STUDIES ON PATHOGENIC HALOPHILES:I. IDENTIFICATION AND SURVIVAL STUDY

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概要

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• N4 and EB102 strains isolated respectively by Takikawa and Fujino from cases of food-poisoning are reasonably identified as Pseudomonas or Vibrio, and they differ only in their activity with arabinose, in their morphological and biological characteristics. Their biochemical activities were strengthened in media containing 3 per cent sodium chloride.In survival studies of N4 and EB102 strains, it was found that magnesium sulfate contributed more favourably to their survival than sodium chloride, but even the former supported the survival for only 2 days, and not for 5 days. On the contrary, these organisms were alive more than 67 days in 30 to 100 per cent marine water. ZoBell(1) reported that natural marine water was more adequate for cultivating freshly isolated marine bacterial strains than isotonic salt solution and an artificial marine water. MacLeod et al. (13) suggested that the favourable effect of marine water contributing to the growth of marine bacteria was attributed to inorganic ions contained in it. Our experimental results seem to agree with the former report. Yasukawa(14) observed that V. cholerae survived in sterilized marine water for 2 to 4 months at room temperature in the summer. This information of Yasukawa's suggests a notable resemblance between the pathogenic halophiles and V. cholerae.

• 財団法人 学会誌刊行センターの論文

著者

• Kozima Tsuneo

  Department Of Food Science College Of Bioindustry Tokyo University Of Agriculture

• SHIBA Tsuyoshi

  Department of Energy Conversion Engineering Kyushu University

• HATTA SADAYOSHI

  Department of Hygiene, Nippon Medical College

• YAMAZI YUKIO

  Department of Hygiene and Microbiology, National Hygienic Laboratory

• ISHIZEKI TIUICHI

  Department of Hygiene and Bacteriology, National Hygienic Laboratory

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• STUDIES ON PATHOGENIC HALOPHILES:I. IDENTIFICATION AND SURVIVAL STUDY

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