All kinds of microbes, including Aspergillus can contribute actively to geological phenomena, and central to many such geomicrobial processes are transformations of metals and minerals.

Microbes have a variety of properties that can effect changes in metal speciation, toxicity and mobility, as well as mineral formation or mineral dissolution or deterioration. Such mechanisms are important components of natural biogeochemical cycles for metals as well as associated elements in biomass, soil, rocks and minerals, e.g. sulfur and phosphorus, and metalloids, actinides and metal radionuclides.

Apart from being important in natural biosphere processes, metal and mineral transformations can have beneficial or detrimental consequences in a human context. Bioremediation is the application of biological systems to the clean-up of organic and inorganic pollution, with bacteria and fungi being the most important organisms for reclamation, immobilization or detoxification of metallic and radionuclide pollutants.


Biogenic Weathering of Mineral Substrates (Review)
Chizhikova et. al. (2016)
Oxalate production by fungi: significance in geomycology, biodeterioration and bioremediation
G. M. Gadd et. al (2014)
Fungi as Geologic Agents
Katja Sterflinger (2010)
Biohydrometallurgy for Nonsulfidic Minerals: A Review
Nalini Jain and D. K. Sharma (2010)
Geomicrobiology of Eukaryotic Microorganisms
Geoffrey M. Gadd and John A. Raven (2010)
Eukaryote-Dominated Biofilms and Their Significance in Acidic Environments
Sandra S. Brake & Stephen T. Hasiotis (2010)
Bacterial and fungal geomicrobiology: a problem with communities?
G. M. GADD (2008)

Geomycology: biogeochemical transformations of rocks, minerals, metals and radionuclides by fungi, bioweathering and bioremediation

Geoffrey M. Gadd (2007)

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Author Title
Hallegraeff G1, Coman F, Davies C, Hayashi A, McLeod D, Slotwinski A, Whittock L, Richardson AJ. Australian Dust Storm Associated with Extensive Aspergillus sydowii Fungal "Bloom" in Coastal Waters.
Isabella Grishkan, Eviatar Nevo, Solomon P Wasser Micromycetes from the Saline Arubotaim Cave: Mount Sedom, The Dead Sea Southwestern Shore, Israel
Sergio Álvarez-Pérez, José L. Blanco, Patricia Alba, Marta E. García Fungal growth in culture media simulating an extreme environment
Pandya, U and Saraf, M Application of Fungi as a Biocontrol Agent and their Biofertilizer Potential in Agriculture
Lal Bihari Sukla, Rabi Narayan Kar & Vinita Panchanadikar Leaching of copper converter slag with Aspergillus niger culture filtrate


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