Evidence map›Paper›PMID 40320537›Full record

ArticleBMC microbiology2025

The altitudinal patterns of global human gut microbial diversity.

Lu-Lu Peng, Fu-Liang Qi, Kun Tan, Wen Xiao

Abstract read
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Article in BMC microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Lu-Lu PengInstitute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, 671003, Yunnan, China.
Fu-Liang QiInstitute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, 671003, Yunnan, China.
Kun TanInstitute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, 671003, Yunnan, China. tank@eastern-himalaya.cn.
Wen XiaoInstitute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, 671003, Yunnan, China.

Funding

National Natural Science Foundation of China 32360274
6 · The paper itself

Abstract

backgroundThe human gut microbiota is closely associated with human health, influencing not only overall well-being but also the incidence and treatment outcomes of diseases. Altitudinal gradients are considered to impact gut microbial community characteristics through factors such as environmental temperature, humidity, and lifestyle. While previous studies have reported altitudinal variations in human gut microbiota in specific regions, a comprehensive exploration of these patterns at a global scale is still lacking. In this study, we analyzed 16S rRNA amplicon sequencing data from healthy human gut microbiota, spanning altitudes from 3 m to 3850 m, obtained from multiple open-access databases. The analysis focused on elucidating the altitudinal patterns of microbial diversity, community composition, and functional profiles.

resultsAfter screening, a total of 6702 sequences from 15 countries were obtained. The diversity of human gut microbiota decreased with increasing altitude (R = -0.047, P < 0.001), but no consistent results were acquired among continents. The relative abundances of the genera Faecalibacterium and Blautia decreased with rising altitude (R = -0.131 and R = -0.135, respectively, P < 0.001 for both), while the relative abundance of the genus Prevotella increased with altitude (R = 0.336, P < 0.001). However, taxa such as Bacilliota, Bacteroides, and Bifidobacterium exhibit no consistent trends across different continents. The abundance of genes associated with the metabolism of terpenoids and polyketides, lipid metabolism, neurodegenerative diseases, and aging increased with altitude (R = 0.146, 0.037, 0.366, and 0.317, respectively; lipid metabolism P = 0.003, others P < 0.001). Conversely, the abundance of genes related to the immune system and carbohydrate metabolism decreased with increasing altitude (R = -0.166 and R = -0.219, respectively; P < 0.001 for both).

conclusionAltitude significantly influences diversity, composition, and functional attributes of the human gut microbiota.

Indexed as

AltitudeBacteriaBiodiversityGastrointestinal MicrobiomeDNA, BacterialFecesHumansPhylogenyRNA, Ribosomal, 16SSequence Analysis, DNADNA, BacterialRNA, Ribosomal, 16SAltitudeDistribution patternsGlobalGut microbiota

Identifiers

PMID40320537
PMCPMC12051316

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.