{"id":16591,"date":"2020-07-02T11:49:06","date_gmt":"2020-07-02T09:49:06","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=16591"},"modified":"2020-07-02T11:49:08","modified_gmt":"2020-07-02T09:49:08","slug":"troben-lorigen-dels-gossos-de-trineu-actuals-a-siberia-fa-9500-anys","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/troben-lorigen-dels-gossos-de-trineu-actuals-a-siberia-fa-9500-anys\/","title":{"rendered":"Troben l&#8217;origen dels gossos de trineu actuals a Sib\u00e8ria, fa 9500 anys"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Tot i les d\u00e8cades d&#8217;estudi, encara no hi ha un consens respecte <strong>quan i on es van domesticar els gossos per primer cop<\/strong>. Alguns estudis havien apuntat que llops i gossos van evolucionar d&#8217;un llinatge de llops ja desaparegut fa uns 15.000 anys. Ara, un equip de recerca liderat per l&#8217;<a rel=\"noreferrer noopener\" href=\"https:\/\/www.ibe.upf-csic.es\/\" target=\"_blank\">Institut de Biologia Evolutiva (IBE: CSIC-UPF)<\/a> i el Globe Institute a Copenhagen <a rel=\"noreferrer noopener\" href=\"https:\/\/www.ibe.upf-csic.es\/home\/-\/asset_publisher\/T2caeLMECPvW\/content\/id\/235863274\/maximized#.Xv2IfSgzZPZ\" target=\"_blank\">confirma en un estudi recentment publicat<\/a> a la revista <em>Science<\/em> que:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>L&#8217;<strong>ascend\u00e8ncia dels gossos de trineu actuals<\/strong> es remunta al <strong>principi de l&#8217;Holoc\u00e8 a Sib\u00e8ria<\/strong>.<\/li><li>Les adaptacions que defineixen els gossos de trineu actuals es van establir al <strong>nord-est \u00c0rtic asi\u00e0tic fa 9500 anys<\/strong>.<\/li><li>La combinaci\u00f3 d&#8217;aquests gossos adaptats al clima g\u00e8lid amb el desenvolupament dels trineus <strong>va facilitar la subsist\u00e8ncia humana<\/strong> al final del Plistoc\u00e8 a l&#8217;\u00c0rtic.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">El personal investigador ha realitzat un estudi gen\u00f2mic que ha perm\u00e8s aprofundir en com es va donar <strong>l&#8217;origen i la domesticaci\u00f3 primerenca dels gossos de trineu<\/strong>. Concretament, han dut a terme una <strong>an\u00e0lisi gen\u00f2mica<\/strong> d&#8217;una mand\u00edbula f\u00f2ssil de gos de 9500 anys d&#8217;antiguitat de l&#8217;illa de Zhokhov (Nova Sib\u00e8ria, R\u00fassia), de 10 gossos de trineu actuals i d&#8217;un f\u00f2ssil de llop de 30.000 anys de Sib\u00e8ria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;an\u00e0lisi gen\u00f2mica ha revelat que els gossos de trineu actuals mostren <strong>adaptacions a les condicions i l&#8217;activitat al clima \u00e0rtic als seus gens similars a les observades al f\u00f2ssil del gos de Zhokhov<\/strong>, en particular adaptacions a la temperatura, l&#8217;activitat f\u00edsica en condicions extremes i l&#8217;alimentaci\u00f3 pobra en mid\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aquest estudi podria ser d&#8217;utilitat en el desenvolupament de <strong>plans de conservaci\u00f3<\/strong> per als gossos de trineu, actualment <strong>en perill d&#8217;extinci\u00f3<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Un equip de recerca internacional liderat per l&#8217;IBE ha descobert que l\u2019avantpassat dels actuals gossos de trineu va apar\u00e8ixer al principi de l\u2019Holoc\u00e8 a l\u2019\u00c0rtic asi\u00e0tic.<\/p>\n","protected":false},"author":9,"featured_media":16599,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[283,706,211],"new-type":[35],"class_list":["post-16591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-evolucio","tag-genomica","tag-ibe-csic-upf","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/16591","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=16591"}],"version-history":[{"count":12,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/16591\/revisions"}],"predecessor-version":[{"id":16621,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/16591\/revisions\/16621"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/16599"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=16591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=16591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=16591"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=16591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}