US Patent 7422873 Mutant carotenoid ketolase
Patent 7422873 was granted and assigned to E.I. Du Pont De Nemours And Company on September, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Henry Yao0
Kristen Janet Stead0
Rick W. Ye0
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Article (+426 characters)
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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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US Patent 07422873 Mutant carotenoid ketolase US Patent 7422873 Mutant carotenoid ketolase
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Patent Number
074228730
Patent Number
74228730
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Current Assignee
Patent Jurisdiction
Patent Number
074228730
Date of Patent
September 9, 2008
0Patent Application Number
113956440
Date Filed
March 31, 2006
0Official Website
Patent Primary Examiner
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US Patent 07422873 Mutant carotenoid ketolase
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07422873
Date of patent
September 9, 2008
Patent application number
11395644
Date Filed
March 31, 2006
Patent primary examiner
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