ISSN:
1432-072X
Keywords:
Clostridium thermosaccharolyticum
;
Clostridium thermoautotrophicum
;
Thermophilic nitrogenase
;
Ammonium assimilation
;
Nitrogen control
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Inorganic nitrogen metabolism in the obligate anaerobic thermophiles Chlostridium thermosaccharolyticum and Clostridium thermoautotrophicum differs in several respects. C. thermosaccharolyticum contains a nitrogenase as inferred from NH 4 + repressible C2H2 reduction, a glutamine synthetase which is partially repressed by ammonium, very labile glutamate synthase activities with both NADH and NADPH, NADPH-dependent glutamate dehydrogenase, and NH 4 + -dependent asparagine synthetase. C. thermoautotrophicum contains no nitrogenase, but glutamine synthetase, no glutamate synthase, no glutamate dehydrogenase, but a NADH-dependent alanine dehydrogenase and a NH 4 + -dependent asparagine synthetase.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00454964
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