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RNA stores tau reversibly in complex coacervates

Fig 4

Tau and RNA forms droplet in vitro.

(A) Bright field snapshots of droplets from 400 μM Δtau187 and 800 μg/ml poly(A) showing 2 droplets seamlessly fusing (highlighted with red circle). (B) Confocal microscopy image of Δtau187 labeled with Alexa-488 of the droplets from the same sample as in (A). 50 μM Alexa-488 labeled Δtau187 mixed with 350 μM MTSL labeled Δtau187 of droplets formed immediately after adding 800 μg/ml poly(A) RNA. Both (A) and (B) were sampled at room temperature and without added NaCl.

Fig 4