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Search resuls for: "PLOS Genetics"


3 mentions found


At a time when the mighty woolly mammoth roamed the Earth, some 46,000 years ago, a minuscule pair of roundworms became encased in the Siberian permafrost. Millenia later, the worms, thawed out of the ice, would wriggle again, and demonstrate to scientists that life could be paused — almost indefinitely. The discovery, published this week in the peer-reviewed journal PLOS Genetics, offers new insight into how the worms, also known as nematodes, can survive in extreme conditions for extraordinarily long periods of time, in this case tens of thousands of years. In 2018, Anastasia Shatilovich, a scientist from the Institute of Physicochemical and Biological Problems in Soil Science RAS in Russia, thawed two female worms from a fossilized burrow dug by gophers in the Arctic.
Persons: wriggle, Anastasia Shatilovich Organizations: PLOS Genetics, Institute of Physicochemical, gophers Locations: Russia
Scientists revived a 46,000-year-old worm that was living in Siberian permafrost. When they brought it back to life, the worm started having babies. When they revived it, the worm started having babies via a process called parthenogenesis, which doesn't require a mate. According to a press release, the worm spent thousands of years in a type of dormancy called cryptobiosis. This new species, however, called Panagrolaimus kolymaensis, was dormant for tens of thousands of years longer.
Persons: Plectus, Holly Bik, William Crow, Crow Organizations: Service, Privacy, Scientists, Washington Post, University of Hawaiʻi, PLOS Genetics, University of Florida Locations: Wall, Silicon, Mānoa, tundras
CNN —Scientists have revived a worm that was frozen 46,000 years ago — at a time when woolly mammoths, sabre-toothed tigers and giant elks still roamed the Earth. This a major finding,” he said, adding that other organisms previously revived from this state had survived for decades rather than millennia. Five years ago, scientists from the Institute of Physicochemical and Biological Problems in Soil Science in Russia found two roundworm species in the Siberian permafrost. The worm was found in the Siberian permafrost. But still, they didn’t know whether the worm was a known species.
Persons: Teymuras Kurzchalia, Kurzchalia, , Anastasia Shatilovich, Panagrolaimus kolymaenis, kolymaenis, , Philipp Schiffer, Schiffer Organizations: CNN —, elks, Max Planck, Molecular Cell Biology, Institute of Physicochemical, PLOS Genetics, of Zoology, University of Cologne, CNN Locations: Dresden, Science, Russia, Germany, Cologne
Total: 3