ANALYSIS OF COLONY FORMING CURVES OF SOIL BACTERIA

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概要

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• By observing of the colony formation of soil bacteria on a plate, we found that the colony forming curves of soil bacteria were remarkably different from those of pure cultured bacteria ; the colony forming curves of the soil bacteria showed several tiers of curves : in the case of upland and paddy soil bacteria, the curves showed 2 and 3 tiers, respectively. We obtained the isolates from the colonies composing each tier of curve and studied the physiological properties by using the first order reaction (FOR) model. Each tier of the colony forming curve was found to be composed by the group having a similar growth rate. The ratio of the population size and the difference of growth rate of each group were analyzed by the superposition of FOR models. Parameter t_Γ of the FOR model was considered to reflect directly the growth rate.

• 社団法人日本土壌肥料学会の論文

著者

• HATTORI TSUTOMU

  Laboratory of Environmental Microbiology, Institute of Genetic Ecology, Tohoku University

• Ishikuri Shu

  Laboratory Of Soil Microbiology Institute For Agricultural Research Tohoku University

• Hattori Tsutomu

  Laboratory Of Soil Microbiology Institute For Agricultural Research Tohoku University

• Hattori Tsutomu

  Laboratory Of Environmental Microbiology Institute Of Genetic Ecology Tohoku University

• HATTORI Tsutomu

  Laboratory of Soil Microbiology, Institute for Agricultural Research Tohoku University

関連論文

• Comparative Study of Bacterial Populations in a Grassland Soil in 1987 and 1992
• ANALYSIS OF COLONY FORMING CURVES OF SOIL BACTERIA
• A Simulation Approach to the Recognition of Soil Protozoa in the Ring Method

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