{"id":9478,"date":"2021-01-05T23:20:51","date_gmt":"2021-01-06T04:20:51","guid":{"rendered":"https:\/\/nebula.org\/blog\/intro-to-dna-testmethoden\/"},"modified":"2021-02-20T20:56:35","modified_gmt":"2021-02-21T01:56:35","slug":"intro-to-dna-testmethoden","status":"publish","type":"post","link":"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/","title":{"rendered":"Einf\u00fchrung in DNA-Testmethoden"},"content":{"rendered":"\n<p><em>Herausgegeben von Christina Swords, Ph.D.<\/em><\/p>\n\n<p>Gentests waren noch nie einfacher. DNA-Testdienste zu Hause erfreuen sich immer gr\u00f6\u00dferer Beliebtheit, um mehr \u00fcber Ihre Vorfahren und vererbten Merkmale zu erfahren. Es kann jedoch \u00fcberw\u00e4ltigend sein, alle Unternehmen und DNA-Testtypen zu durchsuchen, um den besten DNA-Test zu finden. Hier geben wir Ihnen einen kurzen \u00dcberblick \u00fcber die verschiedenen Arten von DNA-Tests. <br\/><\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-dna-testing-technologies\"><strong>DNA-Testtechnologien<\/strong><\/h2>\n\n<p>DNA-Microarrays und Next Generation Sequencing (NGS) sind zwei verschiedene Technologien, die \u00fcblicherweise f\u00fcr Gentests verwendet werden. Beide k\u00f6nnen verwendet werden, um genetische Informationen aus chromosomaler und mitochondrialer DNA auszulesen. DNA-Microarrays und NGS-Technologien funktionieren jedoch sehr unterschiedlich.<br\/><\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-dna-microarray-based-genotyping\">DNA Microarray-basierte Genotypisierung<\/h3>\n\n<p>DNA-Microarrays lesen DNA an einem definierten Satz von Positionen aus, von denen bekannt ist, dass sie zwischen Menschen variieren. Diese Positionen werden als Single Nucleotide Polymorphisms (SNPs) bezeichnet. Die meisten Gentestservices wie 23andMe und AncestryDNA verwenden die DNA-Microarray-Technologie, um Ihr Genom an ~ 500.000 Positionen zu profilieren (Genotyp). Dies sind weniger als 0,1% des gesamten menschlichen Genoms. Die Microarray-basierte Genotypisierung ist zwar sehr erschwinglich, es fehlen jedoch viele wichtige Informationen.<br\/><\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-next-generation-sequencing\"><strong>Sequenzierung der n\u00e4chsten Generation<\/strong><\/h3>\n\n<p>Next Generation Sequencing (NGS) ist eine Technologie, mit der gro\u00dfe Mengen genetischer Informationen sehr effizient gelesen werden k\u00f6nnen. NGS liest viele kleine DNA-Abschnitte und setzt sie dann zusammen, um eine kontinuierliche Sequenz zu bestimmen (Abbildung 1). Im Gegensatz zu DNA-Microarrays kann NGS verwendet werden, um ganze Genome anstelle nur einer kleinen Anzahl von Positionen auszulesen. W\u00e4hrend NGS viel mehr Daten produziert als Microarray-basierte Genotypisierung, ist es tendenziell teurer. Es gibt mehrere NGS-basierte DNA-Tests mit unterschiedlichen Preisen.<\/p>\n\n<figure class=\"wp-block-image alignfull size-large\"><img decoding=\"async\" width=\"1024\" height=\"624\" src=\"https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-1024x624.png\" alt=\"Sequenzierung der n&#xE4;chsten Generation\" class=\"wp-image-3066\" srcset=\"https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-1024x624.png 1024w, https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-300x183.png 300w, https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-768x468.png 768w, https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-1536x935.png 1536w, https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-16x10.png 16w, https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2.png 924w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p class=\"has-text-align-center\">Abbildung 1. Next Generation Sequencing (NGS). Bild mit freundlicher Genehmigung des National Human Genome Research Institute. <br\/><\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-ngs-based-dna-tests\"><strong>NGS-basierte DNA-Tests<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\" id=\"h-whole-exome-sequencing-wes\"><strong>Whole Exome Sequencing (WES)<\/strong><\/h3>\n\n<p>Whole Exome Sequencing (WES) liest ~ 1,5% des menschlichen Genoms aus, das f\u00fcr Proteine kodiert &#8211; molekulare Maschinen, die die meisten zellul\u00e4ren Funktionen ausf\u00fchren. Da WES nur einen kleinen Teil eines menschlichen Genoms abdeckt, ist es billiger als WGS. WES vermisst jedoch genetische Varianten, die au\u00dferhalb der Protein-kodierenden Regionen liegen und h\u00e4ufig wichtige regulatorische Funktionen haben. Dar\u00fcber hinaus ist die vollst\u00e4ndige Exomsequenzierung im Vergleich zur Microarray-basierten Genotypisierung immer noch recht teuer. Daher lautet unsere Antwort auf die Frage, ob die Sequenzierung des gesamten Genoms im Vergleich zur Sequenzierung des gesamten Exoms gew\u00e4hlt werden soll, die Sequenzierung des gesamten Genoms.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-whole-genome-sequencing-wgs\"><strong>Sequenzierung des gesamten Genoms (WGS)<\/strong><\/h3>\n\n<p>Mit der NGS-Technologie kann ein gesamtes menschliches Genom ausgelesen werden. Dies wird als Whole Genome Sequencing (WGS) bezeichnet. Es erm\u00f6glicht eine unvoreingenommene, umfassende Entdeckung genetischer Varianten und liefert tiefere Einblicke in das pers\u00f6nliche Erbgut. Zus\u00e4tzlich zum Lesen des gesamten Genoms wird jede Position h\u00e4ufig mehrmals gelesen, um die Ergebnisgenauigkeit zu erh\u00f6hen. Zum Beispiel wird WGS typischerweise bei 30-facher Abdeckung (Tiefe) durchgef\u00fchrt, was bedeutet, dass im Durchschnitt jede Position im Genom 30 Mal gelesen wird. Dies macht WGS viel teurer als Microarray-basierte Genotypisierung. <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-nebula-genomics\"><strong>Nebula Genomics<\/strong><\/h2>\n\n<p>Unsere Mission bei Nebula Genomics ist es, die pers\u00f6nliche Genomsequenzierung f\u00fcr jedermann erschwinglich zu machen. Im Februar 2020 haben wir mit den Kosten von einen wichtigen Meilenstein erreicht<a href=\"https:\/\/nebula.org\/whole-genome-sequencing\/\"> 30x Gesamtgenomsequenzierung unter 300 USD<\/a> . Dies bringt die Kosten f\u00fcr die Sequenzierung des pers\u00f6nlichen Genoms nahe an die Kosten f\u00fcr viel weniger umfassende Gentests. <\/p>\n\n<p>M\u00f6chten Sie mehr dar\u00fcber erfahren, wie DNA-Testtechnologien angewendet werden? Schauen Sie sich unsere an<a href=\"https:\/\/nebula.org\/blog\/de\/vaterschaftstest\/\"> Einf\u00fchrung in Vaterschaftstests<\/a> !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Herausgegeben von Christina Swords, Ph.D. Gentests waren noch nie einfacher. DNA-Testdienste zu Hause erfreuen sich immer gr\u00f6\u00dferer Beliebtheit, um mehr \u00fcber Ihre Vorfahren und vererbten Merkmale zu erfahren. Es kann jedoch \u00fcberw\u00e4ltigend sein, alle Unternehmen und DNA-Testtypen zu durchsuchen, um &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"ast-button\" href=\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\"> <span class=\"screen-reader-text\">Einf\u00fchrung in DNA-Testmethoden<\/span> Read More \u00bb<\/a><\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"site-sidebar-layout":"default","site-content-layout":"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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","_FSMCFIC_featured_image_caption":"","_FSMCFIC_featured_image_nocaption":"","_FSMCFIC_featured_image_hide":"","footnotes":""},"categories":[4978],"tags":[],"class_list":["post-9478","post","type-post","status-publish","format-standard","hentry","category-wissenschaft"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Einf\u00fchrung in DNA-Testmethoden - Nebula Genomics Blog<\/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:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Einf\u00fchrung in DNA-Testmethoden - Nebula Genomics Blog\" \/>\n<meta property=\"og:description\" content=\"Herausgegeben von Christina Swords, Ph.D. Gentests waren noch nie einfacher. DNA-Testdienste zu Hause erfreuen sich immer gr\u00f6\u00dferer Beliebtheit, um mehr \u00fcber Ihre Vorfahren und vererbten Merkmale zu erfahren. Es kann jedoch \u00fcberw\u00e4ltigend sein, alle Unternehmen und DNA-Testtypen zu durchsuchen, um &hellip; Einf\u00fchrung in DNA-Testmethoden Read More \u00bb\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\" \/>\n<meta property=\"og:site_name\" content=\"Nebula Genomics Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/nebulagenomics\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-06T04:20:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-21T01:56:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nebula.org\/blog\/wp-content\/uploads\/2020\/12\/kevin2-1024x624.png\" \/>\n<meta name=\"author\" content=\"Christina Swords, Ph.D.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@nebulagenomics\" \/>\n<meta name=\"twitter:site\" content=\"@nebulagenomics\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Christina Swords, Ph.D.\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"3\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\"},\"author\":{\"name\":\"Christina Swords, Ph.D.\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/#\/schema\/person\/97db973a52b62c2cb68bcf104374a772\"},\"headline\":\"Einf\u00fchrung in DNA-Testmethoden\",\"datePublished\":\"2021-01-06T04:20:51+00:00\",\"dateModified\":\"2021-02-21T01:56:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\"},\"wordCount\":552,\"publisher\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/#organization\"},\"articleSection\":[\"Wissenschaft\"],\"inLanguage\":\"de\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\",\"url\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\",\"name\":\"Einf\u00fchrung in DNA-Testmethoden - Nebula Genomics Blog\",\"isPartOf\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/#website\"},\"datePublished\":\"2021-01-06T04:20:51+00:00\",\"dateModified\":\"2021-02-21T01:56:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/intro-to-dna-testmethoden\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/nebula.org\/blog\/de\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Einf\u00fchrung in DNA-Testmethoden\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/#website\",\"url\":\"https:\/\/nebula.org\/blog\/de\/\",\"name\":\"Nebula Genomics Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/nebula.org\/blog\/de\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/#organization\",\"name\":\"Nebula Genomics\",\"url\":\"https:\/\/nebula.org\/blog\/de\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/#\/schema\/logo\/image\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Nebula Genomics\"},\"image\":{\"@id\":\"https:\/\/nebula.org\/blog\/de\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/facebook.com\/nebulagenomics\",\"https:\/\/twitter.com\/nebulagenomics\",\"https:\/\/www.instagram.com\/nebulagenomics\/\",\"https:\/\/www.linkedin.com\/company\/nebula-genomics\/\",\"https:\/\/en.wikipedia.org\/wiki\/Nebula_Genomics\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/#\/schema\/person\/97db973a52b62c2cb68bcf104374a772\",\"name\":\"Christina Swords, Ph.D.\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/nebula.org\/blog\/de\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/nebula.org\/blog\/wp-content\/uploads\/2021\/01\/marvin_head_shot_-_christina_marvin-150x150.jpg\",\"contentUrl\":\"https:\/\/nebula.org\/blog\/wp-content\/uploads\/2021\/01\/marvin_head_shot_-_christina_marvin-150x150.jpg\",\"caption\":\"Christina Swords, Ph.D.\"},\"description\":\"Christina Swords is a Graduate Medical Education Coordinator at the University of Wisconsin\u2013Madison. 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