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In Drosophila embryos, microtubules oriented along apical-basal directions support saltatory vesicle movement. Vesicle traffic includes lipid droplets whose distribution shifts twice during early embryogenesis. Using microscopy, optical tweezers, and a novel squashed-mount embryo preparation, we tracked single droplets and measured the forces these(More)
Acknowledgements It has seemed to me at various times during my grad school tenure that pursuing a PhD is a bit of an insane undertaking, but Penn has beengreat place to beinsane in this particular way, and I have been lucky to have had a brilliant set of colleagues to share the experience. Thanks, all of you! Special thanks should go to a numb e r o f p e(More)
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