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Time Series of a M. truncatula Wild-Type and dmi2-1 Root Hair before and after Touch with a Needle.
(A) Wild-type root hair. Time 0 is the root hair just after needle touch. Needle touch does not affect the cytoarchitecture and/or root hair growth.
(B) dmi2-1 root hair. Immediately after touch with the needle, vacuoles appear, which increase in time, and the root hair stops growing. Images were taken every 30 s. Bars = 15 μm.
