Propionibacter shermani
Appearance
Propionibacter shermani is a form of bacteria used in the production of cheese. During cheese-making the bacteria is added to certain cheeses such as Swiss, Leerdammer and Emmental and when warmed bubbles of carbon dioxide form in the cheese. These bubbles then become the distinctive holes (or eyes) in the finished product.
List of Propionibacter shermani Cheeses