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单词 DNase I Hypersensitive Site
释义

DNase I Hypersensitive Site

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DNase I hypersensitive site

 DNase I hypersensitive sites within chromatin[1]

In genetics, DNase I hypersensitive sites (DHSs) are regions of chromatin that are sensitive to cleavage by the DNase I enzyme. In these specific regions of the genome, chromatin has lost its condensed structure, exposing the DNA and making it accessible. This raises the availability of DNA to degradation by enzymes, such as DNase I. These accessible chromatin zones are functionally related to transcriptional activity, since this remodeled state is necessary for the binding of proteins such as transcription factors.

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更新时间:2025/6/22 4:16:29