{"id":300127,"date":"2023-02-27T00:55:56","date_gmt":"2023-02-27T03:55:56","guid":{"rendered":"https:\/\/www.notibras.com\/site\/?p=300127"},"modified":"2023-02-27T00:55:56","modified_gmt":"2023-02-27T03:55:56","slug":"dna-misterioso-descoberto-no-deserto-de-atacama","status":"publish","type":"post","link":"https:\/\/www.notibras.com\/site\/dna-misterioso-descoberto-no-deserto-de-atacama\/","title":{"rendered":"DNA misterioso descoberto no deserto de Atacama"},"content":{"rendered":"<p>Fragmentos fascinantes de DNA de uma mistura de micr\u00f3bios foram encontrados por pesquisadores no deserto de Atacama, no Chile. Mas o que torna a descoberta especial \u00e9 que nove por cento da mistura do fragmento gen\u00e9tico pertence a organismos &#8220;desconhecidos pela ci\u00eancia&#8221;, de acordo com um relat\u00f3rio publicado na revista <em>Nature Communications.<\/em><\/p>\n<p>Esses organismos fazem parte do chamado \u201cmicrobioma escuro\u201d \u2013 bact\u00e9rias \u201ct\u00e3o estranhas e diferentes\u201d que os pesquisadores n\u00e3o conseguiram determinar com o que estavam relacionadas.<\/p>\n<p>\u201cEm quase metade dos casos, os bancos de dados n\u00e3o podiam dizer claramente o que t\u00ednhamos em nossas m\u00e3os\u201d, disse o microbiologista do Centro de Astrobiologia de Madri e pesquisador principal Armando Azua-Bustos. O pesquisador acreditava que esse material gen\u00e9tico intrigante provinha de formas de vida h\u00e1 muito extintas e, portanto, nunca foi documentado.<\/p>\n<p>Embora a pesquisa deva continuar, \u00e9 importante ressaltar que as descobertas do Atacama alimentam a busca cont\u00ednua por vest\u00edgios de vida alien\u00edgena em Marte . O estudo mostra que certas quantidades de vest\u00edgios biol\u00f3gicos podem ser obtidas at\u00e9 mesmo de um ambiente \u00e1rido como o deserto de Atacama, de modo que as rochas secas de Marte ainda podem trazer avan\u00e7os.<\/p>\n<p>Adaptadas para identificar ambientes potencialmente habit\u00e1veis, miss\u00f5es como Mars Exploration Rovers, Mars Science Laboratory (MSL) e Mars2020 ampliaram locais com evid\u00eancias geomorfol\u00f3gicas sugerindo rios e lagos antigos no planeta vermelho. No Deserto do Atacama, o local da Pedra Vermelha costumava ser um delta de rio h\u00e1 mais de 100 milh\u00f5es de anos, quando os dinossauros percorriam o planeta. O local ecoa um planalto em Marte dentro da Cratera Jezero que o Perseverance est\u00e1 explorando.<\/p>\n<p>\u201cSabemos que h\u00e1 coisas para detectar\u201d, disse Azua-Bustos, acrescentando que os melhores instrumentos de laborat\u00f3rio avan\u00e7ados poss\u00edveis na Terra investigariam os mist\u00e9rios das amostras de solo marciano desenterradas pelo rover Perseverance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fragmentos fascinantes de DNA de uma mistura de micr\u00f3bios foram encontrados por pesquisadores no deserto de Atacama, no Chile. Mas o que torna a descoberta especial \u00e9 que nove por cento da mistura do fragmento gen\u00e9tico pertence a organismos &#8220;desconhecidos pela ci\u00eancia&#8221;, de acordo com um relat\u00f3rio publicado na revista Nature Communications. Esses organismos fazem [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":300128,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[155],"tags":[95],"class_list":["post-300127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-leitura-vip","tag-capa"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DNA misterioso descoberto no deserto de Atacama - Notibras<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.notibras.com\/site\/dna-misterioso-descoberto-no-deserto-de-atacama\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNA misterioso descoberto no deserto de Atacama - Notibras\" \/>\n<meta property=\"og:description\" content=\"Fragmentos fascinantes de DNA de uma mistura de micr\u00f3bios foram encontrados por pesquisadores no deserto de Atacama, no Chile. Mas o que torna a descoberta especial \u00e9 que nove por cento da mistura do fragmento gen\u00e9tico pertence a organismos &#8220;desconhecidos pela ci\u00eancia&#8221;, de acordo com um relat\u00f3rio publicado na revista Nature Communications. 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