Article ; Online: Targeted modification of gut microbiota and related metabolites via dietary fiber.
2023 Volume 316, Page(s) 120986
Abstract: Intake of dietary fiber has been proven to have several beneficial effects in maintaining host homeostasis and health. Here, we investigated the effects of different fibers on gut microbiota and related metabolites in rats. Healthy rats were supplemented ...
Abstract | Intake of dietary fiber has been proven to have several beneficial effects in maintaining host homeostasis and health. Here, we investigated the effects of different fibers on gut microbiota and related metabolites in rats. Healthy rats were supplemented with guar gum, carrageenan, glucomannan, β-glucan, arabinoxylan, apple pectin, xylan, arabinogalactan, and xanthan gum, and these dietary fibers exhibited commonality and specificity on gut microbiota and related metabolites. The abundance of Phascolarctobacterium, Prevotella, Treponema, Butyricimonas, Bacteroides, and Lactobacillus was selectively increased by different dietary fibers, whereas the abundance of Clostridium perfringens and Bacteroides fragilis were decreased by all of these fibers. Indole-3-lactic acid was significantly increased by β-glucan treatment, indicating the relationship between indole-3-lactic acid and Lactobacillus. Furthermore, Some species from Bacteroides were validated to produce indole-3-lactic acid, indole-3-acetic acid, and kynurenine (such as B. fragilis, B. ovatus, B. thetaiotaomicron, and B. xylanisolvens). These results provide important information on dietary guidelines based on the modification of gut microecology. |
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MeSH term(s) | Rats ; Animals ; Gastrointestinal Microbiome ; Dietary Fiber/metabolism ; Dietary Supplements ; Bacteroides/metabolism ; beta-Glucans/pharmacology |
Chemical Substances | Dietary Fiber ; beta-Glucans |
Language | English |
Publishing date | 2023-05-16 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1501516-6 |
ISSN | 1879-1344 ; 0144-8617 |
ISSN (online) | 1879-1344 |
ISSN | 0144-8617 |
DOI | 10.1016/j.carbpol.2023.120986 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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