Epigenetic inheritance and reprogramming of chromatin modifications in early mammalian development

来源 :第七届全国生物信息学与系统生物学学术大会 | 被引量 : 0次 | 上传用户:kejianghaoxl
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  Histone modifications are considered as fundamental epigenetic regulators that control many crucial cellular processes.However,whether these marks can be passed on from gametes to the next generation in mammals is a long-standing question that remains unclear.By developing a highly sensitive approach,STAR ChIP-seq,we provided a panoramic view of the landscape of key histone modifications from developing gametes to postimplantation embryos.Interestingly,we found that upon fertilization,extensive reprogramming occurred on the paternal genome,as few H3K4me3 peaks were observed in zygotes before they reappeared after major zygotic genome activation.
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