A Study on the Structure of the Heterotrophic Bacterial Community in Lake Suwa by Colony Grouping Method
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概要
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The "colony grouping method, " a simple method to group many heterotrophic bacterial strains, was applied to analyze the structure of the bacterial community in the natural aquatic environment of Lake Suwa. Among 500 strains obtained from this eutrophic freshwater lake in different months, 150 strains were lost during purification and retransferring procedures. The other 350 strains were exposed to the colony grouping test, and 295 strains were classified into 122 colony groups. The strains included in one colony group showed similar morphological and physiological characteristics. A more detailed description of the structure of the heterotrophic bacterial community in Lake Suwa was accomplished by the colony grouping method rather than the generic grouping method. These indicated that this method would be very useful in the study of the structure of the natural heterotrophic bacterial community. The changes in heterotrophic bacterial flora in terms of colony group in Lake Suwa were suggested to be related to that of algal flora.
- 日本陸水学会の論文
日本陸水学会 | 論文
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