Phytoene desaturase, CrtI, of the purple photosynthetic bacterium, Rubrivivax gelatinosus, produces both neurosporene and lycopene.

Abstract

Biosynthetic pathways for carotenoids in the purple photosynthetic bacterium, Rubrivivax gelatinosus, which synthesizes spirilloxanthin in addition to spheroidene and OH-spheroidene, were investigated by means of genetic manipulation. A phytoene desaturase gene (crtI) found in the photosynthesis gene cluster of this bacterium was expressed in an Escherichia… (More)

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