Gut microbiome: meet Ruminococcus gnavus – the bacteria with a sweet tooth

By Nathalie Juge, Deputy Chief Scientific Officer and Group Leader, Glycobiology of Host-Microbe Interactions in the Gut, Quadram Institute

Having a sweet tooth isn’t just a human characteristic. It turns out our gut microbes can have a preference for sweets, too – and one of these selfish, sugar-loving bacteria is Ruminococcus gnavus.

Ruminococcus gnavus (R gnavus for short) is one of the many bacterial species normally found in the human gut. While it doesn’t typically cause us harm, a growing body of evidence indicates that an overgrowth of R gnavus may be linked with certain intestinal diseases – including inflammatory…

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