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… change with the seasons. The Science Light-harvesting bacteria (phototrophs) in Antarctica’s Ace Lake defy the … to archaea when sunlight becomes scant, Ace Lake’s bacteria instead go through a boom and bust cycle aligned … is covered in thick ice, with a combination of marine and freshwater below. This stratified mixture holds oxygenated …

… still unknown.  “We took a deep dive into over 1.8 million bacterial and archaeal genomes to see how much of their … Natalia Ivanova conducted a census of publicly available bacterial and archaeal sequences. Kyrpides heads the JGI’s … MAGs significantly expanded the estimated diversity of Bacteria and Archaea With phylogenetic diversity standing in …

… that viruses play in their ecosystems, particularly in freshwater ecosystems. …