{"id":1989,"date":"2025-01-03T16:45:00","date_gmt":"2025-01-03T16:45:00","guid":{"rendered":"https:\/\/www.gvs.com.br\/life-sciences\/?p=1989"},"modified":"2025-10-02T17:23:33","modified_gmt":"2025-10-02T17:23:33","slug":"extracao-de-dna-e-rna","status":"publish","type":"post","link":"https:\/\/www.gvs.com.br\/life-sciences\/2025\/01\/03\/extracao-de-dna-e-rna\/","title":{"rendered":"Extra\u00e7\u00e3o de DNA e RNA: saiba como \u00e9 realizada"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-8556d22c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-62d72bed\"><h1 class=\"uagb-heading-text\">Extra\u00e7\u00e3o de DNA e RNA: saiba como \u00e9 realizada<\/h1><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-cca09862\"><h2 class=\"uagb-heading-text\">Descubra como o procedimento \u00e9 feito, e qual a melhor forma de aplic\u00e1-lo.<\/h2><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Um dos passos primordiais para os processos envolvendo a biologia molecular em diversos segmentos, seja laboratorial ou investiga\u00e7\u00e3o forense, \u00e9 a extra\u00e7\u00e3o de DNA e RNA.<\/p>\n\n\n\n<p>O m\u00e9todo foi estabelecido para isolar as mol\u00e9culas de DNA, retiradas de materiais org\u00e2nicos, como: sangue, saliva, urina entre outros fluidos corporais.<\/p>\n\n\n\n<p>A extra\u00e7\u00e3o do DNA \u00e9 o processo de isolamento do componente do material org\u00e2nico coletado, e ele pode ser realizado em diversos tipos de organismos e de diferentes formas.<\/p>\n\n\n\n<p>Por\u00e9m, cada um dos m\u00e9todos tem uma aplica\u00e7\u00e3o diferente, por isso, definir as caracter\u00edsticas do procedimento, assim como, os resultados esperados, \u00e9 de extrema import\u00e2ncia para a aplica\u00e7\u00e3o do processo.<\/p>\n\n\n\n<p>Tem d\u00favidas sobre como s\u00e3o realizadas as etapas do processo de extra\u00e7\u00e3o de DNA?<\/p>\n\n\n\n<p>Acompanhe o texto e descubra todos os crit\u00e9rios para a realiza\u00e7\u00e3o do procedimento e quais as principais formas de aplic\u00e1-lo!<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-fa919713fafcd0dbe1f4c39da650e4dc\">O que \u00e9 DNA?<\/h2>\n\n\n\n<p>O \u00e1cido desoxirribonucleico, tamb\u00e9m conhecido como DNA, est\u00e1 diretamente relacionado com as caracter\u00edsticas fisiol\u00f3gicas e, at\u00e9 mesmo, f\u00edsicas de um indiv\u00edduo.<\/p>\n\n\n\n<p>O DNA, est\u00e1 presente em organismos eucariontes, onde \u00e9 encontrado no n\u00facleo das c\u00e9lulas e nas organelas, ou seja, as mitoc\u00f4ndrias.<\/p>\n\n\n\n<p>O composto tamb\u00e9m se encontra em organismos procariontes, presente no citoplasma da c\u00e9lula de maneira dispersa.<\/p>\n\n\n\n<p>Sua composi\u00e7\u00e3o, assim como a do RNA, \u00e9 constitu\u00edda pelo \u00e1cido nucleico, que \u00e9 uma estrutura formada pelo nucleot\u00eddeo que, por sua vez, s\u00e3o formados por uma base nitrogenada, um a\u00e7\u00facar e um fosfato.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-36ec27531624e627cf3ee92cbfdf95b6\">A estrutura do DNA<\/h3>\n\n\n\n<p>Apesar de ter sido descoberto em 1969, a estrutura do DNA j\u00e1 havia sido proposta pelos cientistas Watson e Crick, em 1953, em uma publica\u00e7\u00e3o na revista Nature.<\/p>\n\n\n\n<p>O que conhecemos hoje como modelo de&nbsp;<strong>dupla h\u00e9lice<\/strong>, composto por dois filamentos unidos e enrolados, no formato de uma espiral.<\/p>\n\n\n\n<p>Os filamentos, s\u00e3o compostos por nucleot\u00eddeos e conectados por liga\u00e7\u00f5es fosfodi\u00e9ster.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-0632ec30c09bb6197e0064bb0c07454a\">Replica\u00e7\u00e3o e transcri\u00e7\u00e3o<\/h3>\n\n\n\n<p>O DNA \u00e9 capaz de realizar as fun\u00e7\u00f5es de replica\u00e7\u00e3o e transcri\u00e7\u00e3o. No processo de replica\u00e7\u00e3o, a mol\u00e9cula de DNA se abre e, em cada fita presente em sua composi\u00e7\u00e3o, \u00e9 sintetizado uma fita nova.<\/p>\n\n\n\n<p>Caracterizado como&nbsp;<strong>semiconservativa<\/strong>, o processo resulta em duas novas mol\u00e9culas de DNA, formados por uma fita nova e uma velha.<\/p>\n\n\n\n<p>Al\u00e9m disso, \u00e9 poss\u00edvel que a mol\u00e9cula de DNA realize o processo de transcri\u00e7\u00e3o, que consiste na utiliza\u00e7\u00e3o de uma das fitas como molde para a forma\u00e7\u00e3o do RNA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-fa54a9fffd3561a1accfcd1364661f6c\">Diferen\u00e7a entre DNA e RNA<\/h3>\n\n\n\n<p>Como explicado, o DNA \u00e9 respons\u00e1vel pelo desenvolvimento das caracter\u00edsticas de um organismo, mas, qual a diferen\u00e7a quando comparado ao termo RNA?<\/p>\n\n\n\n<p>O RNA, \u00e9 respons\u00e1vel pela produ\u00e7\u00e3o de prote\u00edna, ou seja, garante que as informa\u00e7\u00f5es do DNA sejam traduzidas para a subst\u00e2ncia.<\/p>\n\n\n\n<p>Por\u00e9m, o DNA e o RNA, possuem fun\u00e7\u00e3o parecida, isso porque, atuam no armazenamento, transporte e utiliza\u00e7\u00e3o das informa\u00e7\u00f5es gen\u00e9ticas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-560856acae23f82e3eb9f2c1303133e2\">Aplica\u00e7\u00e3o do processo de extra\u00e7\u00e3o de DNA<\/h2>\n\n\n\n<p>Como dito anteriormente, o processo de extra\u00e7\u00e3o do DNA de amostras biol\u00f3gicas, \u00e9 de extrema import\u00e2ncia para o desenvolvimento de projetos nas \u00e1reas de biotecnologia, m\u00e9dica e forense.<\/p>\n\n\n\n<p>O estudo do processo, pode identificar causas de doen\u00e7as gen\u00e9ticas, apontar graus de parentesco entre indiv\u00edduos, assim como, analisar v\u00edrus e bact\u00e9rias.<\/p>\n\n\n\n<p>Al\u00e9m disso, o procedimento de extra\u00e7\u00e3o de DNA e RNA, \u00e9 muito importante para a cria\u00e7\u00e3o de organismos modificados geneticamente.<\/p>\n\n\n\n<p>Esse recurso, pode ser aplicado na produ\u00e7\u00e3o de insulina, antibi\u00f3ticos e horm\u00f4nios entre outros.<\/p>\n\n\n\n<p>Dessa forma, o processo \u00e9 a primeira etapa de diversos procedimentos do setor biomolecular, por isso, \u00e9 uma etapa fundamental dos protocolos que usam a&nbsp;<strong>Rea\u00e7\u00e3o em Cadeia da Polimerase (PCR)<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"323\" src=\"https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/10\/meio-life-science-extracao-de-dna-e-rna-1024x323.png\" alt=\"\" class=\"wp-image-2005\" srcset=\"https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/10\/meio-life-science-extracao-de-dna-e-rna-1024x323.png 1024w, https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/10\/meio-life-science-extracao-de-dna-e-rna-300x95.png 300w, https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/10\/meio-life-science-extracao-de-dna-e-rna-768x242.png 768w, https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/10\/meio-life-science-extracao-de-dna-e-rna.png 1110w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-816b0da17f446fcdd181642a507eddf8\">Etapas para realizar a extra\u00e7\u00e3o de DNA<\/h2>\n\n\n\n<p>Existem algumas etapas fundamentais para o isolamento e purifica\u00e7\u00e3o do DNA, antes que seja aplicado nos estudos ao qual \u00e9 destinado.<\/p>\n\n\n\n<p>Entre os passos necess\u00e1rios, est\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Etapa de Lise:\u00a0<\/strong>a primeira etapa do processo consiste na quebra da c\u00e9lula de estudo para expor o DNA;<\/li>\n\n\n\n<li><strong>Liga\u00e7\u00e3o:\u00a0<\/strong>\u00e9 a etapa de utilizada para reter e concentrar o DNA atrav\u00e9s de uma membrana composta por s\u00edlica;<\/li>\n\n\n\n<li><strong>Lavagem:\u00a0<\/strong>por meio da utiliza\u00e7\u00e3o de subst\u00e2ncias detergentes e, tamb\u00e9m, da centrifuga\u00e7\u00e3o, \u00e9 realizada a quebra e emulsifica\u00e7\u00e3o das gorduras e prote\u00ednas que formam a membrana da c\u00e9lula;<\/li>\n\n\n\n<li><strong>Elui\u00e7\u00e3o:\u00a0<\/strong>essa \u00e9 a etapa de libera\u00e7\u00e3o dos \u00e1cidos nucl\u00e9icos, o que proporciona o DNA purificado, pronto para a aplica\u00e7\u00e3o em diversas procedimentos.<\/li>\n<\/ul>\n\n\n\n<p>Al\u00e9m da aten\u00e7\u00e3o a todas as etapas do processo, a escolha do kit utilizado, \u00e9 de extrema import\u00e2ncia para a obten\u00e7\u00e3o dos resultados esperados.<\/p>\n\n\n\n<p>Esse fator, \u00e9 de grande influ\u00eancia na qualidade e rendimento do DNA obtido no decorrer do processo de extra\u00e7\u00e3o, por isso, a obten\u00e7\u00e3o de resultados satisfat\u00f3rios, \u00e9 essencial para as etapas que se sucedem.<\/p>\n\n\n\n<p>Pensando nisso, contamos com kits de extra\u00e7\u00e3o que s\u00e3o capazes de apresentar resultados eficientes e r\u00e1pidos na extra\u00e7\u00e3o de DNA e RNA de diversos tipos de amostra.<\/p>\n\n\n\n<p>Por exemplo, o\u00a0<a href=\"https:\/\/www.gvs.com.br\/life-sciences\/biologia-molecular-kit-de-extracao-dna-rna-flame-beads-viral\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kit de extra\u00e7\u00e3o DNA\/RNA FLAME BEADS VIRAL<\/a>, presente em nosso cat\u00e1logo, proporciona isolamento r\u00e1pido do DNA e RNA do composto biol\u00f3gico.<\/p>\n\n\n\n<p>Dessa forma, \u00e9 capaz de garantir efici\u00eancia e otimizar o processo de extra\u00e7\u00e3o de DNA e, tamb\u00e9m, sua purifica\u00e7\u00e3o, para obten\u00e7\u00e3o de resultados satisfat\u00f3rios para o estudo.<\/p>\n\n\n\n<p>Para saber mais sobre nossas solu\u00e7\u00f5es para a realiza\u00e7\u00e3o do procedimento, acesse\u00a0<a href=\"https:\/\/www.gvs.com.br\/life-sciences\/\" target=\"_blank\" rel=\"noreferrer noopener\">nosso site<\/a>\u00a0e descubra como garantir resultados eficientes para as \u00e1reas de biotecnologia, m\u00e9dica e forense.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-02953239edc821ae5923646c272e2a15\">A GVS<\/h2>\n\n\n\n<p>A GVS atua desde 1979 na fabrica\u00e7\u00e3o de filtros para diversas setores como: industrial, pesquisa e m\u00e9dico, sempre atendendo as demandas de nossos clientes, com a oferta de solu\u00e7\u00f5es eficientes.<\/p>\n\n\n\n<p>Esse fato, \u00e9 resultado da implementa\u00e7\u00e3o de um sistema de rigoroso de auditoria constante. Al\u00e9m disso, prezamos pela evolu\u00e7\u00e3o constante dos meios de produ\u00e7\u00e3o.<\/p>\n\n\n\n<p>Dessa forma, nos tornamos refer\u00eancia na fabrica\u00e7\u00e3o de filtros, obtendo reconhecimento mundial pela qualidade dos produtos oferecidos.<\/p>\n\n\n\n<p>Al\u00e9m disso, buscamos a excel\u00eancia dos processos de fabrica\u00e7\u00e3o pertencentes \u00e0 confec\u00e7\u00e3o de nossos produtos, atrav\u00e9s do desenvolvimento tecnol\u00f3gico.<\/p>\n\n\n\n<p>A responsabilidade social e ambiental \u00e9 de grande import\u00e2ncia para n\u00f3s, e \u00e9 levada a s\u00e9rio, com o mesmo esp\u00edrito presente no desenvolvimento de nossas atividades.<\/p>\n\n\n\n<p>Gostou do tema e quer saber mais sobre o assunto? Acesse\u00a0<a href=\"https:\/\/www.gvs.com.br\/life-sciences\/blog\/\" target=\"_blank\" rel=\"noreferrer noopener\">nosso blog<\/a>\u00a0e fique por dentro de todas as novidades sobre o mercado atual!<\/p>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-6ec145c0\"><div class=\"uagb-separator-spacing-wrapper\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-call-to-action uagb-block-da331e7c wp-block-button\"><div class=\"uagb-cta__wrap\"><h3 class=\"uagb-cta__title\">Fale com a gente!<\/h3><p class=\"uagb-cta__desc\">Entre em contato com o nosso time hoje mesmo, esclare\u00e7a as suas d\u00favidas e <strong>solicite a sua cota\u00e7\u00e3o!<\/strong><\/p><\/div><div class=\"uagb-cta__buttons\"><a href=\"https:\/\/wa.me\/5519997710045\" class=\"uagb-cta__button-link-wrapper wp-block-button__link\" target=\"_blank\" rel=\"noopener noreferrer\">WhastApp<\/a><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-ee9b8592\"><div class=\"uagb-separator-spacing-wrapper\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-call-to-action uagb-block-5a340998 wp-block-button\"><div class=\"uagb-cta__wrap\"><h3 class=\"uagb-cta__title\">Fique por dentro das novidades!<\/h3><p class=\"uagb-cta__desc\">Acesse e conhe\u00e7a a Linha Completa de<strong>&nbsp;Life Sciences da GVS<\/strong>.<\/p><\/div><div class=\"uagb-cta__buttons\"><a href=\"https:\/\/www.gvs.com.br\/life-sciences\" class=\"uagb-cta__button-link-wrapper wp-block-button__link\" target=\"_blank\" rel=\"noopener noreferrer\">Acesse J\u00e1!<\/a><\/div><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Extra\u00e7\u00e3o de DNA e RNA: saiba como \u00e9 realizada Descubra como o procedimento \u00e9 feito, e qual a melhor forma [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2004,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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