Cells transfected with GFP-EB1 or GFP-EB1 mutants were imaged with a confocal microscope (Leica) at 37°C in at atmosphere containing 5% CO2. Time-lapse images of GFP-EB1 comets were captured at 2-sec intervals for 2 min as described previously [46]. Microtubule dynamics were analyzed using PlusTipTracker software [47, 48].
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