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Microtubule depolymerization by cold in Drosophila third instar larval brains

Experimental conditions

Drosophila third instar larval brains expressing a microtubule marker (Jupiter-mCherry) were mounted on a CherryTemp slide.

The sample was initially held at 20°C and then rapidly switched to 5°C.

Microtubule depolymerisation was observed for 370 seconds before the sample was rapidly taken back to 20°C to observe microtubule repolymerisation.

This process was then repeated, with the sample held at 5°C for 260 seconds.

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Cells were imaged on a Leica DM IL LED inverted microscope controlled by μManager software and coupled to a RetigaR1 monochrome camera (QImaging) and a CoolLED pE-300 Ultra light source.

Cells were identified that had centromesorganising robust microtubule asters.

Images were taken every 10 seconds using a 63X 1.3NA oil objective (Leica 11506384).All images were processed using Fiji (ImageJ).


Courtesy of Paul T. Conduit lab, University of Cambridge, UK.


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