Omics Analyses of Gut Microbiota in a Circadian RhythmDisorder Mouse Model Fed with Oolong Tea Polyphenols
2019
Microbiome has been revealed as a key element involved in maintaining the circadian rhythms. Oolong tea polyphenols (OTP) has been shown to have a potential prebiotic activity. Therefore, this study focused on the regulation mechanisms of OTP on host circadian rhythms. After 8 weeks of OTP administration, a large expansion in the relative abundance of Bacteroidetes with a decrease in Firmicutes was observed, which reflected the positive modulatory effect of OTP on gut flora. In addition, Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways of ATP-binding cassette (ABC) transporters, two-component system and the biosynthesis of amino acids enriched the most differentially expressed genes (DEGs) after OTP treatment. Of the differentially expressed proteins (DEPs) identified, most were related to metabolism, genetic information processing and environmental information processing. It underscores the ability of OTP to regulate circadian rhythm by enhancing beneficial intestinal microbiota and affecting meta...
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