Characterization of Antioxidant-Producing Alteromonas macleodii HJ-14 Isolated from Seawater
2006
Yeo, S.H. (Keimyung University, Daegu, Republic of Korea) | Kim, H.J. (Kyungnam University, Masan, Republic of Korea) | Yoon, J.H. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea) | Kim, H.S. (Keimyung University, Daegu, Republic of Korea) | Hwang, Y.I. (Kyungnam University, Masan, Republic of Korea) | Lee, S.C. (Kyungnam University, Masan, Republic of Korea), E-mail: [email protected]
A bacterial strain HJ-14 was isolated as a producer of antioxidants from the coast of Jinhae in Korea. The isolate showed 43.4 mol% of G+C content, and contained dihydrogenated ubiquinone with Q8 as a major quinone. Chemotaxonomic analysis as well as phylogenetic analysis, based on the 16S rDNA sequence, identified the isolate as a member of Alteromonas macleodii. For antioxidant production, the optimum medium composition was determined to be 3% dextrin, 0.5% ammonium sulfate, and 2-6% sodium chloride. Optimum culture conditions for production of antioxidant materials with strain HJ-14 were at pH 6.0-8.0 and 25-37℃.
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