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Published on Jan 6, 2014
In this video, E. coli cells containing the dual-feedback oscillator are outlined in blue and red tracked as they grow in a microfluidic device at 32 degrees Celsius, left, and 41 degrees Celsius, right. The periods of the cells' fluorescent-tagged "clock" proteins, tracked in the graph at bottom, match despite the change in temperature. (Credit: Bennett Lab/Rice University)