Left: staining for H3K27me3, which marks inactive DNA, on a nucleus of a wildtype embryo consisting of two cells Right: staining for H3K27me3, which marks inactive DNA, on a nucleus of an embryo ...
Cell division is an essential process for all life on earth, yet the exact mechanisms by which cells divide during early embryonic development have remained elusive – particularly for egg-laying ...
Transposable elements are stretches of DNA that can move around the genome. Many of these DNA sequences originate from long ago, when viruses inserted their genetic material into our ancestors' ...
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DNA from ancient viral infections helps embryos develop, mouse study reveals
A stretch of viral DNA in the mouse genome gives cells in early-stage embryos the potential to become almost any cell type in the body.
Researchers have gained new insights into the mechanism behind the spatial organization of DNA within the cells of early embryos. When an embryo is first formed after fertilization, each cell has the ...
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