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ABSTRACT: In vitro fecal fermentation

PROVIDER: PRJNA740098 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14906811_1.fastq.gz	Fastqsanger.gz
	SRR14906811_2.fastq.gz	Fastqsanger.gz
	SRR14906812_1.fastq.gz	Fastqsanger.gz
	SRR14906812_2.fastq.gz	Fastqsanger.gz
	SRR14906813_1.fastq.gz	Fastqsanger.gz

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Project description:Folic acid deficiency is common worldwide and is linked to intestinal flora imbalance. The intestinal microbial utilization of folic acid based on model animals faces the challenges of repeatability and individual variability. In this study, we built an in vitro fecal slurry culture model deficient in folic acid. We examined the effects of supplementation with different forms of folic acid (5-methyltetrahydrofolate and non-reduced folic acid) on the modulation of intestinal flora. 16S rDNA gene sequencing showed alpha diversity increased after folic acid supplementation compared to fermentation samples with folic acid deficiency. In the non-reduced folic acid (FA) group, the relative abundance of the Firmicutes phylum dropped to 56.7%, whereas in the 5-methyltetrahydrofolate (MTHF) supplementation group, it grew to 64.9%. Lactobacillus genera became more prevalent, reaching 22.8% and 30.8%, respectively. Additionally, Bifidobacterium and Pedioccus, two common probiotic bacteria, were in higher abundance. Short-chain fatty acids (SCFAs) analysis showed that supplementation with folic acid (non-reduced folic acid, 5-methyltetrahydrofolate) decreased acetic acid and increased the fermentation yield of isobutyric acid. The in vitro fecal slurry culture model developed in this study can be utilized as a human folic acid deficiency model for studying intestinal microbiota and demonstrated that both 5-methyltetrahydrofolate and non-reduced folic acid have effects on the regulation of intestinal microecology.

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Project description:Influence of overcooking on in vitro fecal fermentation of foods

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