Related Experiment Video
Updated: Dec 30, 2025

Rapid and Efficient Spatiotemporal Monitoring of Normal and Aberrant Cytosine Methylation within Intact Zebrafish Embryos
Published on: August 18, 2022
Editing DNA Methylation in Mammalian Embryos.
Taiga Yamazaki1, Yu Hatano2, Ryoya Taniguchi2
1Division of Biomedical Research, Kitasato University Medical Center, Kitasato University, 6-100 Arai, Kitamoto, Saitama 364-8501, Japan.
DNA methylation is vital for mammalian development, controlling gene expression. New epigenome editing tools allow precise DNA methylation manipulation, offering insights into early embryonic development and gametogenesis.
Area of Science:
- Epigenetics and Developmental Biology
Background:
- DNA methylation is crucial for mammalian development, regulating chromosomal stability, genomic imprinting, and X-chromosome inactivation.
- Gene knockout studies of DNA methyltransferases and demethylation enzymes have advanced understanding of DNA methylation's role in development.
Purpose of the Study:
- To review recent DNA methylation editing technologies.
- To focus on DNA methylation changes during mammalian gametogenesis and preimplantation development.
- To discuss the implications of epigenome editing for early embryonic research.
Main Methods:
- Review of recent advancements in DNA methylation editing technologies.
- Analysis of DNA methylation dynamics during gametogenesis and preimplantation stages.
- Discussion of the application of epigenome editing in studying early mammalian embryos.
Main Results:
- Epigenome editing enables targeted manipulation of DNA methylation at specific genomic loci.
- Significant changes in DNA methylation patterns occur during mammalian gametogenesis and preimplantation development.
- These technologies offer novel approaches to investigate the functional roles of DNA methylation in early development.
Conclusions:
- Epigenome editing represents a powerful tool for dissecting the functions of DNA methylation.
- Understanding DNA methylation dynamics in gametes and early embryos is critical for reproductive health.
- The application of these technologies holds promise for advancing research in developmental epigenetics and assisted reproduction.
Related Concept Videos
Epigenetic Regulation
Epigenetic Regulation
X-chromosome...
Genomic Imprinting and Inheritance
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
In-vitro Mutagenesis
Chromatin Modification in iPS Cells
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...

