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Contact: Catherine Kolf
Johns Hopkins Medicine

GtaC Rhythmically Moves in and out of the Nucleus

Caption: Levels of the regulatory protein GtaC, tagged with green fluorescent protein, increase in the nucleus every six minutes. GtaC turns on genes that prepare cells to move. The image is a compilation of eight photos, taken at 3.5 minute intervals, showing GtaC's location in a single cell as it moves.

Credit: Huaqing Cai

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Related news release: Cellular 'counting' of rhythmic signals synchronizes changes in cell fate

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