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Updated: May 8, 2026
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Analysis of Transgenerational Epigenetic Inheritance in C. elegans Using a Fluorescent Reporter and Chromatin Immunoprecipitation (ChIP)
Published on: May 5, 2023
Microscopic analysis of chromatin localization and dynamics in C. elegans
Christian Lanctôt1, Peter Meister
1First Faculty of Medicine, Institute of Cellular Biology and Pathology, Charles University in Prague, Prague, Czech Republic.
Methods in Molecular Biology (Clifton, N.J.)
|August 28, 2013
Summary
This study introduces new microscopy techniques for tracking gene positioning in C. elegans embryos. These methods help understand genome reorganization and chromatin dynamics during development.
Area of Science:
- Developmental Biology
- Genomics
- Cell Biology
Background:
- The genome undergoes significant reorganization during development, impacting nuclear organization.
- Studying 3D genome folding requires integrating population-based (damID/Hi-C) and single-cell microscopy techniques.
- Assessing dynamic chromatin behavior necessitates live-sample analysis.
Purpose of the Study:
- To present complementary techniques for evaluating nuclear gene positioning in C. elegans.
- To enable the study of genome reorganization and chromatin dynamics during cell fate acquisition.
- To provide tools for calibrating genome-wide folding data with single-cell resolution.
Main Methods:
- Fluorescence in situ hybridization (FISH) for fixed samples.
- GFP-lacI/lacO chromatin-tagging system for live worm embryos.
- Utilizing C. elegans as a model organism due to its rapid development and genetic tractability.
Main Results:
- Demonstrated feasibility of tracking gene positioning in both fixed and live C. elegans embryos.
- Provided a method to correlate population-averaged genome folding data with single-cell observations.
- Enabled visualization of dynamic chromatin changes during development.
Conclusions:
- C. elegans is a powerful model for studying nuclear organization changes.
- The presented techniques offer valuable tools for high-resolution analysis of genome folding.
- These methods advance our understanding of the relationship between genome structure and cell fate.
