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The Invisible World Half a Mile Under: Scientists Unveil Hidden Activity of Life Below Ground

The Invisible World Half a Mile Under: Scientists Unveil Hidden Activity of Life Below Ground
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Bethn-orcutt
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Unlocking the secrets of Earth's underground ecosystems

Los Angeles CA (SPX) Apr 03, 2024 - Scientists at the Bigelow Laboratory for Ocean Sciences have introduced a pioneering method to simultaneously measure and connect the genetics and functionality of microbes thriving in Earth s oxyge

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Living fossil discovered below Earth's surface

A microbe that feeds on radioactivity has been at an evolutionary standstill for up to 175 million years, researchers say.

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Eric-becraft
Candidatus-desulforudis
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University-of-northern-alabama
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Bigelow-laboratory
Ocean-sciences

These Bizarre Underground Microbes Haven't Evolved For 175 Million Years

These Bizarre Underground Microbes Haven t Evolved For 175 Million Years ScienceAlert 2 hrs ago © Chivian et al., Science, 2008 Rod-shaped CDA. A bacterium that dwells deep underground, living off chemical reactions triggered by radioactive decay, has been doing so unchanged for millions of years, new research has found. A genetic analysis of microbes of the species Candidatus Desulforudis audaxviator (CDA) collected from three different continents has revealed that the bacterium has barely evolved since they were last together on the same land mass, Pangaea. That means they have been in what scientists call evolutionary stasis for at least 175 million years, making CDA the only known subterranean living microbial fossil. This could have important implications for our understanding of microbial evolution.

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Eric-becraft
Candidatus-desulforudis
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University-of-north-alabama
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Bigelow-laboratory
Ocean-sciences
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