Global genomic atlas uncovers new microorganisms
An international team led by the University of Zurich has unveiled the first global genomic atlas that reveals tremendous diversity of microscopic aquatic organisms in lakes and reservoirs worldwide. The study analyzed 3,400 DNA datasets from 362 sites across 28 countries and reconstructed approximately 20,000 genomes representing around 3,660 species. The findings indicate that biodiversity is much greater than current data suggest, with algae and tiny organisms existing at levels 6 to 20 times higher than recorded, while less than 5% of the genomes have been classified. This discovery is significant for developing faster and more accurate monitoring systems for early detection of toxic algae and pollution, thereby enhancing the protection of water sources that serve millions of people.
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