Related Experiment Video
Updated: Dec 10, 2025

Global Level Quantification of Histone Post-Translational Modifications in a 3D Cell Culture Model of Hepatic Tissue
Published on: May 5, 2022
Interactions With Histone H3 & Tools to Study Them
William A Scott1,2, Eric I Campos1,2
1Genetics & Genome Biology Program, The Hospital for Sick Children, Toronto, ON, Canada.
Histone proteins H3.1 and H3.3 dynamically change during the cell cycle, influenced by chaperones and modifications. New tools help study these dynamic histone-protein interactions in chromatin.
Area of Science:
- Molecular Biology
- Epigenetics
- Cell Biology
Background:
- Histones are key components of chromatin, regulating its structure, dynamics, and function.
- Histone variants, posttranslational modifications, and binding proteins significantly impact chromatin.
- Nucleosomal histones undergo dynamic changes throughout the cell cycle, including transcription and replication.
Purpose of the Study:
- To provide an overview of H3.1 and H3.3 histone dynamics during the cell cycle.
- To highlight tools for studying dynamic histone-protein interactions.
- To discuss histone chaperoning, modification, and binding events.
Main Methods:
- Review of established and emerging technologies for studying chromatin dynamics.
- Focus on experimental tools for spatiotemporal chromatin analysis.
- Emphasis on methods investigating histone chaperones, modifications, and effector proteins.
Main Results:
- Histones H3.1 and H3.3 exhibit distinct dynamic behaviors across the cell cycle.
- Various proteins chaperone, modify, and bind histones at different cell cycle stages.
- Evolving technologies enhance the understanding of dynamic histone-protein interactions.
Conclusions:
- Understanding histone dynamics is crucial for comprehending chromatin regulation.
- Advanced tools are essential for dissecting complex histone-protein interactions.
- Further research using these technologies will illuminate chromatin functions.
More Related Videos
09:43Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue
Published on: November 30, 2018
11:02Complete Workflow for Analysis of Histone Post-translational Modifications Using Bottom-up Mass Spectrometry: From Histone Extraction to Data Analysis
Published on: May 17, 2016
Related Concept Videos
Histone Modification
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
Histone Modification
The Nucleosome Core Particle
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
The Nucleosome Core Particle
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
Spreading of Chromatin Modifications
Writers
The writer...
Heterochromatin
Constitutive heterochromatin: It is a highly compact region of chromatin that is mostly concentrated in the centromere and telomere. Unlike euchromatin, the amino acid at...