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Microbes deep beneath seafloor survive on byproducts of radioactive process -- Science & Technology -- Sott.net


© Justine Sauvage
Marine sediment samples used in the irradiation experiments.A team of researchers from the University of Rhode Island s Graduate School of Oceanography and their collaborators have revealed that the abundant microbes living in ancient sediment below the seafloor are sustained primarily by chemicals created by the natural irradiation of water molecules.
The team discovered that the creation of these chemicals is amplified significantly by minerals in marine sediment. In contrast to the conventional view that life in sediment is fueled by products of photosynthesis, an ecosystem fueled by irradiation of water begins just meters below the seafloor in much of the open ocean. This radiation-fueled world is one of Earth s volumetrically largest ecosystems. ....

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One of the largest ecosystems on Earth lives beneath the seafloor and eats radiation byproducts


One of the largest ecosystems on Earth lives beneath the seafloor and eats radiation byproducts
That s pretty metal!
Researchers at the University of Rhode Island’s (URI) Graduate School of Oceanography report that a whole ecosystem of microbes below the sea dines not on sunlight, but on chemicals produced by the natural irradiation of water molecules.
Image credits Ely Penner.
Whole bacterial communities living beneath the sea floor rely on a very curious food source: hydrogen released by irradiated water. This process takes place due to water molecules being exposed to natural radiation, and feeds microbes living just a few meters below the bottom of the open ocean. Far from being a niche feeding strategy, however, the team notes that this radiation-fueled feeding supports one of our planet’s largest ecosystems by volume. ....

Rhode Island , United States , University Of Rhode Island , Arthur Spivack , Ely Penner , Justine Sauvage , Steven Dhondt , Nature Communications , University Of Gothenburg , Ocean Drilling Program , School Of Oceanography , Rhode Island Nuclear Science Center , Graduate School , Stevend Hondt , Rhode Island Nuclear Science , Atlantic Oceans , Integrated Ocean Drilling Program , ரோட் தீவு , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் ரோட் தீவு , ஜஸ்டின் ஸாவேஜ் , ஸ்டீவன் தொன்டுட் , இயற்கை தகவல்தொடர்புகள் , பல்கலைக்கழகம் ஆஃப் கோடெந்ப்ர்க் , கடல் துளையிடுதல் ப்ரோக்ர்யாம் , பள்ளி ஆஃப் கடல்சார்வியல் ,

URI researchers: Microbes deep beneath seafloor survive on byproducts of radioactive process


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Credit: Photo courtesy Justine Sauvage
NARRAGANSETT, R.I. - February 26, 2021 - A team of researchers from the University of Rhode Island s Graduate School of Oceanography and their collaborators have revealed that the abundant microbes living in ancient sediment below the seafloor are sustained primarily by chemicals created by the natural irradiation of water molecules.
The team discovered that the creation of these chemicals is amplified significantly by minerals in marine sediment. In contrast to the conventional view that life in sediment is fueled by products of photosynthesis, an ecosystem fueled by irradiation of water begins just meters below the seafloor in much of the open ocean. This radiation-fueled world is one of Earth s volumetrically largest ecosystems. ....

Rhode Island , United States , University Of Rhode Island , Arthur Spivack , Justine Sauvage , Steven Dhondt , Nature Communications , Dark Energy Biosphere Investigations , Space Administration , Ocean Drilling Program , University Of Gothenburg , Rhode Island Nuclear Science Center , Us National Aeronautics , Us National Science Foundation , Graduate School , Rhode Island Nuclear Science , Atlantic Oceans , Integrated Ocean Drilling Program , Perseverance Rover , Science Foundation , Dark Energy Biosphere , Energy Fuel Non Petroleum , Earth Science , Energy Sources , Geophysics Gravity , Hydrology Water Resources ,

University Of Rhode Island: URI Researchers: Microbes Deep Beneath Seafloor Survive On Byproducts Of Radioactive Process