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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

High-level expression of human superoxide dismutase in the cyanobacterium Anacystis nidulans 6301.

A chemically synthesized gene encoding human CuZn superoxide dismutase (hSOD) was cloned into the shuttle vector pBAX18R and expressed in Anacystis nidulans 6301 (Synechococcus sp. strain PCC 6301) under the control of a ribulose-1,5-bisphosphate carboxylase/oxygenase gene (rbc) promoter derived from A. nidulans 6301. The sequences immediately upstream from the hSOD coding region and the distances between the ribosomal binding site and ATG initiation codon strongly affected the expression of the hSOD gene in A. nidulans cells. Optimal expression of hSOD was obtained with the expression vector pBAXSOD8-I, which contained a GGAGAG sequence. In defined conditions, irradiation with light increased hSOD enzyme activity in the transformants > 18-fold and the level of the hSOD protein reached a value of about 3% of the total soluble protein. The transformants that expressed hSOD acquired the ability to extenuate photooxidative damage induced by methyl viologen.[1]

References

  1. High-level expression of human superoxide dismutase in the cyanobacterium Anacystis nidulans 6301. Takeshima, Y., Takatsugu, N., Sugiura, M., Hagiwara, H. Proc. Natl. Acad. Sci. U.S.A. (1994) [Pubmed]
 
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