--- _id: '11107' abstract: - lang: eng text: Nucleocytoplasmic transport occurs exclusively through nuclear pore complexes (NPCs) embedded in pores formed by inner and outer nuclear membrane fusion. The mechanism for de novo pore and NPC biogenesis remains unclear. Reticulons (RTNs) and Yop1/DP1 are conserved membrane protein families required to form and maintain the tubular endoplasmic reticulum (ER) and the postmitotic nuclear envelope. In this study, we report that members of the RTN and Yop1/DP1 families are required for nuclear pore formation. Analysis of Saccharomyces cerevisiae prp20-G282S and nup133Δ NPC assembly mutants revealed perturbations in Rtn1–green fluorescent protein (GFP) and Yop1-GFP ER distribution and colocalization to NPC clusters. Combined deletion of RTN1 and YOP1 resulted in NPC clustering, nuclear import defects, and synthetic lethality with the additional absence of Pom34, Pom152, and Nup84 subcomplex members. We tested for a direct role in NPC biogenesis using Xenopus laevis in vitro assays and found that anti-Rtn4a antibodies specifically inhibited de novo nuclear pore formation. We hypothesize that these ER membrane–bending proteins mediate early NPC assembly steps. article_processing_charge: No article_type: original author: - first_name: T. Renee full_name: Dawson, T. Renee last_name: Dawson - first_name: Michelle D. full_name: Lazarus, Michelle D. last_name: Lazarus - first_name: Martin W full_name: HETZER, Martin W id: 86c0d31b-b4eb-11ec-ac5a-eae7b2e135ed last_name: HETZER orcid: 0000-0002-2111-992X - first_name: Susan R. full_name: Wente, Susan R. last_name: Wente citation: ama: Dawson TR, Lazarus MD, Hetzer M, Wente SR. ER membrane–bending proteins are necessary for de novo nuclear pore formation. Journal of Cell Biology. 2009;184(5):659-675. doi:10.1083/jcb.200806174 apa: Dawson, T. R., Lazarus, M. D., Hetzer, M., & Wente, S. R. (2009). ER membrane–bending proteins are necessary for de novo nuclear pore formation. Journal of Cell Biology. Rockefeller University Press. https://doi.org/10.1083/jcb.200806174 chicago: Dawson, T. Renee, Michelle D. Lazarus, Martin Hetzer, and Susan R. Wente. “ER Membrane–Bending Proteins Are Necessary for de Novo Nuclear Pore Formation.” Journal of Cell Biology. Rockefeller University Press, 2009. https://doi.org/10.1083/jcb.200806174. ieee: T. R. Dawson, M. D. Lazarus, M. Hetzer, and S. R. Wente, “ER membrane–bending proteins are necessary for de novo nuclear pore formation,” Journal of Cell Biology, vol. 184, no. 5. Rockefeller University Press, pp. 659–675, 2009. ista: Dawson TR, Lazarus MD, Hetzer M, Wente SR. 2009. ER membrane–bending proteins are necessary for de novo nuclear pore formation. Journal of Cell Biology. 184(5), 659–675. mla: Dawson, T. Renee, et al. “ER Membrane–Bending Proteins Are Necessary for de Novo Nuclear Pore Formation.” Journal of Cell Biology, vol. 184, no. 5, Rockefeller University Press, 2009, pp. 659–75, doi:10.1083/jcb.200806174. short: T.R. Dawson, M.D. Lazarus, M. Hetzer, S.R. Wente, Journal of Cell Biology 184 (2009) 659–675. date_created: 2022-04-07T07:54:44Z date_published: 2009-03-09T00:00:00Z date_updated: 2022-07-18T08:55:05Z day: '09' doi: 10.1083/jcb.200806174 extern: '1' external_id: pmid: - '19273614' intvolume: ' 184' issue: '5' keyword: - Cell Biology language: - iso: eng main_file_link: - open_access: '1' url: https://doi.org/10.1083/jcb.200806174 month: '03' oa: 1 oa_version: Published Version page: 659-675 pmid: 1 publication: Journal of Cell Biology publication_identifier: eissn: - 1540-8140 issn: - 0021-9525 publication_status: published publisher: Rockefeller University Press quality_controlled: '1' scopus_import: '1' status: public title: ER membrane–bending proteins are necessary for de novo nuclear pore formation type: journal_article user_id: 72615eeb-f1f3-11ec-aa25-d4573ddc34fd volume: 184 year: '2009' ...