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A fiber-deprived diet disturbs the fine-scale spatial architecture of the murine colon microbiome. | LitMetric

A fiber-deprived diet disturbs the fine-scale spatial architecture of the murine colon microbiome.

Nat Commun

Centre for Microbiology and Environmental Systems Science, Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, University of Vienna, Althanstrasse 14, 1090, Vienna, Austria.

Published: September 2019

AI Article Synopsis

Article Abstract

Compartmentalization of the gut microbiota is thought to be important to system function, but the extent of spatial organization in the gut ecosystem remains poorly understood. Here, we profile the murine colonic microbiota along longitudinal and lateral axes using laser capture microdissection. We found fine-scale spatial structuring of the microbiota marked by gradients in composition and diversity along the length of the colon. Privation of fiber reduces the diversity of the microbiota and disrupts longitudinal and lateral gradients in microbiota composition. Both mucus-adjacent and luminal communities are influenced by the absence of dietary fiber, with the loss of a characteristic distal colon microbiota and a reduction in the mucosa-adjacent community, concomitant with depletion of the mucus layer. These results indicate that diet has not only global but also local effects on the composition of the gut microbiota, which may affect function and resilience differently depending on location.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6761162PMC
http://dx.doi.org/10.1038/s41467-019-12413-0DOI Listing

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