Binukleær

Binukleær refers to a term used in the biological context to describe a structure made up of two nucleosomes linked together. This phenomenon is significant in understanding how DNA is compacted within the cell nucleus. A nucleosome is a basic unit of chromatin where DNA wraps around a core of histone proteins.

The binucleosome structure emerges as a result of the interaction between adjacent nucleosomes. This closer arrangement can be attributed to either the presence of linker histones between the nucleosomes or due to the mechanical compression of chromatin caused by physical forces such as applied shear stress.

In terms of structural aspects, the binucleosome has been observed to resemble a bimodal or double-nucleosome shape. This configuration implies a compact alignment of two adjacent nucleosomes in close proximity, effectively doubling up their compactness.

This configuration is significant in that it can reveal insight into the mechanics of chromatin, an essential aspect of gene regulation and function within eukaryotic cells. Research into binucleosomes' structure and function can provide a foundation for further studies in explaining the intimate connection between the organization and function of chromatin.

The establishment of binucleosomes is vital for temporal gene expression mechanisms. It exhibits that genomic information can be stored, accessed, and controlled within cells, increasing the biological value of eukaryotes. Hence, knowledge on the specifics of how binucleosomes interact with cyclic-element repeating genetic sequences (CREs) aids to open up conclusions on the assembly and maintenance of the nucleus.