A taxonomic study of the genera
Lipomyces LODDER et KREGER-VAN RIJ and
Myxozyma VAN DER WALT, WEIJMAN et VON ARX was made by comparing the electrophoretic patterns of nine enzymes. The enzymes studied were glucose-6-phosphate dehydrogenase (EC 1.1.1.49), glutamate dehydrogenase (EC 1.4.1.4), malate dehydrogenase (EC 1.1.1.37), lactate dehydrogenase (EC 1.1.1.27), fumarase (EC 4.2.1.2), tetrazolium oxidase, catechol oxidase (EC 1.10.3.1), esterase (EC 3.1.1.1), and glutamate-oxaloacetate-transaminase (EC 2.6.1.1).
Lipomyces lipofer LODDER et KREGER-VAN RJI and
Lipomyces tetrasporus NIEDWDORP, BOS et SLOOFF had a uniform pattern within each species. On the other hand,
Lipomyces kononenkoae NIEUWDORP, BOS et SLOOFF and
Lipomyces starkeyi LODDER et KREGER-VAN RIJ each varied considerably in their enzyme patterns. Though about 50% similarity was observed between
L. starkeyi and
L. tetrasporus, five
Lipomyces species,
Lipomyces anomalus BABJEVA et GORIN,
L. lipofer, L. kononenkoae, L.
starkeyi, and
L. tetrasporus, differed from each other in their enzyme patterns.
Myxozyma melibiosi (SHIFRINE et PHAFF) VAN DER WALT, WEIJMAN et VON ARX and
Myxozyma mucilagina (PHAFF, STARMER, MIRANDA et MILLER) VAN DER WALT WEIJMAN et VON ARX each had a uniform pattern which differed from the five
Lipomyces species. The enzyme patterns of six
Myxozyma sp. strains were dissimilar to those of two
Myxozyma species. One strain of
Myxozyma sp. and two strains of
L. starkeyi showed about 60% similarity. The enzyme patterns of other
Myxozyma sp. strains were dissimilar to those of the five
Lipomyces species.
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