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BiophysicsbioRxiv

LILAC: Enhanced actin imaging with an optogenetic Lifeact

K. L. Kroll, A. R. French, T. R. Sosnick, R. S. Rock

Abstract

We have designed an improved Lifeact variant that binds to actin under the control of light using the LOV2 protein. Light control enables one to subtract the pre-illumination signal of the unbound label, yielding an enhanced view of F-actin dynamics in cells. Furthermore, the tool eliminates actin network perturbations and cell sickness caused by Lifeact overexpression.

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02 /Specification & Classification

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