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Heterochromatin

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  • The world's tiniest first responders

    The cell has its own paramedic team and emergency room to aid and repair damaged DNA, a new USC Dornsife study reveals. The findings are timely, as scientists are delving into the potential of genome editing with the DNA-cutting enzyme, CRISPR-Cas9, to treat diseases or to advance scientific knowled more

  • New mechanism for genome regulation found

    The same mechanisms that quickly separate mixtures of oil and water are at play when controlling the organization in an unusual part of our DNA called heterochromatin, according to a new study by researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab). Research more

  • Laser pulses reveal DNA repair mechanisms

    Understanding the cellular response to DNA strand breaks is crucial to decipher the mechanisms maintaining the integrity of our genome. In eukaryotic cells, the molecular events triggered by DNA damage are strongly influenced by the local chromatin environment surrounding the lesion. The ensuing DNA more

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Definition

Heterochromatin

Heterochromatin Heterochromatin is a tightly packed form of DNA. Its major characteristic is that transcription is limited. As such, it is a means to control gene expression , through regulation of the transcription initiation. Structure Chrom ... more

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