Mineral transformations and biogeochemical cycles: a geomycological perspective

TL;DRAbstract

Rocks and minerals represent a vast reservoir of elements, many of them are essential to life. Bulk biological metals, such as Na, K, Mg and Ca, are among the eight most abundant elements in the Earth's crust and together make up 11.06% of crustal rock (Fraústo da Silva & Williams, 1993; Gadd, 2004). Rocks and minerals also include essential metals (e.g. Mn, Mo, Fe, Co, Ni, Cu, Zn) and, crucial for microbial and plant growth, phosphorus. Many elements have essential functional potential for the synthesis of biological macromolecules and energy capture (e.g. C, N, H, O, P, S), for the transmission of information (e.g. Na, K, Ca), for catalysis (e.g. Fe, Cu, Zn, Mo), for transfer of electrons (e.g. Fe), and for building solid structures (e.g. Ca, P, Si) (Fraústo da Silva & Williams, 1993). All these elements must be released into bioavailable forms that can be assimilated by the biota. Their release occurs via weathering of rock substrates and their mineral constituents through p

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