Caloric restriction disrupts the microbiota and colonization resistance

Reiner Jumpertz von Schwartzenberg, Jordan E. Bisanz, Svetlana Lyalina, Peter Spanogiannopoulos, Qi Yan Ang, Jingwei Cai, Sophia Dickmann, Marie Friedrich, Su Yang Liu, Stephanie L. Collins, Danielle Ingebrigtsen, Steve Miller, Jessie A. Turnbaugh, Andrew D. Patterson, Katherine S. Pollard, Knut Mai, Joachim Spranger, Peter J. Turnbaugh

Research output: Contribution to journalArticlepeer-review

104 Scopus citations


Diet is a major factor that shapes the gut microbiome1, but the consequences of diet-induced changes in the microbiome for host pathophysiology remain poorly understood. We conducted a randomized human intervention study using a very-low-calorie diet (NCT01105143). Although metabolic health was improved, severe calorie restriction led to a decrease in bacterial abundance and restructuring of the gut microbiome. Transplantation of post-diet microbiota to mice decreased their body weight and adiposity relative to mice that received pre-diet microbiota. Weight loss was associated with impaired nutrient absorption and enrichment in Clostridioides difficile, which was consistent with a decrease in bile acids and was sufficient to replicate metabolic phenotypes in mice in a toxin-dependent manner. These results emphasize the importance of diet–microbiome interactions in modulating host energy balance and the need to understand the role of diet in the interplay between pathogenic and beneficial symbionts.

Original languageEnglish (US)
Pages (from-to)272-277
Number of pages6
Issue number7866
StatePublished - Jul 8 2021

All Science Journal Classification (ASJC) codes

  • General


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