Related Experiment Video
Updated: May 12, 2026

Characterizing Microbiome Dynamics – Flow Cytometry Based Workflows from Pure Cultures to Natural Communities
Published on: July 12, 2018
CHIC-an automated approach for the detection of dynamic variations in complex microbial communities
Christin Koch1, Ingo Fetzer, Hauke Harms
1Department of Bioenergy, UFZ, Helmholtz Centre for Environmental Research, Leipzig, Germany.
A new tool, Cytometric Histogram Image Comparison (CHIC), analyzes microbial community structures from flow cytometry data without prior gating. This method is person-independent, computationally efficient, and highly sensitive to environmental changes.
Area of Science:
- Microbiology
- Environmental Science
- Data Analysis
Background:
- Environmental changes significantly alter microbial community structures at the single-cell level.
- Community flow cytometry offers sensitive detection of these microbial shifts.
- Limited pattern analysis tools hinder the widespread adoption of flow cytometry for microbial monitoring.
Purpose of the Study:
- To introduce Cytometric Histogram Image Comparison (CHIC), a novel analysis tool for microbial cytometric data.
- To enable trend interpretation of microbial community structure variations without predefined gates.
- To provide a person-independent and computationally efficient method for microbial monitoring.
Main Methods:
- Development and application of the Cytometric Histogram Image Comparison (CHIC) tool.
- Testing various factors influencing the sensitive determination of community structure changes.
- Validation using a complex microbial community dataset.
Main Results:
- CHIC successfully interprets trends in microbial community structure variations.
- The method is person-independent and requires low computational resources.
- Sensitivity was demonstrated to discriminate down to 0.5% internal variation.
Conclusions:
- CHIC provides an accessible and accurate approach for analyzing microbial flow cytometry data.
- This tool facilitates sensitive microbial monitoring, correlating with experimental variations.
- CHIC addresses the limitations of existing pattern analysis methods in microbial ecology.
Related Concept Videos
Automated Microbial Diagnostics
Methods to Assess Microbial Communities
Methods to Assess Microbial Populations
Modern Molecular Taxonomy
Methods of Classification and Identification
iChip

