The interpersonal and intrapersonal diversity of human-associated microbiota in key body sites

Luke K. Ursell, Jose C. Clemente, Jai Ram Rideout, Dirk Gevers, James G Caporaso, Rob Knight

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

The human body harbors 10 to 100 trillion microbes, mainly bacteria in our gut, which greatly outnumber our own human cells. This bacterial assemblage, referred to as the human microbiota, plays a fundamental role in our well-being. Deviations from healthy microbial compositions (dysbiosis) have been linked with important human diseases, including inflammation-linked disorders, such as allergies, obesity, and inflammatory bowel disease. Characterizing the temporal variations and community membership of the healthy human microbiome is critical to accurately identify the significant deviations from normality that could be associated with disease states. However, the diversity of the human microbiome varies between body sites, between patients, and over time. Environmental differences have also been shown to play a role in shaping the human microbiome in different cultures, requiring that the healthy human microbiome be characterized across life spans, ethnicities, nationalities, cultures, and geographic locales. In this article we summarize our knowledge on the microbial composition of the 5 best-characterized body sites (gut, skin, oral, airways, and vagina), focusing on interpersonal and intrapersonal variations and our current understanding of the sources of this variation.

Original languageEnglish (US)
Pages (from-to)1204-1208
Number of pages5
JournalJournal of Allergy and Clinical Immunology
Volume129
Issue number5
DOIs
StatePublished - May 2012

Fingerprint

Microbiota
Dysbiosis
Vagina
Inflammatory Bowel Diseases
Human Body
Ethnic Groups
Hypersensitivity
Obesity
Inflammation
Bacteria
Skin

Keywords

  • 16S rRNA sequencing
  • Human microbiome
  • microbial diversity
  • temporal variation

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

The interpersonal and intrapersonal diversity of human-associated microbiota in key body sites. / Ursell, Luke K.; Clemente, Jose C.; Rideout, Jai Ram; Gevers, Dirk; Caporaso, James G; Knight, Rob.

In: Journal of Allergy and Clinical Immunology, Vol. 129, No. 5, 05.2012, p. 1204-1208.

Research output: Contribution to journalArticle

Ursell, Luke K. ; Clemente, Jose C. ; Rideout, Jai Ram ; Gevers, Dirk ; Caporaso, James G ; Knight, Rob. / The interpersonal and intrapersonal diversity of human-associated microbiota in key body sites. In: Journal of Allergy and Clinical Immunology. 2012 ; Vol. 129, No. 5. pp. 1204-1208.
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