{"id":277641,"date":"2024-01-13T18:23:16","date_gmt":"2024-01-13T12:53:16","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=277641"},"modified":"2024-01-13T18:23:16","modified_gmt":"2024-01-13T12:53:16","slug":"thylakoids","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/thylakoids\/","title":{"rendered":"Thylakoids"},"content":{"rendered":"<p><strong>Source:<\/strong> This post is based on the article <strong>&#8220;What are thylakoid membranes?&#8221;<\/strong> published in <strong>&#8220;The Hindu&#8221;<\/strong> on 11 January 2024.<\/p>\n<h2>Why in news?<\/h2>\n<p>Researchers at the <strong>University of Li\u00e8ge, Belgium<\/strong> have identified microstructures in fossil cells that are <strong>1.75 billion years old.\u00a0<\/strong><\/p>\n<h2>What are the recent findings related to Thylakoids?<\/h2>\n<p>1) <span class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\">The oldest known fossil thylakoids date back approximately 550 million years. <\/span><\/p>\n<p><span class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\">2) However, researchers have identified thylakoid membranes in fossil cells that are 1.75 billion years old.<\/span><\/p>\n<p><span class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\">3) These findings suggest a minimum age for the divergence between cyanobacteria with and without thylakoids.<\/span><\/p>\n<p>3) <span class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\">It presents a possibility that<\/span>\u00a0that the development of thylakoids might have significantly contributed to the phenomenon known as the <strong>&#8216;Great Oxygenation&#8217;.<\/strong><\/p>\n<h2>What is \u2018Great Oxygenation\u2019 event?<\/h2>\n<p>1) Around <strong>2.4 billion years ago on earth the oxygen released by cyanobacteria<\/strong> filled the ocean and made its waters oxygen rich.<\/p>\n<p>2) Over time, this <strong>oxygen started escaping into the atmosphere<\/strong>, where it <strong>reacted with methane. <\/strong><\/p>\n<p>3) As more oxygen escaped, <strong>methane was eventually displaced<\/strong>, and oxygen became a major component of the atmosphere.<\/p>\n<p>4) This event is known as the<strong> Great Oxidation Event.<\/strong><\/p>\n<h2>What are thylakoid?<\/h2>\n<figure style=\"width: 412px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/i0.wp.com\/useruploads.socratic.org\/0TD5zmz8Q8G387YAgFVC_chloroplast.jpg?resize=412%2C263&#038;ssl=1\" alt=\"Thylakoid Membrane Photosynthesis\" width=\"412\" height=\"263\" \/><figcaption class=\"wp-caption-text\">Thylakoid Membrane<strong> Source: Animalia<\/strong><\/figcaption><\/figure>\n<p>1) Thylakoids are little pouches located in the <strong>chloroplasts of plants. <\/strong><\/p>\n<p>2) They are found in <strong>ancient, light-sensitive bacteria<\/strong> called <strong>cyanobacteria. <\/strong><\/p>\n<p><strong>Note:<\/strong> Cyanobacteria are <strong>photosynthetic bacteria <\/strong>that obtain energy through photosynthesis. They are often referred to as <strong>blue-green algae,<\/strong> although they are not classified as true algae.<\/p>\n<p>3) They<strong> store\u00a0chlorophyll,<\/strong>\u00a0the substance in plants that reacts to sunlight and triggers photosynthesis.<\/p>\n<p>4) The\u00a0<strong>thylakoid&#8217;s function<\/strong>\u00a0is to <strong>perform light-dependent reactions in photosynthesis.<\/strong><\/p>\n<p><strong>UPSC Syllabus: Science and Technology<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: This post is based on the article &#8220;What are thylakoid membranes?&#8221; published in &#8220;The Hindu&#8221; on 11 January 2024. Why in news? Researchers at the University of Li\u00e8ge, Belgium have identified microstructures in fossil cells that are 1.75 billion years old.\u00a0 What are the recent findings related to Thylakoids? 1) The oldest known fossil&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/thylakoids\/\">Continue reading <span class=\"screen-reader-text\">Thylakoids<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738],"tags":[11872],"class_list":["post-277641","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/277641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=277641"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/277641\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=277641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=277641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=277641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}