{"id":38605,"date":"2023-10-16T14:04:04","date_gmt":"2023-10-16T12:04:04","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=38605"},"modified":"2023-10-16T14:35:00","modified_gmt":"2023-10-16T12:35:00","slug":"diminutes-criatures-marines-que-revelen-lorigen-de-les-neurones","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/diminutes-criatures-marines-que-revelen-lorigen-de-les-neurones\/","title":{"rendered":"Diminutes criatures marines que revelen l&#8217;origen de les neurones"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Aquesta <strong>imatge de microsc\u00f2pia confocal<\/strong>, de Sebastian R. Najle, pertany a una diminuta criatura marina, <em>Trichoplax <\/em>sp.<em> H2<\/em>, que ha protagonitzat un recent estudi realitat al <a rel=\"noopener noreferrer\" href=\"http:\/\/www.crg.eu\/\" target=\"_blank\">Centre de Regulaci\u00f3 Gen\u00f2mica (CRG)<\/a> i dirigit per <a rel=\"noopener noreferrer\" href=\"https:\/\/ellipse.prbb.org\/ca\/investigadors-del-prbb-sequenciaran-el-genoma-de-quatre-especies-endemiques-pel-projecte-del-biogenoma-de-la-terra\/\" target=\"_blank\"><strong>Arnau Sebe-Pedr\u00f3s<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L<a rel=\"noopener noreferrer\" href=\"https:\/\/www.crg.eu\/en\/news\/tiny-sea-creatures-reveal-ancient-origins-neurons\" target=\"_blank\">&#8216;estudi<\/a> posa llum sobre l&#8217;<strong>evoluci\u00f3 de les neurones<\/strong> centrant-se en els <strong>placozous<\/strong>, diminuts animals marins de la grand\u00e0ria d&#8217;un gra de sorra que no tenen \u00f2rgans i es creu que van apar\u00e9ixer a la Terra fa uns <strong>800 milions d&#8217;anys<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;equip investigador ha creat un mapa dels diferents tipus de c\u00e8l\u00b7lules de placozous al llarg de quatre esp\u00e8cies (<strong><em>Trichoplax sp. H2<\/em><\/strong> entre elles) i ha descobert que els <strong>placozous coordinen el seu comportament mitjan\u00e7ant c\u00e8l\u00b7lules peptid\u00e8rgiques<\/strong>, que <strong>alliberen petits p\u00e8ptids<\/strong> que dirigeixen el moviment i l&#8217;alimentaci\u00f3 de l&#8217;animal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La investigaci\u00f3 tamb\u00e9 ha demostrat que el <strong>desenvolupament de les c\u00e8l\u00b7lules peptid\u00e8rgiques<\/strong> als placozous s&#8217;<strong>assembla a la neurog\u00e8nesi<\/strong>, el proc\u00e9s pel qual es formen noves neurones en animals m\u00e9s avan\u00e7ats.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>L&#8217;estudi suggereix una connexi\u00f3 evolutiva entre les c\u00e8l\u00b7lules peptid\u00e8rgiques dels placozous i les neurones<\/p><\/blockquote>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A partir d&#8217;aquestes i altres similituds, l&#8217;estudi suggereix una <strong>connexi\u00f3 evolutiva entre les c\u00e8l\u00b7lules peptid\u00e8rgiques i les neurones<\/strong>, tot i que els autors subratllen la import\u00e0ncia de continuar investigant i seq\u00fcenciant el genoma en diverses esp\u00e8cies per descobrir m\u00e9s sobre els or\u00edgens i l&#8217;evoluci\u00f3 de les neurones i altres tipus cel\u00b7lulars.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El treball s&#8217;ha realitzat en col\u00b7laboraci\u00f3 amb el laboratori de Luis Serrano (CRG), el laboratori de Schierwater (Universitat de Hannover) i el laboratori de Gruber-Vodicka (Universitat de Kiel), i amb el suport de la <a href=\"https:\/\/www.crg.eu\/en\/programmes-groups\/crgupf-proteomics-unit\" target=\"_blank\" rel=\"noopener noreferrer\">Unitat de Prote\u00f2mica<\/a> i la <a href=\"https:\/\/www.crg.eu\/en\/programmes-groups\/advanced-light-microscopy-unit\" target=\"_blank\" rel=\"noopener noreferrer\">Unitat de Microsc\u00f2pia Lleugera Avan\u00e7ada<\/a> del CRG.<\/p>\n\n\n\n<div style=\"height:57px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquesta imatge de microsc\u00f2pia confocal, de Sebastian R. Najle, pertany a una diminuta criatura marina, Trichoplax sp. H2, que ha protagonitzat un recent estudi realitat al Centre de Regulaci\u00f3 Gen\u00f2mica (CRG) i dirigit per Arnau Sebe-Pedr\u00f3s. L&#8216;estudi posa llum sobre l&#8217;evoluci\u00f3 de les neurones centrant-se en els placozous, diminuts animals marins de la grand\u00e0ria d&#8217;un [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":38376,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[265,283,706,317],"new-type":[40],"class_list":["post-38605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-crg-ca","tag-evolucio","tag-genomica","tag-neurobiologia","new-type-foto-de-la-setmana"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/38605","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=38605"}],"version-history":[{"count":4,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/38605\/revisions"}],"predecessor-version":[{"id":38623,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/38605\/revisions\/38623"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/38376"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=38605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=38605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=38605"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=38605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}