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

University of Groningen

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

Caption

Stills from video. Staphylococci bacteria, which have been labelled with a green fluorescent protein, express a resistance gene for the antibiotic chloramphenicol. Black Streptococcus pneumoniae bacteria 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

Sorgt et al. / University of Groningen

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