The DOI matches its Crossref record; 128 of the 128 references it cites were found in a registry or an index.
Liquid–Liquid Phase Separation in Crowded Environments
Open accessAbstract
Biomolecular condensates play a key role in organizing cellular fluids such as the cytoplasm and nucleoplasm. Most of these non-membranous organelles show liquid-like properties both in cells and when studied in vitro through liquid–liquid phase separation (LLPS) of purified proteins. In general, LLPS of proteins is known to be sensitive to variations in pH, temperature and ionic strength, but the role of crowding remains underappreciated. Several decades of research have shown that macromolecular crowding can have profound effects on protein interactions, folding and aggregation, and it must, by extension, also impact LLPS. However, the precise role of crowding in LLPS is far from trivial, as most condensate components have a disordered nature and exhibit multiple weak attractive interactions. Here, we discuss which factors determine the scope of LLPS in crowded environments, and we review the evidence for the impact of macromolecular crowding on phase boundaries, partitioning behavior and condensate properties. Based on a comparison of both in vivo and in vitro LLPS studies, we propose that phase separation in cells does not solely rely on attractive interactions, but shows important similarities to segregative phase separation.
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Cites
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Tau liquid–liquid phase separation: At the crossroads of tau physiology and tauopathy
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Metadata
- Authors
- André, A. A. M., & Spruijt, E.
- Venue
- International Journal of Molecular Sciences
- Publisher
- MDPI AG
- Published
- 2020-08-17
- Volume
- 21
- Issue
- 16
- Pages
- 5908
- ISSN
- 1422-0067 (ISSN-L)
- OpenAlex
- W3049249652
- Cited by
- 334
- References
- 128
- FWCI
- 9.68
- Type
- journal article
- Language
- en
- Open access
- gold
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