{"id":91592,"date":"2026-03-08T11:51:19","date_gmt":"2026-03-08T06:21:19","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=91592"},"modified":"2026-03-09T16:51:54","modified_gmt":"2026-03-09T11:21:54","slug":"deinococcus-radiodurans","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/deinococcus-radiodurans\/","title":{"rendered":"Deinococcus radiodurans"},"content":{"rendered":"<h2><b>Deinococcus radiodurans Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Researchers recently found that the bacteria Deinococcus radiodurans, famous for being able to survive extreme radiation and dryness, can also survive the intense pressures of being blasted off of a planet\u2019s surface: 14,000-24,000 earth atmospheres. <\/span><\/p>\n<h2><b>About Deinococcus radiodurans<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is a <\/span><b>bacterium <\/b><span style=\"font-weight: 400;\">best known for its <\/span><b>extreme resistance to the lethal effects of ionizing radiation.<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">This bacterium is <\/span><b>gram-positive<\/b><span style=\"font-weight: 400;\"> (which means it has a certain kind of cell wall), doesn&#8217;t move on its own <\/span><b>(it&#8217;s nonmotile)<\/b><span style=\"font-weight: 400;\">, and has a <\/span><b>reddish color.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It was first found in 1956 in canned meat that had been treated with radiation to kill germs.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><b>Dubbed \u201cConan the Bacterium<\/b><span style=\"font-weight: 400;\">\u201d for its extraordinary <\/span><b>ability to tolerate<\/b><span style=\"font-weight: 400;\"> the <\/span><b>harshest of conditions<\/b><span style=\"font-weight: 400;\">, D. radiodurans can withstand radiation doses thousands of times higher than what would kill a human.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is known as the <\/span><b>most radiation-resistant organism on Earth.<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The secret behind this impressive resistance is the <\/span><b>presence of a collection of simple metabolites, <\/b><span style=\"font-weight: 400;\">which <\/span><b>combine with manganese<\/b><span style=\"font-weight: 400;\"> to<\/span><b> form a powerful antioxidant<\/b><span style=\"font-weight: 400;\"> that is <\/span><b>more resistant to radiation.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D. radiodurans has special ways to <\/span><b>fix its own DNA if it gets damaged. <\/b><span style=\"font-weight: 400;\">An <\/span><b>enzyme <\/b><span style=\"font-weight: 400;\">called <\/span><b>thioredoxin reductase helps its cells fix broken DNA strands.<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It can <\/span><b>also get rid of damaged DNA parts<\/b><span style=\"font-weight: 400;\"> and <\/span><b>has extra copies of its important genes.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">This <\/span><b>helps it recover from being very dry<\/b><span style=\"font-weight: 400;\"> (called desiccation) <\/span><b>or from not having enough food <\/b><span style=\"font-weight: 400;\">(called starvation).<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It can <strong>l<\/strong><\/span><b>ive through extreme cold, dehydration, vacuum, and even acid. <\/b><\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/science-snapshots-march-8-2026\/article70710096.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deinococcus radiodurans is a bacterium best known for its extreme resistance to the lethal effects of ionizing radiation. Read more about Deinococcus radiodurans, Latest News<\/p>\n","protected":false},"author":23,"featured_media":91835,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[5935,21,22,23],"class_list":{"0":"post-91592","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-deinococcus-radiodurans","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/91592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=91592"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/91592\/revisions"}],"predecessor-version":[{"id":91847,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/91592\/revisions\/91847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/91835"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=91592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=91592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=91592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}