In 1928, he was straightening up a pile of Petri dishes where he had been growing ... not too unusual, but all around the mold, the staph bacteria had been killed... very unusual.

This approach avoids the use of laboratory animals", explains microbiologist Dr. Sabine Gronow, head of the Pathogenic Bacteria working group at the Leibniz Institute DSMZ. "However, cultivating ...

Creating a colony-forming unit commonly starts with adding around 15 ml of molten agar to around 1 ml of bacterial culture in a lidded petri dish ... including mold, bacteria, and fungi, can ...