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NASA acidentally discovers super bacteria that could survive on Mars

NASA acidentally discovers super bacteria that could survive on Mars

Time of India25-05-2025
In a surprising discovery, NASA scientists found 26 new bacterial species in a JPL clean room, raising concerns about planetary contamination. These resilient microbes, resistant to radiation and toxins, evolved despite rigorous sterilization. While posing a threat to space missions, their unique survival traits could lead to advancements in medicine, food preservation, and biotechnology.
According to the study, published in journal Microbiome, the microbes evolved to resist the clean room's repeated sterilization efforts. They boast powerful DNA repair systems, fast metabolism, and the ability to neutralize toxins.
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More Than a Space Threat: Earthly Benefits Too
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Could They Survive on Mars?
In an unexpected twist, NASA scientists have discovered 26 previously unknown species of bacteria—right inside one of the cleanest places on Earth. The find, made at NASA's Jet Propulsion Laboratory (JPL), reveals that some microbes are not only resilient but may even be capable of surviving the extreme conditions of Mars The bacteria were found in a highly sterilized clean room at JPL, where the Phoenix spacecraft was assembled in 2007. Designed to be virtually free of life to prevent contaminating other planets, the lab instead harbored 215 bacterial strains. Among them, scientists identified 53 strains that belonged to 26 never-before-seen species.Some bacteria were already present before the spacecraft arrived. Others appeared during its construction and testing. Despite rigorous sterilization procedures, including exposure to toxic chemicals and radiation, these microbes didn't just survive—they adapted.'This is a serious concern for planetary protection ,' microbiologist Alexandre Rosado was quoted as saying by the Dailygalaxy. He noted that such organisms could accidentally hitch a ride to other worlds, potentially interfering with life-detection missions.These newly discovered microbes possess traits typically found in Earth's most extreme environments. They showed high resistance to radiation, toxic substances, and disinfection chemicals—features that echo extremophiles like those living in deep-sea vents or Antarctica.According to the study, published in journal Microbiome, the microbes evolved to resist the clean room's repeated sterilization efforts. They boast powerful DNA repair systems, fast metabolism, and the ability to neutralize toxins. As co-author Junia Schultz from King Abdullah University of Science and Technology (KAUST) put it, 'They're true survivalists.'While their resilience raises concerns about planetary contamination, these bacteria could offer breakthroughs here on Earth.Scientists believe the same genes that help them endure harsh conditions could aid in developing:This accidental discovery also reinforces the need for more stringent cleanliness standards in space missions. NASA has already begun reviewing protocols to minimize the risk of microbial contamination during future interplanetary explorations.The big question: Could these bacteria survive off Earth?While that's still being studied, their durability certainly raises the possibility. If Earth microbes are accidentally introduced to Mars or another planet, they could interfere with life-detection missions or be mistaken for alien life . They could outcompete native organisms—if any exist in the alien planets.NASA has previously conducted experiments on how microbes handle near-space environments, and this new research adds a powerful data point to that growing body of knowledge.As scientists continue to push the boundaries of space and life sciences, these rogue bacteria may turn out to be unlikely pioneers—showing us both the strength of life on Earth and the care needed when searching for it elsewhere.
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