{"id":12280,"date":"2022-05-18T09:47:34","date_gmt":"2022-05-18T09:47:34","guid":{"rendered":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/?p=12280"},"modified":"2022-06-07T14:18:47","modified_gmt":"2022-06-07T14:18:47","slug":"theme-4","status":"publish","type":"post","link":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/theme-4\/","title":{"rendered":"Th\u00e8me 4"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12280\" class=\"elementor elementor-12280\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e0b1ebc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e0b1ebc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a11947f\" data-id=\"a11947f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d165ad2 elementor-widget elementor-widget-text-editor\" data-id=\"d165ad2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Toutes les actualit\u00e9s<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-208cd3a elementor-widget elementor-widget-wp-widget-bellows_navigation_widget\" data-id=\"208cd3a\" data-element_type=\"widget\" data-widget_type=\"wp-widget-bellows_navigation_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav id=\"bellows-main-128\" class=\"bellows bellows-nojs bellows-main bellows-source-menu bellows-align-full bellows-skin-vanilla bellows-type-\"><ul id=\"menu-categories\" class=\"bellows-nav\" data-bellows-config=\"main\"><li id=\"menu-item-5757\" class=\"bellows-menu-item bellows-menu-item-type-taxonomy bellows-menu-item-object-category bellows-menu-item-5757 bellows-item-level-0\"><a  href=\"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/category\/annonces\/\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">Annonces<\/span><\/a><\/li>\n<li id=\"menu-item-5762\" class=\"bellows-menu-item bellows-menu-item-type-taxonomy bellows-menu-item-object-category bellows-menu-item-5762 bellows-item-level-0\"><a  href=\"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/category\/news\/\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">News<\/span><\/a><\/li>\n<\/ul><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-21db50a\" data-id=\"21db50a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8749389 elementor-widget elementor-widget-text-editor\" data-id=\"8749389\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1 style=\"text-align: left;\">Th\u00e8me 4<\/h1><h2 style=\"font-weight: 400;\"><i><em>valorisations des microorganismes \u00e0 int\u00e9r\u00eat agro- pastoral et environnemental<\/em><\/i><\/h2><p style=\"font-weight: 400;\">Chef\u00a0\u00a0d\u2019\u00e9quipe Dr. Selami Nawel<\/p><h3 style=\"font-weight: 400;\">Th\u00e9matique : Identification et caract\u00e9risation d&rsquo;endophytes avec des propri\u00e9t\u00e9s de bio-fertilisation\u00a0\u00a0et de bio-contr\u00f4le chez les plantes cultiv\u00e9es<\/h3><p>\u00a0<\/p><h3 style=\"font-weight: 400;\">Objectifs<\/h3><p style=\"font-weight: 400;\">Exploiter les avantages naturels que pr\u00e9sentent certains microorganismes isol\u00e9s \u00e0 partir de fabac\u00e9es\u00a0\u00a0spontan\u00e9es des dunes c\u00f4ti\u00e8res et des r\u00e9gions arides<\/p><p style=\"font-weight: 400;\">M\u00e9thodologie (i) Isoler un maximum de microorganisme endophytiques \u00e0 l\u2019aide de plusieurs milieux microbiologiques compos\u00e9s de diff\u00e9rentes sources de carbone et ajust\u00e9s \u00e0 diff\u00e9rents pH \u00e0 la suite d\u2019une st\u00e9rilisation de surface. (ii) Identification des diff\u00e9rents endophytes isol\u00e9s via le s\u00e9quen\u00e7age et la comparaison des r\u00e9gions de l\u2019ITS de ADNr des bact\u00e9ries et champignons isol\u00e9s.\u00a0\u00a0(iii) \u00c9valuer le potentiel agronomique des diff\u00e9rents endophytes bact\u00e9riens par la\u00a0\u00a0d\u00e9termination de leur capacit\u00e9 \u00e0 solubiliser le phosphore inorganique, \u00e0 produire certaines enzymes (chitinase, cellulase et pectinase), leur capacit\u00e9 antifongique, leur r\u00e9sistance aux antibiotiques, leur habilit\u00e9 \u00e0 recoloniser la plante \u00e9tudi\u00e9e et leur effet sur sa croissance.<\/p><p style=\"font-weight: 400;\">-Les bact\u00e9ries endophytes de type Rhizobia : Nutrition azot\u00e9e -Forte sp\u00e9cificit\u00e9 d\u2019h\u00f4te -Organogen\u00e8se (Formation de nodules)<\/p><p style=\"font-weight: 400;\">-Les bact\u00e9ries endophytes Non nodulantes : Promotion de la croissance des plantes -Importante diversit\u00e9 d\u2019esp\u00e8ces -Pas d\u2019organogen\u00e8se.<\/p><p style=\"font-weight: 400;\">1) Facteurs de croissance hormonaux<\/p><p style=\"font-weight: 400;\">2) Bio-fertilisation (solubilisation des nutriments, fixation d\u2019azote)<\/p><p style=\"font-weight: 400;\">3) Bio-contr\u00f4le de pathog\u00e8nes (production d\u2019antibiotiques, fongicides, insecticides \u2026)<\/p><p style=\"font-weight: 400;\">Quelques exemples de propri\u00e9t\u00e9s utiles<\/p><p style=\"font-weight: 400;\">Exemple de Bio-fertilisation<\/p><ul><li style=\"font-weight: 400;\">G\u00e8nes bact\u00e9rien\u00a0\u00a0de l\u2019op\u00e9ron Nod<\/li><li style=\"font-weight: 400;\">Organismes : Rhizobium sp, Bradyrhizobium sp. Augmentation du nombre de nodules : Fixation de l\u2019azote<\/li><\/ul><p style=\"font-weight: 400;\">Exemples de Bio-contr\u00f4le<\/p><ul><li style=\"font-weight: 400;\">Formation de biofilm<\/li><li style=\"font-weight: 400;\">Contr\u00f4le de diff\u00e9rents agents pathog\u00e8ne<\/li><\/ul><p style=\"font-weight: 400;\">\u00a0<\/p><p style=\"font-weight: 400;\">R\u00e9sultats attendus<\/p><p style=\"font-weight: 400;\">1 \u2013Diversit\u00e9 microbienne<\/p><p style=\"font-weight: 400;\">2 \u2013Propri\u00e9t\u00e9s b\u00e9n\u00e9fiques<\/p><p style=\"font-weight: 400;\">3-constitution d\u2019un souchier de bact\u00e9ries endophytes<\/p><p style=\"font-weight: 400;\">\u00a0<\/p><h2 style=\"font-weight: 400;\"><strong>Soutenance de Doctorats et magisters<\/strong><\/h2><p style=\"font-weight: 400;\">\u00a0<\/p><h3 style=\"font-weight: 400;\"><strong>1-Th\u00e8se de doctorat LMD<\/strong><\/h3><p style=\"font-weight: 400;\">-Hannane Fatima Zohra 2017- S\u00e9lection et caract\u00e9risation des souches de rhizobia isol\u00e9es de\u00a0<em>Retama monosperma\u00a0<\/em>(L.) Boiss. \u00e0 haute capacit\u00e9 de nodulation. Th\u00e8se de doctorat LMD.USTO-MB.Encadreur Pr Kacem Mourad<\/p><p style=\"font-weight: 400;\">\u00a0<\/p><p style=\"font-weight: 400;\">\u00a0<\/p><p style=\"font-weight: 400;\">\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Toutes les actualit\u00e9s Th\u00e8me 4 valorisations des microorganismes \u00e0 int\u00e9r\u00eat agro- pastoral et environnemental Chef\u00a0\u00a0d\u2019\u00e9quipe Dr. Selami Nawel Th\u00e9matique : Identification et caract\u00e9risation d&rsquo;endophytes avec des propri\u00e9t\u00e9s de bio-fertilisation\u00a0\u00a0et de <a href=\"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/theme-4\/\" class=\"read-more\">Lire la suite &#8230;<\/a><\/p>\n","protected":false},"author":28,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[],"class_list":["post-12280","post","type-post","status-publish","format-standard","hentry","category-annonces"],"_links":{"self":[{"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/posts\/12280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/comments?post=12280"}],"version-history":[{"count":10,"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/posts\/12280\/revisions"}],"predecessor-version":[{"id":12460,"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/posts\/12280\/revisions\/12460"}],"wp:attachment":[{"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/media?parent=12280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/categories?post=12280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.univ-usto.dz\/labo\/lp2vm\/wp-json\/wp\/v2\/tags?post=12280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}