Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing a carotene nucleus
Reexamination Certificate
2006-07-11
2006-07-11
Monshipouri, Maryam (Department: 1653)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing a carotene nucleus
C435S183000, C435S252300, C435S320100, C536S023200
Reexamination Certificate
active
07074587
ABSTRACT:
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 fromPhaffia rhodozyma.The present invention also provides a process for the production of astaxanthin.
REFERENCES:
patent: 0 769 551 (1997-04-01), None
patent: WO 97/23633 (1997-07-01), None
Martinez, et al., “Genetic Transformation of Astaxanthin Mutants ofPhaffia rhodozyma,”Antonie van Leeuwenhoek, vol. 73, pp. 147-153 (1998).
Wery, et al., High Copy Number Integration Into the Ribosomal DNA of the YeastPhaffia rhodozyma, Gene, vol. 184, pp. 89-97 (1997).
Hoshino Tatsuo
Ojima Kazuyuki
Setoguchi Yutaka
Bryan Cave LLP
DSM IP Assets B.V.
Monshipouri Maryam
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