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Nucleoid-Associated Protein HU: A Lilliputian in Gene Regulation of Bacterial Virulence

Journal

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fcimb.2019.00159

Keywords

HU protein; DNA-binding protein; pathogenesis; virulence; nucleoid-associated protein

Funding

  1. Ministry of Defence of the Czech Republic - Long-term organization development plan Medical Aspects of Weapons of Mass Destruction of the Faculty of Military Health Sciences, University of Defence

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Nucleoid-associated proteins belong to a group of small but abundant proteins in bacterial cells. These transcription regulators are responsible for many important cellular processes and also are involved in pathogenesis of bacteria. The best-known nucleoid-associated proteins, such as HU, FIS, H-NS, and IHF, are often discussed. The most important fi ndings in research concerning HU protein are described in this mini review. Its roles in DNA compaction, shape modulation, and negative supercoiling induction have been studied intensively. HU protein regulates bacteria survival, growth, SOS response, virulence genes expression, cell division, and many other cell processes. Elucidating the mechanism of HU protein action has been the subject of many research projects. This mini review provides a comprehensive overview of the HU protein.

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