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    epigenetic inheritance tagged posts

    Cracking Epigenetic Inheritance: Biologists discovered the Secrets of How Gene Traits are passed on

    March 11, 2024, Categories  Biology/Biotechnology, Health/Medical

     The evicted histone hexamer and its chaperons from the replisome structure. (A-B) The architecture of the parental histone hexamer. (C-D) The histone-chaperone complex on the replisome. (E-F) The structure of an intact nucleosome. Modified from Li et al, Nature (2004)

    A research team led by Professor Yuanliang ZHAI at the School of Biological Sciences, The University of Hong Kong (HKU) collaborating with Professor Ning GAO and Professor Qing LI from Peking University (PKU), as well as Professor Bik-Kwoon TYE from Cornell University, has recently made a significant breakthrough in understanding how the DNA copying machine helps pass on epigenetic information to maintain gene traits at each cell division...

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    New study shows Transmission of Epigenetic Memory across Multiple Generations

    September 28, 2022, Categories  Biology/Biotechnology, Health/Medical

    embryo-chromosomes-410.jpg
    In a study of epigenetic inheritance, researchers created embryos of the worm C. elegans that inherited egg chromosomes properly packaged with the epigenetic mark H3K27me3 and sperm chromosomes lacking the mark. The one-cell embryo on the left inherited the pink chromosomes from the egg and the green chromosomes from the sperm, the colors showing the presence or absence of H3K27me3. The two-cell embryo on the right shows the egg and sperm chromosomes united in each nucleus. (Photo by Laura Gaydos)

    Without altering the genetic code in the DNA, epigenetic modifications can change how genes are expressed, affecting an organism’s health and development...

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