Cadmium removal capacities of filamentous soil fungi isolated from industrially polluted sediments, in La Plata (Argentina)

By G. Massaccesi, M. Romero, M. Cazau, A. M. Bucsinszky. 2002

103 citations recorded by the source corpus.

Aspergillus terreus, Cladosporium cladosporioides, Fusariumoxysporum, Gliocladium roseum, Penicillium spp., Talaromyces helicus and Trichodermakoningii were isolated from heavily polluted streams near an industrial area in La Plata, Argentina. The fungi were obtained from sediments with 0.25–0.50 mg Cd/l and they were isolated in cadmium-basal medium. They were then cultivated to evaluate their Cd detoxification abilities. The biomass developed in static assays represented 5–53% of the yield of stirred cultures, for the different fungal species, although the cadmium absorption were similar in both cases. These soil fungi represented 50% of the total isolates and their mycelial growth was conspicuous in these polluted sediments. Although bacteria have been mentioned as active microorganisms against heavy metals, the mycelial fungi were able to develop a significantly higher mass to sequestrate more metals. Thus, they could be used in remediation biotechnology to improve the Cd detoxification of chronically contaminated habitats.

Subfields: Health, Toxicology and Mutagenesis, Plant Science, Pollution

View Paper: https://www.semanticscholar.org/paper/e917353e75a0df898285b17e9015da093eea8006

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Citations in the corpus

Metal bioremediation through growing cells. (2004, background): “Various strains of filamentous soil fungi isolated from the sediments of industrially polluted streams (Table 1) removed 63–70% Cd during the 13-day growth period (Massaccesi et al., 2002).”
Heavy metal tolerance of filamentous fungi isolated from polluted sites in Tangier, Morocco (2009, background): “Massaccesi et al. (2002) reported that various filamentous fungi isolated from the sediments of industrially polluted streams removed 63 to 70% Cd during a 13-day growth period.”
Geomycology: biogeochemical transformations of rocks, minerals, metals and radionuclides by fungi, bioweathering and bioremediation. (2007, unknown): “Mycelial fungi can develop a significant biomass in soil and may sequester considerable amounts of metals (Massaccesi et al. 2002).”
Fungi in lake ecosystems (2010, background): “Besides organic pollutants, inorganic pollutants such as heavy metals have a pronounced effect on activity and diversity of microbial communities (Duarte et al. 2008) and in a stream sediment fungi have been found to be superior to bacteria in sequestration of cadmium (Massaccesi et al. 2002).”