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Review Article

Signal transduction pathways in Synechocystis sp. PCC 6803 and biotechnological implications under abiotic stress

, , , , , , , & show all
Pages 269-280 | Received 11 Apr 2013, Accepted 24 Aug 2013, Published online: 01 Oct 2013
 

Abstract

Cyanobacteria have developed various response mechanisms in long evolution to sense and adapt to external or internal changes under abiotic stresses. The signal transduction system of a model cyanobacterium Synechocystis sp. PCC 6803 includes mainly two-component signal transduction systems of eukaryotic-type serine/threonine kinases (STKs), on which most have been investigated at present. These two-component systems play a major role in regulating cell activities in cyanobacteria. More and more co-regulation and crosstalk regulations among signal transduction systems had been discovered due to increasing experimental data, and they are of great importance in corresponding to abiotic stresses. However, mechanisms of their functions remain unknown. Nevertheless, the two signal transduction systems function as an integral network for adaption in different abiotic stresses. This review summarizes available knowledge on the signal transduction network in Synechocystis sp. PCC 6803 and biotechnological implications under various stresses, with focuses on the co-regulation and crosstalk regulations among various stress-responding signal transduction systems.

Declaration of interest

Authors report no conflict of interest. This work was supported by the National Natural Science Foundation of China (40876082); Public Science and Technology Research Funds Projects of the Ocean (200905021 and 201205027); the CAS/SAFEA International Partnership Program for Creative Research Teams; The Natural Science Foundation of Shandong Province (ZR2012DQ015), One Hundred–Talent Plan of Chinese Academy of Sciences, Guangdong Provincial Comprehensive Strategic Cooperation project of the Chinese Academy of Sciences (2011A090100040), Yantai Double-hundred High-end Talent Plan (No. XY–003–02), and 135 Development Plan of YIC–CAS.

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