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Curr Opin Microbiol. 2017 Aug;38:30-35. doi: 10.1016/j.mib.2017.04.002. Epub 2017 Apr 28.

The shrinking human gut microbiome.

Author information

1
Miller Institute for Basic Research in Science, University of California, Berkeley, 2538 Channing Way, Berkley, CA 94720, United States. Electronic address: andrew.moeller@berkeley.edu.

Abstract

Mammals harbor complex assemblages of gut bacteria that are deeply integrated with their hosts' digestive, immune, and neuroendocrine systems. Recent work has revealed that there has been a substantial loss of gut bacterial diversity from humans since the divergence of humans and chimpanzees. This bacterial depauperation began in humanity's ancient evolutionary past and has accelerated in recent years with the advent of modern lifestyles. Today, humans living in industrialized societies harbor the lowest levels of gut bacterial diversity of any primate for which metagenomic data are available, a condition that may increase risk of infections, autoimmune disorders, and metabolic syndrome. Some missing gut bacteria may remain within under-sampled human populations, whereas others may be globally extinct and unrecoverable.

PMID:
28458095
DOI:
10.1016/j.mib.2017.04.002
[Indexed for MEDLINE]

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