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(19)

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2 312 137

(13)

(51)

IPC

C12N1/20(2006-01-01)

C12P19/40(2006-01-01)

C12R1/15(2006-01-01)

(21) (22)

Application

2005111596/13, 2003-12-10

(24)

Start date

2003-12-10

(22)

Actual filing date

2003-12-10

(45)

Published

2007-12-10

(72)

Inventor

Kvag Jang-Kh'EonOkh Ki-KhunKim Zheong-KhvanOkh Jun-SukSim Zhe-IkPark Jang-KhunChang Zhi-Jang

(73)

Holder

Si Dzhej Korporejshen

STRAIN CORYNEBACTERIUM AMMONIAGENES AS PRODUCER OF 5'-XANTHYLIC ACID AND METHOD FOR PREPARING 5'-XANTHYLIC ACID Russian patent published in 2007 - IPC C12N1/20 C12P19/40 C12R1/15

Abstract RU 2312137 C2

FIELD: biotechnology, microbiology, nucleotides.

SUBSTANCE: invention relates to a method for producing 5'-xantylic acid by using culturing the mutant strain Corynebacterium ammoniagenes CJXSP 0201 deposited at number KCCM 10448 and possessing resistance to oligomycin. For preparing the strain Corynebacterium ammoniagenes CJXSP 0201 the strain Corynebacterium ammoniagenes KCCM 10340 is used as a parent strain that is subjected to effect of UV-radiation and mutagens, for example, N-methyl-N'-nitro-N-nitrosoguanidine by standard procedures. Invention provides accumulation of 5'-xanthylic acid in cultural fluid with high yield and the high concentration degree.

EFFECT: improved preparing method.

3 cl, 2 ex

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RU 2 312 137 C2

Authors

Kvag Jang-Kh'Eon

Okh Ki-Khun

Kim Zheong-Khvan

Okh Jun-Suk

Sim Zhe-Ik

Park Jang-Khun

Chang Zhi-Jang

Dates

2007-12-10—Published

2003-12-10—Filed