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The extraordinarily resistant bacterium Deinococcus radiodurans withstands harsh environmental conditions present in outer space. Deinococcus radiodurans was exposed for 1 year outside the International Space Station within Tanpopo orbital mission to investigate microbial survival and space travel.Oct 29, 2020
How long can Deinococcus radiodurans survive in space?
three years Now, new findings published today in Frontiers in Microbiology, based on that experiment on the International Space Station, show that the bacteria Deinococcus radiodurans can survive at least three years in space.
What can Deinococcus radiodurans survive?
Deinococcus radiodurans is an extremophilic bacterium and one of the most radiation-resistant organisms known. It can survive cold, dehydration, vacuum, and acid, and therefore is known as a polyextremophile. It has been listed as the world's toughest known bacterium in The Guinness Book Of World Records.
Can Deinococcus radiodurans survive on Mars?
"Deinococcus radiodurans beats most of the constraints for survival of life on Mars – radiation, cold, vacuum, dormancy, oxidative damage, and other factors," said Dr. Robert Richmond, a research biologist at NASA's Marshall Space Flight Center.
Can any bacteria survive in space?
And all that radiation would kill off all the germs, right? The truth may surprise you. In fact, it turns out that over 250 different species of bacteria and fungi can survive in outer space. Even more shocking, they actually thrive there.
Can a human survive in space?
"No human can survive this — death is likely in less than two minutes," Lehnhardt said. According to NASA's bioastronautics data book (opens in new tab), the vacuum of space would also pull air out of your lungs, causing you to suffocate within minutes.
Can any living thing survive in space?
Tardigrades are the first known animal to survive after exposure to outer space. In September 2007, dehydrated tardigrades were taken into low Earth orbit on the FOTON-M3 mission carrying the BIOPAN astrobiology payload.
Where can Deinococcus radiodurans live?
The bacterium seems to live everywhere and nowhere. It has been found in environments as diverse as elephant dung and granite in Antarctic dry valleys (the environment on Earth thought to most closely resemble Mars), but no one really knows what the microbe's natural habitat is.
Where is radiodurans found?
It can be found on every continent. It was even found growing on weathered granite in Antarctica! Even though this bacteria is rare, D. radiodurans widely distributed in the soil.
Can DNA survive in space?
DNA has survived spaceflights that have flown to space and returned to Earth. Scientists have confirmed that DNA is durable enough to survive the conditions of space and even withstand the extreme heat and pressures of entering the Earth's atmosphere.
