{"id":20194,"date":"2021-02-04T15:50:03","date_gmt":"2021-02-04T14:50:03","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=20194"},"modified":"2021-02-12T11:19:21","modified_gmt":"2021-02-12T10:19:21","slug":"dos-cors-en-un","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/dos-cors-en-un\/","title":{"rendered":"Dos cors en un"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Aquesta bonica imatge que ens envia la Carla Belmonte Mateos, una investigadora del <a rel=\"noreferrer noopener\" href=\"https:\/\/www.upf.edu\/web\/biomed\" target=\"_blank\">Departament de Ci\u00e8ncies Experimentals i de la Salut, Universitat Pompeu Fabra (DCEXS-UPF)<\/a> ens mostra un impressionant exemple d&#8217;embrions de peix zebra siamesos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La Carla treballa al <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/receptes-per-fer-organismes\/\" target=\"_blank\">laboratori <\/a>dirigit per la <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/cristina-pujades-cexs-upf-canviar-visio-universitats-centres-recerca\/\" target=\"_blank\">Cristina Pujades<\/a>, on <strong>estudien el desenvolupament del sistema nervi\u00f3s central embrionari (SNC) <\/strong>amb l&#8217;enfocament en el cervell posterior, ja que \u00e9s una de les <a href=\"https:\/\/ellipse.prbb.org\/ca\/la-mecanica-i-la-biologia-juntes-per-donar-forma-al-cervell\/\" target=\"_blank\" rel=\"noreferrer noopener\">estructures embrion\u00e0ries m\u00e9s conservades del cervell<\/a>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La <strong>l\u00ednia transg\u00e8nica de peix zebra <\/strong>observada a la imatge expressa la prote\u00efna fluorescent mCherry sota el control de diferents elements reguladors de <em>krx20<\/em>, un factor de transcripci\u00f3 que s&#8217;expressa en regions molt espec\u00edfiques del cervell posterior de l&#8217;embri\u00f3. Aquesta \u00e9s una fant\u00e0stica eina que ajuda a contextualitzar una poblaci\u00f3 d&#8217;inter\u00e8s dins de tota l&#8217;estructura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La Carla ens explica com es va topar amb aquesta imatge: \u00abVaig creuar peixos adults durant la nit i vaig recollir embrions l&#8217;endem\u00e0 al mat\u00ed, com faig cada dos dies per comen\u00e7ar un experiment. A les <strong>24 hores despr\u00e9s de la fecundaci\u00f3<\/strong>, vaig revisar l&#8217;estadi i salut dels embrions. Per a la meva sorpresa, entre una generaci\u00f3 de 200 embrions, vaig observar aquests <strong>embrions siamesos creant una forma de cor<\/strong>. Anteriorment havia vist un embri\u00f3 amb dos caps, per\u00f2 mai havia observat dos cors en un!\u00bb.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-color has-cyan-bluish-gray-color wp-block-paragraph\">Vols veure la teva foto aqu\u00ed? Envia\u2019ns imatges relacionades amb la ci\u00e8ncia o la vida al PRBB a&nbsp;<a rel=\"noreferrer noopener\" href=\"mailto:ellipse@prbb.org\" target=\"_blank\">ellipse@prbb.org.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquesta bonica imatge que ens envia la Carla Belmonte Mateos, una investigadora del Departament de Ci\u00e8ncies Experimentals i de la Salut, Universitat Pompeu Fabra (DCEXS-UPF) ens mostra un impressionant exemple d&#8217;embrions de peix zebra siamesos. La Carla treballa al laboratori dirigit per la Cristina Pujades, on estudien el desenvolupament del sistema nervi\u00f3s central embrionari (SNC) [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":20195,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[263,273,406,247],"new-type":[40],"class_list":["post-20194","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-cervell","tag-melis-upf-ca","tag-neurodesenvolupament","tag-peix-zebra","new-type-foto-de-la-setmana"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/20194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=20194"}],"version-history":[{"count":7,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/20194\/revisions"}],"predecessor-version":[{"id":20383,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/20194\/revisions\/20383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/20195"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=20194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=20194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=20194"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=20194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}