The tetracoccal TWiM team visits Tardigrades on the Moon, and the twelve year quest to isolate an archaeon that provides insights into the emergence of the first eukaryotic cell.
On episode #21 of the podcast This Week in Microbiology, Vincent and Elio discuss an ancient symbiosis between Alphaproteobacteria and catenulid flatworms, and a toxin from Helicobacter pylori that engages the mitochondrial fission machinery to induce host cell death.