Caloric restriction disrupts the microbiota and colonization resistance.

Caloric restriction disrupts the microbiota and colonization resistance.
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DOI:
10.1038/s41586-021-03663-4
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发表时间:
2021-07
期刊:
影响因子:
64.8
通讯作者:
Turnbaugh PJ
Turnbaugh PJ
中科院分区:
综合性期刊1区
文献类型:
--
作者:
von Schwartzenberg RJ;Bisanz JE;Lyalina S;Spanogiannopoulos P;Ang QY;Cai J;Dickmann S;Friedrich M;Liu SY;Collins SL;Ingebrigtsen D;Miller S;Turnbaugh JA;Patterson AD;Pollard KS;Mai K;Spranger J;Turnbaugh PJ

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Diet is a major factor that shapes the gut microbiome, but the consequences of diet-induced microbiome shifts for host pathophysiology remain poorly understood. We conducted a randomized human intervention study using very-low calorie diets (VLCD). While metabolic health was improved, severe calorie restriction led to decreased bacterial abundance and restructuring of the gut microbiome. Transplantation of post-diet microbiotas to mice decreased body weight and adiposity relative to pre-diet microbiota recipients. Weight loss was associated with impaired nutrient absorption and an enrichment of Clostridioides difficile, which was consistent with a decrease in bile acids and 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.
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