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2016 ; 428
(19
): 3752-75
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Molecular Mechanisms of Two-Component Signal Transduction
#MMPMID27519796
Zschiedrich CP
; Keidel V
; Szurmant H
J Mol Biol
2016[Sep]; 428
(19
): 3752-75
PMID27519796
show ga
Two-component systems (TCS) comprising sensor histidine kinases and response
regulator proteins are among the most important players in bacterial and archaeal
signal transduction and also occur in reduced numbers in some eukaryotic
organisms. Given their importance to cellular survival, virulence, and cellular
development, these systems are among the most scrutinized bacterial proteins. In
the recent years, a flurry of bioinformatics, genetic, biochemical, and
structural studies have provided detailed insights into many molecular mechanisms
that underlie the detection of signals and the generation of the appropriate
response by TCS. Importantly, it has become clear that there is significant
diversity in the mechanisms employed by individual systems. This review discusses
the current knowledge on common themes and divergences from the paradigm of TCS
signaling. An emphasis is on the information gained by a flurry of recent
structural and bioinformatics studies.