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Updated: Aug 19, 2026

DNA-affinity-purified Chip (DAP-chip) Method to Determine Gene Targets for Bacterial Two component Regulatory Systems
Published on: July 21, 2014
A novel mechanism for connecting bacterial two-component signal-transduction systems
1Department of Bioscience and Biotechnology, Graduate School of Agriculture of Kinki University, 3327-204 Nakamachi, Nara 631-8505, Japan.
Abstract:
Bacteria have many two-component signal-transduction systems (TCSs) that respond to specific environmental signals by altering the phosphorylated state of a response regulator. Although these systems are presumed to form an intricate signal network, the detailed mechanism of how they interact with each other remains largely unexplained. In a recent study of Salmonella, two TCSs have been discovered to be connected by a protein that protects a response regulator from dephosphorylation promoted by its cognate sensor kinase. This novel mechanism might provide an answer to some of the linkages found between other TCSs.
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