Published: Vol 4, Iss 21, Nov 5, 2014 DOI: 10.21769/BioProtoc.1286 Views: 13494
Reviewed by: Tie LiuAnonymous reviewer(s)
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Abstract
Cyanobacteria are prokaryotes, which perform oxygenic photosynthesis. Among them, the unicellular cyanobacterium Synechocystis sp. PCC 6803 (hereafter Synechocystis) is a well characterized model system for studies on oxygenic photosynthesis, light signal transduction etc. Moreover, Synechocystis is applied in biotechnological applications (Desai and Atsumi, 2013). Stable transformation of Synechocytis is achieved via the uptake of DNA and incorporation into the host genome by homologous double recombination. This allows for the generation of gene knock-outs (KO) by replacing the coding sequence of the gene of interest by a KO-cassette (comprising of a selection marker flaked by sequences of the gene of interest) or stable overexpression of certain genes of interest after insertion of a corresponding overexpression cassette at a neutral insertion site on the host genome. Stable transformation of Synechocystis was reported by Grigorieva and Shestakov (1982). Since then, variants of the initial protocol have been applied successfully to transform Synechocystis sp. Here we describe a lab-protocol that was applied successfully for stable transformation of Synechocystis (Schwarzkopf et al., 2014).
Keywords: TransformationMaterials and Reagents
Equipment
Procedure
Notes
Recipes
Acknowledgments
Stable transformation of Synechocystis was reported by Grigorieva and Shestakov (1982). Experimental work was supported by Technische Universität München (TUM) core funding.
References
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© 2014 The Authors; exclusive licensee Bio-protocol LLC.
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Category
Microbiology > Microbial genetics > Transformation
Molecular Biology > DNA > Transformation
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