Spanish Society of Microbiology
David and Goliath
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Published on 03/08/2026
Título: David and Goliath
Author: Víctor Jiménez Cid
Dept. Microbiology II, Faculty of Pharmacy. Complutense University of Madrid. 28040-Madrid, Spain
Descripción: The spread of a large bacterial colony is arrested by a smaller colony, displaying and antibiotic effect similar to the one that led Alexander Fleming to the discovery of penicillin. Macrophotography of bacterial colonies on TSA 10% agar from a randomly spread soil sample taken at an urban park. The picture was shot after one week of incubation at room temperature.
