Experiment with Antbiotic Resistant (Green) and Susceptible (Black) Bacteria (VIDEO)

University of Groningen

Caption

We see Staphylococci bacteria, which have been labelled with a green fluorescent protein, expressing a resistance gene for the antibiotic chloramphenicol. Next to them are black Streptococcus pneumoniae bacteria that do not have the resistance gene. In a medium containing the antibiotic, the green cells begin to grow and divide whereas the non-resistant black cells don't. After a time, individual black cells begin to divide and they even outgrow their green companions.

Credit

Sorg et al. / University of Groningen

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