A taxonomic study below the generic or at the specific level was made of the electrophoretic patterns of five enzymes in fourteen strains of
Schizosaccharomyces, Octosporomyces, and
Hasegawaea species. The five enzymes were glucose-6-phosphate dehydrogenase, 6-phosphogluconate
dehydrogenase, hexokinase, phosphoglucomutase, and fumarase. All of the six strains of
Schizosaccharomyces pombe examined were linked to each other with a similarity value of 40% or more. The type strain of
Schizosaccharomyces malidevorans was closely related to that of
S. pombe with a similarity value of 60%. The similarity values of three strains of
Octosporomyces octosporus were 80% or more. All of the three strains of
Hasegawaea japonica var.
japonica examined had a uniform electrophoretic enzyme pattern. The similarity value between the strains of
H.
japonica var.
japonica and
H. japonica var.
versatilis was 60%. The three species,
S. pombe, O. octosporus, and
H. japonica had quite different electrophoretic enzyme patterns. Their similarity values were all 0%. The Co-Q systems of the strains were reinvestigated. These data are discussed from the taxonomic point of view.
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