Mutated Strains of Unknown Drug-Resistant Bacteria Found Lurking on ISS

The International Space Station is home to crews of astronauts conducting research in low Earth orbit, but it also hosts a group of mutated bacteria that are thriving under the harsh conditions of space. A group of researchers took a closer look at bacterial strains on board the ISS and found that they had mutated to a different form that’s genetically and functionally distinct from their Earthly counterparts.

As a result, the microorganisms have to adapt in order to survive. The researchers behind the new study focused Enterobacter bugandensis, isolating 13 strains of the bacterial species from the ISS for analysis. E. bugandensis is associated with the human gastrointestinal tract, and the species is known to be highly adaptable and can take advantage of unusual conditions to infect a host. The bacterium has been linked to severe clinical infections, namely neonatal sepsis .

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