{"id":21291,"date":"2025-11-13T20:53:46","date_gmt":"2025-11-13T19:53:46","guid":{"rendered":"https:\/\/prahaskolska.200.solutions\/?p=21291"},"modified":"2025-11-13T20:54:40","modified_gmt":"2025-11-13T19:54:40","slug":"cesti-vedci-z-univerzity-karlovy-zkoumaji-jak-antarkticke-rasy-preziji-ve-vesmiru","status":"publish","type":"post","link":"https:\/\/prahaskolska.200.solutions\/?p=21291","title":{"rendered":"\u010ce\u0161t\u00ed v\u011bdci z Univerzity Karlovy zkoumaj\u00ed, jak antarktick\u00e9 \u0159asy p\u0159e\u017eij\u00ed ve vesm\u00edru"},"content":{"rendered":"\n

Mikroskopick\u00e9 organismy z nejchladn\u011bj\u0161\u00edch m\u00edst planety se chystaj\u00ed na cestu mimo Zemi. T\u00fdm v\u011bdc\u016f z P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Karlovy pod veden\u00edm Lindy Nedbalov\u00e9 z Katedry ekologie p\u0159ipravil experiment, kter\u00fd zkoum\u00e1, jak se antarktick\u00e9 \u0159asy dok\u00e1\u017eou p\u0159izp\u016fsobit podm\u00ednk\u00e1m ve vesm\u00edru. Projekt CryoAlgae in Space bude sou\u010d\u00e1st\u00ed \u010desk\u00e9 mise na Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanici, kterou podporuje Evropsk\u00e1 kosmick\u00e1 agentura.<\/strong><\/p>\n\n\n\n

Z ledu a\u017e na ob\u011b\u017enou dr\u00e1hu<\/strong><\/p>\n\n\n\n

\u0158asy, kter\u00e9 v\u00fdzkumn\u00edci zkoumaj\u00ed, poch\u00e1zej\u00ed z extr\u00e9mn\u00edch oblast\u00ed, nap\u0159\u00edklad z Antarktidy nebo vysokohorsk\u00fdch lokalit. Mus\u00ed tam zvl\u00e1dat chlad, tmu i nedostatek \u017eivin. Monoraphidium, jedna z mnoha druh\u016f \u0159as,<\/strong> byla vyta\u017eena ze zamrzl\u00e9ho jezera Nad\u011bje u \u010cesk\u00e9 antarktick\u00e9 stanice Johanna Gregora Mendela. Pr\u00e1v\u011b tento druh se stal hlavn\u00edm kandid\u00e1tem pro prvn\u00ed pokus na ob\u011b\u017en\u00e9 dr\u00e1ze. C\u00edlem experimentu je zjistit, zda \u0159asy p\u0159e\u017eij\u00ed dlouhodob\u00fd pobyt v mikrogravitaci a zda nebo jak se zm\u011bn\u00ed jejich schopnost fotosynt\u00e9zy a tvorby kysl\u00edku.<\/p>\n\n\n\n

Pro\u010d zrovna \u0159asy?<\/strong><\/p>\n\n\n\n

\u0158asy jsou mimo\u0159\u00e1dn\u011b odoln\u00e9 organismy. Rostou rychle, produkuj\u00ed kysl\u00edk a dok\u00e1\u017e\u00ed vyu\u017e\u00edvat minimum zdroj\u016f. Pr\u00e1v\u011b proto se o nich uva\u017euje jako o sou\u010d\u00e1sti takzvan\u00fdch bioregenerativn\u00edch syst\u00e9m\u016f \u017eivotn\u00ed podpory, tedy uzav\u0159en\u00fdch ekosyst\u00e9m\u016f, kter\u00e9 by mohly zaji\u0161\u0165ovat kysl\u00edk, potravu i recyklaci vody b\u011bhem dlouh\u00fdch vesm\u00edrn\u00fdch mis\u00ed. \u201e\u0158asy jsou ide\u00e1ln\u00ed model pro studium \u017eivota v extr\u00e9mn\u00edch podm\u00ednk\u00e1ch. Um\u011bj\u00ed p\u0159e\u017e\u00edt tam, kde by jin\u00e9 organismy nep\u0159e\u017eily ani p\u00e1r hodin,\u201c <\/strong>uvedla doc. Linda Nedbalov\u00e1 z P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Karlovy. <\/p>\n\n\n\n

\u010cesk\u00e1 stopa ve vesm\u00edru<\/strong><\/p>\n\n\n\n

Na projektu spolupracuj\u00ed i v\u011bdci z Centra BIOCEV a specialist\u00e9 z technologick\u00fdch firem. Na palub\u011b ISS, mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanice, budou vzorky um\u00edst\u011bny v automatick\u00e9m inkub\u00e1toru ET Cube v modulu Columbus, kde budou \u0159asy vystaveny podm\u00ednk\u00e1m mikrogravitace i prom\u011bnliv\u00e9mu osv\u011btlen\u00ed. Po n\u00e1vratu na Zemi je \u010dek\u00e1 detailn\u00ed anal\u00fdza v laborato\u0159\u00edch BIOCEV. Experiment navazuje na dlouhou tradici \u010desk\u00e9ho v\u00fdzkumu ve vesm\u00edru, kter\u00e1 sah\u00e1 a\u017e k dob\u011b kosmonauta Vladim\u00edra Remka, jen\u017e se tak\u00e9 pod\u00edlel na biologick\u00fdch pokusech.<\/p>\n\n\n\n

V\u00fdsledky v\u00fdzkumu mohou m\u00edt p\u0159esah i mimo kosmonautiku. M\u016f\u017eou n\u00e1m pomoct porozum\u011bt, jak se \u017eiv\u00e9 organismy vyrovn\u00e1vaj\u00ed s extr\u00e9mn\u00edmi podm\u00ednkami, a mohou naj\u00edt uplatn\u011bn\u00ed i v jin\u00fdch oblastech, jako nap\u0159\u00edklad \u010di\u0161t\u011bn\u00ed vody nebo zachycov\u00e1n\u00ed oxidu uhli\u010dit\u00e9ho. <\/p>\n\n\n\n

Zdroj: PrF UK<\/a> <\/sup><\/p>\n","protected":false},"excerpt":{"rendered":"

Mikroskopick\u00e9 organismy z nejchladn\u011bj\u0161\u00edch m\u00edst planety se chystaj\u00ed na cestu mimo Zemi. T\u00fdm v\u011bdc\u016f z P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Karlovy pod veden\u00edm Lindy Nedbalov\u00e9 z Katedry ekologie p\u0159ipravil experiment, kter\u00fd zkoum\u00e1, jak se antarktick\u00e9 \u0159asy dok\u00e1\u017eou p\u0159izp\u016fsobit podm\u00ednk\u00e1m ve vesm\u00edru. Projekt CryoAlgae in Space bude sou\u010d\u00e1st\u00ed \u010desk\u00e9 mise na Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanici, kterou podporuje Evropsk\u00e1 kosmick\u00e1 […]<\/p>\n","protected":false},"author":41,"featured_media":21292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[48,38,439],"tags":[],"class_list":["post-21291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologie","category-vysoke-skoly","category-vyzkum"],"acf":[],"_links":{"self":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/21291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21291"}],"version-history":[{"count":2,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/21291\/revisions"}],"predecessor-version":[{"id":21317,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/21291\/revisions\/21317"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/media\/21292"}],"wp:attachment":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}