Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rick W. Ye0
Henry Yao0
Kristen Janet Stead0
Date of Patent
September 9, 2008
0Patent Application Number
113956440
Date Filed
March 31, 2006
0Patent Primary Examiner
Patent abstract
CrtW carotenoid ketolases are provided useful for the production of astaxanthin. The ketolases genes of the present invention exhibit improved ketolase activity when converting cyclic hydroxylated carotenoid intermediates into astaxanthin. Recombinant expression of the present carotenoid ketolases in host cell producing cyclic hydroxylated carotenoid intermediates enabled increased production of astaxanthin.
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