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New View on Dietary Fiber Selection for Predictable Shifts in Gut Microbiota.


ABSTRACT: Dietary fibers can be utilized to shape the human gut microbiota. However, the outcomes from most dietary fibers currently used as prebiotics are a result of competition between microbes with overlapping abilities to utilize these fibers. Thus, divergent fiber responses are observed across individuals harboring distinct microbial communities. Here, we propose that dietary fibers can be classified hierarchically according to their specificity toward gut microbes. Highly specific fibers harbor chemical and physical characteristics that allow them to be utilized by only a narrow group of bacteria within the gut, reducing competition for that substrate. The use of such fibers as prebiotics targeted to specific microbes would result in predictable shifts independent of the background microbial composition.

SUBMITTER: Cantu-Jungles TM 

PROVIDER: S-EPMC7029134 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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New View on Dietary Fiber Selection for Predictable Shifts in Gut Microbiota.

Cantu-Jungles T M TM   Hamaker B R BR  

mBio 20200218 1


Dietary fibers can be utilized to shape the human gut microbiota. However, the outcomes from most dietary fibers currently used as prebiotics are a result of competition between microbes with overlapping abilities to utilize these fibers. Thus, divergent fiber responses are observed across individuals harboring distinct microbial communities. Here, we propose that dietary fibers can be classified hierarchically according to their specificity toward gut microbes. Highly specific fibers harbor che  ...[more]

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