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Team:Heidelberg/Project/Visualization
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Sensing
Killing - Colicin
Time series of killer and prey bacteria. Killer cells are marked with mCherry (red) and prey bacteria are marked with GFP (green). The intial ratio is 1:1, which can be recognized on the second and third frame (8h and 12h, respectively). Many prey and killer bacteria are grown after 36 hours (last three image frames). However, the faint green fluorescence (it is sharp!) indicates the weak prey metabolism due to the toxin. Toxin production and excretion is activated in killer bacteria by the signaling molecule autoinducer-1.
To see separate images click here
