The TWiM team describe the involvement of a microbiome in snail metamorphosis, and using Listeria to kill tumors. Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson. Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Get the entire ASM Podcast Network via our Microbeworld app. Become a Patron of TWiM! Links for this episode Infectious diseases after Florence (Med Inf Dis) Cryptic niche switching in gastropod (Proc Roy Soc B) Metamorphosis then no eating (NY Times) Listeria promotes tumor rejection (PNAS) Image credit LADD pathway (jpg) LADD (Aduro Biotech) Crawling cells and comet tails (YouTube) Letters read on TWiM 168 Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comments to twim@microbe.tv