{"id":171347,"date":"2026-08-07T07:00:10","date_gmt":"2026-08-07T07:00:10","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/171347\/"},"modified":"2026-08-07T07:00:10","modified_gmt":"2026-08-07T07:00:10","slug":"vedci-objevili-v-barmskem-jantaru-brouka-z-doby-dinosauru-prekvapil-unikatnimi-tykadly","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/171347\/","title":{"rendered":"V\u011bdci objevili v\u00a0barmsk\u00e9m jantaru brouka z\u00a0doby dinosaur\u016f, p\u0159ekvapil unik\u00e1tn\u00edmi tykadly"},"content":{"rendered":"<p class=\"c_bB\">Nov\u011b popsan\u00fd druh (Icaroramus perisi) byl vybaven sv\u011bteln\u00fdm org\u00e1nem na zade\u010dku i\u00a0mimo\u0159\u00e1dn\u011b slo\u017eit\u00fdmi tykadly, kter\u00e1 mu slou\u017eila jako jak\u00fdsi chemick\u00fd radar.<\/p>\n<p class=\"c_bB\">\u201eObjeven\u00fd fosiln\u00ed brouk je pozoruhodn\u00fd t\u00edm, \u017ee spojuje dva zp\u016fsoby komunikace, kter\u00e9 jsou u\u00a0dne\u0161n\u00edch sv\u011btlu\u0161ek a\u00a0jejich p\u0159\u00edbuzn\u00fdch kl\u00ed\u010dov\u00e9. Jsou to chemick\u00e9 sign\u00e1ly a\u00a0sv\u011btlo. D\u00edky v\u00fdjime\u010dn\u00e9mu zachov\u00e1n\u00ed v\u00a0jantaru m\u016f\u017eeme studovat tak neobvyklou kombinaci znak\u016f v\u00a0hlubok\u00e9 evolu\u010dn\u00ed minulosti,\u201c uvedl hlavn\u00ed autor studie Yan-Da Li. <\/p>\n<p>Tykadla odhalila mimo\u0159\u00e1dnou smyslovou v\u00fdbavu<\/p>\n<p class=\"c_bB\">Nov\u00fd druh sv\u011bt\u00e9lkuj\u00edc\u00edho brouka v\u011bdci na\u0161li v\u00a0barmsk\u00e9m jantaru, kter\u00fd uchov\u00e1v\u00e1 mimo\u0159\u00e1dn\u011b jemn\u00e9 anatomick\u00e9 detaily hmyzu ze st\u0159edn\u00ed k\u0159\u00eddy. D\u00edky tomu mohli studovat nejen celkov\u00fd tvar t\u011bla, ale tak\u00e9 slo\u017eitou stavbu tykadel a\u00a0struktury na zade\u010dku. <\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/veda-skoly-jak-se-ptaci-odpoutali-od-dinosauru-99-milionu-let-stare-peri-v-jantaru-odhaluje-tajemstvi-evoluce-40529449\" class=\"c_N\" rel=\"nofollow noopener\"><img height=\"720\" width=\"1280\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/08\/fosilie-peri-jantar-paleontologie.jpeg\" loading=\"lazy\" decoding=\"async\" class=\"c_t c_r c_l\"\/><\/a><\/p>\n<p class=\"c_bB\">Tykadla nov\u00e9ho brouka maj\u00ed 12\u00a0\u010dl\u00e1nk\u016f a\u00a0na v\u011bt\u0161in\u011b z\u00a0nich vyr\u016fstaj\u00ed hned dva morfologicky odli\u0161n\u00e9 p\u00e1ry dlouh\u00fdch v\u00fdb\u011b\u017ek\u016f. Takov\u00e1 stavba tykadel nebyla dosud zn\u00e1ma u\u00a0\u017e\u00e1dn\u00e9ho \u017eij\u00edc\u00edho ani fosiln\u00edho brouka. Podle autor\u016f studie pravd\u011bpodobn\u011b v\u00fdrazn\u011b zv\u011bt\u0161ovala smyslovou plochu tykadel a\u00a0umo\u017e\u0148ovala velmi citliv\u00e9 vn\u00edm\u00e1n\u00ed chemick\u00fdch sign\u00e1l\u016f, zejm\u00e9na pohlavn\u00edch feromon\u016f. <\/p>\n<p class=\"c_bB\">\u201eU dne\u0161n\u00edch sv\u011btlu\u0161ek a\u00a0p\u0159\u00edbuzn\u00fdch skupin \u010dasto vid\u00edme \u00fazkou souvislost mezi tvarem tykadel a\u00a0zp\u016fsobem komunikace. Samci druh\u016f, kter\u00e9 spol\u00e9haj\u00ed na feromony, m\u00edvaj\u00ed slo\u017eit\u011b v\u011btven\u00e1 tykadla schopn\u00e1 zachytit i\u00a0velmi slab\u00e9 chemick\u00e9 sign\u00e1ly. U\u00a0tohoto druhu je tato specializace dovedena do zcela mimo\u0159\u00e1dn\u00e9 podoby,\u201c vysv\u011btlil Kundrata.<\/p>\n<p class=\"c_bB\">Zaj\u00edmav\u00e9 je, \u017ee brouk Icaroramus perisi m\u011bl z\u00e1rove\u0148 na zade\u010dku strukturu, kterou v\u011bdci pova\u017euj\u00ed za sv\u011bteln\u00fd org\u00e1n. To ale nutn\u011b neznamen\u00e1, \u017ee sv\u011btlo pou\u017e\u00edval prim\u00e1rn\u011b p\u0159i n\u00e1mluv\u00e1ch, jako mnoh\u00e9 dne\u0161n\u00ed sv\u011btlu\u0161ky. Auto\u0159i studie m\u00edn\u00ed, \u017ee hled\u00e1n\u00ed partnera mohlo b\u00fdt zaji\u0161\u0165ov\u00e1no hlavn\u011b feromony, zat\u00edmco bioluminiscence (sv\u011bt\u00e9lkov\u00e1n\u00ed organism\u016f) mohla slou\u017eit sp\u00ed\u0161e jako varovn\u00fd sign\u00e1l pro pred\u00e1tory. Takov\u00e1 funkce sv\u011btla je zn\u00e1ma i\u00a0u n\u011bkter\u00fdch sou\u010dasn\u00fdch sv\u011bt\u00e9lkuj\u00edc\u00edch brouk\u016f. <\/p>\n<p>Fosilie m\u011bn\u00ed pohled na evoluci sv\u011bt\u00e9lkov\u00e1n\u00ed<\/p>\n<p class=\"c_bB\">N\u00e1lez podle v\u011bdc\u016f ukazuje, \u017ee evoluce bioluminiscence nebyla jednoduch\u00fdm p\u0159\u00edb\u011bhem vedouc\u00edm p\u0159\u00edmo k\u00a0dne\u0161n\u00edm sv\u011btlu\u0161k\u00e1m. Sv\u011btlo mohlo v\u00a0ran\u00e9 evoluci t\u00e9to skupiny slou\u017eit p\u0159edev\u0161\u00edm jako varovn\u00fd sign\u00e1l a\u00a0teprve pozd\u011bji bylo v\u00a0n\u011bkter\u00fdch lini\u00edch vyu\u017eito tak\u00e9 p\u0159i pohlavn\u00ed komunikaci. <\/p>\n<p class=\"c_bB\">Fosilie tak odhaluje evolu\u010dn\u00ed experiment, kter\u00fd se do sou\u010dasnosti nedochoval. <\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/veda-skoly-vedci-z-univerzity-palackeho-vyslou-do-vesmiru-bioreaktor-pro-vyzkum-jecmene-40545202\" class=\"c_N\" rel=\"nofollow noopener\"><img height=\"675\" width=\"1200\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/08\/jecmen.jpeg\" loading=\"lazy\" decoding=\"async\" class=\"c_t c_r c_l\"\/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Nov\u011b popsan\u00fd druh (Icaroramus perisi) byl vybaven sv\u011bteln\u00fdm org\u00e1nem na zade\u010dku i\u00a0mimo\u0159\u00e1dn\u011b slo\u017eit\u00fdmi tykadly, kter\u00e1 mu slou\u017eila jako&hellip;\n","protected":false},"author":2,"featured_media":171348,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[7],"tags":[20397,15952,43,42,41,40,489,41883,41884,9185,395,486,37661],"class_list":["post-171347","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cesko","tag-barma","tag-brouci","tag-ceska-republika","tag-cesko","tag-czech-republic","tag-czechia","tag-fosilie","tag-icaroramus-perisi","tag-jantar","tag-nalez","tag-olomoucky-kraj","tag-pravek","tag-univerzita-palackeho-up"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/117052940369112814","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/171347","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=171347"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/171347\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/171348"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=171347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=171347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=171347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}