Microbial supplements for extraterrestrial environments :  Exploration of microbial food supplements to support human life on Mars

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Microbial supplements for extraterrestrial environments : Exploration of microbial food supplements to support human life on Mars

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Author(s): Gabriele Ellena ¹ ^, ² ^, , Rosa Santomartino ³ , Arianna Mazzoli ⁴ , Irina Spacova ² , Natalie Leys ¹ , Sarah Lebeer ² , Felice Mastroleo ¹

Publication date (Electronic preprint): 12 March 2024

Journal: ScienceOpen Posters

Publisher: ScienceOpen

Keywords: Space microbiology, Extraterrestial environments, Microbial supplements, Food supplements, Mars, In-Situ Resource Utilization , Extremophiles, Astrobiology, Space radiation, Space biotechnology

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Abstract

In 2025, the Artemis II marks the first crewed mission orbiting the Moon, with plans for subsequent missions landing astronauts near the lunar South Pole and NASA aims to reach Mars by the 2030s. The growing interest in space underscores the increasing importance of long-term human presence in space missions. Challenges such as human health and sustainable food preservation persist in establishing settlements on other planetary bodies. Space agencies are developing regenerative life support systems utilizing hydroponic cultivation of plants and microalgae, fueled by crew waste as fertilizers. While biological systems could sustain astronauts, the predominantly vegan diets lack essential micronutrients. To address this, integrating microbial-based food supplements into current bioregenerative systems is crucial for ensuring a balanced diet and maintaining the health of space explorers.

The aim of this project is to develop an alternative food system by growing microorganisms in space-related conditions and using their biomass, or products thereof, as food supplements for space travelers on long-duration space missions, e.g. to Mars. We select and study the impact of space conditions on microorganisms that can provide useful micronutrients for future space travelers, which cannot be fully provided by vegan diets. This will be done by selecting a range of candidate beneficial microorganisms. Various options are available, including Bacillus subtilis spp., which can produce riboflavin (vitamin B2) and whose spores have already been tested on Mars analog surfaces (Cortesão et al., 2019). Limosilactobacillus reuteri could be used as supplement of riboflavin (Spacova et al., 2022) and has previously been shown to increase its production of reuterin under simulated microgravity conditions (Senatore et al., 2020). In addition, the yeast Yarrowia lipolytica is a well-known producer of essential amino acids, PUFA, MUFA, and vitamin B complexes (Jach & Malm, 2022). Final strain selection will be based on (i) their ability and efficiency to produce micronutrients, (ii) their safety and health promoting (incl. Radiation protective) properties, (iii) their ability to survive and maintain production efficiency under extreme environments, including ionizing radiation and microgravity, and (iv) their compatibility with bio-based in situ resource utilization techniques (e.g., gas or mineral sources from Martian atmosphere or regolith through biomining) to increase loop-closure. The selected strains will be stored, revived and grown in simulated Martian conditions, to test their long-term stability and preservation as food supplement source. Through international collaborations, we will test these conditions using reduced-gravity simulators, space radiation analogs, and substrates based on lysed cells of bacteria previously grown on regolith simulants, such as Chroococcidopsis sp. (Billi et al., 2021), and Anabaena sp., which has already been used to grow Bacillus subtilis from its inactivated biomass (Verseux, 2018).

At the end of this 4-year PhD research project, the expected outcome is to improve the nutritional well-being of future space travelers settling on other planets, and also to generate innovative insights applicable to Earth-based fields such as biotechnology, radioprotection, and environmental science.

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Author and article information

Journal

Title: ScienceOpen Posters

Publisher: ScienceOpen

Publication date (Electronic preprint): 12 March 2024

Affiliations

[1 ] Microbiology Unit, Institute of Nuclear Medical Applications, Belgian Nuclear Research Center SCK CEN, Mol, Belgium;

[2 ] Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium;

[3 ] UK Centre for Astrobiology, School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3FD, UK;

[4 ] Università degli Studi di Napoli Federico II, Department of Biology, Complesso Universitario di Monte Sant'Angelo, Edificio 7, Via Cinthia, I-80126 Napoli, Italy;

Author notes

[* ]Email: felice.mastroleo@ 123456sckcen.be .

Author information

Gabriele Ellena https://orcid.org/0000-0003-3185-9902

Rosa Santomartino https://orcid.org/0000-0002-8399-7138

Arianna Mazzoli https://orcid.org/0000-0003-4096-443X

Irina Spacova https://orcid.org/0000-0003-0562-7489

Natalie Leys https://orcid.org/0000-0002-4556-5211

Sarah Lebeer https://orcid.org/0000-0002-9400-6918

Felice Mastroleo https://orcid.org/0000-0002-9815-8038

Article

DOI: 10.14293/P2199-8442.1.SOP-.PFDUFP.v1

SO-VID: f866a113-e59d-41f8-b57a-eb6ed6d39763

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This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .

History

Date received : 12 March 2024

Funding

Funded by: funder-id http://dx.doi.org/10.13039/501100003130, Fonds Wetenschappelijk Onderzoek;

References

Billi Daniela, Gallego Fernandez Beatriz, Fagliarone Claudia, Chiavarini Salvatore, Rothschild Lynn Justine. Exploiting a perchlorate-tolerant desert cyanobacterium to support bacterial growth for <i>in situ</i> resource utilization on Mars. International Journal of Astrobiology. Vol. 20(1):29–35. 2021. Cambridge University Press (CUP). [Cross Ref]
Cortesão Marta, Fuchs Felix M., Commichau Fabian M., Eichenberger Patrick, Schuerger Andrew C., Nicholson Wayne L., Setlow Peter, Moeller Ralf. Bacillus subtilis Spore Resistance to Simulated Mars Surface Conditions. Frontiers in Microbiology. Vol. 10:2019. Frontiers Media SA. [Cross Ref]
Jach Monika Elżbieta, Malm Anna. Yarrowia lipolytica as an Alternative and Valuable Source of Nutritional and Bioactive Compounds for Humans. Molecules. Vol. 27(7)2022. MDPI AG. [Cross Ref]
Senatore Giuliana, Mastroleo Felice, Leys Natalie, Mauriello Gianluigi. Growth of<i>Lactobacillus reuteri</i>DSM17938 Under Two Simulated Microgravity Systems: Changes in Reuterin Production, Gastrointestinal Passage Resistance, and Stress Genes Expression Response. Astrobiology. Vol. 20(1):1–14. 2020. Mary Ann Liebert Inc. [Cross Ref]
Spacova Irina, Ahannach Sarah, Breynaert Annelies, Erreygers Isabel, Wittouck Stijn, Bron Peter A., Van Beeck Wannes, Eilers Tom, Alloul Abbas, Blansaer Naïm, Vlaeminck Siegfried E., Hermans Nina, Lebeer Sarah. Spontaneous Riboflavin-Overproducing Limosilactobacillus reuteri for Biofortification of Fermented Foods. Frontiers in Nutrition. Vol. 9:2022. Frontiers Media SA. [Cross Ref]

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[1] Billi Daniela, Gallego Fernandez Beatriz, Fagliarone Claudia, Chiavarini Salvatore, Rothschild Lynn Justine. Exploiting a perchlorate-tolerant desert cyanobacterium to support bacterial growth for <i>in situ</i> resource utilization on Mars. International Journal of Astrobiology. Vol. 20(1):29–35. 2021. Cambridge University Press (CUP). [Cross Ref]

[2] Cortesão Marta, Fuchs Felix M., Commichau Fabian M., Eichenberger Patrick, Schuerger Andrew C., Nicholson Wayne L., Setlow Peter, Moeller Ralf. Bacillus subtilis Spore Resistance to Simulated Mars Surface Conditions. Frontiers in Microbiology. Vol. 10:2019. Frontiers Media SA. [Cross Ref]

[3] Jach Monika Elżbieta, Malm Anna. Yarrowia lipolytica as an Alternative and Valuable Source of Nutritional and Bioactive Compounds for Humans. Molecules. Vol. 27(7)2022. MDPI AG. [Cross Ref]

[4] Senatore Giuliana, Mastroleo Felice, Leys Natalie, Mauriello Gianluigi. Growth of<i>Lactobacillus reuteri</i>DSM17938 Under Two Simulated Microgravity Systems: Changes in Reuterin Production, Gastrointestinal Passage Resistance, and Stress Genes Expression Response. Astrobiology. Vol. 20(1):1–14. 2020. Mary Ann Liebert Inc. [Cross Ref]

[5] Spacova Irina, Ahannach Sarah, Breynaert Annelies, Erreygers Isabel, Wittouck Stijn, Bron Peter A., Van Beeck Wannes, Eilers Tom, Alloul Abbas, Blansaer Naïm, Vlaeminck Siegfried E., Hermans Nina, Lebeer Sarah. Spontaneous Riboflavin-Overproducing Limosilactobacillus reuteri for Biofortification of Fermented Foods. Frontiers in Nutrition. Vol. 9:2022. Frontiers Media SA. [Cross Ref]