1887

Abstract

The influence of specific growth rate on the ammonia-assimilating enzymes glutamine synthetase, NADP-linked glutamate synthase and NADP-linked glutamate dehydrogenase was studied in ammonia-limited and glucose-limited chemostat cultures of and . The response of these organisms, representatives of various ‘enzyme groups’ within the genus , showed considerable variation and confirmed the heterogeneity of the genus with respect to ammonia-assimilating enzymes. The overall significance of the glutamine synthetase/glutamate synthase pathway in any organism where the synthesis of these enzymes is not constitutive is questioned.

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/content/journal/micro/10.1099/00221287-111-1-133
1979-03-01
2021-05-16
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