Byl to jeden z t\u011bch moment\u016f, o kter\u00fdch vypr\u00e1v\u011bj\u00ed dobrodru\u017en\u00e9 filmy. V roce 2023, b\u011bhem expedice americk\u00e9ho N\u00e1rodn\u00edho \u00fa\u0159adu pro oce\u00e1n a atmosf\u00e9ru v Alja\u0161sk\u00e9m z\u00e1livu, d\u00e1lkov\u011b \u0159\u00edzen\u00e9 plavidlo Deep Discoverer v hloubce v\u00edce ne\u017e t\u0159\u00ed kilometr\u016f pod hladinou narazilo na podivn\u00fd objekt.<\/p>\n
Zlatav\u00e1, zhruba deset centimetr\u016f velk\u00e1 \u201ekoule\u201c s otvorem uprost\u0159ed byla p\u0159ichycen\u00e1 ke sk\u00e1le. \u201eNev\u00edm, co si o tom myslet,\u201c zazn\u011blo p\u0159\u00edmo b\u011bhem p\u0159enosu z ponoru. \u201eM\u016fj prvn\u00ed tip by byl houba, ale\u2026\u201c reagoval druh\u00fd hlas.<\/p>\n
V\u00fdzkumn\u00edci objekt opatrn\u011b odebrali a poslali k anal\u00fdze do N\u00e1rodn\u00edho p\u0159\u00edrodov\u011bdn\u00e9ho muzea ve Washingtonu. Internet v\u0161ak okam\u017eit\u011b zaplavily spekulace, co tajemn\u00fd objekt vlastn\u011b je. Vaj\u00ed\u010dko nezn\u00e1m\u00e9ho tvora? Zbytek mo\u0159sk\u00e9 houby? N\u011bco mnohem podivn\u011bj\u0161\u00edho?<\/p>\n
Dvouap\u016fllet\u00e1 detektivka pod mikroskopem<\/p>\n
To, co zpo\u010d\u00e1tku vypadalo jako rychl\u00e1 identifikace, se prom\u011bnilo v n\u011bkolikalet\u00fd v\u011bdeck\u00fd r\u00e9bus. \u201ePracujeme se stovkami vzork\u016f a p\u0159edpokl\u00e1dal jsem, \u017ee rutinn\u00ed postupy z\u00e1hadu objasn\u00ed,\u201c vysv\u011btlil nyn\u00ed zoolog Allen Collins. \u201eAle uk\u00e1zalo se, \u017ee jde o speci\u00e1ln\u00ed p\u0159\u00edpad, kter\u00fd vy\u017eadoval soust\u0159ed\u011bn\u00e9 \u00fasil\u00ed a expertizu n\u011bkolika odborn\u00edk\u016f.\u201c<\/p>\n
Prvn\u00ed anal\u00fdzy uk\u00e1zaly, \u017ee objekt neodpov\u00edd\u00e1 b\u011b\u017en\u00e9 anatomii \u017eivo\u010dich\u016f. \u0160lo o vl\u00e1knitou strukturu s vrstvami obsahuj\u00edc\u00edmi \u017eahav\u00e9 bu\u0148ky – znak typick\u00fd pro \u017eahavce, tedy skupinu zahrnuj\u00edc\u00ed kor\u00e1ly nebo sasanky. \u201eByla to komplexn\u00ed z\u00e1hada, kter\u00e1 vy\u017eadovala morfologick\u00e9, genetick\u00e9, hlubokomo\u0159sk\u00e9 i bioinformatick\u00e9 znalosti,\u201c dodal Collins. <\/p>\n
Rozhoduj\u00edc\u00ed zlom p\u0159inesla a\u017e pokro\u010dil\u00e1 genetick\u00e1 anal\u00fdza. Zat\u00edmco b\u011b\u017en\u00e9 DNA \u010d\u00e1rov\u00e9 k\u00f3dov\u00e1n\u00ed selhalo kv\u016fli p\u0159\u00edm\u011bs\u00edm jin\u00fdch organism\u016f, sekvenov\u00e1n\u00ed cel\u00e9ho genomu kone\u010dn\u011b odhalilo, \u017ee jde o poz\u016fstatek hlubokomo\u0159sk\u00e9 sasanky druhu Relicanthus daphneae<\/a> – konkr\u00e9tn\u011b o \u010d\u00e1st jej\u00ed b\u00e1ze, kterou se p\u0159ichyt\u00e1v\u00e1 ke sk\u00e1le.<\/p>\n Tato \u010d\u00e1st je obvykle skryt\u00e1 pod t\u011blem \u017eivo\u010dicha. V tomto p\u0159\u00edpad\u011b v\u0161ak z\u016fstala na m\u00edst\u011b pot\u00e9, co horn\u00ed \u010d\u00e1st sasanky zmizela. Pro\u010d se tak stalo, v\u011bdci s jistotou \u0159\u00edct nedok\u00e1\u017eou. Mohla podle nich uhynout nebo se p\u0159esunout jinam.<\/p>\n \u201eV hlubokomo\u0159sk\u00e9m v\u00fdzkumu \u010dasto nach\u00e1z\u00edme fascinuj\u00edc\u00ed z\u00e1hady, jako je pr\u00e1v\u011b \u201azlat\u00e1 koule\u2018,\u201c dodal William Mowitt z NOAA. \u201ePr\u00e1v\u011b proto pokra\u010dujeme v pr\u016fzkumu – abychom odhalili tajemstv\u00ed oce\u00e1nu a l\u00e9pe pochopili, jak m\u016f\u017ee p\u0159isp\u011bt k ekonomice, bezpe\u010dnosti i udr\u017eitelnosti na\u0161\u00ed planety,\u201c uvedl.<\/p>\n Video: Mluvil s t\u011bmi, co \u201eza\u017eili\u201c poltergeista. \u201eNen\u00ed to tak, \u017ee v\u0161echno um\u00edme vysv\u011btlit,\u201c \u0159\u00edk\u00e1 o z\u00e1had\u00e1ch badatel Jaroslav Mare\u0161<\/p>\n Zdroj: Science Daily<\/a>, NOAA<\/a>, Anchorage Daily News<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Byl to jeden z t\u011bch moment\u016f, o kter\u00fdch vypr\u00e1v\u011bj\u00ed dobrodru\u017en\u00e9 filmy. V roce 2023, b\u011bhem expedice americk\u00e9ho N\u00e1rodn\u00edho…\n","protected":false},"author":2,"featured_media":70232,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[6146,54,53,52,9684],"class_list":{"0":"post-70231","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-svet","8":"tag-more","9":"tag-svet","10":"tag-world","11":"tag-world-news","12":"tag-zahada"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116487802372801809","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/70231","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=70231"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/70231\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/70232"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=70231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=70231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=70231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}