pristinamycin Ic普那霉素Ic
Pristinamycin resistant mutant普那霉素抗性突变株
In the LC-MS method, two main components, pristinamycinⅡA(Rt 17.60min) and pristinamycinⅠA(Rt 25.79min) were identified.
确定第一个主峰(Rt 17.60min)为普那霉素ⅡA,第二个主峰为普那霉素ⅠA(Rt 25.79min)。
参考来源 - 普那霉素定性定量分析方法的研究Carbon catabolite repression and nitrogen catobolite repression was observed in pristinamycin fermentation.
原始霉素的发酵存在碳源分解物代谢阻遏现象和氮源分解代谢物阻遏现象。
参考来源 - 抗生素发酵的若干微生物及工程问题研究