TWiM 61: The irony of probiotics

August 7, 2013


Hosts: Vincent RacanielloElio Schaechter and Michele Swanson.

Vincent, Elio, and Michele review how horizontal gene transfer from bacteria to an insect genome enables a tripartite nested mealybug symbiosis, and how probiotic bacteria work by competing for iron in the intestine.


Right click to download TWiM #61 (44 MB .mp3, 60 minutes).

Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.

Links for this episode:

Send your microbiology questions and comments to

Leave a Reply

Your email address will not be published. Required fields are marked *

One comment on “TWiM 61: The irony of probiotics