Heavy metal binding by mycorrhizal fungi

Galli, Ulrich; Schuepp, Hannes; Brunold, Christian (1994). Heavy metal binding by mycorrhizal fungi. Physiologia Plantarum, 92(2), pp. 364-368. Blackwell 10.1111/j.1399-3054.1994.tb05349.x

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Ecto- and endomycorrhizal symbiosis can play a crucial role in protecting plant roots from heavy metals (HMs). The efficiency of protection, however, differs between distinct isolates of mycorrhizal fungi and different HMs. Fungal ecotypes from HM-contaminated sites seem to be more tolerant to HMs than reference strains from non-contaminated sites. The abundance of the extramatrical mycelium was shown to he important for HM binding by the fungus. Most of the HMs were demonstrated to be bound to cell wall components like chitin, cellulose. cellulose derivatives and mela-nins. The chemical nature of HM-binding substances in the fungal cells is not clear. Polyphosphate granules, which were proposed to have this function, seem to be artifacts of specimen preparation. The high N and S concentrations associated with the polyphosphate granules rather indicate the occurrence of HM-thiolate hinding by metallothionein-like peptides.

Item Type:

Journal Article (Original Article)


08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Stress Physiology [discontinued]
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

UniBE Contributor:

Brunold, Christian


500 Science > 580 Plants (Botany)








Peter Alfred von Ballmoos-Haas

Date Deposited:

31 Jan 2018 15:25

Last Modified:

31 Jan 2018 15:25

Publisher DOI:




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