TWiM reveals high rates of co-transformation of plasmids in E. coli overturns the clonality myth, and bacterial membrane vesicles as a novel strategy for extrusion of the antimicrobial bismuth in H. pylori. Hosts: Vincent Racaniello, Michael Schmidt, and Petra Levin Links for this episode The myth of clonality (Sci Rep) Bacterial membrane vesicles extrude bismuth (mBio) Gastric acid levels must decrease (World J Gastroenterol) Take the TWiM Listener survey! Become a patron of TWiM. Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv