{"id":18117,"date":"2026-06-20T13:02:01","date_gmt":"2026-06-20T13:02:01","guid":{"rendered":"https:\/\/dev.iita.org\/news-item\/iita-scientists-achieve-gene-editing-breakthrough-for-banana-wilt-resistance\/"},"modified":"2026-06-29T16:53:16","modified_gmt":"2026-06-29T16:53:16","slug":"iita-scientists-achieve-gene-editing-breakthrough-for-banana-wilt-resistance","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/iita-scientists-achieve-gene-editing-breakthrough-for-banana-wilt-resistance\/","title":{"rendered":"IITA scientists achieve gene editing breakthrough for Banana Wilt Resistance"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><em>A landmark <\/em><a href=\"https:\/\/www.nature.com\/articles\/s42003-025-08093-w\"><em>\u00e9tudier<\/em><\/a><em> published in <strong>Nature\u2019s Communications Biology<\/strong> par <\/em><a href=\"https:\/\/iita.org\/fr\/\"><em>IITA<\/em><\/a><em> scientists showcases how CRISPR-based gene editing offers hope for East Africa\u2019s banana farmers.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><figure id=\"attachment_32861\" aria-describedby=\"caption-attachment-32861\" style=\"width: 820px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-32861 size-full\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/Edited-banana.png\" alt=\"Edited banana plants growing in the screenhouse.\" width=\"820\" height=\"411\" \/><figcaption id=\"caption-attachment-32861\" class=\"wp-caption-text\">Edited banana plants growing in the screenhouse.<\/figcaption><\/figure><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scientists at IITA-<a href=\"https:\/\/www.cgiar.org\/\">CGIAR<\/a> have made a major breakthrough in the fight against Banana Xanthomonas Wilt (BXW), a devastating bacterial disease threatening banana crops across East and Central Africa. The <a href=\"https:\/\/www.nature.com\/articles\/s42003-025-08093-w\">findings<\/a>, recently published in Communications Biology, the prestigious journal from the Nature portfolio, demonstrates how gene editing can be used to develop disease-resistant banana varieties.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using CRISPR-Cas9 technology, the IITA researchers precisely knocked out two banana endogenous genes, <em>MusaPUB22<\/em> et <em>MusaPUB23<\/em>, in the BXW-susceptible \u2018Sukali Ndiizi\u2019 cultivar. Previously identified through transcriptomic studies, these genes were found to be more active in plants vulnerable to BXW. When the scientists turned these genes off, the banana plants were able to mount a stronger defense against the disease.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The results were striking: several gene-edited banana lines completely resisted BXW. Importantly, the plants maintained healthy growth, suggesting that disabling these genes does not compromise overall plant development.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThis publication not only affirms the high-quality science at IITA but also signals a new frontier for how we can use gene editing to address urgent agricultural threats in Africa,\u201d said Dr Leena Tripathi, Director of IITA\u2019s Eastern Africa Hub and Biotech Program Lead. \u201cGene editing gives us a powerful, precise way to improve crops while staying aligned with public and regulatory expectations. We\u2019re excited to contribute a solution that could eventually protect millions of smallholder banana farmers from devastating losses.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The study positions <em>MusaPUB22<\/em> et <em>MusaPUB23<\/em> as \u201csusceptibility genes\u201d\u2014genes that inadvertently help pathogens by suppressing the plant&#8217;s immune responses. When these genes were disabled, the plants displayed enhanced resistance mechanisms, including hydrogen peroxide accumulation and activation of key immune-related genes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beyond its scientific contributions, the study has practical implications for developing disease-resistant banana varieties without introducing foreign DNA, making the gene-edited bananas potentially more acceptable to regulators and the public.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Propos\u00e9 par Rose-Harriet Okech<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>A landmark study published in Nature\u2019s Communications Biology by IITA scientists showcases how CRISPR-based gene editing offers hope for East Africa\u2019s banana farmers.<\/p>","protected":false},"featured_media":18118,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[],"science-area":[],"program":[],"location":[32],"news-type":[],"hub":[61],"crop":[65],"impact-areas":[],"item-year":[203],"class_list":["post-18117","news-item","type-news-item","status-publish","has-post-thumbnail","hentry","location-nigeria","hub-western-africa","crop-banana","item-year-203"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - 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