The TWiVsters reveal new giant viruses that argue against a fourth domain of life, and discovery of viruses in the oceanic basement. You can find TWiV #437 at microbe.tv/twiv, or listen below. Click arrow to play Download TWiV 437 (63 MB .mp3, 104 min) Subscribe (free): iTunes, RSS, email Become a patron of TWiV!
fourth domain of life
When giant viruses were discovered – with genomes much larger than any previously seen – some suggested that they had descended from a fourth domain of life (the current three are bacteria, archaea, and eukaryotes). Part of the reason for such a claim was the finding of homologs of bacterial and eukaryotic genes, including molecules involved …
On episode #261 of the science show This Week in Virology, Vincent meets up with Chantal and Jean-Michel at the first International Symposium on Giant Virus Biology in Tegernsee, Germany, to discuss their work on Mimivirus, Megavirus, and Pandoravirus. You can find TWiV #261 at www.microbe.tv/twiv.