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16S rRNA gene amplicon sequencing reveals lifestyle-associated gut microbiome variation among tribal, rural, and urban populations from North Arcot regions of Tamil Nadu, India

Crossref DOI link: https://doi.org/10.1186/s12866-026-05506-6

Published Online: 2026-08-14

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

G. R., Shree Kumari https://orcid.org/0000-0003-4833-1856
Vaithilingam, Mohanasrinivasan https://orcid.org/0000-0001-7638-351X
Funding

Funding for this research was provided by:

Vellore Institute of Technology, Vellore
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Text and Data Mining valid from 2026-08-14

Accepted Manuscript valid from 2026-08-14
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Article History

Received: 11 March 2026

Accepted: 3 August 2026

First Online: 14 August 2026

Declarations

Ethics approval and consent to participate: The participants provided written informed consent for publication of anonymized data. The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Institutional Ethics Committee (Approval No: VIT/IECH/2025/16/IECH; dated 15 February 2025).

Consent for publication: Not applicable. This manuscript is not based on any individual person’s data in any form, including personal details photographs videos, or case reports. All the data presented were anonymized and aggregated at the cohort level (Mulluvadi tribal, Vellore urban, Odugathur rural; n = 25/group) where no identifiable information of participants is included. Fecal microbiota profiles are from pooled 16S rRNA sequencing analyses and are not referable to individual persons.

Competing interests: Authors declare no conflict of interest towards this study.

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