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Article

Functional analysis of the three HMA4 copies of the metal hyperaccumulator Arabidopsis halleri.

Journal of experimental botany - 1 Sept 2015

Nouet Cécile, Charlier Jean-Benoit, Carnol Monique, Bosman Bernard, Farnir Frédéric, Motte Patrick, Hanikenne Marc

Abstract excerpt

In Arabidopsis halleri, the HMA4 gene has an essential function in Zn/Cd hypertolerance and hyperaccumulation by mediating root-to-shoot translocation of metals. Constitutive high expression of AhHMA4 results from a tandem triplication and cis-activation of the promoter of all three copies. The three AhHMA4 copies possess divergent promoter sequences, but highly conserved coding sequences, and display identical...

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Identifiers

PMID: 26044091
DOI: 10.1093/jxb/erv280
PMCID: PMC4566976

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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