Molds and contaminated soils
Les moisissures championnes de l'adaptation
The rapid development of human activities and the different industries has led to a significant accumulation of heavy metals in the environment. Many metals are necessary for cellular metabolism (Fe, Cu, Ni, Zn), others are even considered toxic at low concentrations (Hg, Pb, Cd). However, regardless of the metals in question, they are toxic at high concentrations. Various fungi belonging to different taxonomic groups have been identified in contaminated environments and have revealed a capacity to survive and grow in the presence of potentially toxic concentrations. To adapt to this stress, fungi have developed several mechanisms at intracellular and extracellular level.
Among the studies by CONIDIA on the subject, the adaptation of mold Botrytis cinerea to high concentrations of heavy metals including copper is made possible through protein modifications. This work aims to show that mold can actively participate in bioremediation of contaminated soils not only for heavy metals but also other types of contaminants (hydrocarbons, COHVs …).
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