{"id":73100,"date":"2019-04-16T13:43:32","date_gmt":"2019-04-16T13:43:32","guid":{"rendered":"https:\/\/www.edristi.in\/?p=73100"},"modified":"2019-04-16T13:43:41","modified_gmt":"2019-04-16T13:43:41","slug":"death-switch-mechanism-in-plants","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/death-switch-mechanism-in-plants\/","title":{"rendered":"Death Switch Mechanism in Plants"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Question: Scientists of which country have recently discovered Death Switch mechanism in Plant`s Immune System?<br> (a) USA<br> (b) UK<br> (c) China<br> (d) Luxemburg<br> Answer: (c)<br> Related facts:<\/strong><\/p>\n\n\n\n<ul><li>Chinese scientists have discovered a possible Death Switch mechanism in plant\u2019s immune system that triggers infected cells to self-destruct, thus limiting the spread of the disease and keeping other parts of the plant healthy.<\/li><li>Death Switch is usually harmless to the plant as it affects only the diseased cells, which are a tiny portion of the entire plant.<\/li>\n<script async=\"\" src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<ins class=\"adsbygoogle\" style=\"display:block; text-align:center;\"\ndata-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-7086827700842303\" data-ad-slot=\"2662621974\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<li>The finding of this research was published on 5th April, 2019 in Journal Science.<\/li><li>The research was done by scientists from Tsinghua University and the Chinese Academy of Sciences&#8217; Institute of Genetics and Development Biology.<\/li><li>Scientists about 20 years ago discovered that plants also have robust immune system like animals. This system can protect itself from pathogens including viruses, fungi, bacteria and parasites. <\/li><li>Plants also have a unique lure and catch immune response to deal with pathogens that have split their cellular defence. The actual working of this remained unknown.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The research:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>It was reported that a protein called AvrAC was studied in this research which is produced by a bacterial pathogen that causes black rot on cabbage. The AvrAC is injected by bacterium into plant cells, where it acts as a biochemical weapon weakening the plant\u2019s immune system.<\/li><li>It was also discovered that some plants have evolved to carry a resistance protein called ZAR1 (it is activated to form a multiprotein structure called resistosome) that can detect bacterial proteins like AvrAC. <\/li><li>The resistosome inserts itself into the cell\u2019s membrane and triggers it to destroy itself along with the invading pathogens, thus protecting other healthy cells. <\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Links:<br><a href=\"https:\/\/www.financialexpress.com\/lifestyle\/science\/discovery-of-death-switch-mechanism-in-plants-may-yield-stronger-crops-scientists\/1538845\/\">https:\/\/www.financialexpress.com\/lifestyle\/science\/discovery-of-death-switch-mechanism-in-plants-may-yield-stronger-crops-scientists\/1538845\/<br><\/a><a href=\"https:\/\/www.business-standard.com\/article\/pti-stories\/discovery-of-death-switch-mechanism-in-plants-may-yield-stronger-crops-scientists-119040500237_1.html\">https:\/\/www.business-standard.com\/article\/pti-stories\/discovery-of-death-switch-mechanism-in-plants-may-yield-stronger-crops-scientists-119040500237_1.html<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: Scientists of which country have recently discovered Death Switch mechanism in Plant`s Immune System? (a) USA (b) UK (c) China (d) Luxemburg Answer: (c) Related facts: Chinese scientists have discovered a possible Death Switch mechanism in plant\u2019s immune system that triggers infected cells to self-destruct, thus limiting the spread of the disease and keeping [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":73101,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-73100","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-snes","tag-scientific"],"_links":{"self":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/73100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=73100"}],"version-history":[{"count":0,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/73100\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/73101"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=73100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/categories?post=73100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/tags?post=73100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}