Germs on the International Space Station Just Like Those Back Home


FRIDAY, December 8, 2017 (HealthDay News) – Some things never change: scientists say the bacteria that circulate on the International Space Station are similar to those of homes on Earth.

That's the conclusion of researchers at the University of California, Davis, who badyzed the bacteria collected by astronauts.

"So, is it disgusting?" and will you see microbes from space? & # 39; they are probably the two most common questions we receive about this work, "said study co-author and microbiologist David Coil.

" As for the first, we are completely surrounded by almost harmless microbes on Earth, and we see a great community similarity. microbial on the International Space Station (ISS). So it's probably not more or less disgusting than your living room, "he said in a university press release.

Because the space station is completely closed, the microbes inside the station come from the people of the station and the supplies that were sent to them, explained Coil and his colleagues.

According to the study's lead author, Jenna Lang, "the microbiome on the surfaces of the ISS is very similar to the surfaces of its inhabitants, which is not surprising, given that they are the main source. "Lang was a former postdoctoral fellow at UC Davis.

" We were also pleased to see that the diversity was quite high, indicating that it did not look like a microbial community ". "sick", added Lang.

For the study, researchers highlighted some of the thousands of bacterial species found in 15 locations on the space station, comparing the results with previous studies that examined inaron bacteria in homes and human bodies.

The study was published online on December 5 in the journal PeerJ .

More information

The Society of Microbiology has more information about bacteria.

SOURCE: Press release from the University of California, Davis, December 5, 2017

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