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

Gene sll0033 from Synechocystis 6803 encodes a carotene isomerase involved in the biosynthesis of all-E lycopene.

The function of gene sll0033 from Synechocystis 6803 which is homologous to the bacterial crtI-type phytoene desaturase genes was elucidated as a novel carotene isomerase. Escherichia coli transformed with all genes necessary for the formation of zeta-carotene and expressing a zeta-carotene desaturase synthesized the positional isomer prolycopene (7,9,7',9'Z lycopene) which cannot be cyclized in the subsequent reactions to a- and beta-carotene. Upon cotransformation with sll0033, the formation of all-E lycopene is mediated instead.[1]

References

  1. Gene sll0033 from Synechocystis 6803 encodes a carotene isomerase involved in the biosynthesis of all-E lycopene. Breitenbach, J., Vioque, A., Sandmann, G. Z. Naturforsch., C, J. Biosci. (2001) [Pubmed]
 
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