MICROBE WITH BIZARRELY TINY GENOME MAY BE EVOLVING INTO A VIRUS

Summary from the TLDR newsletter

A newly discovered microbe known as Sukunaarchaeum isn't a virus, but it seemingly has just one purpose: to make more of itself. It appears to be a parasite that provides nothing to its hosts. Most of its genes are focused on replicating its own genome and it steals everything it needs from its host. The microbe's bizarre virus-like way of living challenges the boundaries between cellular life and viruses.