Abstract
An effect of various physico-chemical parameters on nitrogenase-catalyzed oxygen-free hydrogen production byNostoc muscorum was demonstrated. More hydrogen was produced in the light than in the dark. Optimum temperature was 40 °C. Various sugars increased hydrogen production whereas on easily metabolized nitrogen sources it was inhibited. The production was sensitive to salinity and Fe3+, Cu2+, Zn2+ and Ni2+ ions. Ultrastructural study revealed many electron-dense layers outside the cell-wall area that have not been observed earlier.
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This work was supported byUniversity Grants Commission (New Delhi, India). Electron microscopy was done atSophisticated Instruments Facility, Department of Anatomy, All India Institute of Medical Sciences, New Delhi.
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Shah, V., Garg, N. & Madamwar, D. Ultrastructure of the cyanobacteriumNostoc muscorum and exploitation of the culture for hydrogen production. Folia Microbiol 48, 65–70 (2003). https://doi.org/10.1007/BF02931278
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DOI: https://doi.org/10.1007/BF02931278