The meaning of gene positioning

Takumi Takizawa1, Karen J Meaburn, Tom Misteli

  • 1National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.

Cell
|October 16, 2008
PubMed
Summary

Genomes are organized nonrandomly within the nucleus. This essay explores the functional relevance of spatial gene positioning and its link to gene activity in higher eukaryotes.

Related Concept Videos

Chromatin Position Affects Gene Expression02:35

Chromatin Position Affects Gene Expression

Chromatin is the massive complex of DNA and proteins packaged inside the nucleus. The complexity of chromatin folding and how it is packaged inside the nucleus greatly influences  access to genetic information. Generally, the nucleus' periphery is considered transcriptionally repressive, while the cell's interior is considered a transcriptionally active area. 
Topologically Associated Domains (TADs)
The 3-dimensional positioning of chromatin in the nucleus influences the...
25.2K