A modular tool to query and inducibly disrupt biomolecular condensates

Carmen N. Hernández-Candia, Sarah Pearce and Chandra L. Tucker ()
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Carmen N. Hernández-Candia: University of Colorado School of Medicine
Sarah Pearce: University of Colorado School of Medicine
Chandra L. Tucker: University of Colorado School of Medicine

Nature Communications, 2021, vol. 12, issue 1, 1-13

Abstract: Abstract Dynamic membraneless compartments formed by protein condensates have multifunctional roles in cellular biology. Tools that inducibly trigger condensate formation have been useful for exploring their cellular function, however, there are few tools that provide inducible control over condensate disruption. To address this need we developed DisCo (Disassembly of Condensates), which relies on the use of chemical dimerizers to inducibly recruit a ligand to the condensate-forming protein, triggering condensate dissociation. We demonstrate use of DisCo to disrupt condensates of FUS, associated with amyotrophic lateral sclerosis, and to prevent formation of polyglutamine-containing huntingtin condensates, associated with Huntington’s disease. In addition, we combined DisCo with a tool to induce condensates with light, CRY2olig, achieving bidirectional control of condensate formation and disassembly using orthogonal inputs of light and rapamycin. Our results demonstrate a method to manipulate condensate states that will have broad utility, enabling better understanding of the biological role of condensates in health and disease.

Date: 2021
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DOI: 10.1038/s41467-021-22096-1

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