NAD-Specific 6-Phosphogluconate Dehydrogenase in Lactic Acid Bacteria

1 January 1996

journal article
Published by Taylor & Francis in Bioscience, Biotechnology, and Biochemistry

Vol. 60 (4) , 692-693
https://doi.org/10.1271/bbb.60.692

Abstract

6-Phosphogluconate dehydrogenase was screened in for cell-free extracts from seventeen strains of lactic acid bacteria. Three types of the enzyme could be classified according to the coenzyme specificity: NAD-specific, NADP-specific, and non-specific types. The two strains that had a heterofermentative pathways had an NAD-specific 6-phosphogluconate dehydrogenase. This type had higher enzyme activity per proteins in the cell-free extracts, and more specificity to NAD compared to the other types of the enzyme in the lactic acid bacteria studied.

Keywords

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