{"id":21612,"date":"2026-03-18T12:37:49","date_gmt":"2026-03-18T11:37:49","guid":{"rendered":"https:\/\/www.egce.universite-paris-saclay.fr\/?p=21612"},"modified":"2026-03-18T14:13:05","modified_gmt":"2026-03-18T13:13:05","slug":"plasticite-des-genes","status":"publish","type":"post","link":"https:\/\/www.egce.universite-paris-saclay.fr\/?p=21612","title":{"rendered":"Plasticit\u00e9 des g\u00e8nes et r\u00e9gulation"},"content":{"rendered":"\n<p>Quelles sont les propri\u00e9t\u00e9s de la r\u00e9gulation des g\u00e8nes dont l&rsquo;expression est sensible aux facteurs environnementaux (g\u00e8nes plastiques), par opposition aux g\u00e8nes dont l&rsquo;expression est ind\u00e9pendante de l&rsquo;environnement (g\u00e8nes non plastiques)&nbsp;?<\/p>\n\n\n\n<p>Des approches empiriques et th\u00e9oriques ont r\u00e9v\u00e9l\u00e9, de mani\u00e8re coh\u00e9rente, que les g\u00e8nes plastiques poss\u00e8dent, en moyenne, un plus grand nombre de r\u00e9gulateurs. De plus, les pr\u00e9dictions th\u00e9oriques ont montr\u00e9 que la s\u00e9lection, contrairement \u00e0 la d\u00e9rive g\u00e9n\u00e9tique, influence fortement la distribution des motifs du r\u00e9seau. Cependant, aucune diff\u00e9rence de fr\u00e9quence des boucles et des motifs r\u00e9gulant les g\u00e8nes plastiques par rapport aux g\u00e8nes non plastiques n\u2019a \u00e9t\u00e9 observ\u00e9e. La topologie des r\u00e9seaux est peut-\u00eatre encore insuffisamment connue pour expliquer ou pr\u00e9dire pleinement la plasticit\u00e9 de l&rsquo;expression g\u00e9nique.<\/p>\n\n\n\n<p><a href=\"javascript:;\">Apolline J R Petit<\/a> , <a href=\"javascript:;\">Anne Genissel<\/a> , <a href=\"javascript:;\">Arnaud Le Rouzic<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.1093\/genetics\/iyag009\">https:\/\/doi.org\/10.1093\/genetics\/iyag009<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"501\" src=\"https:\/\/www.egce.universite-paris-saclay.fr\/wp-content\/uploads\/2026\/03\/Illustration_Petitetal_Genetics-1024x501.png\" alt=\"\" class=\"wp-image-21620\" srcset=\"https:\/\/www.egce.universite-paris-saclay.fr\/wp-content\/uploads\/2026\/03\/Illustration_Petitetal_Genetics-1024x501.png 1024w, https:\/\/www.egce.universite-paris-saclay.fr\/wp-content\/uploads\/2026\/03\/Illustration_Petitetal_Genetics-300x147.png 300w, https:\/\/www.egce.universite-paris-saclay.fr\/wp-content\/uploads\/2026\/03\/Illustration_Petitetal_Genetics-768x376.png 768w, https:\/\/www.egce.universite-paris-saclay.fr\/wp-content\/uploads\/2026\/03\/Illustration_Petitetal_Genetics-200x98.png 200w, https:\/\/www.egce.universite-paris-saclay.fr\/wp-content\/uploads\/2026\/03\/Illustration_Petitetal_Genetics.png 1388w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Quelles sont les propri\u00e9t\u00e9s de la r\u00e9gulation des g\u00e8nes dont l&rsquo;expression est sensible aux facteurs environnementaux (g\u00e8nes plastiques), par opposition aux g\u00e8nes dont l&rsquo;expression est ind\u00e9pendante de l&rsquo;environnement (g\u00e8nes non plastiques)&nbsp;? Des approches empiriques et th\u00e9oriques ont r\u00e9v\u00e9l\u00e9, de mani\u00e8re coh\u00e9rente, que les g\u00e8nes plastiques poss\u00e8dent, en moyenne, un plus grand nombre de r\u00e9gulateurs. De [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","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":"set","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],"tags":[],"class_list":["post-21612","post","type-post","status-publish","format-standard","hentry","category-nouvelles"],"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\/21612","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=21612"}],"version-history":[{"count":4,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/posts\/21612\/revisions"}],"predecessor-version":[{"id":21622,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/posts\/21612\/revisions\/21622"}],"wp:attachment":[{"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.egce.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}