How microbes went nuclear We try to figure out how eukaryotes, which include everything from single cells to the blue whale, got their nucleus. Join us on patreon.com/thelabwithbrad for extra special extra stuff! Here’s an article about how the nucleus might have originally been a virus. Medusavirus Ancestor in a Proto-Eukaryotic Cell Here’s something on the inside out theory of the nucleus. An inside-out origin for the eukaryotic cell Here’s a bit about how the nucleus might have been an archaea that climb inside another archaea. Archaeal Origins of Eukaryotic Cell and Nucleus Here’s another article about the viral origin of the nucleus. Did Viruses Create the Nucleus? The Answer May Be Near. And here’s a bit about the giant viruses. Giant Viruses With Arms and Other Appendages Found In US Forest