Trichocysts escape

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Uploaded by on May 11, 2011

Paramecium reacting to a localized heating from a focused laser. When laser heating is strong, cell escapes with exocytosis of its trichocysts. Video filmed at 1000 images/sec. Laser position is at top left corner of the image.

See Hamel et al, PNAS, vol. 108 no. 18 7290-7295, for full story.

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