Growth Characteristics of Citrobacter sp. MB2, Azo Dyes Decolorizing Bacterium
2006
Kweon, D.J. (Asia University, Kyungsan, Republic of Korea) | Ji, W.D. (Daegu Regional Innovation Agency, Daegu, Republic of Korea) | Kwon, O.J. (Gyeongbuk Regional Innovation Agency, Kyungsan, Republic of Korea) | Lee, T.J. (Gyeongbuk Regional Innovation Agency, Kyungsan, Republic of Korea) | Lee, N.H. (Catholic University of Daegu, Gyungsan, Republic of Korea) | Son, D.H. (Daegu Polytechnic College, Daegu, Republic of Korea) | Choi, U.K. (Asia University, Kyungsan, Republic of Korea), E-mail: [email protected]
A Citrobacter sp. MB 2, azo dyes decolorizing bacterium, was isolated from the wastewater and soil and identified as Citrobacter sp.. It was examined that optimum conditions for culture media were 0.5% of sucrose, 1.0% of yeast extract, 0.1% of K₂HPO₄, 0.1% of NaHCO₃ per distilled water. The best efficient condition of culture was obtained at pH 7.0, 30℃ and aerobic shaking culture. The number of Citrobacter sp. MB2 in optimum medium was increased more than 7 fold compared to basal medium and 50 fold compared to nutrient broth.
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