{"id":2804,"date":"2024-05-25T22:40:16","date_gmt":"2024-05-25T22:40:16","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=2804"},"modified":"2024-05-25T22:40:16","modified_gmt":"2024-05-25T22:40:16","slug":"heat-resistant-antler-coral-offers-hope-for-climate-impacted-reefs","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/marine-biology\/heat-resistant-antler-coral-offers-hope-for-climate-impacted-reefs\/","title":{"rendered":"Parohov\u00fd kor\u00e1l: Paprsek nad\u011bje v otepluj\u00edc\u00edch se vod\u00e1ch"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Parohov\u00fd kor\u00e1l: Paprsek nad\u011bje v otepluj\u00edc\u00edch se vod\u00e1ch<\/strong><\/h2>\n\n<p>Rostouc\u00ed teploty oce\u00e1n\u016f zp\u016fsoben\u00e9 zm\u011bnou klimatu p\u0159edstavuj\u00ed pro kor\u00e1lov\u00e9 \u00fatesy po cel\u00e9m sv\u011bt\u011b neb\u00fdval\u00e9 hrozby. V\u011bdci v\u0161ak objevili z\u00e1blesk nad\u011bje v podob\u011b parohov\u00e9ho kor\u00e1lu, druhu, kter\u00fd se dok\u00e1zal p\u0159izp\u016fsobit extr\u00e9mn\u00edmu horku d\u00edky sv\u00e9mu symbiotick\u00e9mu vztahu s teplu odolnou \u0159asou zn\u00e1mou jako Durusdinium glynnii.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Aliance kor\u00e1l\u016f a \u0159as<\/strong><\/h3>\n\n<p>Kor\u00e1lov\u00e9 \u00fatesy prosperuj\u00ed d\u00edky vz\u00e1jemn\u011b prosp\u011b\u0161n\u00e9mu vztahu mezi kor\u00e1ly a \u0159asami. \u0158asy prost\u0159ednictv\u00edm fotosynt\u00e9zy poskytuj\u00ed kor\u00e1l\u016fm z\u00e1kladn\u00ed \u017eiviny. Kor\u00e1ly na opl\u00e1tku nab\u00edzej\u00ed \u0159as\u00e1m ochranu a stabiln\u00ed prost\u0159ed\u00ed. Rostouc\u00ed teploty oce\u00e1n\u016f v\u0161ak mohou tuto k\u0159ehkou rovnov\u00e1hu naru\u0161it a zp\u016fsobit, \u017ee kor\u00e1ly vyvrhnou sv\u00e9 \u0159asy a nakonec zem\u0159ou hlady \u2013 procesu zn\u00e1m\u00e9mu jako b\u011blen\u00ed kor\u00e1l\u016f.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>V\u00fdhoda parohov\u00e9ho kor\u00e1lu odoln\u00e9ho v\u016f\u010di teplu<\/strong><\/h3>\n\n<p>Na rozd\u00edl od mnoha jin\u00fdch druh\u016f kor\u00e1l\u016f se parohov\u00fd kor\u00e1l p\u0159izp\u016fsobil tak, aby sn\u00e1\u0161el vy\u0161\u0161\u00ed teploty d\u00edky sv\u00e9mu partnerstv\u00ed s Durusdinium glynnii. Tato teplu odoln\u00e1 \u0159asa poskytuje parohov\u00e9mu kor\u00e1lu ochranu p\u0159ed intenzivn\u00edm teplem, co\u017e mu umo\u017e\u0148uje prosperovat i v otepluj\u00edc\u00edch se vod\u00e1ch.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>V\u00fdhody symbi\u00f3zy<\/strong><\/h3>\n\n<p>Studie uk\u00e1zaly, \u017ee parohov\u00fd kor\u00e1l sp\u00e1rovan\u00fd s Durusdinium glynnii vykazuje podobn\u00e9 m\u00edry r\u016fstu jako kor\u00e1ly s tepeln\u011b citliv\u00fdmi \u0159asami. Je pozoruhodn\u00e9, \u017ee b\u011bhem letn\u00edch m\u011bs\u00edc\u016f parohov\u00fd kor\u00e1l s tepeln\u011b odoln\u00fdmi \u0159asami zaznamen\u00e1v\u00e1 zrychlen\u00fd r\u016fst, kter\u00fd mu umo\u017e\u0148uje dohnat sv\u00e9 prot\u011bj\u0161ky. Ob\u011b dvojice nav\u00edc vykazuj\u00ed srovnatelnou m\u00edru plodnosti.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Simulovan\u00e9 testy teplotn\u00edch vln<\/strong><\/h3>\n\n<p>V\u011bdci provedli simulovan\u00e9 experimenty s teplotn\u00edmi vlnami, aby posoudili odolnost parohov\u00e9ho kor\u00e1lu. Vystavili kor\u00e1ly s tepeln\u011b odoln\u00fdmi i citliv\u00fdmi \u0159asami zv\u00fd\u0161en\u00fdm teplot\u00e1m vody. V\u00fdsledky byly ohromuj\u00edc\u00ed: tepeln\u011b odoln\u00e1 dvojice nevykazovala \u017e\u00e1dn\u00fd pokles ve v\u00fdrob\u011b energie, zat\u00edmco citliv\u00e1 dvojice utrp\u011bla zna\u010dn\u00e9 metabolick\u00e9 po\u0161kozen\u00ed. Nav\u00edc se uk\u00e1zalo, \u017ee dvojice s tepeln\u011b odoln\u00fdmi \u0159asami dokonce vykazovala zv\u00fd\u0161en\u00fd r\u016fst za t\u011bchto stresov\u00fdch podm\u00ednek.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>D\u016fsledky pro ochranu kor\u00e1lov\u00fdch \u00fates\u016f<\/strong><\/h3>\n\n<p>Objev tepeln\u011b odoln\u00fdch schopnost\u00ed parohov\u00e9ho kor\u00e1lu m\u00e1 v\u00fdznamn\u00e9 d\u016fsledky pro ochranu kor\u00e1lov\u00fdch \u00fates\u016f. Pochopen\u00edm mechanism\u016f, kter\u00e9 stoj\u00ed za touto odolnost\u00ed, mohou v\u011bdci vyvinout strategie pro vytvo\u0159en\u00ed \u201esuperkor\u00e1l\u016f\u201c, kter\u00e9 dok\u00e1\u017eou odolat stoupaj\u00edc\u00edm teplot\u00e1m oce\u00e1n\u016f.<\/p>\n\n<p>Jeden p\u0159\u00edstup zahrnuje hled\u00e1n\u00ed dal\u0161\u00edch tepeln\u011b odoln\u00fdch druh\u016f \u0159as v p\u0159\u00edrod\u011b nebo jejich \u0161lecht\u011bn\u00ed v laborato\u0159i. Dal\u0161\u00ed metodou je transplantace tepeln\u011b odoln\u00fdch \u0159as do kor\u00e1lov\u00fdch \u0161kolek, kde mohou nav\u00e1zat nov\u00e9 symbiotick\u00e9 vztahy s kor\u00e1ly.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Dal\u0161\u00ed populace tepeln\u011b odoln\u00fdch kor\u00e1l\u016f<\/strong><\/h3>\n\n<p>V\u00fdzkumn\u00edci zkoumaj\u00ed potenci\u00e1l dal\u0161\u00edch populac\u00ed kor\u00e1l\u016f, kter\u00e9 se p\u0159izp\u016fsobily extr\u00e9mn\u00edmu teplu. V Palau, ostrovn\u00edm st\u00e1t\u011b v Tich\u00e9m oce\u00e1nu, v\u011bdci identifikovali tepeln\u011b odoln\u00e9 druhy kor\u00e1l\u016f, kter\u00e9 prosperuj\u00ed i p\u0159es vysok\u00e9 teploty oce\u00e1nu. Studium t\u011bchto populac\u00ed a jejich symbiotick\u00fdch vztah\u016f m\u016f\u017ee poskytnout cenn\u00e9 poznatky pro \u00fasil\u00ed o ochranu kor\u00e1lov\u00fdch \u00fates\u016f.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Nal\u00e9havost akce<\/strong><\/h3>\n\n<p>I kdy\u017e objev tepeln\u011b odoln\u00fdch kor\u00e1l\u016f d\u00e1v\u00e1 nad\u011bji na budoucnost kor\u00e1lov\u00fdch \u00fates\u016f, je nezbytn\u00e9 \u0159e\u0161it hlavn\u00ed p\u0159\u00ed\u010dinu oteplov\u00e1n\u00ed oce\u00e1n\u016f \u2013 zm\u011bnu klimatu. V\u011bdci varuj\u00ed, \u017ee i tepeln\u011b odoln\u00e9 kor\u00e1ly mohou m\u00edt po roce 2070 probl\u00e9my s p\u0159e\u017eit\u00edm. Je zapot\u0159eb\u00ed nal\u00e9hav\u00fdch opat\u0159en\u00ed ke sn\u00ed\u017een\u00ed emis\u00ed sklen\u00edkov\u00fdch plyn\u016f a zm\u00edrn\u011bn\u00ed dopad\u016f zm\u011bny klimatu na tyto \u017eivotn\u011b d\u016fle\u017eit\u00e9 ekosyst\u00e9my.<\/p>","protected":false},"excerpt":{"rendered":"<p>Parohov\u00fd kor\u00e1l: Paprsek nad\u011bje v otepluj\u00edc\u00edch se vod\u00e1ch Rostouc\u00ed teploty oce\u00e1n\u016f zp\u016fsoben\u00e9 zm\u011bnou klimatu p\u0159edstavuj\u00ed pro kor\u00e1lov\u00e9 \u00fatesy po cel\u00e9m sv\u011bt\u011b neb\u00fdval\u00e9 hrozby. V\u011bdci v\u0161ak objevili z\u00e1blesk nad\u011bje v podob\u011b&hellip;<\/p>\n","protected":false},"author":6,"featured_media":23519,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[5545,5547,5544,363,361,5550,5546,3398,5551,5549,5548,34],"class_list":["post-2804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-coral-bleaching","tag-durusdinium-glynnii","tag-antler-coral","tag-coral-reefs","tag-marine-biology","tag-ocean-temperatures","tag-coral-conservation","tag-ocean-acidification","tag-symbiotic-relationships","tag-heat-tolerant-coral","tag-heat-resistant-algae","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/2804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=2804"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/2804\/revisions"}],"predecessor-version":[{"id":2805,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/2804\/revisions\/2805"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23519"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=2804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=2804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=2804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}