Cpx two-component regulatory system in Gram-negative bacteria—A review

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Cpx two-component regulatory system in Gram-negative bacteria—A review
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Fund Project:Supported by the National Natural Science Foundation of China (31270077，31100044)，by the National Natural Science Foundation of Hebei Province (C2012208019)，by the " 100 Talent Program" of Hebei Province (E2012100005) and by the Key Research Foundation of Hebei Human Resource Department for Returned Scholars (2011-02)

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Abstract:Bacteria predominantly adapt to environmental changes to ensure their growth and proliferation through onecomponent，two-component and three-component regulatory systems． Conjugative pilus expression (Cpx) system is one of the two-component regulatory systems in gram-negative bacteria．It is composed of the membrane-anchored sensor kinase CpxA，the cytosolic responding regulator CpxR and the accessory protein CpxP in the periplasm． In this review，the components of the Cpx system and their structural characteristics were introduced and the latest research on Cpx signal integration was summarized．Further attempts to better understand the mechanisms were also proposed．

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Le Xu, Xiaohui Zhou, Xiaoliang He. Cpx two-component regulatory system in Gram-negative bacteria—A review. [J]. Acta Microbiologica Sinica, 2014, 54(3): 269-275

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Received:June 21,2013
Revised:October 12,2013
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Online: March 03,2014
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