DECOMPOSITION OF ALGINIC ACID BY MICROORGANISMS-V:ON THE ALGINASE OF VIBRIO SP. SO-20 STRAIN

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概要

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• The present paper deals with the alginase action of the alginic acid decomposing bacteria, Vibrio sp. SO-20 strain, reported in the previous paper. The results are summarized as follows: 1) The bacteria produced adaptively an enzyme, "alginase", when grown on the synthetic medium containing alginic acid as a source of carbon. The crude enzyme was prepared from three day's culture on such medium. 2) The enzyme was found to belong to a so-called halophylic enzyme. 3) The optimum pH of the enzyme was 7.0-7.2. 4) The enzyme seems to be similar to "algin depolymerase" reported by EPPLEY and LASKER; in the alginase reaction a remarkable decrease of viscosity was observed before a small quantity of reducing sugar slightly appeared. 5) From the paper-chromatograph of the end-products of the alginase reaction, it was found that the enzyme hydrolyzed alginic acid to some oligouronides but not to free mannuronic acid.

• 社団法人 日本水産学会の論文

著者

• 安藤 芳明

  北海道衛生研究所

• 井上 勝弘

  北海道衛生研究所

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• DECOMPOSITION OF ALGINIC ACID BY MICROORGANISMS-V:ON THE ALGINASE OF VIBRIO SP. SO-20 STRAIN
• DECOMPOSITION OF ALGINIC ACID BY MICROORGANISMS-IV:ON THE VIBRIO-TYPE BACTERIA, NEWLY ISOLATED FROM THE DECAYING LAMINARIA

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