DNA connecting adjacent nucleosome cores. Its length and accessibility affect nucleosome-array organization.
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Linker DNA refers to the short segments of DNA that connect nucleosomes, which are the fundamental units of chromatin structure in eukaryotic cells. Nucleosomes consist of a core of histone proteins around which a segment of DNA is wrapped. The DNA that links these nucleosomes together is referred to as linker DNA. In the organization of chromatin, linker DNA plays a crucial role in the compact structuring of DNA within the nucleus.