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flag UC San Diego researchers created coralME, a tool that quickly models gut microbes, revealing how diet affects gut health and linking microbial changes to inflammatory bowel disease.

flag Researchers at UC San Diego have developed coralME, a new tool that rapidly creates detailed metabolic models of gut microbes, enabling scientists to predict how these organisms respond to nutrients and diets. flag The tool generated 495 models of common gut bacteria in a fraction of the time manual methods would take, revealing that low-iron or low-zinc diets may favor harmful microbes, while certain macronutrients support beneficial ones. flag Applied to inflammatory bowel disease (IBD) data, coralME identified shifts in gut chemistry—such as higher pH and lower protective short-chain fatty acids—and linked specific microbial changes to the disease. flag The findings could improve diagnosis and personalized treatment for IBD and other microbiome-related conditions. flag The study was published on November 20, 2025, in Cell Systems.

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