Related Experiment Video
Updated: Dec 22, 2025

CRISPR-Mediated Reorganization of Chromatin Loop Structure
Published on: September 14, 2018
Short-range regulatory chromatin loops in plants
Delfina Gagliardi1, Pablo A Manavella1
1Facultad de Bioquímica y Ciencias Biológicas, Instituto de Agrobiotecnología del Litoral (CONICET-UNL), Cátedra de Biología Celular y Molecular, Universidad Nacional del Litoral, 3000, Santa Fe, Argentina.
Gene expression in eukaryotes is linked to chromatin condensation. This review highlights how short-range chromatin interactions dynamically regulate gene expression, offering new insights into genome topology.
Area of Science:
- Genetics
- Molecular Biology
- Epigenetics
Background:
- Gene expression correlates with chromatin condensation in eukaryotes.
- Heterochromatin is tightly packed and transcriptionally repressed, while euchromatin is relaxed and active.
- Chromatin domains influence genome topology and gene expression coordination.
Purpose of the Study:
- To review the role of short-range chromatin interactions in regulating gene expression.
- To highlight advancements in deciphering genome topology at high resolution.
- To discuss dynamic mechanisms of gene regulation.
Main Methods:
- Review of current literature on chromatin interactions and gene expression.
- Analysis of high-resolution genome topology data.
- Identification of short-range regulatory chromatin interactions.
Main Results:
- Short-range chromatin interactions are dynamic mechanisms regulating specific loci.
- High-resolution genome topology analysis has identified numerous such interactions.
- These interactions dynamically modify genome topology and alter gene expression.
Conclusions:
- Short-range chromatin interactions play a crucial role in fine-tuning gene expression.
- Understanding genome topology is key to deciphering gene regulation.
- Further research into these dynamic interactions will advance our knowledge of gene control.
More Related Videos
12:36Chromatin Immunoprecipitation Assay for the Identification of Arabidopsis Protein-DNA Interactions In Vivo
Published on: January 14, 2016
11:33Investigating Interactions Between Histone Modifying Enzymes and Transcription Factors in vivo by Fluorescence Resonance Energy Transfer
Published on: October 14, 2022
Related Concept Videos
Cell Signaling in Plants
Chromatin Position Affects Gene Expression
Topologically Associated Domains (TADs)
The 3-dimensional positioning of chromatin in the nucleus influences the...
Chromatin Packaging
The chromatin
In combination with specialized DNA binding protein called Histones, the DNA double helix forms a compact DNA: protein complex called chromatin. The chromatin itself is further compacted into higher-order...
Chromatin Packaging
Chromatin Packaging
Lampbrush Chromosomes
LBCs are made up of two pairs of conjugating homologous chromatids. Each chromatid consists of alternatively positioned regions of condensed-inactive chromatin and loosely placed-active side loops, which can be contracted and extended. The loops...