{"id":853,"date":"2025-09-30T16:49:05","date_gmt":"2025-09-30T14:49:05","guid":{"rendered":"https:\/\/www.genoscreen.fr\/how-to-prove-the-efficacy-of-a-probiotic-or-postbiotic-using-genomics\/"},"modified":"2026-06-07T15:44:30","modified_gmt":"2026-06-07T13:44:30","slug":"how-to-prove-the-efficacy-of-a-probiotic-or-postbiotic-using-genomics","status":"publish","type":"post","link":"https:\/\/www.genoscreen.fr\/en\/news\/how-to-prove-the-efficacy-of-a-probiotic-or-postbiotic-using-genomics\/","title":{"rendered":"How to prove the efficacy of a probiotic or postbiotic using genomics?"},"content":{"rendered":"<p style=\"text-align: center;\"><strong>Biotics<\/strong> \u2014 whether prebiotics, probiotics, or postbiotics \u2014 are <strong>at the core of nutritional and therapeutic strategies<\/strong> aimed at preserving or restoring gut microbiota balance. However, with increasing regulatory requirements (<a href=\"https:\/\/www.genoscreen.fr\/en\/news\/what-is-efsa\/\">EFSA<\/a>, FDA) and growing market competition, it is crucial to demonstrate their efficacy through robust scientific evidence.<\/p>\n<p><!--more--><\/p>\n\n<div class=\"wf-columns wf-columns-stack-medium\" data-wf-columns=\"1\">\n<div class=\"wf-column\">\n<div id=\"accordion\" class=\"panel-group\" style=\"margin-top: 20px;\" role=\"tablist\" aria-multiselectable=\"true\">\n<div class=\"panel panel-default\">\n<div id=\"headingOne\" class=\"panel-heading\" role=\"tab\"><a href=\"#collapseA2020\" class=\"collapsed\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion\" aria-expanded=\"false\" aria-controls=\"collapseA2020\"><\/p>\n<h3 class=\"panel-title\" style=\"color: #ffffff; text-align: center;\">Why is microbiota analysis essential for developing a biotic?<\/h3>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<div id=\"collapseA2020\" class=\"panel-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"headingA2020\">\n<div class=\"panel-body\" align=\"justify\">\n<div class=\"n2-ss-layer n2-ow n-uc-OpwZoo5HIzng\" data-pm=\"normal\" data-sstype=\"layer\">\n<div class=\"n2-ss-item-content n2-ss-text n2-ow-all\">\n<div class=\"\">\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">A biotic\u2019s value lies in its <strong>ability to interact with both the microbiota and the host<\/strong>. Studying the microbiota helps to:<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"n2-ss-layer n2-ow n-uc-6swRlAlm0AZE\" data-pm=\"normal\" data-hidemobileportrait=\"1\" data-sstype=\"layer\">\n<div class=\"n2-ss-item-content n2-ss-text n2-ow-all\">\n<div class=\"\">\n<p class=\"n2-font-461ddea9a612bc5ccaa79d927015f7bc-paragraph\">&#8211; <strong>Identify potential probiotic strains<\/strong> (isolated from healthy microbiota)<\/p>\n<p class=\"n2-font-461ddea9a612bc5ccaa79d927015f7bc-paragraph\">&#8211; <strong>Validate target effects<\/strong> (restoration of diversity, activation of beneficial metabolic functions)<\/p>\n<p class=\"n2-font-461ddea9a612bc5ccaa79d927015f7bc-paragraph\">&#8211;<strong> Provide scientific evidence supporting product benefits<\/strong>, aligned with regulatory expectations<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wf-column\">\n<div id=\"accordion\" class=\"panel-group\" style=\"margin-top: 20px;\" role=\"tablist\" aria-multiselectable=\"true\">\n<div class=\"panel panel-default\">\n<div id=\"headingOne\" class=\"panel-heading\" role=\"tab\"><a href=\"#collapseA2019\" class=\"collapsed\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion\" aria-expanded=\"false\" aria-controls=\"collapseA2019\"><\/p>\n<h3 class=\"panel-title\" style=\"color: #ffffff; text-align: center;\">How to scientifically demonstrate the efficacy of a probiotic?<\/h3>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<div id=\"collapseA2019\" class=\"panel-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"headingA2020\">\n<div class=\"panel-body\" align=\"justify\">\n<div class=\"n2-ss-layer n2-ow n-uc-OpwZoo5HIzng\" data-pm=\"normal\" data-sstype=\"layer\">\n<div class=\"n2-ss-item-content n2-ss-text n2-ow-all\">\n<div class=\"\">\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">Probiotic efficacy can be assessed at two levels:<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"n2-ss-layer n2-ow n-uc-6swRlAlm0AZE\" data-pm=\"normal\" data-hidemobileportrait=\"1\" data-sstype=\"layer\">\n<div class=\"n2-ss-item-content n2-ss-text n2-ow-all\">\n<div class=\"\">\n<p class=\"n2-font-461ddea9a612bc5ccaa79d927015f7bc-paragraph\">&#8211; <strong>Clinically<\/strong> , through measurable outcomes in subjects (e.g., digestion, immunity, inflammation, etc)<\/p>\n<p class=\"n2-font-461ddea9a612bc5ccaa79d927015f7bc-paragraph\">&#8211; <strong>Biologically<\/strong>, through microbiota analyses showing structural or functional changes after administration<\/p>\n<p class=\"n2-font-461ddea9a612bc5ccaa79d927015f7bc-paragraph\"><strong>Targeted or whole-metagenome sequencing<\/strong> (<a href=\"https:\/\/www.genoscreen.fr\/en\/metagenomics\/\">First Res &amp; Full Reveal<\/a>) approaches help demonstrate these modifications in in vitro, in vivo, or clinical studies.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wf-columns wf-columns-stack-medium\" data-wf-columns=\"1\">\n<div class=\"wf-column\">\n<div id=\"accordion\" class=\"panel-group\" style=\"margin-top: 20px;\" role=\"tablist\" aria-multiselectable=\"true\">\n<div class=\"panel panel-default\">\n<div id=\"headingOne\" class=\"panel-heading\" role=\"tab\"><a href=\"#collapseA2018\" class=\"collapsed\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion\" aria-expanded=\"false\" aria-controls=\"collapseA2018\"><\/p>\n<h3 class=\"panel-title\" style=\"color: #ffffff; text-align: center;\">How to measure a biotic&#8217;s impact on gut microbiota?<\/h3>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<div id=\"collapseA2018\" class=\"panel-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"headingA2020\">\n<div class=\"panel-body\" align=\"justify\">\n<div class=\"n2-ss-layer n2-ow n-uc-OpwZoo5HIzng\" data-pm=\"normal\" data-sstype=\"layer\">\n<div class=\"n2-ss-item-content n2-ss-text n2-ow-all\">\n<div class=\"\">\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">The impact of a biotic can be evaluated by analyzing:<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">&#8211; The<strong> microbial species composition<\/strong> (microbiota structure)<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">&#8211; The <strong>associated genes and biological functions<\/strong> (e.g., SCFA production, inflammation regulation)<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">These insights are obtained using <strong>metagenomics<\/strong>, for species and encoded functions and <strong>metatranscriptomic<\/strong>, for functions actually expressed in the microbiome (<a href=\"https:\/\/www.genoscreen.fr\/en\/metatranscriptomics\/\">Activ&#8217;Reveal<\/a>).<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wf-column\">\n<div id=\"accordion\" class=\"panel-group\" style=\"margin-top: 20px;\" role=\"tablist\" aria-multiselectable=\"true\">\n<div class=\"panel panel-default\">\n<div id=\"headingOne\" class=\"panel-heading\" role=\"tab\"><a href=\"#collapseA2017\" class=\"collapsed\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion\" aria-expanded=\"false\" aria-controls=\"collapseA2017\"><\/p>\n<h3 class=\"panel-title\" style=\"color: #ffffff; text-align: center;\">Can a specific probiotic strain be tracked in a complex ecosystem?<\/h3>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<div id=\"collapseA2017\" class=\"panel-collapse collapse\" role=\"tabpanel\" aria-labelledby=\"headingA2020\">\n<div class=\"panel-body\" align=\"justify\">\n<div class=\"n2-ss-layer n2-ow n-uc-OpwZoo5HIzng\" data-pm=\"normal\" data-sstype=\"layer\">\n<div class=\"n2-ss-item-content n2-ss-text n2-ow-all\">\n<div class=\"\">\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">Yes with strain-specific tools such as <strong>qPCR<\/strong> (<a href=\"https:\/\/www.genoscreen.fr\/fr\/qpcr\/\">iQuant<\/a>), it is possible to:<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">&#8211; <strong>Detect a target strain<\/strong> within a complex microbial community<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">&#8211; <strong>Quantify<\/strong> its relative abundance<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">&#8211; Distinguish between<strong> live and dead cells<\/strong> (using PMA treatment)<\/p>\n<p class=\"n2-font-b609dfcd82781197a062fc5c6f2bc235-paragraph\">This is essential for verifying probiotic persistence in the microbiota and for quality control in finished products.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Biotics \u2014 whether prebiotics, probiotics, or postbiotics \u2014 are at the core of nutritional and therapeutic strategies aimed at preserving or restoring gut microbiota balance. However, with increasing regulatory requirements (EFSA, FDA) and growing market competition, it is crucial to demonstrate their efficacy through robust scientific evidence.<\/p>\n","protected":false},"author":1,"featured_media":1383,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[167],"tags":[],"class_list":["post-853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to prove the efficacy of a probiotic or postbiotic using genomics? - GenoScreen<\/title>\n<meta name=\"description\" content=\"Discover how GenoScreen uses genomics and metagenomics to scientifically prove the efficacy of probiotics and postbiotics. 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