Diffusion-controlled metabolism for long-term survival of single isolated microorganisms trapped within ice crystals.


Two known habitats for microbial metabolism in ice are surfaces of mineral grains and liquid veins along three-grain boundaries. We propose a third, more general, habitat in which a microbe frozen in ice can metabolize by redox reactions with dissolved small molecules such as CO(2), O(2), N(2), CO, and CH(4) diffusing through the ice lattice. We show that… (More)


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