Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.devcel.2012.12.011
Title: In Vivo Epigenomic Profiling of Germ Cells Reveals Germ Cell Molecular Signatures
Authors: Ng, J.-H.
Kumar, V.
Muratani, M.
Kraus, P.
Yeo, J.-C.
Yaw, L.-P.
Xue, K.
Lufkin, T.
Prabhakar, S.
Ng, H.-H. 
Issue Date: 11-Feb-2013
Source: Ng, J.-H., Kumar, V., Muratani, M., Kraus, P., Yeo, J.-C., Yaw, L.-P., Xue, K., Lufkin, T., Prabhakar, S., Ng, H.-H. (2013-02-11). In Vivo Epigenomic Profiling of Germ Cells Reveals Germ Cell Molecular Signatures. Developmental Cell 24 (3) : 324-333. ScholarBank@NUS Repository. https://doi.org/10.1016/j.devcel.2012.12.011
Abstract: The limited number of in vivo germ cells poses an impediment to genome-wide studies. Here, we applied a small-scale chromatin immunoprecipitation sequencing (ChIP-seq) method on purified mouse fetal germ cells to generate genome-wide maps of four histone modifications (H3K4me3, H3K27me3, H3K27ac, and H2BK20ac). Comparison of active chromatin state between somatic, embryonic stem, and germ cells revealed promoters and enhancers needed for stem cell maintenance and germ cell development. We found the nuclear receptor Nr5a2 motif to be enriched at a subset of germ cell cis-regulatory regions, and our results implicate Nr5a2 in germ cell biology. Interestingly, in germ cells, the H3K27me3 histone modification occurs more frequently at regions that are enriched for retrotransposons and MHC genes, indicating that these loci are specifically silenced in germ cells. Together, our study provides genome-wide histone modification maps of in vivo germ cells and reveals the molecular chromatin signatures of germ cells.
Source Title: Developmental Cell
URI: http://scholarbank.nus.edu.sg/handle/10635/52989
ISSN: 15345807
DOI: 10.1016/j.devcel.2012.12.011
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