Unknown

Dataset Information

0

Modulation of a Circulating Uremic Solute via Rational Genetic Manipulation of the Gut Microbiota.


ABSTRACT: Renal disease is growing in prevalence and has striking co-morbidities with metabolic and cardiovascular disease. Indoxyl sulfate (IS) is a toxin that accumulates in plasma when kidney function declines and contributes to the progression of chronic kidney disease. IS derives exclusively from the gut microbiota. Bacterial tryptophanases convert tryptophan to indole, which is absorbed and modified by the host to produce IS. Here, we identify a widely distributed family of tryptophanases in the gut commensal Bacteroides and find that deleting this gene eliminates the production of indole in vitro. By altering the status or abundance of the Bacteroides tryptophanase, we can modulate IS levels in gnotobiotic mice and in the background of a conventional murine gut community. Our results demonstrate that it is possible to control host IS levels by targeting the microbiota and suggest a possible strategy for treating renal disease.

SUBMITTER: Devlin AS 

PROVIDER: S-EPMC5159218 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

altmetric image

Publications

Modulation of a Circulating Uremic Solute via Rational Genetic Manipulation of the Gut Microbiota.

Devlin A Sloan AS   Marcobal Angela A   Dodd Dylan D   Nayfach Stephen S   Plummer Natalie N   Meyer Tim T   Pollard Katherine S KS   Sonnenburg Justin L JL   Fischbach Michael A MA  

Cell host & microbe 20161201 6


Renal disease is growing in prevalence and has striking co-morbidities with metabolic and cardiovascular disease. Indoxyl sulfate (IS) is a toxin that accumulates in plasma when kidney function declines and contributes to the progression of chronic kidney disease. IS derives exclusively from the gut microbiota. Bacterial tryptophanases convert tryptophan to indole, which is absorbed and modified by the host to produce IS. Here, we identify a widely distributed family of tryptophanases in the gut  ...[more]

Similar Datasets

| S-EPMC8745165 | biostudies-literature
| S-EPMC4951226 | biostudies-literature
| S-EPMC9373767 | biostudies-literature
| S-EPMC7997879 | biostudies-literature
| S-EPMC10311452 | biostudies-literature
| S-EPMC8966992 | biostudies-literature
| S-EPMC9180439 | biostudies-literature
| S-EPMC4863627 | biostudies-literature
| S-EPMC8509295 | biostudies-literature
| S-EPMC7751635 | biostudies-literature