Cited by 1,019Gut microbiota and healthOral microbiology and periodontitis researchMicrobial Community Ecology and Physiology

Geography, Ethnicity or Subsistence-Specific Variations in Human Microbiome Composition and Diversity

Open access
Gupta, Vinod K., Paul, Sandip, Dutta, Chitra·2017·Frontiers in Microbiology

Abstract

One of the fundamental issues in the microbiome research is characterization of the healthy human microbiota. Recent studies have elucidated substantial divergences in the microbiome structure between healthy individuals from different race and ethnicity. This review provides a comprehensive account of such geography, ethnicity or life-style-specific variations in healthy microbiome at five major body habitats – Gut, Oral-cavity, Respiratory Tract, Skin and Urogenital Tract (UGT). The review focuses on the general trend in the human microbiome evolution - a gradual transition in the gross compositional structure along with a continual decrease in diversity of the microbiome, especially of the gut microbiome, as the human populations passed through three stages of subsistence like foraging, rural farming and industrialized urban western life. In general, gut microbiome of the hunter-gatherer populations is highly abundant with Prevotella, Proteobacteria, Spirochaetes, Clostridiales, Ruminobacter etc., while those of the urban communities are often enriched in Bacteroides, Bifidobacterium and Firmicutes. The oral and skin microbiome are the next most diverse among different populations, while respiratory tract and UGT microbiome show lesser variations. Higher microbiome diversity is observed for oral-cavity in hunter-gatherer group with higher prevalence of Haemophilus than agricultural group. In case of skin microbiome, rural and urban Chinese populations show variation in abundance of Trabulsiella and Propionibacterium. On the basis of published data, we have characterized the core microbiota – the set of genera commonly found in all populations, irrespective of their geographic locations, ethnicity or mode of subsistence. We have also identified the major factors responsible for geography-based alterations in microbiota; though it is not yet clear which factor plays a dominant role in shaping the microbiome – nature or nurture, host genetics or his environment. Some of the geographical/racial variations in microbiome structure have been attributed to differences in host genetics and innate/adaptive immunity, while in many other cases, cultural/behavioral features like diet, hygiene, parasitic load, environmental exposure etc. overshadow genetics. The ethnicity or population-specific variations in human microbiome composition, as reviewed in this report, question the universality of the microbiome-based therapeutic strategies and recommend for geographically tailored community-scale approaches to microbiome engineering.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.3389/fmicb.2017.01162

Cites

107 of 107 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Extrinsic factors such as geographical location or diet and life styles, and intrinsic factors such as genetics or early-life exposures are main contributors to gut microbiome divergences among races and ethnicities.

    “Extrinsic factors, such as geographical location or diet and life styles, and intrinsic factors such as genetics or early-life exposures are main contributors to such divergences.[25][26][27]”

    From The Diversity of Gut Microbiome is Associated With Favorable Responses to Anti–Programmed Death 1 Immunotherapy in Chinese Patients With NSCLC (2019) · cites this paper as [26]

    The Summary and Gastrointestinal microbiome sections link geographic differences, diet and lifestyle to variation in gut microbiomes. They also discuss genetics, but say its role in shaping the gut microbiome is unclear; the gastrointestinal section mentions early-life exposures such as delivery mode, breastfeeding and antibiotics without establishing them as main contributors to ethnic or racial divergences. The claim is therefore stronger than this review supports. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Gut microbiota composition changes according to ethnicity and geographic location.

    “There is evidence that GM composition changes according to ethnicity and geographic location [91,92]”

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Gupta, V. K., Paul, S., & Dutta, C.
Affiliations
Indian Institute of Chemical Biology (IN)
Corresponding author
Dutta, Chitra
Venue
Frontiers in Microbiology
Published
2017-06-23
Volume
8
Pages
1162-1162
ISSN
1664-302X (ISSN-L)
OpenAlex
W2663374310
Cited by
1,019
References
107
Citations by year
2026: 90 · 2025: 123 · 2024: 117 · 2023: 138 · 2022: 138 · 2021: 176 · 2020: 94 · 2019: 79 · 2018: 55 · 2017: 8
FWCI
6.04
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Microbiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Council of Scientific and Industrial Research (GENESIS (BSC0121), HUM (BSC0119))
  • Department of Science and Technology, Ministry of Science and Technology
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
Keywords
human microbiome, regional variation, ethnicity, subsistence, hunter-gatherers, gut microbiota, oral microbiota, skin microbiome, airway microbiome, urogenital microbiota, core microbiome, microbiome diversity, host genetics, diet, hygiene hypothesis, microbiome engineering, Prevotella, Bacteroides, Firmicutes

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review