Related Experiment Video
Updated: Jan 22, 2026

Characterizing Histone Post-translational Modification Alterations in Yeast Neurodegenerative Proteinopathy Models
Published on: March 24, 2019
The Unexpected Noncatalytic Roles of Histone Modifiers in Development and Disease
Yann Aubert1, Shaun Egolf1, Brian C Capell2
1Penn Epigenetics Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA.
Abstract:
Epigenetic regulation is critical for the precise control of cellular fate and developmental programs. Disruption of epigenetic information is increasingly appreciated as a potential driving mechanism in both developmental disorders as well as ubiquitous diseases such as cancer. Consistent with this, mutations in histone modifying enzymes are amongst the most frequent events in all of human cancer. While early studies have focused on the canonical enzymatic functions involved in catalyzing modifications to histones, more recent studies have uncovered a new layer of critical nonenzymatic roles in transcriptional regulation for these proteins. Here, we provide an overview of these surprising, yet exciting, noncanonical, noncatalytic roles, and highlight how these revelations may have important implications for understanding disease and the future of epigenome-targeting therapies.
Insights
Histone modifying enzymes have critical nonenzymatic roles in gene regulation. Understanding these noncanonical functions is key for developing new epigenome-targeting therapies for diseases like cancer.
Area of Science:
- Molecular Biology
- Epigenetics
- Genetics
Background:
- Epigenetic regulation governs cellular fate and development.
- Disruptions in epigenetic information are linked to developmental disorders and cancer.
- Mutations in histone modifying enzymes are frequent in human cancers.
Purpose of the Study:
- To provide an overview of the nonenzymatic roles of histone modifying enzymes.
- To highlight the significance of these noncanonical functions in transcriptional regulation.
- To explore implications for disease understanding and epigenome-targeting therapies.
Main Methods:
- Literature review of recent studies on histone modifying enzymes.
- Analysis of noncanonical, noncatalytic functions.
- Synthesis of findings related to disease mechanisms and therapeutic strategies.
Main Results:
- Histone modifying enzymes possess critical nonenzymatic roles in transcriptional regulation.
- These noncanonical functions represent a new layer of epigenetic control.
- Evidence suggests these roles are crucial in various diseases, including cancer.
Conclusions:
- The nonenzymatic functions of histone modifying enzymes are vital for cellular processes.
- Understanding these noncanonical roles offers new insights into disease pathogenesis.
- These findings pave the way for novel epigenome-targeting therapeutic approaches.
Related Concept Videos
Histone Modification
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
Histone Modification
Histone Variants at the Centromere
The Role of Culture
Role of Septins
Cellular Functions of Septins
Recent studies have revealed the multifaceted roles of septins in various cellular processes such as cytokinesis, ciliogenesis, and neurogenesis. Septins act as scaffolds and...
The Roles of Bacteria and Fungi in Plant Nutrition

