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The binding of transcription factors (TFs) triggers activation of specific chromatin regions through the recruitment and activation of RNA polymerase. Unique nucleosome positioning (NP) occurs during gene expression and has been suggested to be involved in various other chromatin functions. However, the diversity of NP that can occur for each function has not been clarified. Here we used MNase-Seq data to evaluate NP around 258  cis- regulatory elements in the mouse genome. Principal component analysis of the 258 elements revealed that NP consisted of five major patterns. Furthermore, the five NP patterns had predictive power for the level of gene expression. We also demonstrated that selective NP patterns appeared around TF binding sites. These results suggest that the NP patterns are correlated to specific functions on chromatin.

Exploration of nucleosome positioning patterns in transcription factor function