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SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis

Chen Liu, Andriani Mentzelopoulou, Fotini Papagavriil, Prashanth Ramachandran, Artemis Perraki, Lucas Alves Neubus Claus, Sebastian Barg, Peter Dörmann, Yvon Jaillais, Philipp Johnen, et al.
(2023) PLOS BIOLOGY. 21(9).
Author
Organization
Abstract
Protein function can be modulated by phase transitions in their material properties, which can range from liquid- to solid-like; yet, the mechanisms that drive these transitions and whether they are important for physiology are still unknown. In the model plant Arabidopsis, we show that developmental robustness is reinforced by phase transitions of the plasma membrane-bound lipid-binding protein SEC14-like. Using imaging, genetics, and in vitro reconstitution experiments, we show that SEC14-like undergoes liquid-like phase separation in the root stem cells. Outside the stem cell niche, SEC14-like associates with the caspase-like protease separase and conserved microtubule motors at unique polar plasma membrane interfaces. In these interfaces, SEC14-like undergoes processing by separase, which promotes its liquid-to-solid transition. This transition is important for root development, as lines expressing an uncleavable SEC14-like variant or mutants of separase and associated microtubule motors show similar developmental phenotypes. Furthermore, the processed and solidified but not the liquid form of SEC14-like interacts with and regulates the polarity of the auxin efflux carrier PINFORMED2. This work demonstrates that robust development can involve liquid-to-solid transitions mediated by proteolysis at unique plasma membrane interfaces.
Keywords
General Agricultural and Biological Sciences, General Immunology and Microbiology, General Biochemistry, Genetics and Molecular Biology, General Neuroscience, LIPID-METABOLISM, LIQUID-PHASE, CELL, MICROTUBULES, DYNAMICS, DETERMINANTS, SEPARATION, POLARITY, SYSTEM

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Citation

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MLA
Liu, Chen, et al. “SEC14-like Condensate Phase Transitions at Plasma Membranes Regulate Root Growth in Arabidopsis.” PLOS BIOLOGY, edited by Mark Estelle, vol. 21, no. 9, 2023, doi:10.1371/journal.pbio.3002305.
APA
Liu, C., Mentzelopoulou, A., Papagavriil, F., Ramachandran, P., Perraki, A., Alves Neubus Claus, L., … Moschou, P. N. (2023). SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. PLOS BIOLOGY, 21(9). https://doi.org/10.1371/journal.pbio.3002305
Chicago author-date
Liu, Chen, Andriani Mentzelopoulou, Fotini Papagavriil, Prashanth Ramachandran, Artemis Perraki, Lucas Alves Neubus Claus, Sebastian Barg, et al. 2023. “SEC14-like Condensate Phase Transitions at Plasma Membranes Regulate Root Growth in Arabidopsis.” Edited by Mark Estelle. PLOS BIOLOGY 21 (9). https://doi.org/10.1371/journal.pbio.3002305.
Chicago author-date (all authors)
Liu, Chen, Andriani Mentzelopoulou, Fotini Papagavriil, Prashanth Ramachandran, Artemis Perraki, Lucas Alves Neubus Claus, Sebastian Barg, Peter Dörmann, Yvon Jaillais, Philipp Johnen, Eugenia Russinova, Electra Gizeli, Gabriel Schaaf, and Panagiotis Nikolaou Moschou. 2023. “SEC14-like Condensate Phase Transitions at Plasma Membranes Regulate Root Growth in Arabidopsis.” Ed by. Mark Estelle. PLOS BIOLOGY 21 (9). doi:10.1371/journal.pbio.3002305.
Vancouver
1.
Liu C, Mentzelopoulou A, Papagavriil F, Ramachandran P, Perraki A, Alves Neubus Claus L, et al. SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. Estelle M, editor. PLOS BIOLOGY. 2023;21(9).
IEEE
[1]
C. Liu et al., “SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis,” PLOS BIOLOGY, vol. 21, no. 9, 2023.
@article{01HAVT39KTAHV956KVZB8R7DA4,
  abstract     = {{Protein function can be modulated by phase transitions in their material properties, which can range from liquid- to solid-like; yet, the mechanisms that drive these transitions and whether they are important for physiology are still unknown. In the model plant Arabidopsis, we show that developmental robustness is reinforced by phase transitions of the plasma membrane-bound lipid-binding protein SEC14-like. Using imaging, genetics, and in vitro reconstitution experiments, we show that SEC14-like undergoes liquid-like phase separation in the root stem cells. Outside the stem cell niche, SEC14-like associates with the caspase-like protease separase and conserved microtubule motors at unique polar plasma membrane interfaces. In these interfaces, SEC14-like undergoes processing by separase, which promotes its liquid-to-solid transition. This transition is important for root development, as lines expressing an uncleavable SEC14-like variant or mutants of separase and associated microtubule motors show similar developmental phenotypes. Furthermore, the processed and solidified but not the liquid form of SEC14-like interacts with and regulates the polarity of the auxin efflux carrier PINFORMED2. This work demonstrates that robust development can involve liquid-to-solid transitions mediated by proteolysis at unique plasma membrane interfaces.}},
  articleno    = {{e3002305}},
  author       = {{Liu, Chen and Mentzelopoulou, Andriani and Papagavriil, Fotini and Ramachandran, Prashanth and Perraki, Artemis and Alves Neubus Claus, Lucas and Barg, Sebastian and Dörmann, Peter and Jaillais, Yvon and Johnen, Philipp and Russinova, Eugenia and Gizeli, Electra and Schaaf, Gabriel and Moschou, Panagiotis Nikolaou}},
  editor       = {{Estelle, Mark}},
  issn         = {{1544-9173}},
  journal      = {{PLOS BIOLOGY}},
  keywords     = {{General Agricultural and Biological Sciences,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Neuroscience,LIPID-METABOLISM,LIQUID-PHASE,CELL,MICROTUBULES,DYNAMICS,DETERMINANTS,SEPARATION,POLARITY,SYSTEM}},
  language     = {{eng}},
  number       = {{9}},
  pages        = {{42}},
  title        = {{SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis}},
  url          = {{http://doi.org/10.1371/journal.pbio.3002305}},
  volume       = {{21}},
  year         = {{2023}},
}
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