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KMID : 1024520030120090935
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Journal of the Environmental Sciences
2003 Volume.12 No. 9 p.935 ~ p.941
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Changes of growth and morphology of bacteria by the treatment of Microcystis isolated from the Seo-Nakdong River
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Bahk Jae-Rim
Ha Kyong
Kwon Yun-Mi
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Abstract
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To investigate the interaction of bacteria and Microcystis isolated from a hypertrophic reservoir(Seo-Nakdong River), the response of five bacteria in relation to the different treatment of Microcystis and microcystin production by addition of dominant bacteria Staphylococcus sciuri were examined. Five bacteria (S. sciuri, S. capitis, S. epidermis, Pseudomonas aeruginosa and Aeromonas aimonicida) were identified from the reservoir. In the experiment of bacterial response, two types of bacterial growth pattern were observed. All bacteria showed active growth in heated Microcystis-added media. Especially, three species of bacteria (S. sciuri, S. capitis and P. aeruginosa) among them showed active growth in live Microcystis-added media. In Microcystis response, increase of microcystin production showed when dominant bacteria, S. sciuri was added.
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KEYWORD
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Bacterial growth, Microcystis, Seo-Nakdong River, Staphylococcus sciuri
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