{"id":6458,"date":"2016-05-26T13:39:04","date_gmt":"2016-05-26T12:39:04","guid":{"rendered":"https:\/\/www.egce.universite-paris-saclay.fr\/?p=6458"},"modified":"2016-05-26T13:39:04","modified_gmt":"2016-05-26T12:39:04","slug":"un-gene-clef-pour-la-transmission-du-chromosome-y","status":"publish","type":"post","link":"https:\/\/www.egce.universite-paris-saclay.fr\/?p=6458","title":{"rendered":"Un g\u00e8ne clef pour la transmission du chromosome Y"},"content":{"rendered":"<p>Alors qu&rsquo;en g\u00e9n\u00e9ral la r\u00e9partition entre les deux chromosomes sexuels, X et Y, est \u00e9gale dans les spermatozo\u00efdes, dans certaines populations de drosophiles elle est biais\u00e9e en faveur du X.<\/p>\n<p>L&rsquo;\u00e9quipe de Catherine Montchamp-Moreau (IGGIPOP) \u00e0 EGCE avec des coll\u00e8gues du Laboratoire de Biom\u00e9trie et Biologie Evolutive de Lyon et de l\u2019Institut de Biologie du D\u00e9veloppement de Marseille s&rsquo;est int\u00e9ress\u00e9e \u00e0 cette \u00e9trange situation. Elle vient d&rsquo;identifier un g\u00e8ne clef impliqu\u00e9 dans la transmission du chromosome Y lors de la formation des gam\u00e8tes m\u00e2les et port\u00e9 par le chromosome X. Ce travail a \u00e9t\u00e9 publi\u00e9 dans <a href=\"https:\/\/www.pnas.org\/content\/113\/15\/4110\">les PNAS<\/a>:<\/p>\n<p><strong>\u00ab\u00a0<a href=\"https:\/\/www.pnas.org\/content\/113\/15\/4110\">Rapid evolution of a Y-chromosome heterochromatin protein underlies sex chromosome meiotic drive<\/a>\u00ab\u00a0<\/strong>, par par Quentin Helleu, Pierre R. G\u00e9rard, Rapha\u00eblle Dubruille, David Ogereau, Benjamin Prud\u2019homme, Benjamin Loppin et Catherine Montchamp-Moreau publi\u00e9 dans PNAS le 15 mars 2016. DOI:10.1073\/pnas.1519332113.<\/p>\n<p>Il a \u00e9t\u00e9 repris dans les <a href=\"https:\/\/www.cnrs.fr\/endirectdeslabos\/lettre.php?modele_lettre=2&amp;numero=173\">br\u00e8ves du site de l&rsquo;INEE<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alors qu&rsquo;en g\u00e9n\u00e9ral la r\u00e9partition entre les deux chromosomes sexuels, X et Y, est \u00e9gale dans les spermatozo\u00efdes, dans certaines populations de drosophiles elle est biais\u00e9e en faveur du X. L&rsquo;\u00e9quipe de Catherine Montchamp-Moreau (IGGIPOP) \u00e0 EGCE avec des coll\u00e8gues du Laboratoire de Biom\u00e9trie et Biologie Evolutive de Lyon et de l\u2019Institut de Biologie du [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_themeisle_gutenberg_block_has_review":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8,15],"tags":[],"class_list":["post-6458","post","type-post","status-publish","format-standard","hentry","category-nouvelles","category-publications"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/posts\/6458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6458"}],"version-history":[{"count":0,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/posts\/6458\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}