Related Experiment Video
Updated: May 23, 2026

09:57
Rearing and Double-stranded RNA-mediated Gene Knockdown in the Hide Beetle, Dermestes maculatus
Published on: December 28, 2016
Kin conflict in insect societies: a new epigenetic perspective
Robert A Drewell1, Nathan Lo, Peter R Oxley
1Biology Department, Harvey Mudd College, 301 Platt Boulevard, Claremont, CA 91711, USA.
Trends in Ecology & Evolution
|April 10, 2012
Summary
DNA methylation is crucial for caste development in social insects like ants, wasps, and bees. Future research may explore its role in parent-offspring conflict and reproductive potential manipulation.
Area of Science:
- Epigenetics
- Evolutionary Biology
- Insect Molecular Biology
Background:
- Social hymenopterans (ants, wasps, bees) possess the genetic and enzymatic machinery for DNA methylation.
- DNA methylation is known to influence developmental processes, particularly caste determination in these insects.
Purpose of the Study:
- To explore potential roles of DNA methylation beyond caste development in social insects.
- To investigate the hypothesis that DNA methylation mediates parent-offspring conflict over reproductive potential.
Main Methods:
- This study is theoretical, drawing upon existing knowledge of DNA methylation and social insect biology.
- It proposes future research directions based on theoretical predictions.
Main Results:
- Social insects have the capacity for DNA methylation, which is central to caste differentiation.
- Theoretical models suggest DNA methylation could be involved in genomic imprinting.
Conclusions:
- DNA methylation is a key epigenetic mechanism in social insects, vital for development.
- Further research is warranted to investigate DNA methylation's role in parent-offspring genomic imprinting and reproductive strategies.
More Related Videos
Related Concept Videos
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Position-effect Variegation
In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
Histone Modification
The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone deacetylase,...
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone deacetylase,...
Inheritance of Chromatin Structures
Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying DNA...

