{"id":106172,"date":"2026-06-03T13:50:18","date_gmt":"2026-06-03T13:50:18","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/106172\/"},"modified":"2026-06-03T13:50:18","modified_gmt":"2026-06-03T13:50:18","slug":"osel-cz-zombie-tkane-sumyse-odmitaji-zemrit-vypestuje-si-ocas-vlastni-jesterku","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/106172\/","title":{"rendered":":: OSEL.CZ :: – Zombie tk\u00e1n\u011b sum\u00fd\u0161e odm\u00edtaj\u00ed zem\u0159\u00edt: Vyp\u011bstuje si ocas vlastn\u00ed je\u0161t\u011brku?"},"content":{"rendered":"

Zombie tk\u00e1n\u011b sum\u00fd\u0161e odm\u00edtaj\u00ed zem\u0159\u00edt: Vyp\u011bstuje si ocas vlastn\u00ed je\u0161t\u011brku? \u00a0<\/p>\n

Sum\u00fd\u0161 Psolus fabricii je \u00fapln\u011b norm\u00e1ln\u00ed sum\u00fd\u0161, docela fe\u0161\u00e1k, pokud v\u00e1s ned\u011bs\u00ed ostnoko\u017eci bez chapadel. Kdy\u017e z n\u011bj ale v\u011bdci o\u0159ezali tk\u00e1\u0148, d\u011bly se v\u011bci. O\u0159ezan\u00e1 tk\u00e1\u0148 neum\u00edr\u00e1, diferencuje se, je imunitn\u011b aktivn\u00ed a nas\u00e1v\u00e1 \u017eiviny z mo\u0159sk\u00e9 vody. Cel\u00e9 roky. Nam\u00edsto bizarn\u00edho hororu o\u010dek\u00e1vejte revoluci v biomedic\u00edn\u011b!<\/p>\n

\t\t\"Sum\u00fd\u0161<\/a><\/p>\n

Sum\u00fd\u0161 Psolus fabricii z Labradoru. Kredit: Rebecca Evans, Wikimedia Commons, CC BY-SA 4.0<\/p>\n

K\u00a0obl\u00edben\u00fdm hororov\u00fdm motiv\u016fm pat\u0159\u00ed i o\u017eivl\u00e9 kusy t\u011bl, kter\u00e9 si \u017eij\u00ed vlastn\u00edm \u017eivotem. V\u011bdci ned\u00e1vno narazili na podobn\u00fd p\u0159\u00edpad v\u00a0re\u00e1ln\u00e9m sv\u011bt\u011b, i kdy\u017e to zrovna nen\u00ed potm\u011b\u0161il\u00e1 ruka s\u00a0p\u011bti prsty, kter\u00e1 by \u0161mejdila po zemi jako fretka. Tohle frankensteinovsk\u00e9 monstrum \u017eije na mo\u0159sk\u00e9m dn\u011b.<\/p>\n

\u00a0<\/p>\n

\"Sarah<\/a><\/p>\n

Sarah Jobson. Kredit: S. Jobson.<\/p>\n

Sara Jobsonov\u00e1 z\u00a0kanadsk\u00e9 Memorial University of Newfoundland a jej\u00ed kolegov\u00e9 zjistili, \u017ee kdy\u017e u\u0159\u00edznou kusy tk\u00e1n\u011b ze sum\u00fd\u0161e Psolus fabricii, \u017eij\u00ed tyto explant\u00e1ty d\u00e1l sv\u00fdm vlastn\u00edm \u017eivotem d\u00e9le ne\u017e t\u0159i roky v\u00a0p\u0159irozen\u00e9 mo\u0159sk\u00e9 vod\u011b. Jde o prvn\u00ed zn\u00e1m\u00fd p\u0159\u00edpad takto dlouhodob\u00e9ho p\u0159e\u017e\u00edv\u00e1n\u00ed a pokra\u010duj\u00edc\u00edho r\u016fstu odd\u011blen\u00e9 tk\u00e1n\u011b n\u011bjak\u00e9ho podobn\u00e9ho \u017eivo\u010dicha mimo kontrolovan\u00e9 a steriln\u00ed laboratorn\u00ed prost\u0159ed\u00ed.<\/p>\n

\u00a0<\/p>\n

Mohl by z\u00a0toho b\u00fdt nov\u00fd a dostupn\u00fd experiment\u00e1ln\u00ed model pro biomedic\u00ednu. Jak \u0159\u00edk\u00e1 kolegyn\u011b Jobsonov\u00e9 Rachel Siplerov\u00e1, zat\u00edm sice z\u00a0od\u0159ezk\u016f nevyp\u011bstovali novou, kompletn\u00ed mo\u0159skou okurku, ale pozoruj\u00ed r\u016fst a diferenciaci bun\u011bk n\u011bkolik let po od\u0159\u00edznut\u00ed t\u00e9to tk\u00e1n\u011b ze sum\u00fd\u0161e.<\/p>\n

\u00a0<\/p>\n

\"Logo.<\/a><\/p>\n

Logo. Kredit: Memorial University of Newfoundland.<\/p>\n

P\u0159edstavte si je\u0161t\u011brku, kter\u00e9 upadne ocas. Podle Siplerov\u00e9 se dne\u0161n\u00ed v\u00fdzkum regenerace zab\u00fdv\u00e1 p\u0159edev\u0161\u00edm t\u00edm, jak takov\u00e9 je\u0161t\u011brce naroste nov\u00fd ocas. Oni se s\u00a0kolegy \u0159e\u0161\u00ed to, jak ud\u011blat z\u00a0odd\u011blen\u00e9ho ocasu novou je\u0161t\u011brku.<\/p>\n

\u00a0<\/p>\n

Je pravda, \u017ee mnoz\u00ed ostnoko\u017eci, sum\u00fd\u0161e nevyj\u00edmaje, jsou zn\u00e1m\u00ed mimo\u0159\u00e1dnou schopnost\u00ed regenerace a jen zanedbateln\u00fdm st\u00e1rnut\u00edm bun\u011bk. V\u011bdci ale p\u0159edpokl\u00e1dali, \u017ee odd\u011blen\u00e1 tk\u00e1\u0148 sum\u00fd\u0161\u016f nakonec odum\u0159e. Jobsonov\u00e1 s\u00a0kolegy si ale v\u0161imli, \u017ee tk\u00e1\u0148 ze zm\u00edn\u011bn\u00e9ho sum\u00fd\u0161e ani po n\u011bkolika t\u00fddnech nerozpadla. Naopak se uk\u00e1zalo, \u017ee roste.<\/p>\n

\u00a0<\/p>\n

Zombie tk\u00e1\u0148 sum\u00fd\u0161e diferencuje bu\u0148ky, reorganizuje se a prob\u00edh\u00e1 v\u00a0n\u00ed aktivita imunitn\u00edho syst\u00e9mu. Nem\u00e1 \u00fasta a \u017eiviny z\u00edsk\u00e1v\u00e1 vst\u0159eb\u00e1v\u00e1n\u00edm aminokyselin rozpu\u0161t\u011bn\u00fdch v mo\u0159sk\u00e9 vod\u011b. Jak podot\u00fdk\u00e1 Siplerov\u00e1, p\u0159irozen\u00e1 mo\u0159sk\u00e1 voda je z experiment\u00e1ln\u00edho hlediska asi t\u00edm nejm\u00e9n\u011b steriln\u00edm a mikrobi\u00e1ln\u011b nejrozmanit\u011bj\u0161\u00edm prost\u0159ed\u00edm, jak\u00e9 mohli pou\u017e\u00edt. Zombie tk\u00e1ni to podle v\u0161eho vyhovuje. Bioin\u017een\u00fd\u0159i si pochvaluj\u00ed, \u017ee se sum\u00fd\u0161i snadn\u011bji chovaj\u00ed a tolik nedr\u00e1\u017ed\u00ed etiky. Jak se zd\u00e1, brzy p\u016fjde pod n\u016f\u017e spousta sum\u00fd\u0161\u016f.<\/p>\n

\u00a0<\/p>\n

Video: List of Animal of Order Dendrochirotida Family Psolidae psolus psolidium tenue punctatus ornata<\/p>\n

\n

\u00a0<\/p>\n

Literatura<\/p>\n

Bigelow Laboratory for Ocean Sciences 27. 9. 2026.<\/a><\/p>\n

Science Advances online 27. 9. 2026.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Zombie tk\u00e1n\u011b sum\u00fd\u0161e odm\u00edtaj\u00ed zem\u0159\u00edt: Vyp\u011bstuje si ocas vlastn\u00ed je\u0161t\u011brku? \u00a0 Sum\u00fd\u0161 Psolus fabricii je \u00fapln\u011b norm\u00e1ln\u00ed sum\u00fd\u0161,…\n","protected":false},"author":2,"featured_media":106173,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[11],"tags":[31020,31021,54,5293,53,52],"class_list":["post-106172","post","type-post","status-publish","format-standard","has-post-thumbnail","category-svet","tag-hojeni","tag-sval","tag-svet","tag-telo","tag-world","tag-world-news"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116686502487341131","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/106172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=106172"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/106172\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/106173"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=106172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=106172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=106172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}