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Decolorization of Rhodobacter Sphacroides on Reactive Red X-3B and it's Plasmid

Zhang Bo Zhang Surong (Department of Life Sciences,Shanxi University,Taiyuan 030006)  
This paper studied the influence of three factors on decolorization and the relation between decolorization and plasmid.The results showed that cultural conditions greatly influenced decolorization rates.In pH6~9,the decolorization rates were over 85%and at 15℃~40℃,the decolorization rates were over 75%.The decolorization rates in anaerobic condition were higher than that in aerobic condition.By using the agar gel electrophoresis technique,it is found that the strain has a plasmid and fails to decolorize Reactive Red X-3B after removing its plasmids.These results showed the dye decolorizing ability of Rhodobacter sphacroides was controlled by its plasmids.
【Fund】: 山西省青年科学基金
【CateGory Index】: X780.3
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