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NASA Scientists Concerned About Toilet Microbes on ISS

NASA Scientists Concerned About Toilet Microbes on ISS

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  24 Nov 2018 8:04 AM GMT

Washington: NASA is concerned over the strains of the bacterium Enterobacter, identified on the toilets of the International Space Station’s (ISS), which can raise potential health implications for future missions, say Indian-origin scientists at the US space agency. Five strains of ‘Enterobacter’ bacterium isolated from the space toilet and the exercise platform on the ISS in March 2015 were investigated in a study led by a team from NASA’s Jet Propulsion Laboratory (JPL) and California Institute of Technology (Caltech), US.

Genome sequencing of the samples revealed that all five strains belonged to a single species, Enterobacter bugandensis (E.bugandensis). While these were not pathogenic to humans, E.bugandensis was linked to disease in neonates and a compromised patient, who were admitted to three different hospitals (in east Africa, Washington state and Colorado), the researchers said. “Given the multi-drug resistance results for these ISS E.bugandensis genomes and the increased chance of pathogenicity we have identified, these species potentially pose important health considerations for future missions,” said lead author Nitin Singh from NASA-JPL Caltech. “However, it is important to understand that the strains found on the ISS were not virulent, which means they are not an active threat to human health, but something to be monitored,” he added. (IANS)

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