N

Noccaea caerulescens (J.Presl & C.Presl) F.K.Mey.

alpine pennycress

Brassicaceae Herb

Synonym: Thlaspi caerulescens

Accumulation profile

Zn Zinc Obligate
40,000 µg g⁻¹ DW
13.3× the zinc threshold
Other zinc accumulators →
Cd Cadmium Facultative
10,000 µg g⁻¹ DW
100× the cadmium threshold
Other cadmium accumulators →
Substrate
Calamine (Zn/Pb/Cd)
Habitat
Metalliferous grassland and mine spoil
Distribution
Western & Central Europe
First reported
1988 · Baker & Brooks
Verification
review-cited

Description & ecology

The foremost molecular model for zinc and cadmium hyperaccumulation. Southern-French (Ganges) populations combine very high zinc with the highest known foliar cadmium.

Its genetics have driven much of what is known about metal transporters and root-to-shoot translocation.

References

  1. Verbruggen, N., Hermans, C., & Schat, H. (2009). Molecular mechanisms of metal hyperaccumulation in plants. New Phytologist, 181, 759–776. doi:10.1111/j.1469-8137.2008.02748.x
  2. Krämer, U. (2010). Metal hyperaccumulation in plants. Annual Review of Plant Biology, 61, 517–534. doi:10.1146/annurev-arplant-042809-112156
  3. Reeves, R. D., Baker, A. J. M., Jaffré, T., Erskine, P. D., Echevarria, G., & van der Ent, A. (2018). A global database for plants that hyperaccumulate metal and metalloid trace elements. New Phytologist, 218, 407–411. doi:10.1111/nph.14907

Related cadmium accumulators

Arabidopsis halleriBrassicaceaeNoccaea praecoxBrassicaceaePhytolacca americanaPhytolaccaceaeSedum alfrediiCrassulaceae