Nickel-Dependent Uptake-Hydrogenase Activity in the Blue-Green Alga Anabaena variabilis
Open Access
- 1 February 1984
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung C
- Vol. 39 (1-2) , 90-92
- https://doi.org/10.1515/znc-1984-1-215
Abstract
Abtract: Uptake-hydrogenase activity in the blue-green alga (cyanobacterium) Anabaena variabilis is dependent on the presence of nickel. Nickel depletion leads to an enhancement of net lightinduced hydrogen evolution, which is catalyzed by nitrogenase. Addition of nickel chloride to the culture reverses this effect by stimulating hydrogenase activity. Methylviologen/dithionitedriven hydrogen formation of permeabilized cells is decreased by nickel depletion.Keywords
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