Biomining of lunar regolith simulant EAC-1 A with the fungus Penicillium simplicissimum

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Vydáno v:Fungal Biology and Biotechnology vol. 12 (2025), p. 1
Hlavní autor: Figueira, João
Další autoři: Koch, Stella, Müller, Daniel W, Slawik, Sebastian, Cowley, Aidan, Moeller, Ralf, Cortesão, Marta
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Springer Nature B.V.
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022 |a 2054-3085 
024 7 |a 10.1186/s40694-025-00201-z  |2 doi 
035 |a 3216563947 
045 2 |b d20250101  |b d20251231 
084 |a 265138  |2 nlm 
100 1 |a Figueira, João 
245 1 |a Biomining of lunar regolith simulant EAC-1 A with the fungus <i>Penicillium simplicissimum</i> 
260 |b Springer Nature B.V.  |c 2025 
513 |a Journal Article 
520 3 |a BackgroundOn a future lunar habitat, acquiring needed resources in situ will inevitably come from the Lunar regolith. Biomining, i.e. the use of microorganisms to extract metals from the regolith, is sustainable and energy-efficient, making it highly promising for space exploration applications. Given the extensive use of filamentous fungi in industrial biotechnology, we investigated the ability of the fungus Penicillium simplicissimum to extract metals from the European Astronaut Centre lunar regolith simulant 1 (EAC-1 A), which will be used as the analogue soil at the European Lunar Exploration Laboratory (LUNA) facility at the European Space Agency (ESA) and German Aerospace Centre (DLR) site.ResultsBiocompatibility tests demonstrated P. simplicissimum tolerance to high concentrations of EAC-1 A lunar regolith simulant (up to 60%), both on Earth gravity and Lunar simulated gravity via clinorotation. We reveal that a fungal bioleaching setup using low nutrient medium (20% PDB) enables P. simplicissimum to extract metals from EAC-1 A regolith over the course of 2 weeks at room temperature. Inductively coupled plasma mass spectrometry (ICP-MS) analysis of the leachate revealed the extraction of magnesium (up to 159 mg/L), calcium (151 mg/L), iron (68 mg/L), aluminium (32 mg/L), manganese (3 mg/L) as well as traces of titanium (0.02 mg/L). The recovered metal oxide powder from the leachate, obtained via centrifugation (14,500 g, 4,000 rpm), followed by filtration (0.22 μm) and drying at 60 °C overnight, achieved a promising average of 10 ± 3 g/L. Further analysis via SEM/EDS and XRD confirmed the presence of aluminium [as boehmite (AlO(OH))], magnesium, and iron [possibly as haematite (Fe2O3)] and magnetite [possibly as (Fe3O4)].ConclusionOur study demonstrates successful fungal biomining of lunar regolith simulant EAC-1 A and emphasizes the utilization of fungal-based approaches as promising ISRU technologies in future space exploration missions. 
610 4 |a International Space Station 
651 4 |a Germany 
653 |a Magnetite 
653 |a Mass spectrometry 
653 |a Fungi 
653 |a Magnesium 
653 |a Bacterial leaching 
653 |a Acids 
653 |a Lunar soil 
653 |a Iron oxides 
653 |a Aluminum 
653 |a Biotechnology 
653 |a Regolith 
653 |a In situ leaching 
653 |a Mining 
653 |a Clinorotation 
653 |a Ferric oxide 
653 |a In situ resources utilization 
653 |a Leachates 
653 |a Mass spectroscopy 
653 |a Hematite 
653 |a Centrifugation 
653 |a Earth gravitation 
653 |a Biocompatibility 
653 |a Manganese 
653 |a Lunar exploration 
653 |a Metals 
653 |a Space exploration 
653 |a Metal oxides 
653 |a Inductively coupled plasma mass spectrometry 
653 |a Room temperature 
653 |a Lunar surface 
653 |a Space stations 
653 |a Moon 
653 |a European space programs 
653 |a Biomining 
653 |a Heavy metals 
653 |a Boehmite 
653 |a Microorganisms 
653 |a Enzymes 
653 |a Penicillium simplicissimum 
700 1 |a Koch, Stella 
700 1 |a Müller, Daniel W 
700 1 |a Slawik, Sebastian 
700 1 |a Cowley, Aidan 
700 1 |a Moeller, Ralf 
700 1 |a Cortesão, Marta 
773 0 |t Fungal Biology and Biotechnology  |g vol. 12 (2025), p. 1 
786 0 |d ProQuest  |t Engineering Database 
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