEBS Letters (publishedVersion)
  • PubMed (publishedVersion)
  • ORBi (University of Liège) (submittedVersion)
Funders
  • European Commission (FOOD‐CT‐2006‐016253)
  • Deutsche Forschungsgemeinschaft
  • Fonds De La Recherche Scientifique - FNRS
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Micronutrient Interactions and Effects
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant nutrient uptake and metabolism
Keywords
plant metal homeostasis, metal hyperaccumulation, Brassicaceae, metalliferous soils, cross-species transcriptomics, multicellularity, algae
MeSH terms
Biological Transport, Active, Cell Membrane, Chelating Agents, Biological Evolution, Multigene Family, Homeostasis, Iron, Models, Biological, Plant Proteins, Plants, Genes, Plant, Protein Structure, Tertiary, Chloroplast Proton-Translocating ATPases, Membrane Transport Proteins, Cation Transport Proteins, Transition Elements

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