title: Translocation of mercury from substrate to fruit bodies of Panellus stipticus, Psilocybe cubensis, Schizophyllum commune and Stropharia rugosoannulata on oat flakes.
abstract: The cultivation and fructification of 15 saprotrophic and wood-rotting fungal strains were tested on three various semi-natural medium. The formation of fruit bodies was observed for Panellus stipticus, Psilocybe cubensis, Schizophyllum commune and Stropharia rugosoannulata in the frame of 1-2 months. Mercury translocation from the substrate to the fruit bodies was then followed in oat flakes medium. Translocation was followed for treatments of 0, 1.25, 2.5, 5, 10 and 20ppm Hg in the substrate. All four fungi formed fruit bodies in almost all replicates. The fruit body yield varied from 0.5 to 15.3g dry weight. The highest bioconcentration factor (BCF) of 2.99 was found for P. cubensis at 1.25ppm Hg. The BCF decreased with increasing Hg concentration in the substrate: 2.49, 0, 2.38, 1.71 and 1.82 for P. stipticus; 3.00, 2.78, 2.48, 1.81 and 2.15 for P. cubensis; 2.47, 1.81, 1.78, 1.07 and 0.96 for S. commune; and 1.96, 1.84, 1.21, 1.71 and 0.96 for S. rugosoannulata. The Hg contents in the fruit bodies reflected the Hg contents in the substrate; the highest contents in the fruit bodies were found in P. cubensis (43.08±7.36ppm Hg) and P. stipticus (36.42±3.39ppm).
authors.affiliation: Laboratory of Environmental Microbiology, Institute of Microbiology AS CR, v.v.i., Prague 4-Krč, Czech Republic. Electronic address: gabriel@biomed.cas.cz.
authors.forename: Jiří
authors.initials: J
authors.lastname: Gabriel
authors.affiliation: Laboratory of Environmental Microbiology, Institute of Microbiology AS CR, v.v.i., Prague 4-Krč, Czech Republic.
authors.forename: Karel
authors.initials: K
authors.lastname: Švec
authors.affiliation: Department of Agrienvironmental Chemistry and Plant Nutrition, Czech University of Life Sciences Prague, Prague 6-Suchdol, Czech Republic.
authors.forename: Dana
authors.initials: D
authors.lastname: Kolihová
authors.affiliation: Department of Agrienvironmental Chemistry and Plant Nutrition, Czech University of Life Sciences Prague, Prague 6-Suchdol, Czech Republic.
authors.forename: Pavel
authors.initials: P
authors.lastname: Tlustoš
authors.affiliation: Department of Agrienvironmental Chemistry and Plant Nutrition, Czech University of Life Sciences Prague, Prague 6-Suchdol, Czech Republic.
authors.forename: Jiřina
authors.initials: J
authors.lastname: Száková
mesh_terms: D000363:Agaricales / Q000737:chemistry* / Q000145:classification; D018554:Avena / Q000737:chemistry*; D003470:Culture Media / Q000737:chemistry; D048690:Fruiting Bodies, Fungal / Q000737:chemistry*; D008628:Mercury / Q000032:analysis*; D055391:Psilocybe / Q000737:chemistry* / Q000145:classification; D012567:Schizophyllum / Q000737:chemistry* / Q000145:classification
chemical_list: D003470:Culture Media; D008628:Mercury
keywords: Bioaccumulation; Fructification; Fungi; Mercury; Translocation