DEAD-box ATPases as regulators of biomolecular condensates and membrane-less organelles

Trends Biochem Sci. 2023 Mar;48(3):244-258. doi: 10.1016/j.tibs.2022.10.001. Epub 2022 Nov 4.

Abstract

RNA-dependent DEAD-box ATPases (DDXs) are emerging as major regulators of RNA-containing membrane-less organelles (MLOs). On the one hand, oligomerizing DDXs can promote condensate formation 'in cis', often using RNA as a scaffold. On the other hand, DDXs can disrupt RNA-RNA and RNA-protein interactions and thereby 'in trans' remodel the multivalent interactions underlying MLO formation. In this review, we discuss the best studied examples of DDXs modulating MLOs in cis and in trans. Further, we illustrate how this contributes to the dynamic assembly and turnover of MLOs which might help cells to modulate RNA sequestration and processing in a temporal and spatial manner.

Keywords: RNA processing; RNA-dependent DEAD-box ATPases; biomolecular condensates; cellular compartmentalization.

Publication types

  • Review
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adenosine Triphosphatases
  • Biomolecular Condensates*
  • DEAD-box RNA Helicases
  • Organelles*
  • RNA

Substances

  • Adenosine Triphosphatases
  • RNA
  • DEAD-box RNA Helicases