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Nitrogen Assimilation: Optimization of 15N-Labelled Azoverdin Production by Azomonas macrocytogenes ATCC 12334

机译:氮同化:大单胞菌属ATCC 12334优化15N修饰的Azoverdin的生产

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摘要

The effects of various nitrogen sources and of the cultivation time on the biosynthesis of 15N-labelled azoverdin were studied in batch cultures of Azomonas macrocytogenes ATCC 12334. Growth for 48 h in the presence of ammonium sulfate (0.2 g/liter) resulted in 95% labelling of azoverdin with 15N. A growth-related synthesis of azoverdin, under both nitrogen-fixing and ammonium-assimilating conditions, was observed.
机译:在大单胞菌属ATCC 12334分批培养中研究了各种氮源和培养时间对15N标记的天青素生物合成的影响。在硫酸铵(0.2克/升)存在下生长48小时可产生95 用15N标记azoverdin的百分比。在固氮和氨同化条件下,都观察到了天青素的生长相关合成。

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