Red Sea brine pools reveal ancient microbial life signatures
Researchers found geochemical evidence of extinct and active microbial communities in Red Sea brine pools.
Active pools host extremophiles
Scientists discovered that underwater ponds at the bottom of the Red Sea support bacteria and archaea. These organisms thrive in dark, salty environments without oxygen. The active site located 1,770 meters below the surface was teeming with life.
Sediments show metal enrichment
Analysis of sediments revealed extremely high concentrations of metals like manganese and iron. Some areas contained levels up to 100 times higher than normal seafloor spots. These chemical signatures remain after the microbes have died.
Extinct pools identified by rings
A specific depression showed mineral rings indicating it once held a brine pool. This location was filled with dead marine organisms when researchers examined it. The study used genetic methods to characterize these ancient microbial communities.
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