{"id":2738,"date":"2016-10-01T13:09:27","date_gmt":"2016-10-01T11:09:27","guid":{"rendered":"http:\/\/www.igmm.cnrs.fr\/compaction-de-la-chromatine-dans-des-cellules-germinales\/"},"modified":"2017-12-18T11:52:50","modified_gmt":"2017-12-18T10:52:50","slug":"compaction-de-la-chromatine-dans-des-cellules-germinales","status":"publish","type":"post","link":"https:\/\/www.igmm.cnrs.fr\/en\/compaction-de-la-chromatine-dans-des-cellules-germinales\/","title":{"rendered":"Compaction de la chromatine dans des cellules germinales"},"content":{"rendered":"<h6>[ Article in French ]<\/h6>\n<p>&nbsp;<\/p>\n<p>Notre compr\u00e9hension de la structuration de la chromatine dans les cellules d\u2019organisme vivant est encore imparfaite. Dans une publication dans Cell Reports, David Ll\u00e8res et ses collaborateurs ont adapt\u00e9 une technique de microscopie bas\u00e9e sur le FRET pour mesurer in vivo la compaction de la chromatine \u00e0 l\u2019\u00e9chelle nanom\u00e9trique.<\/p>\n<p>Cette nouvelle approche a permis la visualisation et la quantification des niveaux de compaction chromatinienne au sein de la lign\u00e9e germinale du n\u00e9matode C. elegans vivant. Ce travail collaboratif entre les laboratoires de Robert Feil (IGMM) et Dimitris Xirodimas (CRBM, Montpellier) r\u00e9v\u00e8le la pr\u00e9sence de niveaux h\u00e9t\u00e9rog\u00e8nes de compaction de la chromatine le long des chromosomes au stade pachyt\u00e8ne. De plus, les \u00e9tudes fonctionnelles par l\u2019utilisation d\u2019ARN interf\u00e9rents d\u00e9montrent des r\u00f4les-cl\u00e9s de HP1 (heterochromatin protein-1) et des complexes de condensines dans la structuration de la chromatine.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2053 size-full\" src=\"http:\/\/www.igmm.cnrs.fr\/wp-content\/uploads\/2016\/10\/gr1.jpg\" alt=\"\" width=\"654\" height=\"590\" srcset=\"https:\/\/www.igmm.cnrs.fr\/wp-content\/uploads\/2016\/10\/gr1.jpg 654w, https:\/\/www.igmm.cnrs.fr\/wp-content\/uploads\/2016\/10\/gr1-450x406.jpg 450w\" sizes=\"auto, (max-width: 654px) 100vw, 654px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Lien : <a href=\"http:\/\/www.cell.com\/cell-reports\/fulltext\/S2211-1247(17)30098-0\" target=\"_blank\" rel=\"noopener\">http:\/\/www.cell.com\/cell-reports\/fulltext\/S2211-1247(17)30098-0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ Article in French ]<br \/>\nNotre compr\u00e9hension de la structuration de la chromatine dans les cellules d\u2019organisme vivant est encore imparfaite. Dans une publication dans Cell Reports, David Ll\u00e8res et ses collaborateurs ont adapt\u00e9 une technique de microscopie bas\u00e9e sur le FRET pour mesurer in vivo la compaction de la chromatine \u00e0 l\u2019\u00e9chelle nanom\u00e9trique. <\/p>\n","protected":false},"author":2,"featured_media":2057,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-2738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-en"],"_links":{"self":[{"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/posts\/2738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/comments?post=2738"}],"version-history":[{"count":2,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/posts\/2738\/revisions"}],"predecessor-version":[{"id":2807,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/posts\/2738\/revisions\/2807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/media\/2057"}],"wp:attachment":[{"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/media?parent=2738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/categories?post=2738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.igmm.cnrs.fr\/en\/wp-json\/wp\/v2\/tags?post=2738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}