{"id":142,"date":"2017-04-16T06:33:23","date_gmt":"2017-04-16T03:33:23","guid":{"rendered":"http:\/\/blog.metu.edu.tr\/muyucel\/?p=142"},"modified":"2018-07-08T21:24:07","modified_gmt":"2018-07-08T18:24:07","slug":"derin-denizlerde-yasayan-sicaklik-rekortmeni-pompei-solucani","status":"publish","type":"post","link":"https:\/\/blog.metu.edu.tr\/muyucel\/2017\/04\/16\/derin-denizlerde-yasayan-sicaklik-rekortmeni-pompei-solucani\/","title":{"rendered":"Derin denizlerde ya\u015fayan s\u0131cakl\u0131k rekortmeni: Pompei Solucan\u0131"},"content":{"rendered":"

Batuhan<\/em><\/p>\n

Pasifikte yer alan okyanus s\u0131rtlar\u0131n\u0131n karakteristik ve en ilgin\u00e7 hayvan t\u00fcrlerinden biri de Pompei Solucan\u0131, bilimsel ad\u0131yla Alvinella pompejena<\/em>. Hidrotermal p\u00fcsk\u00fcrmenin oldu\u011fu \u00e7atlaklar\u0131n etraf\u0131n\u0131 s\u00fclfid oksitleyen kemoototrofik bakteri matlar\u0131n\u0131n kaplamas\u0131n\u0131n hemen ard\u0131ndan Pompei solucanlar\u0131 b\u00f6lgeye yerle\u015fiyor, yani bu t\u00fcr hidrotermal ekosistem kom\u00fcnitelerinin ilk sakinlerinden. Pompei solucanlar\u0131 Polychaeta<\/em> yani i\u011fneli solucanlar s\u0131n\u0131f\u0131na mensup, ayn\u0131 s\u0131n\u0131ftan olan ve benzer ortamlarda ya\u015fayan dev t\u00fcp solucan\u0131 (Riftia pachyptila)<\/em> gibi endosimbiyotik bakterilere sahip de\u011fil, etraf\u0131ndaki s\u00fclfid oksitleyen bakterileri birer dokuna\u00e7a benzeyen solunga\u00e7lar\u0131 ile s\u00fcz\u00fcp midesine g\u00f6ndererek besleniyor. Pompei solucanlar\u0131 15 cm boya kadar eri\u015febiliyor.<\/p>\n

\"\"<\/a><\/p>\n

<\/p>\n

\"\"<\/a><\/p>\n

S\u00fclfid oksitleyen bakterilere yak\u0131n olmak demek s\u00fclfid kayna\u011f\u0131 olan s\u0131cak sulara da yak\u0131n olmak demek, konu s\u0131cakta ya\u015famak olunca Pompei solucanlar\u0131 birer rekortmen. En y\u00fcksek s\u0131cakl\u0131\u011fa dayanma rekorunu ba\u015fka hayvan t\u00fcrleri (Su ay\u0131lar\u0131) ile payla\u015fsalar da en y\u00fcksek s\u0131cakl\u0131k fark\u0131 aras\u0131nda ya\u015fayan hayvan \u00fcnvan\u0131n\u0131 ellerinde bulunduruyorlar. Pompei solucanlar\u0131n\u0131n ya\u015fad\u0131klar\u0131 t\u00fcplerin i\u00e7inde s\u0131cakl\u0131k 80 \u00b0C\u2019ye ula\u015fabiliyor, solunga\u00e7lar\u0131 ise 20-25 \u00b0C aras\u0131ndaki sulardan besin ve oksijen topluyor.<\/p>\n

\"\"<\/a><\/p>\n

Pompei solucanlar\u0131n\u0131n ya\u015fad\u0131klar\u0131 t\u00fcpler demi\u015fken, bu t\u00fcpler bir i\u015fbirli\u011finin \u00fcr\u00fcn\u00fc, solucanlar bir mukus tabakas\u0131 salg\u0131layarak \u00e7evrelerinde ya\u015fayan hetererotrof bakterilere besin ve ya\u015famalar\u0131 i\u00e7in uygun bir ortam sa\u011fl\u0131yor, bakteriler de bu f\u0131rsat\u0131 ka\u00e7\u0131rm\u0131yor ve buraya yerle\u015ferek bir tabaka olu\u015fturuyorlar, tabaka zamanla kal\u0131nla\u015f\u0131yor ve Pompei solucanlar\u0131n\u0131n evlerini olu\u015fturuyor. Pompei solucanlar\u0131, s\u00fclfid \u00e7\u0131k\u0131\u015f\u0131n\u0131n yo\u011funla\u015ft\u0131\u011f\u0131 \u00e7atlaklar etraf\u0131ndaki kayalarda b\u00fcy\u00fck koloniler halinde ya\u015f\u0131yorlar. Alvin bakteri matlar\u0131 ile kapl\u0131 kaya \u00f6rnekleri getirdi\u011finde bol miktarda Pompei solucan\u0131n\u0131 da beraberinde getiriyor.<\/p>\n

\"\"<\/a><\/p>\n

1980 y\u0131l\u0131nda ke\u015ffedilip tan\u0131mlanan t\u00fcr\u00fcn isminde ge\u00e7en Alvinella <\/em>ad\u0131 derin denizleri ke\u015ffetmemizde pay\u0131 b\u00fcy\u00fck olan Alvin\u2019in onuruna verilmi\u015f. Pompei solucanlar\u0131n\u0131n 60 dereceye varan s\u0131cakl\u0131k fark\u0131na ra\u011fmen ya\u015famlar\u0131n\u0131 devam ettirebilmeleri, bu farklara dayanabilen protein ve enzimlere sahip olmas\u0131 bilim ve end\u00fcstri d\u00fcnyas\u0131n\u0131n dikkatini \u00e7ekmi\u015f durumda. Sa\u011fl\u0131ktan g\u0131daya ve hatta deterjan sekt\u00f6r\u00fcne bir \u00e7ok alanda onlarca ara\u015ft\u0131rma s\u00fcrmekte. Bu durum derin deniz ara\u015ft\u0131rmalar\u0131n\u0131n g\u00fcnl\u00fck hayat\u0131m\u0131za olumlu yans\u0131malar\u0131n\u0131 anlatan g\u00fczel bir \u00f6rnek.<\/p>\n

\"\"<\/a><\/strong><\/p>\n

 <\/p>\n

Foto\u011fraflar Eric De Carlo taraf\u0131ndan \u00e7ekilmi\u015f ve payla\u015f\u0131lm\u0131\u015ft\u0131r. Alvinella t\u00fcp\u00fc i\u00e7erisinde s\u0131cakl\u0131k ve elktrokimyasal \u00f6l\u00e7\u00fcmleri g\u00f6steren grafik George Luther\u2019e ait sunumdan al\u0131nm\u0131\u015ft\u0131r.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Batuhan Pasifikte yer alan okyanus s\u0131rtlar\u0131n\u0131n karakteristik ve en ilgin\u00e7 hayvan t\u00fcrlerinden biri de Pompei Solucan\u0131, bilimsel ad\u0131yla Alvinella pompejena. Hidrotermal p\u00fcsk\u00fcrmenin oldu\u011fu \u00e7atlaklar\u0131n etraf\u0131n\u0131 s\u00fclfid oksitleyen kemoototrofik bakteri matlar\u0131n\u0131n kaplamas\u0131n\u0131n hemen ard\u0131ndan Pompei solucanlar\u0131 b\u00f6lgeye yerle\u015fiyor, yani bu t\u00fcr hidrotermal ekosistem kom\u00fcnitelerinin ilk sakinlerinden. Pompei solucanlar\u0131 Polychaeta yani i\u011fneli solucanlar s\u0131n\u0131f\u0131na mensup, ayn\u0131 s\u0131n\u0131ftan […]<\/p>\n","protected":false},"author":3466,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[5],"tags":[],"class_list":["post-142","post","type-post","status-publish","format-standard","hentry","category-2017-alvin-pasifik-seferi"],"_links":{"self":[{"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/posts\/142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/users\/3466"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/comments?post=142"}],"version-history":[{"count":0,"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/posts\/142\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/media?parent=142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/categories?post=142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/muyucel\/wp-json\/wp\/v2\/tags?post=142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}