Biosynthesis of carotenoids in genetically engineered hosts

Details Biosynthesis of carotenoids in genetically engineered hosts Biosynthesis of carotenoids in genetically engineered hosts

C - Chemistry, Metallurgy

12

N

C12N 15/52 (2006.01) C12N 9/00 (2006.01) C12N 15/74 (2006.01) C12N 15/81 (2006.01) C12N 15/82 (2006.01) C12P 5/00 (2006.01) C12P 23/00 (2006.01)

Patent

CA 2055447

DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase, phytoene dehydrogenase-4H, lycopene cyclase, beta-carotene hydroxylase, and zeaxanthin glycosylase and DNA variants thereof encoding an enzyme having substantially the same biologically activity, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes, a method for protecting plants from the herbicide norflurazon, as well as methods for producing GGPP and the carotenoids phytoene, lycopene, .beta.-carotene, zeaxanthin and zeaxanthin diglucoside by recombinant DNA technology in tranformed host organisms are disclosed.

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