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Updated: Jun 28, 2026
11:40
High-Throughput Screening of Microbial Isolates with Impact on Caenorhabditis elegans Health
Published on: April 28, 2022
Design and analysis strategies for robust microbiome ageing research.
Mark Olenik1, İsmail Güderer1, Yi Wang1
1Leibniz Institute on Aging - Fritz Lipmann Institute (FLI), Jena, Germany.
FEBS Letters
|June 26, 2026
Summary
The gut microbiome changes with age, impacting health and longevity. This review offers a framework to improve research rigor, ensuring reliable microbiome biomarkers for ageing.
Area of Science:
- Microbiome research
- Gerontology
- Biomarker development
Background:
- The gut microbiome composition changes with age, influencing age-related diseases.
- Current research faces challenges in distinguishing true biological signals from methodological artifacts.
- This variability hinders the microbiome's potential as a biomarker or intervention target for ageing.
Purpose of the Study:
- To provide an integrated framework for human microbiome-ageing research.
- To address key methodological challenges for strengthening causal inference.
- To guide researchers in developing robust microbiome-based metrics for biological ageing.
Main Methods:
- Systematic review of methodological challenges in microbiome-ageing research.
- Analysis of confounding factors, selection biases, and temporal dynamics.
- Integration of Mendelian randomization with longitudinal and interventional evidence.
Main Results:
- Identified five key methodological challenges in microbiome-ageing studies.
- Highlighted the impact of confounding variables and biases on cohort selection.
- Emphasized the need for rigorous validation strategies to separate ageing signals from batch effects.
Conclusions:
- A structured approach is crucial for reliable microbiome-ageing research.
- Addressing methodological rigor will enhance reproducibility and generalizability.
- Validated microbiome metrics can serve as indicators of biological ageing.
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