Research led by Kaja Skubała found that certain lichen species, specifically Diploschistes muscorum and Cetrarea aculeata, maintained active metabolism in simulated Mars conditions. The study suggests that lichens' unique adaptations, including low metabolism and radiation protection, could allow them to withstand Mars' harsh environment. Notably, their fungal components showed resilience to Martian ionizing radiation, indicating a potential for habitability. This study enhances our understanding of life’s adaptability under extreme conditions, possibly informing future Mars exploration and the search for extraterrestrial life.
Our study is the first to demonstrate that the metabolism of the fungal partner in lichen symbiosis was active while being in a Mars-like environment.
Martian ionizing radiation is threatening to most forms of life because it can cause damage at the cellular level.
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