1887

Abstract

SUMMARY: , grown microaerobically in batch culture, showed much higher uptake hydrogenase activity in N-fixing than in NH -grown cultures. Hydrogenase synthesis was induced by H under a low partial pressure of O and under air, in autotrophic as well as in heterotrophic conditions, provided that the sucrose concentration was relatively low. Sucrose at 15 m repressed hydrogenase formation but did not inhibit preformed activity. Other utilizable carbon substrates repressed, while non-utilizable substrates did not repress, hydrogenase synthesis. The activity, unlike nitrogenase, was not sensitive to O but hydrogenase synthesis was partially repressed by O.

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/content/journal/micro/10.1099/00221287-134-4-893
1988-04-01
2019-10-21
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-134-4-893
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