Biomolecular condensates represent a new paradigm of cytoplasmic organization. In recent years, an increasing amount of evidence suggests that protein condensates can directly impact the morphology and function of membrane compartments. The early secretory pathway, which comprises the ER and Golgi compartments, is emerging as a hotspot for biomolecular condensates. In this chapter, we discuss recent reports suggesting diverse roles for condensates in cargo sorting, regulating membrane traffic, and shaping organelle morphology. This promotes a view in which biomolecular condensates may significantly contribute to defining the anatomy and specific functions of the Golgi and its surrounding membranes.

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Biomolecular Condensates in and Around the ER–Golgi Interface

  • Miguel Ruiz,
  • Savannah M. Bogus,
  • Andreas M. Ernst

摘要

Biomolecular condensates represent a new paradigm of cytoplasmic organization. In recent years, an increasing amount of evidence suggests that protein condensates can directly impact the morphology and function of membrane compartments. The early secretory pathway, which comprises the ER and Golgi compartments, is emerging as a hotspot for biomolecular condensates. In this chapter, we discuss recent reports suggesting diverse roles for condensates in cargo sorting, regulating membrane traffic, and shaping organelle morphology. This promotes a view in which biomolecular condensates may significantly contribute to defining the anatomy and specific functions of the Golgi and its surrounding membranes.