Nitrogenase activity and nitrogen assimi
β
Bone, Derek H.
π
Article
π
1971
π
Springer-Verlag
β 456 KB
Anabaena /los-aquae is grown in ehemostats under phosphate and urea-limited conditions, l~itrogenase activity in phosphate-limited cells has a maximum activity at a dilution rate of 0.025 h -1 and is repressed 24-fold by 15 mM KNO 3. Cultures growing on 1.5 mM nitrate obtain 1/2--2/3 of cell nitroge