{"id":334888,"date":"2025-04-30T12:06:26","date_gmt":"2025-04-30T06:36:26","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=334888"},"modified":"2025-05-01T17:38:00","modified_gmt":"2025-05-01T12:08:00","slug":"rna-based-antiviral-to-combat-cucumber-mosaic-virus-cmv","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/rna-based-antiviral-to-combat-cucumber-mosaic-virus-cmv\/","title":{"rendered":"RNA-Based Antiviral to Combat Cucumber Mosaic Virus (CMV)"},"content":{"rendered":"<p><strong>News<\/strong>&#8211; A team of scientists from Germany has developed an innovative RNA-based antiviral agent using RNA silencing that offers protection against the Cucumber Mosaic Virus (CMV)- one of the most damaging plant viruses globally.<\/p>\n<figure id=\"attachment_334889\" aria-describedby=\"caption-attachment-334889\" style=\"width: 370px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-334889\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/04\/Combat-Cucumber-Mosaic-Virus-CMV.png?resize=370%2C221&#038;ssl=1\" alt=\"Combat Cucumber Mosaic Virus (CMV)\" width=\"370\" height=\"221\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/04\/Combat-Cucumber-Mosaic-Virus-CMV.png?w=841&amp;ssl=1 841w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/04\/Combat-Cucumber-Mosaic-Virus-CMV.png?resize=300%2C179&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/04\/Combat-Cucumber-Mosaic-Virus-CMV.png?resize=768%2C458&amp;ssl=1 768w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><figcaption id=\"caption-attachment-334889\" class=\"wp-caption-text\">Source- The Hindu<\/figcaption><\/figure>\n<h2>About Cucumber Mosaic Virus (CMV)<\/h2>\n<ul>\n<li><strong>Type<\/strong>: Plant virus affecting over 1,200 plant species.<\/li>\n<li><strong>Affected Crops<\/strong>: Cucumbers, melons, cereals, bananas, pumpkins, etc.<\/li>\n<li><strong>Transmission:<\/strong> Spread by aphids, making outbreaks difficult to control.<\/li>\n<li><strong>Symptoms<\/strong>: Mosaic discoloration, stunted growth, and poor fruit development.<\/li>\n<li><strong>Impact in India:<\/strong>\n<ul>\n<li>It causes <em>25\u201330% yield loss in crops like banana<\/em>.<\/li>\n<li>It leads to direct economic losses and increased pest management costs.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table style=\"width: 100%; border-collapse: collapse; border-style: solid; background-color: #ffffff;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><strong>About RNA silencing<\/strong><\/p>\n<p><strong>Definition<\/strong>: A gene regulation mechanism where small RNA molecules (like siRNA or miRNA) bind to messenger RNA (mRNA) to:<\/p>\n<ul>\n<li>Destroy mRNA, or<\/li>\n<li>Block it from being translated into protein.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Working of Plant\u2019s RNA-Based Defense Mechanism<\/strong><\/p>\n<ul>\n<li>When a virus infects a plant, it introduces <em>double-stranded RNA (dsRNA),<\/em> which is recognized by the plant as a danger signal.<\/li>\n<li>In response, the plant activates specific enzymes called <em>Dicer-like enzymes (DCLs).<\/em> These enzymes <em>cut the viral dsRNA into smaller fragments known as small interfering RNAs (siRNAs).<\/em><\/li>\n<li>The siRNAs act as guides, directing the plant\u2019s immune system to identify and destroy the viral RNA, thereby preventing the virus from replicating.<\/li>\n<li>However, not all siRNAs are equally effective, and viruses often mutate rapidly, allowing them to evade the plant&#8217;s natural defenses.<\/li>\n<\/ul>\n<p><strong> RNA-based crop protection techniques against Cucumber Mosaic Virus (CMV)<\/strong><\/p>\n<ul>\n<li><strong>Host-induced gene silencing (HIGS)- <\/strong>It works by <em>genetically modifying plants to produce virus-targeting double-stranded RNA (dsRNA) within their own cells<\/em>. This offers continuous protection throughout the plant\u2019s lifecycle.\n<ul>\n<li><strong>Cons<\/strong>&#8211; Its widespread use is limited due to regulatory challenges, high production costs, and the risk of viruses developing resistance.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Spray-induced gene silencing (SIGS)- <\/strong>In this method, <em>plants are treated with RNA sprays instead of being genetically modified<\/em>. The leaves absorb the dsRNA, which then triggers the plant\u2019s natural immune response without altering its DNA.\n<ul>\n<li><strong>Cons<\/strong>&#8211; Although SIGS is cost-effective, environmentally friendly, and does not require genetic modification, its effectiveness is short-term and may be influenced by environmental factors such as sunlight, rain, and soil microbes.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News&#8211; A team of scientists from Germany has developed an innovative RNA-based antiviral agent using RNA silencing that offers protection against the Cucumber Mosaic Virus (CMV)- one of the most damaging plant viruses globally. About Cucumber Mosaic Virus (CMV) Type: Plant virus affecting over 1,200 plant species. Affected Crops: Cucumbers, melons, cereals, bananas, pumpkins, etc.&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/rna-based-antiviral-to-combat-cucumber-mosaic-virus-cmv\/\">Continue reading <span class=\"screen-reader-text\">RNA-Based Antiviral to Combat Cucumber Mosaic Virus (CMV)<\/span><\/a><\/p>\n","protected":false},"author":10367,"featured_media":334889,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872],"class_list":["post-334888","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/04\/Combat-Cucumber-Mosaic-Virus-CMV.png?fit=841%2C502&ssl=1","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/334888","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\/10367"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=334888"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/334888\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media\/334889"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=334888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=334888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=334888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}