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Proteomic analysis of the heat shock response in synechocystis PCC6803 and a thermally tolerant knockout strain lacking the histidine kinase34 gene.

Slabas, A. R. and Suzuki, I. and Murata, N. and Simon, W. J. and Hall, J. J. (2006) 'Proteomic analysis of the heat shock response in synechocystis PCC6803 and a thermally tolerant knockout strain lacking the histidine kinase34 gene.', Proteomics., 6 (3). pp. 845-864.

Abstract

Proteomic analysis of the heat shock response of wild type and a mutant of the histidine kinase 34 gene (hik34), which shows increased thermal tolerance, has been performed in the cyanobacterium Synechocystis sp. PCC6803. In vivo radioactive labelling demonstrates that major proteomic changes occur within 1 h of heat shock. 2-D DIGE and MS have been used to quantify changes in specific proteins following heat shock in the wild type and the mutant. Over 100 spots, corresponding to 65 different proteins alter following heat shock. Changes occur not only in the classical heat shock proteins but also in the protein biosynthetic machinery, amino acid biosynthetic enzymes, components of the light and dark acts of photosynthesis and energy metabolism. The hik34 cells have elevated levels of heat shock proteins under both non-heat shock and heat shock conditions, in comparison to the wild type, consistent with Hik34, or a down stream component, being a negative regulator of heat shock-responsive genes.

Item Type:Article
Additional Information:
Keywords:2-D DIGE, Heat shock, Histidine kinase 34 gene, MS, Synechocystis.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1002/pmic.200500196
Record Created:18 May 2007
Last Modified:08 Apr 2009 16:32

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