SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations
Summary: The small ubiquitin-like modifier (SUMO) protease SENP6 disassembles SUMO chains from cellular substrate proteins. We use a proteomic method to identify putative SENP6 substrates based on increased apparent molecular weight after SENP6 depletion. Proteins of the lamin family of intermediate...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-08-01
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| Series: | Cell Reports |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211124723009713 |
| _version_ | 1797731124170981376 |
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| author | Magda Liczmanska Michael H. Tatham Barbara Mojsa Ania Eugui-Anta Alejandro Rojas-Fernandez Adel F.M. Ibrahim Ronald T. Hay |
| author_facet | Magda Liczmanska Michael H. Tatham Barbara Mojsa Ania Eugui-Anta Alejandro Rojas-Fernandez Adel F.M. Ibrahim Ronald T. Hay |
| author_sort | Magda Liczmanska |
| collection | DOAJ |
| description | Summary: The small ubiquitin-like modifier (SUMO) protease SENP6 disassembles SUMO chains from cellular substrate proteins. We use a proteomic method to identify putative SENP6 substrates based on increased apparent molecular weight after SENP6 depletion. Proteins of the lamin family of intermediate filaments show substantially increased SUMO modification after SENP6 depletion. This is accompanied by nuclear structural changes remarkably like those associated with laminopathies. Two SUMO attachment sites on lamin A/C are close to sites of mutations in Emery-Driefuss and limb girdle muscular dystrophy. To establish a direct link between lamin SUMOylation and the observed phenotype, we developed proximity-induced SUMO modification (PISM), which fuses a lamin A/C targeting DARPin to a SUMO E3 ligase domain. This directly targets lamin A/C for SUMO conjugation and demonstrates that enhanced lamin SUMO modification recapitulates the altered nuclear structure manifest after SENP6 depletion. This shows SENP6 activity protects the nucleus against hyperSUMOylation-induced laminopathy-like alterations. |
| first_indexed | 2024-03-12T11:54:14Z |
| format | Article |
| id | doaj.art-f01633d461d14c478619856e26e9f9e0 |
| institution | Directory Open Access Journal |
| issn | 2211-1247 |
| language | English |
| last_indexed | 2024-03-12T11:54:14Z |
| publishDate | 2023-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Cell Reports |
| spelling | doaj.art-f01633d461d14c478619856e26e9f9e02023-08-31T05:02:20ZengElsevierCell Reports2211-12472023-08-01428112960SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterationsMagda Liczmanska0Michael H. Tatham1Barbara Mojsa2Ania Eugui-Anta3Alejandro Rojas-Fernandez4Adel F.M. Ibrahim5Ronald T. Hay6Division of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UKDivision of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UKDivision of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UKDivision of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UKDivision of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UKDivision of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UKDivision of Molecular, Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UK; Corresponding authorSummary: The small ubiquitin-like modifier (SUMO) protease SENP6 disassembles SUMO chains from cellular substrate proteins. We use a proteomic method to identify putative SENP6 substrates based on increased apparent molecular weight after SENP6 depletion. Proteins of the lamin family of intermediate filaments show substantially increased SUMO modification after SENP6 depletion. This is accompanied by nuclear structural changes remarkably like those associated with laminopathies. Two SUMO attachment sites on lamin A/C are close to sites of mutations in Emery-Driefuss and limb girdle muscular dystrophy. To establish a direct link between lamin SUMOylation and the observed phenotype, we developed proximity-induced SUMO modification (PISM), which fuses a lamin A/C targeting DARPin to a SUMO E3 ligase domain. This directly targets lamin A/C for SUMO conjugation and demonstrates that enhanced lamin SUMO modification recapitulates the altered nuclear structure manifest after SENP6 depletion. This shows SENP6 activity protects the nucleus against hyperSUMOylation-induced laminopathy-like alterations.http://www.sciencedirect.com/science/article/pii/S2211124723009713CP: Molecular biologyCP: Cell biology |
| spellingShingle | Magda Liczmanska Michael H. Tatham Barbara Mojsa Ania Eugui-Anta Alejandro Rojas-Fernandez Adel F.M. Ibrahim Ronald T. Hay SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations Cell Reports CP: Molecular biology CP: Cell biology |
| title | SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations |
| title_full | SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations |
| title_fullStr | SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations |
| title_full_unstemmed | SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations |
| title_short | SUMO protease SENP6 protects the nucleus from hyperSUMOylation-induced laminopathy-like alterations |
| title_sort | sumo protease senp6 protects the nucleus from hypersumoylation induced laminopathy like alterations |
| topic | CP: Molecular biology CP: Cell biology |
| url | http://www.sciencedirect.com/science/article/pii/S2211124723009713 |
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