Interdisciplinary

How the ‘fire amoeba’ withstands temperatures that would kill most complex life

How the science connects

ExtremophilesProtein stabilityThermophily

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Incendiamoeba cascadensis, known as the "fire amoeba," survives in extreme heat environments like volcanic lakes through a protective mechanism involving a static blanket that shields its proteins from thermal damage. This adaptation allows the organism to withstand temperatures that would denature proteins and kill most other complex life forms. The discovery reveals a novel heat-resistance strategy in eukaryotic organisms.


Understanding how this amoeba protects its proteins from heat could inform the development of heat-stable enzymes for industrial processes and biotechnology applications. The findings may also expand our understanding of the limits of life in extreme environments and potential biosignatures for life on other planets.


Incendiamoeba cascadensis may survive in volcanic lakes thanks to a static blanket that shields its proteins from the heat

Source: How the ‘fire amoeba’ withstands temperatures that would kill most complex life