1887

Abstract

SUMMARY:

An inducible UDPG pyrophosphorylase (UTP:α--glucose-1-phosphate uridyltransferase, EC 2.7.7.9) has been demonstrated in cell-free extracts from incubated in increasing atmospheric tensions of carbon dioxide. Assays of related enzymes have shown that UDPG pyrophosphorylase is not the only enzyme induced by CO. Glucose-6-phosphate dehydrogenase (EC 1.1.1.49) and glucose-phosphate isomerase (EC 5.3.1.7) were more strongly stimulated than UDPG pyrophosphorylase. Hexokinase (EC 2.7.1.1), phosphoglucomutase (EC 2.7.5.1) and 6-phosphogluconate dehydrogenase (EC 1.1.1.43) were more weakly stimulated than UDPG pyrophosphorylase. The stimulation of UDPG pyrophosphorylase does not occur as a result of sequential induction.

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/content/journal/micro/10.1099/00221287-30-1-121
1963-01-01
2022-01-26
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