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
Bhattacharya, S., John, P. J., Ledwani, L. Fungal weathering of asbestos in semi arid regions of India
Saraiva NN, Rodrigues BS, Jimenez PC, Guimarães LA, Torres MC, Rodrigues-Filho E, Pfenning LH, Abreu LM, Mafezoli J, de Mattos MC, Costa-Lotufo LV, de Oliveira MD. Cytotoxic compounds from the marine-derived fungus Aspergillus sp. recovered from the sediments of the Brazilian coast.
John W. Taylor1 & Mary L. Berbee Dating divergences in the Fungal Tree of Life: review and new analyses
Thomas N. Taylor2,5, Edith L. Taylor2, Anne-Laure Decombeix2, Andrew Schwendemann2, Rudolph Serbet2, Ignacio Escapa2,3 and Michael Krings2,4 The enigmatic Devonian fossil Prototaxites is not a rolled-up liverwort mat: Comment on the paper by Graham et al. (AJB 97: 268–275)1
RUDOLF SCHMID Septal Pores in Prototaxites, an Enigmatic Devonian Plant


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