| 摘要 |
The present invention is directed to genetic materials useful for the preparation of astaxanthin from beta-carotene, such as polypeptides having astaxanthin synthase activity, DNA fragments coding for astaxanthin synthase, recombinant organisms and the like. Those novel genetic materials may be derived from Phaffia rhodozyma. The present invention also provides a process for the production of astaxanthin.
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