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http://dx.doi.org/10.5657/fas.2008.11.3.172

Isolation and Identification of a Photosynthetic Bacterium Containing a High Content of Coenzyme Q10  

Jeong, Soo-Kyoung (Department of Biotechnology, Pukyong National University)
Ahn, Soon-Cheol (Department of Microbiology and Immunology, Pusan National University, School of Medicine)
Kong, In-Soo (Department of Biotechnology, Pukyong National University)
Kim, Joong-Kyun (Department of Biotechnology, Pukyong National University)
Publication Information
Fisheries and Aquatic Sciences / v.11, no.3, 2008 , pp. 172-176 More about this Journal
Abstract
To develop a potent strain for the production of coenzyme $Q_{10}$, a photosynthetic bacterium was isolated from silt of the Nakdong River in Korea. Using l6S-rDNA sequence analysis, the isolated strain was identified as Rhodobacter sphaeroides. A stable improvement in its $CoQ_{10}$ content was achieved by chemical mutation, upon which the content of $CoQ_{10}$(2.94 mg/g dry cell) was increased by approximately 1.9-fold, comparable to that of R. sphaeroides reported in other studies. The isolate is a potentially valuable microorganism for mass production of $CoQ_{10}$, and may provide an appropriate model for further study of economical mass production.
Keywords
Isolation; Photosynthetic bacterium; Rhodobacter sphaeroides; Coenzyme $Q_{10}$;
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