propionibacterium

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Noun === propionibacterium (plural propionibacteria) Any of various saprophytic gram-positive bacteria, of the genus Propionibacterium, that occur in milk and in the intestines, some of which are pathogenic, but others of which produce the holes in Swiss cheese ==== Derived terms ==== propionibacterial === References === Propionibacterium on Wikipedia.Wikipedia Propionibacterium on Wikispecies.Wikispecies Category:Propionibacterium on Wikimedia Commons.Wikimedia Commons