Vamshidhar Gade and Anastasia Shatilovich A collage made by two of the study's authors shows the permafrost sample where the nematode survived for 46,000 years, and a close-up of the microscopic nematode itself. One Antarctic species spent over 25 years in frozen moss before resuscitation, the previous longest record of cryptobiosis recorded for a nematode. Scientists had known that some could survive long periods of suspended animation in subzero environments. Nematodes are among the planet's most ubiquitous life forms. The most stunning part of the discovery was the length of time the worm had endured cryptobiosis, said Philipp Schiffer, one of the study's authors and a group leader at the Institute of Zoology at the University of Cologne in Germany. The finding was detailed in a recent study published in the journal PLOS Genetics. The worm, a previously unknown species of nematode, survived after entering a dormant state known as cryptobiosis, during which the animal doesn't eat and lacks a metabolism. Scientists have discovered a worm that managed to stretch its short life expectancy - by tens of thousands of years.Ī tiny roundworm was revived after it was frozen in Siberian permafrost 46,000 years ago, when Neanderthals still walked the Earth.
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