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Title:
TRITERPENE OXIDASE DERIVED FROM PLANT BELONGING TO GENUS GLYCHYRRHIZA, GENE ENCODING THE TRITERPENE OXIDASE, AND USE OF THE PROTEIN OR THE GENE
Document Type and Number:
WIPO Patent Application WO/2009/020231
Kind Code:
A1
Abstract:
Disclosed are: a protein having an activity of oxidizing a dammarane triterpene; a gene encoding the protein; and use of the protein or the gene. Specifically disclosed are: a protein having an activity of oxidizing a dammarane triterpene, which is produced from a plant belonging the genus Glychyrrhiza; a gene encoding the protein; and use of the protein or the gene. The protein is depicted in SEQ ID NO: 1, 2 or 13, and the gene encoding the protein is depicted in SEQ ID NO: 3, 4 or 14, respectively. A transformant having the gene introduced therein is also produced, which enables to produce a triterpene oxidase.

Inventors:
MURANAKA TOSHIYA (JP)
SEKI HIKARU (JP)
OHYAMA KIYOSHI (JP)
SUDO HIROSHI (JP)
SAWAI SATORU (JP)
SAITO KAZUKI (JP)
Application Number:
PCT/JP2008/064496
Publication Date:
February 12, 2009
Filing Date:
August 06, 2008
Export Citation:
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Assignee:
RIKEN (JP)
UNIV CHIBA NAT UNIV CORP (JP)
TOKIWA PHYTOCHEMICAL CO LTD (JP)
MURANAKA TOSHIYA (JP)
SEKI HIKARU (JP)
OHYAMA KIYOSHI (JP)
SUDO HIROSHI (JP)
SAWAI SATORU (JP)
SAITO KAZUKI (JP)
International Classes:
C12N15/09; A01H5/00; A61K36/48; C12N5/10; C12N9/04; C12P7/02; C12Q1/68; A61K31/56; C07J53/00
Domestic Patent References:
WO2005080572A12005-09-01
WO2005080572A12005-09-01
Foreign References:
JP2007204769A2007-08-16
Other References:
SHIBUYA M. ET AL.: "Identification of beta- amyrin and sophoradiol 24-hydroxylase by expressed sequence tag mining and functional expression assay", FEBS J., vol. 273, no. 5, 2006, pages 948 - 959, XP002472147
SEKI H. ET AL.: "Licorice beta-amyrin 11-oxidase, a cytochrome P450 with a key role in the biosynthesis of the triterpene sweetener glycyrrhizin", PROC. NATL. ACAD. SCI. USA, vol. 105, no. 37, 2008, pages 14204 - 14209, XP008131547
See also references of EP 2192183A4
SHIBUYA ET AL.: "Identification of beta-amyrin and sophoradiol 24-hydroxylase by expressed sequence tag mining and functional expression assay", FEBS J, vol. 273, no. 5, March 2006 (2006-03-01), pages 948 - 59, XP002472147, DOI: doi:10.1111/j.1742-4658.2006.05120.x
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Attorney, Agent or Firm:
HIRAKI, Yusuke et al. (3-20 Toranomon 4-chom, Minato-ku Tokyo, JP)
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