Expression and Regulation of DNA Methyltransferases in Chicken Germ Cells
Author Information
Author(s): Rengaraj Deivendran, Lee Bo Ram, Lee Sang In, Seo Hee Won, Han Jae Yong
Primary Institution: Seoul National University, Seoul, Korea
Hypothesis
The expression pattern and regulation of DNMT genes in primordial germ cells and germ line cells in chickens have not been sufficiently established.
Conclusion
The study found that cDNMT3B is highly expressed in early embryos and primordial germ cells, and its expression is regulated by specific miRNAs.
Supporting Evidence
- cDNMT3B expression was significantly downregulated by four miRNAs: gga-miR-15c, gga-miR-29b, gga-miR-383, and gga-miR-222.
- All cDNMT family members were differentially detected during early embryonic development.
- cDNMT3B expression was reestablished in a female germ cell-specific manner during sexual maturation.
Takeaway
This study looks at how certain genes that control DNA methylation work in chicken embryos and germ cells, and how they are influenced by tiny RNA molecules.
Methodology
The study used bioinformatics, RT-PCR, real-time PCR, and in situ hybridization analyses to examine the expression patterns of chicken DNMT family genes.
Digital Object Identifier (DOI)
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