SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis.
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 developmenta...
| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2023-09-01
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| Series: | PLoS Biology |
| Online Access: | https://journals.plos.org/plosbiology/article/file?id=10.1371/journal.pbio.3002305&type=printable |
| _version_ | 1827800268340723712 |
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| author | Chen Liu Andriani Mentzelopoulou Fotini Papagavriil Prashanth Ramachandran Artemis Perraki Lucas Claus Sebastian Barg Peter Dörmann Yvon Jaillais Philipp Johnen Eugenia Russinova Electra Gizeli Gabriel Schaaf Panagiotis Nikolaou Moschou |
| author_facet | Chen Liu Andriani Mentzelopoulou Fotini Papagavriil Prashanth Ramachandran Artemis Perraki Lucas Claus Sebastian Barg Peter Dörmann Yvon Jaillais Philipp Johnen Eugenia Russinova Electra Gizeli Gabriel Schaaf Panagiotis Nikolaou Moschou |
| author_sort | Chen Liu |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-03-11T20:05:56Z |
| format | Article |
| id | doaj.art-e2a44caa675b4120a3b674204b069a27 |
| institution | Directory Open Access Journal |
| issn | 1544-9173 1545-7885 |
| language | English |
| last_indexed | 2024-03-11T20:05:56Z |
| publishDate | 2023-09-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS Biology |
| spelling | doaj.art-e2a44caa675b4120a3b674204b069a272023-10-04T05:30:53ZengPublic Library of Science (PLoS)PLoS Biology1544-91731545-78852023-09-01219e300230510.1371/journal.pbio.3002305SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis.Chen LiuAndriani MentzelopoulouFotini PapagavriilPrashanth RamachandranArtemis PerrakiLucas ClausSebastian BargPeter DörmannYvon JaillaisPhilipp JohnenEugenia RussinovaElectra GizeliGabriel SchaafPanagiotis Nikolaou MoschouProtein 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.https://journals.plos.org/plosbiology/article/file?id=10.1371/journal.pbio.3002305&type=printable |
| spellingShingle | Chen Liu Andriani Mentzelopoulou Fotini Papagavriil Prashanth Ramachandran Artemis Perraki Lucas Claus Sebastian Barg Peter Dörmann Yvon Jaillais Philipp Johnen Eugenia Russinova Electra Gizeli Gabriel Schaaf Panagiotis Nikolaou Moschou SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. PLoS Biology |
| title | SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. |
| title_full | SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. |
| title_fullStr | SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. |
| title_full_unstemmed | SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. |
| title_short | SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis. |
| title_sort | sec14 like condensate phase transitions at plasma membranes regulate root growth in arabidopsis |
| url | https://journals.plos.org/plosbiology/article/file?id=10.1371/journal.pbio.3002305&type=printable |
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