Oct 27, 2015

Health and disease imprinted in the time variability of the human microbiome

BioRxiv : the Preprint Server for Biology
Jose Manuel MartíCarlos P Garay


Human microbiota plays an important role in determining changes from health to disease. Increasing research activity is dedicated to understand its diversity and variability. We analyse 16S rRNA and whole genome sequencing (WGS) data from the gut microbiota of 97 individuals monitored in time. Temporal fluctuations in the microbiome reveal significant differences due to factors that affect the microbiota such as dietary changes, antibiotic intake, early gut development or disease. Here we show that a fluctuation scaling law describes the temporal variability of the system and that a noise-induced phase transition is central in the route to disease. The universal law distinguishes healthy from sick microbiota and quantitatively characterizes the path in the phase space, which opens up its potential clinical use and, more generally, other technological applications where microbiota plays an important role.

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Mentioned in this Paper

Anatomical Space Structure
Microbiota (Procedure)
Digestive Tract Development
Antibodies, Monoclonal, Humanized
Whole Genome Sequencing

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