结论实验确定了冬凌草愈伤组织培养的最佳碳源种类、浓度及氮源比例，表明不同碳源、氮源对冬凌草愈伤组织生长和次生代谢物合成有显著影响。

The best carbon source and its concentration, nitrogen sources for the growth of Rabdosia rubescens (Henmsl. ) Hara callus and the synthesis of secondary metabolite were confirmed.

youdao

真菌聚酮合酶在代谢中可催化合成多种具有重要生物学活性的次级代谢物，所以真菌聚酮合酶正逐渐成为药学、食品科学和农学等领域的研究热点。

Fungal polyketide synthases are responsible for the biosynthesis of secondary metabolites such as pigments, mycotoxins, and they are very important in pharmacology, food science and agriculture.

youdao

增多的氨作为毒性代谢物抑制了氨甲酰磷酸合成酶，并阻止氨进入尿素循环。

Elevation NH3 occurs as the toxic metabolite inhibits the carbomyl phosphate synthase I, preventing the incorporation of NH3 into the urea cycle.

youdao