When nitrogenase in Azotobacter vinelandii 12837 is repressed by ammonia, the derepression is accelerated by endotoxin or cyclic AMP. The phenomenon appears neither to be a consequence of accelerated ammonia utilization nor altered activity of preformed enzyme. This is a unique example of an effect of endotoxin on a procaryotic system.
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Title
Derepression of nitrogenase in Azotobacter
Publication Details
Biochemical and biophysical research communications, Vol.60(1), pp.76-80