{"id":137,"date":"2025-05-11T19:57:01","date_gmt":"2025-05-11T17:57:01","guid":{"rendered":"https:\/\/fred.blogweb.cz\/?p=137"},"modified":"2025-09-09T19:16:16","modified_gmt":"2025-09-09T17:16:16","slug":"elizabeth-ann-zazrak-moderni-vedy","status":"publish","type":"post","link":"https:\/\/fred.blogweb.cz\/index.php\/2025\/05\/11\/elizabeth-ann-zazrak-moderni-vedy\/","title":{"rendered":"Elizabeth Ann &#8211; z\u00e1zrak modern\u00ed v\u011bdy"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Elizabeth Ann je prvn\u00ed naklonovan\u00fd tcho\u0159 \u010dernonoh\u00fd (<em>Mustela nigripes<\/em>) a z\u00e1rove\u0148 prvn\u00ed klonovan\u00fd ohro\u017een\u00fd \u017eivo\u010di\u0161n\u00fd druh ve Spojen\u00fdch st\u00e1tech. Narodila se 10. prosince 2020.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tcho\u0159 \u010dernonoh\u00fd (<em>Mustela nigripes<\/em>) je vz\u00e1cn\u00fd druh lasicovit\u00e9 \u0161elmy poch\u00e1zej\u00edc\u00ed ze Severn\u00ed Ameriky. Je bl\u00edzce p\u0159\u00edbuzn\u00fd s evropsk\u00fdm tcho\u0159em (<em>Mustela putorius<\/em>) a fretkou (<em>Mustela putorius furo<\/em>). V\u011bdecky byl pops\u00e1n u\u017e v roce 1851. P\u016fvodn\u011b ob\u00fdval travnat\u00e9 pr\u00e9rie v centr\u00e1ln\u00ed \u010d\u00e1sti Severn\u00ed Ameriky (USA, Kanada, Mexiko). Jeho hlavn\u00ed potravou jsou psouni pr\u00e9riov\u00ed, na kter\u00fdch je siln\u011b z\u00e1visl\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve 20. stolet\u00ed do\u0161lo k masivn\u00edmu \u00fabytku tcho\u0159\u016f kv\u016fli: vyhuben\u00ed psoun\u016f (pova\u017eovan\u00fdch za \u0161k\u016fdce), p\u0159em\u011bn\u011b pr\u00e9rie na zem\u011bd\u011blskou p\u016fdu, zavle\u010den\u00ed ps\u00edho moru a dal\u0161\u00edm chorob\u00e1m. V roce 1979 byl tcho\u0159 \u010dernonoh\u00fd pova\u017eov\u00e1n za vyhynul\u00e9ho. O dva roky pozd\u011bji byla mal\u00e1 populace n\u00e1hodn\u011b objevena na ran\u010di v Meeteetse ve st\u00e1t\u011b Wyoming. V roce 1987 byl cel\u00fd zbytek t\u00e9to populace (18 jedinc\u016f) odchycen pro z\u00e1chrann\u00fd chov v zajet\u00ed. Pouze 7 jedinc\u016f bylo plodn\u00fdch \u2013 a pr\u00e1v\u011b z nich poch\u00e1z\u00ed cel\u00e1 dne\u0161n\u00ed sv\u011btov\u00e1 populace.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elizabeth Ann se narodila z genetick\u00e9ho materi\u00e1lu samice jm\u00e9nem Willa, kter\u00e1 uhynula v roce 1988. Willa nem\u011bla \u017e\u00e1dn\u00e9 potomky, ale jej\u00ed genetick\u00fd materi\u00e1l obsahoval p\u0159ibli\u017en\u011b t\u0159ikr\u00e1t v\u00edce unik\u00e1tn\u00edch genetick\u00fdch variac\u00ed ne\u017e sou\u010dasn\u00e1 populace. Jej\u00ed bu\u0148ky byly uchov\u00e1ny ve Frozen Zoo p\u0159i <strong>San Diego Zoo Wildlife Alliance<\/strong> pr\u00e1v\u011b pro \u00fa\u010dely budouc\u00edho klonov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Klonov\u00e1n\u00ed prob\u011bhlo tak, \u017ee genetick\u00fd materi\u00e1l z Willin\u00fdch bun\u011bk byl vlo\u017een do vaj\u00ed\u010dka a implantov\u00e1n do n\u00e1hradn\u00ed matky \u2013 samice fretky \u2013 aby se minimalizovalo riziko pro ohro\u017een\u00e9 jedince.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elizabeth Ann dnes \u017eije v <strong>N\u00e1rodn\u00edm centru pro ochranu \u010dernonoh\u00fdch tcho\u0159\u016f<\/strong> v Coloradu a slou\u017e\u00ed k v\u011bdeck\u00e9mu v\u00fdzkumu. V roce 2022 podstoupila hysterektomii kv\u016fli zdravotn\u00edm komplikac\u00edm (hydrometra a nedostate\u010dn\u011b vyvinut\u00fd d\u011blo\u017en\u00ed roh), co\u017e j\u00ed znemo\u017enilo reprodukci. Tyto stavy jsou b\u011b\u017en\u00e9 u \u010dernonoh\u00fdch tcho\u0159\u016f a nejsou pova\u017eov\u00e1ny za d\u016fsledek klonov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Klonov\u00e1n\u00ed Elizabeth Ann p\u0159edstavuje v\u00fdznamn\u00fd krok v ochran\u011b genetick\u00e9 rozmanitosti \u010dernonoh\u00fdch tcho\u0159\u016f, jejich\u017e populace byla v minulosti ohro\u017eena n\u00edzkou genetickou variabilitou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elizabeth Ann je prvn\u00ed naklonovan\u00fd tcho\u0159 \u010dernonoh\u00fd (<em>Mustela nigripes<\/em>) a z\u00e1rove\u0148 prvn\u00ed klonovan\u00fd ohro\u017een\u00fd \u017eivo\u010di\u0161n\u00fd druh ve Spojen\u00fdch st\u00e1tech. Narodila se 10. prosince 2020.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tcho\u0159 \u010dernonoh\u00fd (<em>Mustela nigripes<\/em>) je vz\u00e1cn\u00fd druh lasicovit\u00e9 \u0161elmy poch\u00e1zej\u00edc\u00ed ze Severn\u00ed Ameriky. Je bl\u00edzce p\u0159\u00edbuzn\u00fd s evropsk\u00fdm tcho\u0159em (<em>Mustela putorius<\/em>) a fretkou (<em>Mustela putorius furo<\/em>). V\u011bdecky byl pops\u00e1n u\u017e v roce 1851. P\u016fvodn\u011b ob\u00fdval travnat\u00e9 pr\u00e9rie v centr\u00e1ln\u00ed \u010d\u00e1sti Severn\u00ed Ameriky (USA, Kanada, Mexiko). Jeho hlavn\u00ed potravou jsou psouni pr\u00e9riov\u00ed, na kter\u00fdch je siln\u011b z\u00e1visl\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve 20. stolet\u00ed do\u0161lo k masivn\u00edmu \u00fabytku tcho\u0159\u016f kv\u016fli: vyhuben\u00ed psoun\u016f (pova\u017eovan\u00fdch za \u0161k\u016fdce), p\u0159em\u011bn\u011b pr\u00e9rie na zem\u011bd\u011blskou p\u016fdu, zavle\u010den\u00ed ps\u00edho moru a dal\u0161\u00edm chorob\u00e1m. V roce 1979 byl tcho\u0159 \u010dernonoh\u00fd pova\u017eov\u00e1n za vyhynul\u00e9ho. O dva roky pozd\u011bji byla mal\u00e1 populace n\u00e1hodn\u011b objevena na ran\u010di v Meeteetse ve st\u00e1t\u011b Wyoming. V roce 1987 byl cel\u00fd zbytek t\u00e9to populace (18 jedinc\u016f) odchycen pro z\u00e1chrann\u00fd chov v zajet\u00ed. Pouze 7 jedinc\u016f bylo plodn\u00fdch \u2013 a pr\u00e1v\u011b z nich poch\u00e1z\u00ed cel\u00e1 dne\u0161n\u00ed sv\u011btov\u00e1 populace.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elizabeth Ann se narodila z genetick\u00e9ho materi\u00e1lu samice jm\u00e9nem Willa, kter\u00e1 uhynula v roce 1988. Willa nem\u011bla \u017e\u00e1dn\u00e9 potomky, ale jej\u00ed genetick\u00fd materi\u00e1l obsahoval p\u0159ibli\u017en\u011b t\u0159ikr\u00e1t v\u00edce unik\u00e1tn\u00edch genetick\u00fdch variac\u00ed ne\u017e sou\u010dasn\u00e1 populace. Jej\u00ed bu\u0148ky byly uchov\u00e1ny ve Frozen Zoo p\u0159i <strong>San Diego Zoo Wildlife Alliance<\/strong> pr\u00e1v\u011b pro \u00fa\u010dely budouc\u00edho klonov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Klonov\u00e1n\u00ed prob\u011bhlo tak, \u017ee genetick\u00fd materi\u00e1l z Willin\u00fdch bun\u011bk byl vlo\u017een do vaj\u00ed\u010dka a implantov\u00e1n do n\u00e1hradn\u00ed matky \u2013 samice fretky \u2013 aby se minimalizovalo riziko pro ohro\u017een\u00e9 jedince.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elizabeth Ann dnes \u017eije v <strong>N\u00e1rodn\u00edm centru pro ochranu \u010dernonoh\u00fdch tcho\u0159\u016f<\/strong> v Coloradu a slou\u017e\u00ed k v\u011bdeck\u00e9mu v\u00fdzkumu. V roce 2022 podstoupila hysterektomii kv\u016fli zdravotn\u00edm komplikac\u00edm (hydrometra a nedostate\u010dn\u011b vyvinut\u00fd d\u011blo\u017en\u00ed roh), co\u017e j\u00ed znemo\u017enilo reprodukci. Tyto stavy jsou b\u011b\u017en\u00e9 u \u010dernonoh\u00fdch tcho\u0159\u016f a nejsou pova\u017eov\u00e1ny za d\u016fsledek klonov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Klonov\u00e1n\u00ed Elizabeth Ann p\u0159edstavuje v\u00fdznamn\u00fd krok v ochran\u011b genetick\u00e9 rozmanitosti \u010dernonoh\u00fdch tcho\u0159\u016f, jejich\u017e populace byla v minulosti ohro\u017eena n\u00edzkou genetickou variabilitou.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-3.jpg\" alt=\"\" class=\"wp-image-140\" style=\"width:334px;height:auto\" srcset=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-3.jpg 500w, https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-3-300x300.jpg 300w, https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-3-150x150.jpg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Are\u00e1l p\u016fvodn\u00edho v\u00fdskytu tcho\u0159e \u010dernonoh\u00e9ho 1900<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-2.jpg\" alt=\"\" class=\"wp-image-139\" style=\"width:253px;height:auto\" srcset=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-2.jpg 500w, https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-2-300x300.jpg 300w, https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Ferret-Fred-Wab-2-150x150.jpg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00edsta ( p\u0159ibli\u017en\u011b) ve kter\u00fdch se nach\u00e1z\u00ed tcho\u0159 \u010dernonoh\u00fd ( 2020) jsou ozna\u010deny \u010derven\u011b.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"225\" src=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Untitled.jpeg\" alt=\"\" class=\"wp-image-196\" srcset=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Untitled.jpeg 225w, https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Untitled-150x150.jpeg 150w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"480\" style=\"aspect-ratio: 854 \/ 480;\" width=\"854\" controls src=\"https:\/\/fred.blogweb.cz\/wp-content\/uploads\/2025\/05\/Elizabeth-Ann-the-Ferret.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Zdroj p\u016fvodn\u00edho videa: YouTube kan\u00e1l <strong>The Ferret  <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elizabeth Ann je prvn\u00ed naklonovan\u00fd tcho\u0159 \u010dernonoh\u00fd (Mustela nigripes) a z\u00e1rove\u0148 prvn\u00ed klonovan\u00fd ohro\u017een\u00fd \u017eivo\u010di\u0161n\u00fd druh ve Spojen\u00fdch st\u00e1tech. Narodila se 10. prosince 2020. Tcho\u0159 \u010dernonoh\u00fd (Mustela nigripes) je vz\u00e1cn\u00fd druh lasicovit\u00e9 \u0161elmy poch\u00e1zej\u00edc\u00ed ze Severn\u00ed Ameriky. Je bl\u00edzce p\u0159\u00edbuzn\u00fd s evropsk\u00fdm tcho\u0159em (Mustela putorius) a fretkou (Mustela putorius furo). V\u011bdecky byl pops\u00e1n u\u017e v [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":138,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zajimavosti"],"_links":{"self":[{"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/posts\/137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/comments?post=137"}],"version-history":[{"count":6,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/posts\/137\/revisions"}],"predecessor-version":[{"id":202,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/posts\/137\/revisions\/202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/media\/138"}],"wp:attachment":[{"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/media?parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/categories?post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fred.blogweb.cz\/index.php\/wp-json\/wp\/v2\/tags?post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}