{"id":3576,"date":"2024-09-09T22:02:20","date_gmt":"2024-09-09T20:02:20","guid":{"rendered":"https:\/\/lizardecology.org\/?p=3576"},"modified":"2024-09-09T22:11:10","modified_gmt":"2024-09-09T20:11:10","slug":"m2-effets-du-rechauffement-climatique-sur-lacceleration-de-la-senescence-biologique-tot-dans-la-vie-chez-un-lezard","status":"publish","type":"post","link":"https:\/\/lizardecology.org\/?p=3576","title":{"rendered":"M2 &#8211; Effets du r\u00e9chauffement climatique sur l\u2019acc\u00e9l\u00e9ration de la s\u00e9nescence biologique t\u00f4t dans la vie chez un l\u00e9zard"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-1024x576.jpg\" alt=\"\" class=\"wp-image-3578\" srcset=\"https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-1024x576.jpg 1024w, https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-300x169.jpg 300w, https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-768x432.jpg 768w, https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-1536x864.jpg 1536w, https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-2048x1152.jpg 2048w, https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-680x382.jpg 680w, https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/20230607_093846-1080x608.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>R\u00e9sum\u00e9 du projet de stage<\/strong><\/p>\n\n\n\n<p>La th\u00e9orie m\u00e9tabolique pr\u00e9voit que le r\u00e9chauffement climatique devrait avoir un impact important sur l\u2019histoire de vie des organismes ectothermes, entra\u00eenant une acc\u00e9l\u00e9ration de leur rythme de vie dans les climats plus chauds. Des r\u00e9sultats obtenus dans notre \u00e9quipe sugg\u00e8rent que cette acc\u00e9l\u00e9ration thermique du cycle de vie se traduit par une alt\u00e9ration de la dynamique de la longueur des t\u00e9lom\u00e8res des individus dans les populations naturelles d\u2019une esp\u00e8ce de l\u00e9zard (Dupou\u00e9 et al. 2022). Toutefois, un lien causal entre r\u00e9chauffement climatique, vieillissement biologique et alt\u00e9ration de l\u2019histoire de vie des individus reste encore \u00e0 d\u00e9montrer. Ce projet de stage propose donc d\u2019\u00e9tudier les effets du r\u00e9chauffement climatique sur la longueur des t\u00e9lom\u00e8res, le stress physiologique et traits d\u2019histoire de vie pr\u00e9coce du l\u00e9zard vivipare en utilisant les donn\u00e9es d\u2019une exp\u00e9rience en conditions semi-naturelles dans le dispositif du M\u00e9tatron terrestre (<a href=\"https:\/\/metatron.sete.cnrs.fr\/\">https:\/\/metatron.sete.cnrs.fr<\/a>). Une poursuite en th\u00e8se sera possible en candidatant pour une bourse sur un sujet concernant l\u2019\u00e9tude de l\u2019acc\u00e9l\u00e9ration du rythme de vie aux limites chaudes critiques.<\/p>\n\n\n\n<p>D\u00e9tails dans le document ci-dessous<\/p>\n\n\n\n<p><strong>Niveau du stage :<\/strong> Stage de master 2 de recherche ou \u00e9quivalent avec gratification<\/p>\n\n\n\n<p><strong>P\u00e9riode du stage :<\/strong> Janvier-F\u00e9vrier \u00e0 Juillet-Ao\u00fbt 2025 (6 \u00e0 8 mois)<\/p>\n\n\n\n<p><strong>Laboratoire d\u2019accueil&nbsp;:<\/strong> Institut d\u2019Ecologie et des Sciences de l\u2019Environnement (IEES Paris), \u00e9quipes Variabilit\u00e9 Ph\u00e9notypique et Adaptation (VPA) et Ecophysiologie Evolutive (EPE)<\/p>\n\n\n\n<p><strong>Encadrants principaux&nbsp;:<\/strong><\/p>\n\n\n\n<p>Jean-Fran\u00e7ois Le Galliard (CNRS)&nbsp;: <a href=\"mailto:galliard@bio.ens.psl.eu\">galliard@bio.ens.psl.eu<\/a><\/p>\n\n\n\n<p>Sandrine Meylan (Sorbonne Universit\u00e9)&nbsp;: <a href=\"mailto:sandrine.meylan@sorbonne-universite.fr\">sandrine.meylan@sorbonne-universite.fr<\/a><\/p>\n\n\n\n<p><strong>Collaborations&nbsp;:<\/strong><\/p>\n\n\n\n<p>Julien Cote (CNRS)&nbsp;: <a href=\"mailto:julien.cote@univ-tlse3.fr\">julien.cote@univ-tlse3.fr<\/a><\/p>\n\n\n\n<p>Pierre de Villemereuil (EPHE)&nbsp;: <a href=\"mailto:pierre.devillemereuil@ephe.psl.eu\">pierre.devillemereuil@ephe.psl.eu<\/a><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/M2-EMERGENCE-VPA-ieesParis-2025_v3.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of M2-EMERGENCE-VPA-ieesParis-2025_v3.\"><\/object><a id=\"wp-block-file--media-8459dd60-fc33-4ed0-82d6-132d17de7e19\" href=\"https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/M2-EMERGENCE-VPA-ieesParis-2025_v3.pdf\">M2-EMERGENCE-VPA-ieesParis-2025_v3<\/a><a href=\"https:\/\/lizardecology.org\/wp-content\/uploads\/2024\/09\/M2-EMERGENCE-VPA-ieesParis-2025_v3.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-8459dd60-fc33-4ed0-82d6-132d17de7e19\">Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ce projet de stage propose d\u2019\u00e9tudier les effets du r\u00e9chauffement climatique sur la longueur des t\u00e9lom\u00e8res, le stress physiologique et traits d\u2019histoire de vie pr\u00e9coce du l\u00e9zard vivipare<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-3576","post","type-post","status-publish","format-standard","hentry","category-uncategorized","no-featured-image"],"_links":{"self":[{"href":"https:\/\/lizardecology.org\/index.php?rest_route=\/wp\/v2\/posts\/3576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lizardecology.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lizardecology.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lizardecology.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lizardecology.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3576"}],"version-history":[{"count":3,"href":"https:\/\/lizardecology.org\/index.php?rest_route=\/wp\/v2\/posts\/3576\/revisions"}],"predecessor-version":[{"id":3582,"href":"https:\/\/lizardecology.org\/index.php?rest_route=\/wp\/v2\/posts\/3576\/revisions\/3582"}],"wp:attachment":[{"href":"https:\/\/lizardecology.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lizardecology.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lizardecology.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}