Terraforming & Geoengineering

Engineering Microbial Symbiosis for Mars Habitability

By Keith Cowing
Status Report
astro-ph.EP
April 1, 2025
Filed under , , , , , ,
Engineering Microbial Symbiosis for Mars Habitability
Microbiology inside a human base on the surface of Mars — Grok via Astrobiology.com

The colonization of Mars presents extraordinary challenges, including radiation exposure, low atmospheric pressure, and toxic regolith.

Recent advancements in synthetic biology and genetic engineering offer unprecedented opportunities to address these obstacles by utilizing terrestrial extremophiles and engineered organisms.

This paper examines the potential for creating symbiotic relationships between terrestrial microbes and hypothetical Martian life forms, should they exist, to support a sustainable human presence on Mars. Inspired by natural examples of endosymbiosis, such as mitochondria and chloroplasts, we propose methods to engineer life forms capable of enduring Martian conditions.

Key components include experimental designs, laboratory simulations, and bioengineering approaches essential to this endeavor. The ethical, political, and technological challenges of introducing engineered life to Mars are critically evaluated, with an emphasis on international collaboration and robust planetary protection policies.

This research underscores engineered symbiosis as a transformative strategy for enabling life to adapt and thrive on Mars while advancing humanity’s aspirations for interplanetary habitation and exploration.

By addressing these challenges, this work highlights a path toward sustainable life on Mars, reflecting both scientific ingenuity and ethical stewardship.

Randall R. Correll, Simon P. Worden

Comments: 25 pages, 1 figure
Subjects: Earth and Planetary Astrophysics (astro-ph.EP); Machine Learning (cs.LG)
Cite as: arXiv:2503.23015 [astro-ph.EP] (or arXiv:2503.23015v1 [astro-ph.EP] for this version)
https://doi.org/10.48550/arXiv.2503.23015
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Submission history
From: Randall Correll
[v1] Sat, 29 Mar 2025 08:44:42 UTC (874 KB)
https://arxiv.org/abs/2503.23015
Astrobiology,

Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻