{"id":323756,"date":"2024-03-04T07:18:17","date_gmt":"2024-03-04T10:18:17","guid":{"rendered":"https:\/\/www.notibras.com\/site\/?p=323756"},"modified":"2024-03-04T08:32:16","modified_gmt":"2024-03-04T11:32:16","slug":"enigma-da-existencia-da-vida-comeca-a-ser-desvendado","status":"publish","type":"post","link":"https:\/\/www.notibras.com\/site\/enigma-da-existencia-da-vida-comeca-a-ser-desvendado\/","title":{"rendered":"Enigma da exist\u00eancia da vida come\u00e7a a ser desvendado"},"content":{"rendered":"<p>Qu\u00edmicos da University College London produziram pantetina em laborat\u00f3rio, um composto qu\u00edmico essencial \u00e0s origens da vida na Terra. As descobertas foram publicadas na revista cient\u00edfica Science.<\/p>\n<p>A pantetina, derivada da pantete\u00edna, \u00e9 a forma ativa da vitamina B5, tamb\u00e9m conhecida como \u00e1cido pantot\u00eanico. Desempenha um papel vital como componente prim\u00e1rio da coenzima A, facilitando o movimento das gorduras dentro das c\u00e9lulas e auxiliando na produ\u00e7\u00e3o de energia celular.<\/p>\n<p>As tentativas iniciais de produzir pantetina come\u00e7aram em 1995, mas os investigadores s\u00f3 conseguiram quantidades escassas do composto atrav\u00e9s de m\u00e9todos imposs\u00edveis na Terra pr\u00e9-hist\u00f3rica. Conseq\u00fcentemente, conclu\u00edram que a pantetina n\u00e3o teve parte na origem da vida.<\/p>\n<p>No entanto, este novo estudo realizado por cientistas brit\u00e2nicos sintetizou quantidades significativas de pantetina. Eles conseguiram isso usando \u00e1gua mantida em temperatura ambiente contendo cianeto de hidrog\u00eanio, um composto que poderia ser encontrado em abund\u00e2ncia na Terra nos tempos antigos.<\/p>\n<p>Os investigadores acreditam que a descoberta da pantetina oferece informa\u00e7\u00f5es sobre como a vida pode ter surgido no nosso planeta. Eles sugeriram que os lagos e outras grandes massas de \u00e1gua poderiam ter sido o ber\u00e7o da vida, e n\u00e3o os oceanos, com suas altas concentra\u00e7\u00f5es qu\u00edmicas.<\/p>\n<p>Investiga\u00e7\u00f5es cient\u00edficas anteriores tamb\u00e9m indicaram a possibilidade de vida pr\u00e9-hist\u00f3rica em Marte.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u00edmicos da University College London produziram pantetina em laborat\u00f3rio, um composto qu\u00edmico essencial \u00e0s origens da vida na Terra. As descobertas foram publicadas na revista cient\u00edfica Science. A pantetina, derivada da pantete\u00edna, \u00e9 a forma ativa da vitamina B5, tamb\u00e9m conhecida como \u00e1cido pantot\u00eanico. Desempenha um papel vital como componente prim\u00e1rio da coenzima A, facilitando [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":323757,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[155],"tags":[95],"class_list":["post-323756","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>Enigma da exist\u00eancia da vida come\u00e7a a ser desvendado - 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\/enigma-da-existencia-da-vida-comeca-a-ser-desvendado\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Enigma da exist\u00eancia da vida come\u00e7a a ser desvendado - Notibras\" \/>\n<meta property=\"og:description\" content=\"Qu\u00edmicos da University College London produziram pantetina em laborat\u00f3rio, um composto qu\u00edmico essencial \u00e0s origens da vida na Terra. 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