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Food metagenome

ABSTRACT: Yogurt and dietary supplement metagenomes

PROVIDER: PRJNA603575 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11605259_1.fastq.gz	Fastqsanger.gz
	SRR11605259_2.fastq.gz	Fastqsanger.gz
	SRR11605260_1.fastq.gz	Fastqsanger.gz
	SRR11605260_2.fastq.gz	Fastqsanger.gz
	SRR11605261_1.fastq.gz	Fastqsanger.gz

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Project description:The molecular mechanisms by which dietary fruits and vegetables confer cardiometabolic benefits remain poorly understood. Historically, these beneficial properties have been attributed to the antioxidant activity of flavonoids. Here, we reveal that the host metabolic benefits associated with flavonoid consumption actually hinge on gut microbial metabolism. However, flavonoids are consumed in a largely glycosylated form, rendering them poorly available for small intestinal absorption and subjecting them to microbial metabolism in the colon. We show that a single gut microbial flavonoid catabolite is sufficient to reduce diet-induced cardiometabolic disease burden in mice. Dietary supplementation with elderberry extract attenuated obesity and continuous delivery of the catabolite 4-hydroxphenylacetic acid was sufficient to reverse hepatic steatosis. Analysis of human gut metagenomes revealed that under one percent contains a flavonol catabolic pathway, underscoring the rarity of this process. Our study will impact the design of dietary and probiotic interventions to complement traditional cardiometabolic treatment strategies.

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