{"id":2538,"date":"2026-09-04T18:14:33","date_gmt":"2026-09-04T18:14:33","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/04\/fledermaeuse-doppeltes-antikoerper-gensystem\/"},"modified":"2026-09-04T18:14:33","modified_gmt":"2026-09-04T18:14:33","slug":"fledermaeuse-doppeltes-antikoerper-gensystem","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/de\/2026\/09\/04\/fledermaeuse-doppeltes-antikoerper-gensystem\/","title":{"rendered":"Flederm\u00e4use tragen ein Immunsystem, das es bei keinem anderen S\u00e4ugetier gibt"},"content":{"rendered":"<div id=\"netgu-208165776\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p class=\"wp-block-paragraph\"><strong>Flederm\u00e4use beherbergen gef\u00e4hrliche Viren, ohne selbst schwer zu erkranken &ndash; ein US-Forschungsteam hat nun einen m\u00f6glichen Grund gefunden: ein Immunsystem, das es so bei keinem anderen S\u00e4ugetier gibt.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Zwei Baus\u00e4tze f\u00fcr Antik\u00f6rper<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Antik\u00f6rper sind Y-f\u00f6rmige Eiwei\u00dfe aus je zwei schweren und zwei leichten Ketten. Bei Menschen und allen bisher bekannten S\u00e4ugetieren entstehen die schweren Ketten aus einem einzigen Satz von Genen. Ein Team um Hannah Frank von der Tulane University berichtet nun, dass Glattnasen-Flederm\u00e4use (Abendsegler, Familie Vespertilionidae) gleich zwei voneinander getrennte Gensysteme f\u00fcr diese schweren Ketten besitzen. Beim Gro\u00dfen Braunen Abendsegler enth\u00e4lt der eine Satz 33 Antik\u00f6rpergene, der andere 99. Die Studie erschien im Fachjournal <em>Science Advances<\/em>.<\/p><div id=\"netgu-245052366\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/powera-zelda-tears-of-the-kingdom-switch-huelle-fuer-177e\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/Abbildung_2123779.jpeg-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">PowerA Zelda Tears of the Kingdom Switch H\u00fclle f\u00fcr 1,77\u20ac<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span 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src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/deal-11-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Vampire: The Masquerade Bloodlines 2 PS5 Day One Edition<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">23.99 \u20ac<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>29.99 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-20%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t1\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Mehr als 500 Arten betroffen<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Es handelt sich um die gr\u00f6\u00dfte Fledermausfamilie \u00fcberhaupt &ndash; \u00fcber 500 Arten. &bdquo;So etwas haben wir bei einem S\u00e4ugetier noch nie gesehen&ldquo;, wird Frank zitiert. &bdquo;Das ver\u00e4ndert unser Verst\u00e4ndnis davon, wie Immunsysteme von S\u00e4ugetieren organisiert sein k\u00f6nnen, vollst\u00e4ndig.&ldquo; An der Arbeit waren neben der Tulane University auch die Stanford University und die US-Seuchenbeh\u00f6rde CDC beteiligt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Warum das wichtig ist<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Der zweite Genbausatz gibt den Tieren einen v\u00f6llig neuen Weg, eine gro\u00dfe Vielfalt an Antik\u00f6rpern zu bilden. Die Forschenden vermuten, dass genau das erkl\u00e4ren k\u00f6nnte, warum Flederm\u00e4use so viele Viren tolerieren, ohne krank zu werden. Bewiesen ist dieser Zusammenhang noch nicht &ndash; die funktionelle Rolle der doppelten Ausstattung muss erst in weiteren Experimenten gekl\u00e4rt werden. Klar ist aber: Flederm\u00e4use k\u00f6nnten zeigen, dass Immunsysteme grunds\u00e4tzlich anders aufgebaut sein k\u00f6nnen, als die Lehrb\u00fccher es bislang nahelegen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quellen: <a href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.aeb6714\" target=\"_blank\" rel=\"noopener\">Science Advances<\/a> &middot; <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/09\/260901010713.htm\" target=\"_blank\" rel=\"noopener\">ScienceDaily<\/a> &middot; <a href=\"https:\/\/sse.tulane.edu\/\" target=\"_blank\" rel=\"noopener\">Tulane University<\/a><\/p>\n<div id=\"netgu-2129353961\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Abendsegler-Flederm\u00e4use besitzen gleich zwei getrennte Gensysteme f\u00fcr Antik\u00f6rper &ndash; eine Anordnung, die Forschende bislang bei keinem S\u00e4ugetier kannten. Das k\u00f6nnte ihre Virustoleranz erkl\u00e4ren.<\/p>\n","protected":false},"author":1,"featured_media":2222,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","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-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[],"tags":[],"class_list":["post-2538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=2538"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2538\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/2222"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=2538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=2538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=2538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}