Effects of Oleic Acid Addition Methods on the Metabolic Flux Distribution of Ganoderic Acids R, S and T's Biosynthesis
文献类型： 外文期刊
作者： Yan, Meng-Qiu 1 ; Su, Xiao-Wei 1 ; Liu, Yan-Fang 1 ; Tang, Chuan-Hong 1 ; Tang, Qing-Jiu 1 ; Zhou, Shuai 1 ; Tan, Yi 1 ; Liu, Li-Ping 1 ; Zhang, Jing-Song 1 ; Feng, Jie 1 ;
作者机构： 1.Minist Agr, Inst Edible Fungi, Shanghai Acad Agr Sci, Natl Engn Res Ctr Edible Fungi,Key Lab Edible Fu, Shanghai 201403, Peoples R China
关键词： Ganoderma lucidum; submerged fermentation-static culture; oleic acid; metabolic flux analysis; ganoderic acid
期刊名称：JOURNAL OF FUNGI （ 影响因子：5.724； 五年影响因子：6.413 ）
ISSN：
年卷期： 2022 年 8 卷 6 期
页码：
收录情况： SCI
摘要： The effects of oleic acid addition methods on the metabolic flux distribution of ganoderic acids R, S and T's biosynthesis from Ganoderma lucidum were investigated. The results showed that adding filter-sterilized oleic acid in the process of submerged fermentation and static culture is of benefit to the synthesis of ganoderic acids R, S and T. The metabolic fluxes were increased by 97.48%, 78.42% and 43.39%, respectively. The content of ganoderic acids R, S and T were 3.11 times, 5.19 times and 1.44 times higher, respectively, than they were in the control group, which was without additional oleic acid. Ganoderic acids R, S and T's synthesis pathways (GAP), tricarboxylic acid cycles (TCA), pentose phosphate pathways (PP) and glycolysis pathways (EMP) were all enhanced in the process. Therefore, additional oleic acid can strengthen the overall metabolic flux distribution of G. lucidum in a submerged fermentation-static culture and it can reduce the accumulation of the by-product mycosterol. This study has laid an important foundation for improving the production of triterpenes in the submerged fermentation of G. lucidum.
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