{"id":16090,"date":"2025-04-29T12:39:45","date_gmt":"2025-04-29T12:39:45","guid":{"rendered":"https:\/\/exam.pscnotes.com\/current-affairs\/?p=16090"},"modified":"2025-04-29T12:54:30","modified_gmt":"2025-04-29T12:54:30","slug":"cucumber-mosaic-virus","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/current-affairs\/cucumber-mosaic-virus\/","title":{"rendered":"Cucumber Mosaic Virus"},"content":{"rendered":"<ul>\n<li><strong>New Antiviral Agent:<\/strong> Researchers have developed an RNA-based antiviral agent providing strong protection against Cucumber Mosaic Virus (CMV).<\/li>\n<li><strong>CMV Impact:<\/strong> CMV infects over 1,200 plant species, including vital crops, causing significant yield losses <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> (e.g., 25-30% in Indian banana plantations, up to 70% in cucurbits). It leads to mosaic discoloration, stunted growth, and unmarketable fruits.<\/li>\n<li><strong>RNA Silencing:<\/strong> The antiviral agent uses RNA silencing, enhancing the plant&#8217;s natural defense by employing &#8220;effective dsRNA&#8221; enriched with potent siRNAs.<\/li>\n<li><strong>How it Works:<\/strong> Effective dsRNA are genetically engineered dsRNA enriched with highly functional siRNA. These specially selected siRNA bind to the virus\u2019s genetic material to trigger a stronger antiviral response.<\/li>\n<li><strong>Improved Efficacy:<\/strong> This method, tested on <em>Nicotiana benthamiana<\/em>, reduced viral load by nearly 80% and outperformed traditional dsRNA due to efficient processing into active siRNA, thus triggering a stronger immune response.<\/li>\n<li><strong>Advantages:<\/strong> Precise targeting, stronger defense against viral mutations, and rapid redesign for new strains.<\/li>\n<li><strong>Next Steps:<\/strong> Development of spray-based solutions for field trials.<\/li>\n<li><strong>Broader Applications:<\/strong> The technology&#8217;s principles can be applied to other plant viruses, fungal, and bacterial diseases and insect pests.<\/li>\n<li><strong>Challenges:<\/strong> RNA stability in outdoor conditions, cost, scalability, and regulatory approvals remain hurdles.<\/li>\n<li><strong>Economic Impact:<\/strong> Plant viruses contribute to over $30 billion in crop losses annually.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>New Antiviral Agent: Researchers have developed an RNA-based antiviral agent providing strong protection against Cucumber Mosaic Virus (CMV). CMV Impact: CMV infects over 1,200 plant species, including vital crops, causing significant yield losses (e.g., 25-30% in Indian banana plantations, up Subscribe on YouTube to 70% in cucurbits). It leads Join Our Telegram Channel to mosaic &#8230; <a title=\"Cucumber Mosaic Virus\" class=\"read-more\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/cucumber-mosaic-virus\/\">Read more <span class=\"screen-reader-text\">Cucumber Mosaic Virus<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":16107,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[595],"tags":[1287],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cucumber Mosaic Virus - Current Affairs Exam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/cucumber-mosaic-virus\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cucumber Mosaic Virus\" \/>\n<meta property=\"og:description\" content=\"New Antiviral Agent: Researchers have developed an RNA-based antiviral agent providing strong protection against Cucumber Mosaic Virus (CMV). CMV Impact: CMV infects over 1,200 plant species, including vital crops, causing Subscribe on YouTube significant yield losses (e.g., 25-30% in Indian banana plantations, up to 70% in cucurbits). It leads to mosaic discoloration, stunted growth, and ... 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