The TWiV hosts present two potentially seminal papers, on long-distance chemoattraction of a host by a chlorovirus, and replication of a nanovirus across multiple cells in a plant. Click arrow to play Download TWiV 539 (62 MB .mp3, 102 min) Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiV! Show notes at microbe.tv/twiv
On episode #271 of the science show This Week in Virology, the TWiV crew discusses two reports on viruses that might have crossed kingdoms, from plants to honeybees and from plants to vertebrates. You can find TWiV #271 at www.microbe.tv/twiv.
Viruses can be transmitted to completely new host species that they have not previously infected. Usually host defenses stop the infection before any replication and adaptation can take place. On rare occasions, a novel population of viruses arises in the new host. These interspecies infections can sometimes be deduced by sequence analyses, providing a glimpse …