Single domain response regulators: molecular switches with emerging roles in cell organization and dynamics.
Single domain response regulators: molecular switches with emerging roles in cell organization and dynamics.
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DOI:
10.1016/j.mib.2009.01.010
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发表时间:
2009-04
影响因子:
5.4
通讯作者:
Galperin, Michael Y.
中科院分区:
文献类型:
--
作者:
Jenal, Urs;Galperin, Michael Y.
Single domain response regulators (SD-RRs) are signaling components of two-component phosphorylation pathways that harbor a phosphoryl receiver domain but lack a dedicated output domain. The E. coli protein CheY, the paradigm member of this family, regulates chemotaxis by relaying information between chemoreceptors and the flagellar switch. New data provide a more complex picture of CheY-mediated motility control in several bacteria and suggest diverging mechanisms in control of cellular motors. Moreover, advances have been made in understanding cellular functions of SD-RRs beyond chemotaxis. We review recent reports indicating that SD-RRs constitute a family of versatile molecular switches that contribute to cellular organization and dynamics as spatial organizers and/or as allosteric regulators of histidine protein kinases.
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