{"id":135994,"date":"2024-12-12T00:36:17","date_gmt":"2024-12-11T17:36:17","guid":{"rendered":"https:\/\/hotvideos24.online\/?p=135994"},"modified":"2024-12-12T00:36:17","modified_gmt":"2024-12-11T17:36:17","slug":"conan-the-bacterium-is-extremely-radiation-resistant-for-a-surprising-reason","status":"publish","type":"post","link":"https:\/\/hotvideos24.online\/?p=135994","title":{"rendered":"\u2018Conan the Bacterium\u2019 is extremely radiation-resistant for a surprising reason"},"content":{"rendered":"<p> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<\/p>\n<div data-editable=\"content\" itemprop=\"articleBody\" data-reorderable=\"content\">\n<p data-uri=\"cms.cnn.com\/_components\/editor-note\/instances\/cm4k1nc2g0006356mvlbfvldv@published\" data-editable=\"text\" data-component-name=\"editor-note\" class=\"editor-note vossi-editor-note inline-placeholder \" data-article-gutter=\"true\">\n    <em>Sign up for CNN\u2019s Wonder Theory science newsletter.\u00a0<\/em><a href=\"https:\/\/www.cnn.com\/newsletters\/wonder-theory?source=nl-acq_article\"><em>Explore the universe with news on fascinating discoveries, scientific advancements and more<\/em><\/a>.\n<\/p>\n<p>\n    <cite class=\"source__cite\"><br \/>\n      <span class=\"source__location\" data-editable=\"location\"\/><br \/>\n      <span class=\"source__text\" data-editable=\"source\">CNN<\/span><br \/>\n        \u00a0\u2014\u00a0<br \/>\n    <\/cite>\n<\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1mgjo003i26p55pxp3mif@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            A type of bacteria called Deinococcus radiodurans, nicknamed \u201cConan the Bacterium\u201d for its ability to survive the harshest of extremes, can withstand radiation doses 28,000 times greater than those that would kill a human being \u2014 and the secret to its success is rooted in an antioxidant.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000j356m7qir1ceq@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Now, scientists have uncovered how the antioxidant works, unlocking the possibility that it could be used to protect the health of humans, both on Earth and those exploring beyond it in the future.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000k356m4ye48rvu@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The antioxidant is formed by a simple group of small molecules called metabolites, including manganese, phosphate and a small peptide, or molecule, of amino acids.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000l356mtgd66b14@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Together, this powerful trilogy is more effective in protecting against radiation than manganese combined with just one of the other components, according to a new study published Monday in the Proceedings of the National Academy of Sciences.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000m356ma3uhkzaq@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The findings could be used to protect astronauts from high doses of cosmic radiation on future deep-space missions across our solar system, according to the study authors.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000n356m1mjyxp2a@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cWe\u2019ve long known that manganese ions and phosphate together make a strong antioxidant, but discovering and understanding the \u2018magic\u2019 potency provided by the addition of the third component is a breakthrough. This study has provided the key to understanding why this combination is such a powerful \u2014 and promising \u2014 radioprotectant,\u201d said study coauthor Brian Hoffman, the Charles E. and Emma H. Morrison Professor of Chemistry and professor of molecular biosciences at Northwestern University\u2019s Weinberg College of Arts and Sciences, in a statement.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000o356m6hsxok5a@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Previous research has shown that Deinococcus, known as the most radiant-resistant life-form in the <a href=\"https:\/\/www.guinnessworldrecords.com\/world-records\/most-radiation-resistant-lifeform\" target=\"_blank\" rel=\"noopener\">Guinness World Records<\/a>, can survive <a href=\"https:\/\/www.cnn.com\/2020\/08\/26\/world\/earth-mars-bacteria-space-scn\/index.html\">outside of the International Space Station <\/a>for three years. The hardy bacteria can also withstand acid, cold and dehydration.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qi000p356m8lq4d7lh@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Hoffman and Michaely Daly, Uniformed Services University of the Health Sciences professor of pathology, also demonstrated the bacteria\u2019s incredible survivability. The October 2022 report, which the duo coauthored with a team of researchers, showed that if Deinococcus ever existed on Mars, the frozen microbes could have <a href=\"https:\/\/www.cnn.com\/2022\/10\/26\/world\/ancient-bacteria-mars-subsurface-scn\/index.html\">survived for millions of years<\/a>.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000q356mpsggysuv@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            For the previous study, the team measured the amount of manganese antioxidants in the cells of the bacteria. The researchers found that the amount of radiation that a microorganism could survive was directly related to its amount of manganese antioxidants. So the more manganese antioxidants present, the more resistance to radiation.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000r356ms0h6nzi2@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            When dried and frozen, Deinococcus radiodurans could survive 140,000 grays, or units of X-and gamma-ray radiation, which is 28,000 times greater than the amount of radiation that could kill a person.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000s356m7j3v5cw6@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            For the latest research, Hoffman, Daly and their colleagues used MDP, or melatonin-derived protective, a synthetic antioxidant inspired by Deinococcus radiodurans that Daly designed. This antioxidant has been used in radiation-inactivated polyvalent vaccines, which rely on radiation to shut down pathogens like chlamydia. Daly, who has studied Deinococcus radiodurans for years, is also on the National Academies\u2019 Committee on Planetary Protection.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000t356mleqqkcvc@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The study team analyzed how MDP\u2019s active components, including manganese, phosphate and a peptide called DP1, protect cells and proteins from radiation exposure. When the peptide and phosphate bind to manganese, they create a ternary, or triple, complex that is highly effective in protecting against radiation. Together, the metabolites in MDP create a \u201csecret sauce,\u201d Hoffman said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000u356mof5p46ur@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Dr. Tetyana Milojevic, chair of exobiology at the University of Orl\u00e9ans in France, said the study provides new insights into how radioprotective shields could be created by metabolites, and potentially enhanced in the future. Tetyana was not involved in the study.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000v356ma1dtnjet@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cThis new understanding of MDP could lead to the development of even more potent manganese-based antioxidants for applications in health care, industry, defense and space exploration,\u201d Daly said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000w356mppwzz4ww@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Daly noted that astronauts on deep-space missions would be exposed to high levels of radiation, primarily from energetic particles traveling through the cosmos called cosmic rays.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000x356mm7483263@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cMDP, being a simple, cost-effective, nontoxic, and highly effective radioprotector, could be administered orally to mitigate these space radiation risks,\u201d he said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000y356mg90cjg6j@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            On Earth, the antioxidant could be used for protection against accidents that release radiation.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm4k1r4qj000z356mx8kj3py2@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Now, the team is curious to see whether this triple complex behind Deinococcus\u2019 antioxidant exists in cells of other organisms, and if so, if they could be responsible for radiation-resistance in them, Hoffman said.\n    <\/p>\n<\/p><\/div>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<br \/><div data-type=\"_mgwidget\" data-widget-id=\"1660802\">\r\n<\/div>\r\n<script>(function(w,q){w[q]=w[q]||[];w[q].push([\"_mgc.load\"])})(window,\"_mgq\");\r\n<\/script>\r\n<br \/>\n<br \/><a href=\"https:\/\/www.cnn.com\/2024\/12\/11\/science\/conan-the-bacterium-antioxidant\/index.html\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sign up for CNN\u2019s Wonder Theory science newsletter.\u00a0Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN \u00a0\u2014\u00a0 A type of bacteria called Deinococcus radiodurans, nicknamed \u201cConan &hellip; <a href=\"https:\/\/hotvideos24.online\/?p=135994\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8628],"tags":[],"class_list":["post-135994","post","type-post","status-publish","format-standard","hentry","category-science","entry"],"_links":{"self":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/135994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135994"}],"version-history":[{"count":0,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/135994\/revisions"}],"wp:attachment":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}