{"id":13303,"date":"2020-03-11T19:22:47","date_gmt":"2020-03-11T18:22:47","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=13303"},"modified":"2020-03-11T19:22:09","modified_gmt":"2020-03-11T18:22:09","slug":"la-combinacio-dinformacio-genetica-i-genealogica-permet-identificar-tombes-sense-nom","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/la-combinacio-dinformacio-genetica-i-genealogica-permet-identificar-tombes-sense-nom\/","title":{"rendered":"La combinaci\u00f3 d&#8217;informaci\u00f3 gen\u00e8tica i geneal\u00f2gica permet identificar tombes sense nom"},"content":{"rendered":"<p><a href=\"https:\/\/www.upf.edu\/web\/biomed\/news\/-\/asset_publisher\/CRcETTCV7Uyn\/content\/id\/232799013\/maximized\" target=\"_blank\" rel=\"noopener\">Un estudi<\/a> en el que s&#8217;ha combinat\u00a0<strong>informaci\u00f3 geneal\u00f2gica<\/strong> de BALSAC (base de dades de Quebec, Canad\u00e0) i\u00a0<strong>informaci\u00f3 gen\u00e8tica<\/strong> de m\u00e9s de 960 quebequeses moderns ha perm\u00e8s identificar a milers d&#8217;individus que descansen en sepultures an\u00f2nimes a cementiris de la prov\u00edncia canadenca. El Servei de Gen\u00f2mica del\u00a0<a href=\"https:\/\/www.upf.edu\/web\/biomed\" target=\"_blank\" rel=\"noopener\">Departament de Ci\u00e8ncies Experimentals i de la Salut, Universitat Pompeu Fabra (DCEXS-UPF)<\/a>\u00a0ha participat a l&#8217;estudi encarregant-se de l&#8217;<a href=\"https:\/\/ellipse.prbb.org\/ca\/desxifrant-el-mosaic-genetic-dels-darrers-8-000-anys-a-la-peninsula-iberica\/\" target=\"_blank\" rel=\"noopener\"><strong>extracci\u00f3 de mostres d&#8217;ADN<\/strong><\/a> i la seva posterior an\u00e0lisi.<\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>A Quebec, les l\u00e0pides no van ser habituals fins la segona meitat del segle XIX. Per aquest motiu, a dia d&#8217;avui existeixen moltes tombes an\u00f2nimes als cementiris hist\u00f2rics de la prov\u00edncia. Un recent estudi ha perm\u00e8s identificar aquestes tombes sense nom.<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<p>La base de dades BALSAC cont\u00e9 les\u00a0<strong>relacions geneal\u00f2giques<\/strong> que uneixen a\u00a0<strong>cinc milions d&#8217;individus<\/strong>, la gran majoria casats a Quebec durant els \u00faltims quatre segles. Aquesta informaci\u00f3, juntament amb la continguda a dos marcadors gen\u00e8tics, ha sigut clau per accedir al perfil gen\u00e8tic de la poblaci\u00f3 hist\u00f2rica de la prov\u00edncia canadenca. Els marcadors escollits han sigut el\u00a0<a href=\"https:\/\/ellipse.prbb.org\/ca\/sis-gens-del-cromosoma-y-podrien-explicar-laugment-de-risc-dels-homes-a-patir-cancer\/\" target=\"_blank\" rel=\"noopener\"><strong>cromosoma Y<\/strong><\/a> i l&#8217;<strong>ADN mitocondrial<\/strong>, ja que:<\/p>\n<ul>\n<li>Es transmeten a la descend\u00e8ncia a trav\u00e9s d&#8217;un \u00fanic progenitor; el cromosoma Y el transmet el pare i l&#8217;ADN mitocondrial, la mare.<\/li>\n<li>Es tracta de dues mol\u00e8cules gen\u00e8tiques que s&#8217;hereten amb poques modificacions.<\/li>\n<\/ul>\n<p>Els investigadors van comparar els marcadors gen\u00e8tics de les restes hist\u00f2riques sense identificar amb els mateixos marcadors dels m\u00e9s de 960 quebequesos moderns que havien sigut genotipats a un estudi anterior. La combinaci\u00f3 d&#8217;aquesta informaci\u00f3 gen\u00e8tica juntament amb les dades de BALSAC ha perm\u00e8s\u00a0<strong>deduir els perfils gen\u00e8tics d&#8217;aproximadament 1,7 milions d&#8217;individus del Quebec hist\u00f2ric<\/strong>. No obstant, el primer autor de l&#8217;estudi, Tommy Harding, afirma que si s&#8217;augment\u00e9s el nombre d&#8217;individus moderns genotipats podrien identificar fins el 87% dels homes casats abans de 1850, i no nom\u00e9s el 12% com fins ara.<\/p>\n<p>Finalment, l&#8217;estudi del bagatge gen\u00e8tic de la poblaci\u00f3 de Quebec permetria tamb\u00e9, per un altre costat, avan\u00e7ar en el coneixement de l&#8217;<strong>epidemiologia de dolences gen\u00e8tiques<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un estudi en el que ha participat el Servei de Gen\u00f2mica del DCEXS-UPF ha perm\u00e8s identificar a milers d&#8217;individus les restes dels quals es troben en sepultures an\u00f2nimes a cementiris de la prov\u00edncia de Quebec.<\/p>\n","protected":false},"author":9,"featured_media":13297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[275,281,708,239,273],"new-type":[35],"class_list":["post-13303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-adn","tag-epidemiologia","tag-genetica","tag-genetica-de-poblacions","tag-melis-upf-ca","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/13303","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=13303"}],"version-history":[{"count":5,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/13303\/revisions"}],"predecessor-version":[{"id":13339,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/13303\/revisions\/13339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/13297"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=13303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=13303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=13303"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=13303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}