Map of Human Bacterial Diversity Shows Wide Interpersonal Differences

Description

A University of Colorado at Boulder team has developed the first atlas of bacterial diversity across the human body, charting wide variations in microbe populations that live in different regions of the human body and which aid us in physiological functions that contribute to our health.

The study showed humans carry "personalized" communities of bacteria around that vary widely from our foreheads and feet to our noses and navels, said CU-Boulder's Rob Knight, senior author on the paper published in the Nov. 6 issue of Science Express. The researchers found unexpectedly wide variability in bacterial communities from person to person in the study, which included nine healthy volunteers and which targeted 27 specific sites on the body.

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