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Description
  • Mercury is a natural element found in rocks, soil, water, air, plants, and animals, in a variety of chemical forms. In past, industrial activities have increased the portion of Hg in the environment, including soil, water or atmosphere. Divalent and elemental Hg can be bound to organic matter in soil and can affect soil microbial communities. The aim of this project is investigations of the role of soil microbial communities and individual bacterial or fungal strains in Hg accumulation and/or transformation. Project focuses on identification and isolation of soil microbial strains from Hg polluted localities, investigation of their ability to accumulate/transform Hg and their compounds in model conditions, assess the effects of sulfur on the fate of inorganic and organic Hg compounds in soil and their accumulation/transformation by individual microbial strains and assess bioremediation potential of Hg-resistent fungal strains to decrease Hg levels in the soil in both laboratory and field conditions. The former waste incineration plant near Hradec Králové was chosen for the study. (en)
  • Rtuť je přírodní prvek, vyskytující se běžně v životním prostředí v nejrůznějších chemických formách. V poslední době vlivem průmyslových aktivit jeho koncentrace ve vodách, ovzduší i v půdě vzrostla. Elementární a dvojmocná rtuť se váže na organickou složku půdy a ovlivňuje mikrobní komunity. Cílem projektu je studium role mikrobních komunit a jednotlivých kmenů bakterií a hub v akumulaci či transformaci rtuti a jejich sloučenin. Projekt je zaměřen na izolace a charakterizace půdních komunit i jednotlivých rezistentních kmenů, studium jejich schopnosti akumulovat/transformovat Hg sloučeniny, vlivu síry na tento proces a na studium schopností půdních mikroorganismů snižovat obsahy rtuti v půdě v laboratorních i polních podmínkách. Zdrojem mikroorganismů bude bývalá spalovna odpadu v Hradci Králové.
Title
  • Mercury uptake accumulation and transformation by soil microflora: an assessment of possible approach for bioremediation of mercury contaminated soils (en)
  • Transformace sloučenin rtuti půdní mikroflórou: možné využití pro bioremediační technologie
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  • GAP503/12/0682
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  • mercury speciation soil microflora bioremediation (en)
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