{"id":14512,"date":"2026-06-20T12:36:00","date_gmt":"2026-06-20T12:36:00","guid":{"rendered":"https:\/\/dev.iita.org\/news-item\/scientists-to-upscale-research-on-yam-discovery-and-conservation\/"},"modified":"2026-06-29T21:25:33","modified_gmt":"2026-06-29T21:25:33","slug":"scientists-to-upscale-research-on-yam-discovery-and-conservation","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/scientists-to-upscale-research-on-yam-discovery-and-conservation\/","title":{"rendered":"Des scientifiques vont intensifier leurs recherches sur la d\u00e9couverte et la conservation de l'igname"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Des scientifiques ont convenu d'accro\u00eetre les investissements dans la d\u00e9couverte et la conservation de la diversit\u00e9 de l'igname et visent \u00e0 intensifier les progr\u00e8s r\u00e9alis\u00e9s au fil des ans dans la recherche sur l'igname en tant que culture largement consomm\u00e9e en Afrique. Ils sont parvenus \u00e0 ce consensus lors d'un atelier sur la g\u00e9n\u00e9tique et la recherche omics de l'igname \u00e0 <a href=\"https:\/\/iita.org\/fr\/\">IITA<\/a>\u2013<a href=\"https:\/\/www.cgiar.org\/\">CGIAR<\/a> \u00e0 Ibadan du 9 au 11 novembre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><figure id=\"attachment_25517\" aria-describedby=\"caption-attachment-25517\" style=\"width: 820px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-25517\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/IITA-Yam-Molecular-Geneticist-Dr-Ranjana-Bhattacharjee.jpg\" alt=\"IITA Yam Molecular Geneticist, Dr Ranjana Bhattacharjee, giving her presentation at the workshop.\" width=\"820\" height=\"411\" \/><figcaption id=\"caption-attachment-25517\" class=\"wp-caption-text\">La g\u00e9n\u00e9ticienne mol\u00e9culaire des ignames de l'IITA, le Dr Ranjana Bhattacharjee, lors de sa pr\u00e9sentation \u00e0 l'atelier.<\/figcaption><\/figure><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'\u00e9v\u00e9nement de trois jours, auquel ont particip\u00e9 50 personnes, a \u00e9t\u00e9 organis\u00e9 par un programme de liaison de groupes de recherche parrain\u00e9 par la Fondation Alexander von Humboldt (AvH) et a donn\u00e9 l'opportunit\u00e9 \u00e0 des scientifiques d'Allemagne, de l'IITA et de l'Universit\u00e9 d'Ibadan de d\u00e9lib\u00e9rer sur des domaines essentiels de la recherche sur l'igname, notamment la diversit\u00e9 et l'\u00e9volution, la conservation des ressources g\u00e9n\u00e9tiques, l'am\u00e9lioration de l'igname, la recherche sur les agents bioactifs et les m\u00e9dicaments, ainsi que des sessions pratiques sur l'analyse de l'expression g\u00e9nique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au cours des sessions de l'atelier, il a \u00e9t\u00e9 r\u00e9v\u00e9l\u00e9 qu'avec plus de 600 esp\u00e8ces d'ignames identifi\u00e9es, environ 44 pour cent figurent sur la liste rouge et sont au bord de l'extinction. Le Nigeria \u00e9tant le plus grand producteur d'ignames, avec environ 73 millions de tonnes enregistr\u00e9es chaque ann\u00e9e, les participants \u00e0 l'atelier ont examin\u00e9 certains des d\u00e9fis et opportunit\u00e9s de production li\u00e9s au changement climatique ainsi qu'aux ravageurs et aux maladies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><figure id=\"attachment_25519\" aria-describedby=\"caption-attachment-25519\" style=\"width: 820px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25519\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/The-chief-convener-Prof.-Mubo-Sonibare.jpg\" alt=\" Participants at the yam genetics and omics research in Africa workshop.\" width=\"820\" height=\"411\" \/><figcaption id=\"caption-attachment-25519\" class=\"wp-caption-text\">Participants \u00e0 l'atelier sur la g\u00e9n\u00e9tique de l'igname et la recherche omique en Afrique.<\/figcaption><\/figure><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans sa pr\u00e9sentation, la cheffe du d\u00e9partement de pharmacognosie de l'Universit\u00e9 d'Ibadan et coorganisatrice de l'atelier, la Priveure Mubo Sonibare, a partag\u00e9 certains des r\u00e9sultats de la recherche sur la phytochimie de l'igname. Selon Mme Sonibare, il est d\u00e9sormais confirm\u00e9 que l'igname est une source primaire de m\u00e9tabolites \u00e0 des fins m\u00e9dicales, parmi d'autres cultures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le professeur Sonibare a expliqu\u00e9 plus en d\u00e9tail dans une interview que l'atelier fait partie d'un projet plus important visant \u00e0 renforcer la collaboration entre chercheurs et \u00e0 encourager le transfert de technologie. \u201c Gr\u00e2ce aux id\u00e9es partag\u00e9es lors de l'atelier, de nouveaux projets sur des vari\u00e9t\u00e9s d'ignames nouvelles et sauvages verront le jour, et nous souhaitons \u00e9galement nous associer \u00e0 des industries pharmaceutiques \u201d, a-t-elle d\u00e9clar\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selon Dirk Albach, professeur de biodiversit\u00e9 et d'\u00e9volution des plantes \u00e0 l'Universit\u00e9 Carl-von-Ossietzky et directeur des jardins botaniques (Oldenburg, Allemagne), l'atelier visait \u00e0 am\u00e9liorer l'am\u00e9lioration des esp\u00e8ces d'igname \u00e0 l'\u00e9chelle mondiale et \u00e0 aborder des questions de recherche essentielles qui n\u00e9cessitent une attention particuli\u00e8re.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><figure id=\"attachment_25520\" aria-describedby=\"caption-attachment-25520\" style=\"width: 820px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25520\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/Participants-at-the-yam-genetics-and-omics-research-in-Africa-workshop-1.jpg\" alt=\"The chief convener, Prof. Mubo Sonibare, Department of Pharmacognosy, University of Ibadan, giving an interview at the workshop.\" width=\"820\" height=\"411\" \/><figcaption id=\"caption-attachment-25520\" class=\"wp-caption-text\">Le coordinateur principal, le prof. Mubo Sonibare, du d\u00e9partement de pharmacognosie de l'Universit\u00e9 d'Ibadan, donnant une interview lors de l'atelier.<\/figcaption><\/figure><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aux c\u00f4t\u00e9s d'autres intervenants, le g\u00e9n\u00e9ticien mol\u00e9culaire de l'igname de l'IITA <a href=\"https:\/\/iita.org\/fr\/iita-staff\/bhattacharjee-ranjana\/\">Ranjana Bhattacharjee<\/a> a soulign\u00e9 la n\u00e9cessit\u00e9 de sensibiliser continuellement, en ciblant les industries pharmaceutiques et les partenaires potentiels sur le potentiel de l'igname.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bhattacharjee a d\u00e9clar\u00e9 que l'igname a le potentiel d'am\u00e9liorer la nutrition mondiale et de contribuer \u00e0 la lutte contre les probl\u00e8mes de sant\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pendant l'atelier, 15 nomin\u00e9s ont \u00e9t\u00e9 inform\u00e9s des opportunit\u00e9s de bourses Alexander von Humboldt et de leurs avantages. Le Dr Christian Siadjeu, du D\u00e9partement de syst\u00e9matique, de biodiversit\u00e9 et d'\u00e9volution des plantes de l'Universit\u00e9 Ludwig Maximilian de Munich, en Allemagne, a dirig\u00e9 les sessions de formation pratique sur la transcriptomique de l'igname, comprenant l'extraction d'ARN et l'analyse de donn\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 la suite des d\u00e9lib\u00e9rations fructueuses, l'igname devrait gagner en reconnaissance \u00e0 l'instar d'autres produits de base \u00e0 l'\u00e9chelle mondiale. Il est donc n\u00e9cessaire de promouvoir la recherche pour d\u00e9velopper des cultivars afin de r\u00e9pondre aux enjeux de la s\u00e9curit\u00e9 alimentaire, sanitaire et nutritionnelle dans le monde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Propos\u00e9 par Tolulope Akinola<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Scientists have agreed to increase inputs in discovering and conserving yam diversity and aim to upscale the progress made over the years in yam research as a crop widely consumed in Africa.<\/p>","protected":false},"featured_media":14513,"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":[900],"science-area":[],"program":[],"location":[32],"news-type":[],"hub":[61],"crop":[71],"impact-areas":[],"item-year":[200],"class_list":["post-14512","news-item","type-news-item","status-publish","has-post-thumbnail","hentry","tag-conservationconservation-of-genetic-resourcesresearch-on-yam-discoveryscientists","location-nigeria","hub-western-africa","crop-yam","item-year-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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