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STRIKE-T2D: Identifying Causal Microbial Strains Underlying Type 2 Diabetes via Longitudinal Analysis

Project description

Gut bacteria and diabetes development

Emerging evidence indicates that the gut microbiome plays a key role in the development of type 2 diabetes. However, most studies have identified associations rather than causal relationships, and it remains unclear which specific bacterial strains drive metabolic dysfunction rather than simply accompanying it. With the support of the Marie Skłodowska-Curie Actions programme, the STRIKE-T2D project proposes to carry out faecal microbiota transplantation from pre-diabetic donors into germ-free mice to establish causal links between specific gut bacterial strains and glucose metabolism. Combining high-resolution metagenomics, multi-omics analysis and causal modelling, researchers will identify microbial strains that reproducibly alter host metabolism, pointing towards new diagnostic and therapeutic strategies for type 2 diabetes.

Objective

STRIKE-T2D (Strain-level Interpretation of Key Effectors in Type 2 Diabetes) aims to uncover specific gut microbial strains that causally influence the progression of type 2 diabetes (T2D). While many human studies have linked microbiome changes to metabolic disease, most remain observational and lack the resolution to identify microbial drivers rather than bystanders.
This project integrates a longitudinal, genetically controlled fecal microbiota transplantation (FMT) mouse model with strain-resolved metagenomics and multi-omics analysis. Using prediabetic donors from a well-characterized cohort (IGT), germ-free mice will be colonized and phenotyped over time to track microbiota-driven metabolic changes. High-resolution metagenomic workflows will enable reconstruction and tracking of microbial strains and genetic variants linked to host glycemic outcomes.
Beyond association, STRIKE-T2D will apply causal mediation models to link microbial features with intermediate metabolic traits, and experimentally validate prioritized candidates both in vivo and in vitro. Ultimately, the project will identify microbial strains and functions that reproducibly alter host glucose metabolism—offering new insights into disease pathogenesis and pointing toward future diagnostic or therapeutic strategies.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

GOETEBORGS UNIVERSITET
Net EU contribution
€ 236 340,00
Address
VASAPARKEN
405 30 Goeteborg
Sweden
Region
Södra Sverige Västsverige Västra Götalands län
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data