Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical
Reexamination Certificate
2004-11-18
2009-10-27
Naff, David M. (Department: 1651)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing saccharide radical
C435S136000, C435S243000, C435S252100, C435S261000, C435S440000, C435S822000, C435S843000
Reexamination Certificate
active
07608435
ABSTRACT:
The invention relates to a microorganism, obtained by treatingCorynebacterium ammoniagenesKCCM 10488 producing 5′-Xanthylic acid as parent strain with UV radiation and mutation Derivatives such as N-methyl-N′nitro-N-nitrosoguanidine (NTG), Having a resistance to 5-fluorotryptophan which enhances Biosynthesis of N5-N10-tetrahydrofolate used for transferring Two formyl group during the process of puring biosynthesis, making It possible to accumulate 5′xanthylic acid in culture medium at a high Yield and high concentration rate same period of fermentation.
REFERENCES:
patent: 0350970 (1984-02-01), None
patent: 1029926 (2000-02-01), None
patent: 1-89980 (2001-10-01), None
patent: 02-57470 (2002-07-01), None
Chang Jea-Young
Kim Jeong-Hwan
Lee Jin-Nam
Oh Ki-Hoon
Oh Yoon-Suk
Birch & Stewart Kolasch & Birch, LLP
CJ Cheiljedang Corp.
Naff David M.
Ware Deborah K.
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