Abstract
The study of nuclear structure falls between the fields of cell biology and molecular biology and draws on techniques from both fields. In recent years, many exciting advances have been made in these areas, including single-molecule and superresolution imaging and the development of chromosome conformation capture (3C)-based technologies, which have brought the advent of genome-wide analysis of chromatin structure and contacts. However, many questions remain as to the function of nuclear structures, in particular their influence on transcription. Here we describe studies that have directly manipulated nuclear architecture at various levels and thus have clarified the causal influence of structure on transcription. We will also highlight open questions in the field, most notably regarding our understanding of the dynamics and variability in nuclear structure and its influence on gene expression.
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