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Sci Prog. 2006;89(Pt 3-4):213-42.

The role of two-component regulation systems in the physiology of the bacterial cell.

Author information

1
Laboratory for Microbiology, Swammerdam Institute for Life Sciences, Amsterdam, The Netherlands.

Abstract

Two-component regulation systems (TCRSs) are the dominant type of signal transduction system in prokaryotes that are used to inform the cellular trancriptional machinery (and additional targets for regulation, like the motility apparatus) about actual changes in the extracellular physicochemical conditions. We now review their molecular structure and enzymatic characteristics, their mutual interactions and its implications, and their role in cellular physiology. Specific emphasis is placed on the ArcB/A system, a representative of the phosphorelay type of TCRS, and a key player in the adjustment of the cellular make-up of enterobacteria in response to alterations in the oxygen availability. Also some applied aspects of the TCRSs are discussed, i.e. their role as a target to develop new anti-bacterials and their application in biotechnology (or: 'synthetic biology').

PMID:
17338439
[Indexed for MEDLINE]

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