Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor
Reexamination Certificate
2007-05-15
2007-05-15
Lankford, Jr., Leon B. (Department: 1651)
Chemistry: molecular biology and microbiology
Micro-organism, per se ; compositions thereof; proces of...
Bacteria or actinomycetales; media therefor
C435S123000, C435S085000, C435S041000
Reexamination Certificate
active
10531675
ABSTRACT:
The invention relates toCorynebacterium ammoniagenesCJXOL 0201 KCCM 10447 producing 5′-xanthylic acid. More specifically, the invention relates toCorynebacterium ammoniagenesCJXOL 0201 KCCM 10447 which is a mutant strain ofCorynebacterium ammoniagenesKCCM 10340 having a resistance to oligomycin. In order to obtain mutant strain having enhanced respiratory activity, the present invention adoptedCorynebacterium ammoniagenesKCCM 10340 as parent strain and treated it with UV radiation and mutation derivatives such as N-methyl-N′-nitro-n-nitrosoguanidine(NTG) according to ordinary procedure. Therefore,Corynebacterium ammoniagenesCJXOL 0201 KCCM 10447 of the present invention makes it possible to increase ATP reproducing activity for same period of fermentation and can accumulate 5′xanthylic acid in culture medium at a high yield and concentration rate.
REFERENCES:
patent: 2002/0098552 (2002-07-01), Livshits et al.
Chang Jea-Young
Kim Jeong-Hwan
Kwag Young-Hyeon
Oh Ki-Hoon
Oh Yoon-Suk
Buchanan & Ingersoll & Rooney PC
CJ Corporation
Kim Taeyoon
Lankford , Jr. Leon B.
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