浦神海域の酵母数とその分布

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Marine and aquatic yeast flora of the Ota river and Urgami sea area were studied in June 1973,1974,and 1975.Seventeen stations focused on yeast fungi in river and sea water, 6 stations studied sea muds. In most of the Ota river and Uragami sea water, the number of yeasts was relatively low, less than 400 cells/liter, except in samples taken from the stations close to villages. Pure cultures of isolates were identified by the procedures recommended in The Yeasts -A Taxonomic Study (Lodder 1971). In the Uragami sea area 137 cultures of isolated yeasts were identified to the species level. The majority of the isolates belonged to Torulopsis, Candida and Rhodotorula.In the Uragami sea water, coloured forms of yeasts dominate. Species Rhodotorula glutinis, Rh. lactosa are the most common. In the Ota river, colourless forms of yeasts dominate. The increase in Torulopsis yeasts found in water containing marine materials and domestic wastes demonstrated that appearance of these isolates could be used as an index of marine pollution.
公益社団法人日本生物工学会の論文
1977-05-25