{"id":157549,"date":"2025-03-25T22:00:00","date_gmt":"2025-03-25T21:00:00","guid":{"rendered":"https:\/\/podcast.rs\/?p=157549"},"modified":"2025-03-25T23:43:55","modified_gmt":"2025-03-25T21:43:55","slug":"radio-galaksija-197-genetika-i-ponasanje-ptica-dr-vladimir-jovanovic-25-03-2025","status":"publish","type":"post","link":"https:\/\/podcast.rs\/en\/radio-galaksija-197-genetika-i-ponasanje-ptica-dr-vladimir-jovanovic-25-03-2025\/","title":{"rendered":"Radio Galaksija #197: Genetika i pona\u0161anje ptica (dr Vladimir Jovanovi\u0107) [25-03-2025]"},"content":{"rendered":"<p>U ovoj epizodi istra\u017eujemo kako geni oblikuju pona\u0161anje kod ptica, i kako samo jedan gen mo\u017ee promeniti sve \u2013 od nivoa hormona, preko izgleda, pa do strategije parenja.<\/p>\n<p>Na\u0161 sagovornik je <a href=\"https:\/\/www.bcp.fu-berlin.de\/en\/biologie\/arbeitsgruppen\/zoologie\/ag_nowick\/mitarbeiter\/javonovic\/index.html\"><b>dr Vladimir Jovanovi\u0107<\/b><\/a>, biolog i istra\u017eiva\u010d sa <em>Freie Univerziteta<\/em> u Berlinu, koji je sa kolegama nedavno objavio rad u \u010dasopisu <em>Science<\/em>, o izuzetnom primeru <b>pona\u0161ajnog polimorfizma kod ptice sprudnik ubojica (Philomachus pugnax, en. <\/b><b><em>ruff sandpiper<\/em><\/b><b>)<\/b>.<\/p>\n<p>Ova vrsta ima tri razli\u010dita oblika mu\u017ejaka \u2013 jedan je agresivni i dominantni, &#8222;nezavisni&#8220;, drugi je udvorni &#8222;satelit&#8220;, a tre\u0107i je &#8222;faeder&#8220;, mu\u017ejak koji izgleda i pona\u0161a se kao \u017eenka. Zajedni\u010dko im je jedno: sve ih oblikuje <b>isti gen<\/b> \u2013 <em>HSD17B2<\/em>.<\/p>\n<p>Kroz ovaj konkretan slu\u010daj razgovaramo i o \u0161irim temama:<\/p>\n<ul>\n<li>\u0161ta su pona\u0161ajni polimorfizmi i koliko su \u010desti u prirodi,<\/li>\n<li>kako se istra\u017euju geneti\u010dke osnove pona\u0161anja kod ptica (i generalno divljih \u017eivotinja),<\/li>\n<li>koja je uloga hormona u povezivanju gena i pona\u0161anja,<\/li>\n<li>i \u0161ta sve to govori o evoluciji i slo\u017eenosti \u017eivih sistema.<\/li>\n<\/ul>\n<p>Epizoda doti\u010de i filozofska pitanja o biologiji pona\u0161anja \u2013 da li je pona\u0161anje &#8222;kodirano&#8220;, koliko su na\u0161i \u017eivoti biolo\u0161ki usmereni, i koliko prostora ostaje za varijaciju, prilago\u0111avanje i izbor, i sli\u010dno.\u00a0<\/p>\n<p>Ovo je epizoda o genetici, hormonima, istra\u017eivanju u prirodi i jednoj neobi\u010dnoj ptici koja nas u\u010di o raznolikosti \u017eivota.<\/p>\n<p><\/p>\n<p>Originalni nau\u010dni rad o kom smo pri\u010dali mo\u017eete prona\u0107i ovde:\u00a0<\/p>\n<p>Loveland, J. L., Jovanovi\u0107, V., Tuttle, E. M., Lamichhaney, S., &amp; Andersson, L. (2024). <b>A single gene orchestrates androgen variation underlying male mating morphs in ruffs. <\/b><em>Science<\/em>, <b>383<\/b>(6676), 1072\u20131078. https:\/\/doi.org\/10.1126\/science.adp5936<\/p>\n<p>\ud83d\udd17 Direktan link: <a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.adp5936\">https:\/\/www.science.org\/doi\/10.1126\/science.adp5936<\/a><\/p>\n<p><a rel=\"payment\" href=\"http:\/\/patreon.com\/radiogalaksija\">Support the show<\/a><\/p>\n<p>Vi\u0161e o Radio Galaksiji, kao i mnoge druge sadr\u017eaje, mo\u017eete na\u0107i na na\u0161em sajtu: <a href=\"https:\/\/radiogalaksija.rs\"><b>https:\/\/radiogalaksija.rs<\/b><\/a>. A ako volite ovo \u0161to radimo i \u017eelite da pomognete, potra\u017eite vi\u0161e informacija o tome kako to mo\u017eete da uradite nalazi se <a href=\"https:\/\/radiogalaksija.rs\/donacije\/\"><b>ovde<\/b><\/a>. <\/p>","protected":false},"excerpt":{"rendered":"<p>U ovoj epizodi istra\u017eujemo kako geni oblikuju pona\u0161anje kod ptica, i kako samo jedan gen mo\u017ee promeniti sve \u2013 od nivoa hormona, preko izgleda, pa do strategije parenja. Na\u0161 sagovornik je dr Vladimir Jovanovi\u0107, biolog i istra\u017eiva\u010d sa Freie Univerziteta u Berlinu, koji je sa kolegama nedavno objavio rad u \u010dasopisu Science, o izuzetnom primeru&#8230;<\/p>","protected":false},"author":3,"featured_media":41315,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"audio","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-157549","post","type-post","status-publish","format-audio","has-post-thumbnail","hentry","category-radio-galaksija","post_format-post-format-audio"],"_links":{"self":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts\/157549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/comments?post=157549"}],"version-history":[{"count":1,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts\/157549\/revisions"}],"predecessor-version":[{"id":157550,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts\/157549\/revisions\/157550"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/media\/41315"}],"wp:attachment":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/media?parent=157549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/categories?post=157549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/tags?post=157549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}