Methylome data derived from maternal-zygotic zebrafish.

Data Brief

Department of Biological Science, Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima, 739-8526 Japan.

Published: October 2022

Genomic DNA methylation is an epigenetic marker mediated by DNA methyltransferases (Dnmts); in vertebrates, it comprises of a maintenance DNA methyltransferase, Dnmt1, and two DNA methyltransferases (Dnmt3a and Dnmt3b). In zebrafish, there are two homologs of the mammalian Dnmt3a: Dnmt3aa and Dnmt3ab. A knockout (KO) mutant of zebrafish was generated using the CRISPR/Cas9 genome-editing system as a new model for DNA methylation research. Since zebrafish KO mutants were viable and fertile, a maternal-zygotic deficient mutant (MZ) was generated. We performed whole-genome bisulfite sequencing (WGBS) to reveal the DNA methylation profile using this mutant and identified genomic regions with altered CpG methylation as differentially methylated regions (DMRs) in this mutant compared to those in the wild-type fish. We provided novel raw and processed datasets using the MZ KO mutant, and the raw data of WGBS are available through the Gene Expression Omnibus (GEO), accession number GSE178690.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9399957PMC
http://dx.doi.org/10.1016/j.dib.2022.108514DOI Listing

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