Microorganisms break down petroleum components in the seabed

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Archaea cultivated in the laboratory are active even at high temperatures and without oxygen

In the spotlight of the U.S. deep-sea submersible ALVIN, a small reddish-brown v
In the spotlight of the U.S. deep-sea submersible ALVIN, a small reddish-brown vent massif can be seen on the seafloor of the Guaymas Basin. This formation is surrounded by abundant hydrothermally heated oil-rich sediments covered by white and orange bacterial mats. The core from which the Candidatus Alkanophaga archaea ultimately originated was collected by the team of the manned deep-sea submersible. Woods Hole Oceanographic Institution

The seafloor is home to around one-third of all the microorganisms on the Earth and is inhabited even at a depth of several kilometers. Only when it becomes too hot does the abundance of microorganisms appear to decline. ...

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