ArticlePNAS nexus2026
Extremophile survives the transient pressures associated with impact-induced ejection from Mars.
Article in PNAS nexus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Large-scale impacts are ubiquitous in the solar system, and the likelihood of survival of organisms after an impact event plays a key role in planetary protection, the search for extraterrestrial life, and the assessment of the panspermia hypothesis. Impacts generate very high stresses for short times, resulting in extreme pressures and high rates of loading. Can microorganisms survive such extreme conditions? Directly assessing the resilience of microorganisms subjected to impact stresses has been difficult because of challenges in experimental design for these extreme conditions, together with the choices of biological model system. Here, we describe an experimental approach that allows us to subject microorganisms to controlled extreme pressures for short times, recover these impacted microorganisms, and then assess their rates of survival, structural damage, and their molecular response to these extreme events. We focused on
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