Petri dish culture of bacterium Escherichia coli
Numéro d’image : 11864209
| Petri dish culture of the bacterium Escherichia coli,a well used laboratory organism,growing on L medium. The picture shows the pattern of streaking used to isolate single colonies. Parallel lines are drawn across the culture using a platinum wire loop as seen here. These lines are crossed and recrossed at different angles,diluting the culture until colonies originally formed around a single bacterium are isolated. The small blobs in the foreground are single colonies. Streaking is an essential technique for isolating particular strains or mutant bacteria in mixed cultures | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 4796 px × 3720 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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