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Biochemistry, Biophysics, and Structural Biology

Chromatin

University of Nebraska Medical Center

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Dynamics Of Nucleosome Assembly Characterized By Atomic Force Microscopy, Tommy Stormberg Dec 2022

Dynamics Of Nucleosome Assembly Characterized By Atomic Force Microscopy, Tommy Stormberg

Theses & Dissertations

Nucleosomes are the basic repeating unit defining the assembly and function of chromatin. Understanding the fundamental mechanisms of nucleosome structure and dynamics is critical to elucidating the chromatin assembly process. This dissertation describes my work in elucidating the role of different factors that drive the nucleosome dynamics.

In my first study, we characterized, for the first time, the effect of sequence on nucleosome assembly. We then characterized the role of internucleosomal interactions, discovering a critical role internucleosomal interactions in the assembly of higher order structures.

Based on the previous study and literature regarding histone tails, we hypothesized the histone H4 …