Related Experiment Video
Updated: Jan 20, 2026

21:24
Methylated DNA Immunoprecipitation
Published on: January 2, 2009
24.1K
Histone hyperacetylation and DNA methylation interplay during murine spermatogenesis
Liliana Burlibaşa1, Andreea Carmen Ionescu1, Delia-Mihaela Dragusanu1
1University of Bucharest, Faculty of Biology, Genetics Department, Bucharest, Romania.
Summary
Investigating DNA methylation
Area of Science:
- Reproductive Biology
- Epigenetics
- Spermatogenesis
Background:
- Epigenetic reprogramming is crucial for male germ cell development.
- Cross-talk between DNA methylation and histone acetylation in spermatogenesis is not well understood.
Purpose of the Study:
- To investigate the role of DNA methylation in controlling histone hyperacetylation during spermatogenesis.
- To explore the effects of DNA methyltransferase inhibition on chromatin remodeling.
Main Methods:
- Transmission electron microscopy
- Immunocytochemistry
- Immunoprecipitation
- Treatment with 5-aza-2'-deoxycytidine (DNA methyltransferase inhibitor)
Main Results:
- DNA methylation regulation plays a significant role in controlling histone hyperacetylation.
- Chromatin remodeling during spermatogenesis is influenced by DNA methylation.
Conclusions:
- DNA methylation is a key regulator of epigenetic modifications during male germ cell development.
- Targeting DNA methylation may offer therapeutic strategies in reproductive biology.
Related Concept Videos
Histone Modification
16.0K
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...
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
16.0K
Histone Modification
4.4K
4.4K
Histone Variants at the Centromere
5.0K
Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3...
5.0K
Spermatogenesis
122.1K
Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
122.1K
Spermatogenesis
9.0K
Spermatogenesis is a complex process that involves the development of sperm cells from undifferentiated stem cells in the seminiferous tubules of the testes. The process is essential for the production of mature and functional sperm cells that are capable of fertilizing an egg.
The process of spermatogenesis can be divided into mitosis, meiosis, and spermiogenesis. During mitosis, the spermatogonia or stem cells divide to produce two identical daughter cells, type A and B spermatogonia. Type-A...
The process of spermatogenesis can be divided into mitosis, meiosis, and spermiogenesis. During mitosis, the spermatogonia or stem cells divide to produce two identical daughter cells, type A and B spermatogonia. Type-A...
9.0K
DNA Packaging
112.1K
Overview
112.1K

