The regulatory role of histidine kinase in modulating nucleoside metabolites in <i>Streptomyces noursei</i> CK-15.

However, between 96 and 120 h, the glucose content in the fermentation broth of the CK-15 wild-type strain showed a trend of first increasing and then decreasing, while the glucose content in the fermentation broth of the oSHK strain showed an increasing trend. 3.9 Determination of ammonia and nitrogen content in fermentation broth of OSHK mutant strain Using the nitroprusside method, the ammonia nitrogen content in the fermentation broth of different strains at different time points was measured.

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