Method for producing carotenoids and bacteria used therefor

Details Method for producing carotenoids and bacteria used therefor Method for producing carotenoids and bacteria used therefor

C - Chemistry, Metallurgy

12

N

C12N 15/74 (2006.01)

Patent

CA 2552063

The invention concerns a method for synthesizing non-photosynthetic carotenoids using photosynthetic bacteria while producing at least one photosynthetic carotenoid of which one of the synthesis intermediates is lycopene. The inventive method is characterized in that it comprises a number of steps: the deletion and insertion of specific genes; the culturing of bacteria, and; the extraction of carotenoids. The invention also concerns the bacteria or mutants used in the aforementioned method.

La présente invention est relative à un procédé de synthèse de caroténoïdes non photosynthétiques mettant en .oelig.uvre des bactéries photosynthétiques produisant au moins un caroténoïde photosynthétique dont l'un des intermédiaires de synthèse est le lycopène caractérisé en ce qu'il comporte plusieurs étapes parmi lesquelles : délétion et insertion de gènes spécifiques, mise en culture des bactéries modifiées et extraction des caroténoïdes. L'invention couvre également les bactéries ou mutants mis en .oelig.uvre dans le procédé.

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