Antarctic bacteria live on air and make their own water using hydrogen as fuel

antarctic bacteria live on air and make their own water using hydrogen as fuel

Sumary of Antarctic bacteria live on air and make their own water using hydrogen as fuel:

  • Melbourne, November 15 Humans have only recently begun to think about using hydrogen as a source of energy, but bacteria in Antarctica have been doing it for a billion years.
  • We studied 451 different kinds of bacteria from frozen soils in East Antarctica and found most of them live by using hydrogen from the air as a fuel.
  • Through genetic analysis, we also found these bacteria diverged from their cousins in other continents approximately a billion years ago.
  • These incredible microorganisms come from ice-free desert soils north of the Mackay Glacier in East Antarctica.
  • Hundreds of bacterial species and millions of cells can be found in a single gram of soil, making for a unique and diverse ecosystem.
  • A dependable alternative to photosynthesis We discovered more than a quarter of these Antarctic soil bacteria create an enzyme called RuBisCO, which is what lets plants use sunlight to capture carbon dioxide from air and convert it into biomass.
  • However, we found more than 99 per cent of the RuBisCO-containing bacteria were unable to capture sunlight.
  • Living on air Where do the bacteria find these energy-rich compounds?

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