Cited by 191Plant Micronutrient Interactions and EffectsHeavy metals in environmentHeavy Metals in Plants

The DOI matches its Crossref record; 79 of the 81 references it cites were found in a registry or an index.

Transcriptional regulation of metal transport genes and mineral nutrition during acclimatization to cadmium and zinc in the Cd/Zn hyperaccumulator, Thlaspi caerulescens (Ganges population)

Küpper, Hendrik, Kochian, Leon V.·2010·New Phytologist

Abstract

We investigated changes in mineral nutrient uptake and cellular expression levels for metal transporter genes in the cadmium (Cd)/zinc (Zn) hyperaccumulator, Thlaspi caerulescens during whole plant and leaf ontogenesis under different long-term treatments with Zn and Cd. Quantitative mRNA in situ hybridization (QISH) revealed that transporter gene expression changes not only dependent on metal nutrition/toxicity, but even more so during plant and leaf development. The main mRNA abundances found were: ZNT1, mature leaves of young plants; ZNT5, young leaves of young plants; MTP1 (= ZTP1 = ZAT), young leaves of both young and mature plants. Surprisingly different cellular expression patterns were found for ZNT1 and ZNT5, both belonging to the ZIP family of transition metal transporters: ZNT1, photosynthetic mesophyll and bundle sheath cells; ZNT5, nonphotosynthetic epidermal metal storage cells and bundle sheath cells. Thus, ZNT1 may function in micronutrient nutrition while ZNT5 may be involved in metal storage associated with hyperaccumulation. Cadmium inhibited the uptake of Zn, iron (Fe) and manganese (Mn), probably by competing for transporters or by interfering with the regulation of transporter gene expression. Cadmium-induced changes in cellular expression for ZNT1, ZNT5 and MTP1 could also be part of plant acclimatization to Cd toxicity. Defence against Cd toxicity involved enhanced uptake of magnesium (Mg), calcium (Ca) and sulphur (S).

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Crossref · 10.1111/j.1469-8137.2009.03051.x

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  1. Baumann A, 1885, Das Verhalten von Zinksalzen gegen Pflanzen und im Boden, Landwirtschaftliche Versuchsstation, 31, 1

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Metadata

Authors
Küpper, H., & Kochian, L. V.
Affiliations
United States Department of Agriculture (US)
Corresponding author
Küpper, Hendrik
Venue
New Phytologist
Publisher
Wiley
Published
2009-10-19
Volume
185
Issue
1
Pages
114-129
ISSN
  • 0028-646X (ISSN-L)
  • 1469-8137
OpenAlex
W2135630839
Cited by
191
References
81
Citations by year
2026: 6 · 2025: 15 · 2024: 11 · 2023: 11 · 2022: 7 · 2021: 11 · 2020: 25 · 2019: 11 · 2018: 9 · 2017: 9 · 2016: 15 · 2015: 12 · 2014: 8 · 2013: 10 · 2012: 14
FWCI
12.52
Type
journal article
Language
en
Open access
closed
Locations
  • New Phytologist (publishedVersion)
  • PubMed (publishedVersion)
  • KOPS (University of Konstanz) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Micronutrient Interactions and Effects
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Chemistry › Analytical Chemistry › Heavy Metals in Plants
Keywords
Thlaspi caerulescens, cadmium hyperaccumulation, zinc hyperaccumulation, metal transporters, ZnT1, mineral nutrition, cadmium toxicity, plant acclimation, leaf ontogenesis, micronutrient uptake
MeSH terms
Acclimatization, Biological Transport, Cadmium, Minerals, Plant Proteins, RNA, Messenger, Zinc, Gene Expression, Genes, Plant, Gene Expression Regulation, Plant, Plant Leaves, Metals, Heavy, Cation Transport Proteins, Thlaspi

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