{"id":8021,"date":"2016-09-23T14:19:37","date_gmt":"2016-09-23T12:19:37","guid":{"rendered":"https:\/\/news.embl.de\/?p=8021"},"modified":"2024-03-25T10:16:34","modified_gmt":"2024-03-25T09:16:34","slug":"160923-watching-nuclear-pores-grow","status":"publish","type":"post","link":"https:\/\/www.embl.org\/news\/science\/160923-watching-nuclear-pores-grow\/","title":{"rendered":"Watching nuclear pores in growing nuclei"},"content":{"rendered":"\n

This image answers the puzzle of how a new nuclear pore forms across the double membrane that encloses a cell\u2019s nucleus. Scientists at EMBL have found that the nuclear pore complex rises up from the inside in a mushroom shape before penetrating this barrier.<\/p>\n\n\n\n

From the inside out<\/h2>\n\n\n\n

Nuclear pores are the largest molecular machines known and act as gateways between a cell’s nucleus, which holds genetic information, and the rest of the cell. To protect the precious contents of the nucleus it is surrounded by not one but two membranes, much like double bagging your shopping. The nuclear pore spans these two membranes and controls all transport across them. But how these nuclear pores insert themselves into such a secure boundary has remained a mystery.<\/p>\n\n\n\n

\"1609_nuclearpore_assemblyembl\"<\/a>
Image Shotaro Otsuka\/EMBL<\/figcaption><\/figure><\/div>\n\n\n\n

Scientists at EMBL Heidelberg, led by Martin Beck and Jan Ellenberg, used live cell imaging and high-resolution electron microscopy techniques to look at intact human cells with growing nuclei and watch nuclear pores form. Postdoc Shotaro Otsuka found that the proteins form a mushroom shaped complex that deforms the inner membrane of the nucleus. The inner membrane then fuses with the outer membrane, allowing the nuclear pore to expand into its functional structure.<\/p>\n","protected":false},"excerpt":{"rendered":"

Puzzle of nuclear pore formation in growing nuclei solved<\/p>\n","protected":false},"author":44,"featured_media":8023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2,17591],"tags":[350,65,64,302,43,79,57,35],"embl_taxonomy":[],"class_list":["post-8021","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science","category-science-technology","tag-beck","tag-biophysics","tag-cell-biology","tag-ellenberg","tag-heidelberg","tag-microscopy","tag-postdoc","tag-structural-biology"],"acf":{"article_intro":"

Puzzle of nuclear pore formation in growing nuclei solved<\/p>\n","related_links":[{"link_description":"Beck Group","link_url":"http:\/\/www.embl.de\/research\/units\/scb\/beck\/"},{"link_description":"Ellenberg Group","link_url":"http:\/\/www.embl.de\/research\/units\/cbb\/ellenberg\/index.html"},{"link_description":"Revealing structure of nuclear pore\u2019s inner ring","link_url":"https:\/\/news.embl.de\/science\/1604-nuclear-pore\/"}],"article_sources":[{"source_description":"

Otsuka S et al, eLife<\/em>, published online 15 September, <\/span>2016. DOI: 10.7554\/eLife.19071.<\/p>\n","source_link_url":"https:\/\/elifesciences.org\/content\/5\/e19071"}],"vf_locked":false,"featured":false,"color":"#007B53"},"embl_taxonomy_terms":[],"yoast_head":"\nWatching nuclear pores in growing nuclei<\/title>\n<meta name=\"description\" content=\"Puzzle of nuclear pore formation in growing nuclei solved\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.embl.org\/news\/science\/160923-watching-nuclear-pores-grow\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Watching nuclear pores in growing nuclei\" \/>\n<meta property=\"og:description\" content=\"Puzzle of nuclear pore formation in growing nuclei solved\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.embl.org\/news\/science\/160923-watching-nuclear-pores-grow\/\" 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