Increase in colony counts of river bacterial community by supplementing with sodium pyruvate.

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  • SUGITATE TOSHIHIRO
    Laboratory of Microbial Ecology, Division of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology
  • MORIKAWA KAZUKO
    Laboratory of Microbial Ecology, Division of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology

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Other Title
  • Sodium pyruvate添加培地での河川細菌群集の計数値の増加
  • Sodium pyruvate テンカバイチ デ ノ カセン サイキン グンシュウ ノ ケイスウチ ノ ゾウカ

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Description

Adding sodium pyruvate to 1/2 strength PYG medium yielded higher plate counts for a river bacterial community. Maximal counts were obtained when 0.15g liter-1 of sodium pyruvate was added to the medium for both river water and epilithon samples. The degree of magnification of the plate counts on the medium supplemented with sodium pyruvate varied depending on the source of the sample. The findings suggested that the variations in magnification reveal aspects of physiological activities of microbial communities in river environments.

Journal

  • Microbes and Environments

    Microbes and Environments 14 (2), 85-87, 1999

    Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles

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