Arctic micro-animal survives 24,000 years in Siberian permafrost
A microscopic animal called a bdelloid rotifer came back to life after being frozen for 24,000 years in Siberia and then successfully made clones of itself, Russian scientists said Monday.
Stas Malavin, who co-authored a paper in the journal Current Biology on the development, told AFP the finding raised intriguing questions about what mechanisms the multicellular animal used to endure its long rest.
Our report is the hardest proof as of today that multicellular animals could withstand tens of thousands of years in cryptobiosis, the state of almost completely arrested metabolism, said Malavin, of the Institute of Physicochemical and Biological Problems in Soil Science in Pushchino, Russia.
The research team used a drilling rig to collect core samples from Alazeya River in the Russian arctic then used radiocarbon dating to determine that the age of the specimen was between 23,960 to 24,485 years old.
They had previously identified single-celled microbes capable of similar feats.
In terms of multicellular organisms, there has been a report of a 30,000-year-old nematode worm coming back to life, and mosses and some plants also have been regenerated after many thousands of years trapped in the ice.
Rotifers can now be added to the list of organisms that can survive seemingly indefinitely, said Malavin.
Once thawed, the animal was able to reproduce asexually using a process called parthenogenesis.
Rotifers measure about half a millimeter in length and generally live in freshwater environments.
Their name is derived from the Latin for wheel bearer, which comes from the corona around their mouths that look like turning wheels. They use these to move and to feed.
We can use this organism as a model to study freezing survival and drying survival in this group, and compare this group to other tough animals like tardigrades, nematodes and so on, added Malavin.
(2021/06/08 14:01)Click Here for Japanese Translation
AFP-JIJI PRESS NEWS JOURNAL
- 06/14 12:23 How an Albanian arms dump transformed into 'Fish City'
- 06/14 12:19 Hunting for mini artworks on New York's streets
- 06/14 12:16 Retro milk float brings Londoners zero-plastic groceries
- 06/14 12:12 Swimming Australia to investigate misogyny claims after Groves complaint
- 06/14 12:07 Moscow announces 'non-working week' as virus surges
- 06/14 12:04 Iraqis find escape, success on a virtual battleground
- 06/11 20:40 Child labour swells for first time in two decades-- UN
- 06/11 20:38 Argentine president forced to apologize for 'jungle' comment
- 06/11 20:33 Montenegro learns true cost of China-backed $1 bn road to nowhere
- 06/11 20:28 'Misogynistic perverts'-- Aussie star pulls out of Olympic swim trials
- 06/11 20:24 US image abroad has improved with Biden election-- Pew survey
- 06/11 15:09 Jill Biden brings LOVE from America
- 06/10 11:54 Police bust drive-through cocaine service at Rome cemetery
- 06/10 11:51 Deadline looms for French pig farmers on castration choice
- 06/10 11:46 Chile inaugurates Latin America's first thermosolar plant
- 06/10 11:40 'World's leading bank robbers'-- North Korea's hacker army
- 06/10 11:23 Elephants in India tested for coronavirus after rare lion's death
- 06/10 11:19 McDonald's BTS-meal frenzy sparks virus closures in Indonesia
- 06/09 14:36 Damien Hirst steps in among Rome's famed Berninis
- 06/09 13:02 US gold coin sells for record $18.87 mn at Sotheby's auction
- 06/09 12:30 Glory Days-- Springsteen to return to Broadway in June, vaccines required
- 06/09 12:26 Pandemic shakes up rankings of world's most liveable cities
- 06/09 12:19 Australia's largest dinosaur identified as new species
- 06/09 12:12 Heavy sleepers-- elephants on epic trek take nap
- 06/08 14:05 Hungarians protest PM Orban's Chinese university plan
- 06/08 14:01 Arctic micro-animal survives 24,000 years in Siberian permafrost
- 06/08 13:57 Everest hopefuls 'camp' at home to avoid Covid-19 in Nepal
- 06/08 13:46 Bruce Lee, life of hardship inspire refugee's Tokyo Olympics dream
- 06/08 13:41 Yemen fuel tanker could 'explode at any moment'-- Greenpeace
- 06/08 13:37 Bomb-sniffing rat retires after award-winning Cambodian career
- 06/07 11:49 Passenger tries to break into cockpit on US flight
- 06/07 11:46 'Sea snot' on Turkey's shores alarms residents
- 06/07 11:43 Welcome to the jungle-- Myanmar rebels teach coup protesters to make war
- 06/07 11:38 El Salvador's Bukele to propose making bitcoin legal tender
- 06/07 11:33 Drought-hit California scales up plan to truck salmon to ocean
- 06/07 11:31 Undammed, undimmed-- The battle over a unique European river