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Fig. 3. | BMC Biology

Fig. 3.

From: Life behind the wall: sensing mechanical cues in plants

Fig. 3.

Mechanoreceptors can operate at several distinct scales. a Mechanosensitive ion channels provide a clever mechanism to transduce physical force (in the form of lateral membrane tension, red arrows) into a change in cellular state (in the form of ion flux). b Trichomes, uniquely shaped cells of the plant leaf and stem epidermis, serve as cellular mechanoreceptors by focusing force applied anywhere along the length (red arrows) into a buckling movement only at the base (shown in purple). c Utricularia suction traps may be triggered through a purely mechanical mechanism that relies on a biomechanically bistable structure. Displacement of hairs on the trapdoor leads to rapid opening and closing (not shown) of the trapdoor and any nearby prey is aspirated into the trap

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