Spiral structure of Escherichia coli HUαβ provides foundation for DNA supercoiling

By Fusheng Guo, S. Adhya. Proceedings of the National Academy of Sciences of the United States of America, 2007

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The Major Architects of Chromatin: Architectural Proteins in Bacteria, Archaea and Eukaryotes (2008, background): “Based on crystal structures of E. coli HU—where a helical filamentous arrangement of HU provides a potential surface for wrapping of DNA—an old model for HU action according to which DNA is wrapped around a multimeric HU core was recently revived (Rouviere-Yaniv et al., 1979; Guo and Adhya, 2007).”
Bacterial nucleoid-associated proteins, nucleoid structure and gene expression (2010, background): “In one arrangement, these have the potential to form spiral filaments onto which a negatively supercoiled DNA can be wrapped in modelling experiment”