Enhancement of botrallin and TMC-264 production in liquid culture of endophytic fungus Hyalodendriella sp Ponipodef12 after treatments with metal ions
文献类型: 外文期刊
第一作者: Luo, Haiyu
作者: Luo, Haiyu;Xu, Dan;Xie, Rushan;Zhang, Xuping;Wang, Jian;Dong, Xuejiao;Lai, Daowan;Zhou, Ligang;Liu, Yang
作者机构:
关键词: Combination effects;Production;Microbial biotechnology;Process biotechnology;Bioactivities;Central composite design;Response surface methodology
期刊名称:ELECTRONIC JOURNAL OF BIOTECHNOLOGY ( 影响因子:2.8; 五年影响因子:3.379 )
ISSN: 0717-3458
年卷期: 2016 年 24 卷
页码:
收录情况: SCI
摘要: Background: Hyalodendriella sp. Ponipodef12, an endophytic fungus from a poplar hybrid, was a high producer of botrallin and TMC-264with various bioactivities. In this study, the influences of eight metal ions (i.e., Mn2+, Na+, Mg2+, Zn2+, Cu2+, Fe2+, Fe3+ and Al3+) on botrallin andTMC-264 production in liquid culture of the endophytic fungus Hyalodendriella sp. Ponipodef12 were investigated. Results: Three most effective metal ions (Zn2+, Cu2+ and Mg2+) along with their optimum concentrations were screened. The optimum addition time and concentrations of Zn2+, Cu2+ and Mg2+ were further obtained respectively for improving botrallin and TMC-264 production. The combination effects of Zn2+, Cu2+ and Mg2+ on the production of botrallin and TMC-264 by employing statistical method based on the central composite design (CCD) and response surface methodology (RSM) were evaluated, and two quadratic predictive models were developed for botrallin and TMC-264 production. The yields of botrallin and TMC-264, which were predicted as 144.12 mg/L and 36.04 mg/L respectively, were validated to be 146.51 mg/L and 36.63 mg/L accordingly with the optimum concentrations of Zn2+ at 0.81 mmol/L, Cu2+ at 0.20 mmol/L, and Mg2+ at 0.13 mmol/L in medium. Conclusion: The results indicated that the enhancement of botrallin and TMC-264 accumulation in liquid culture of the endophytic fungus Hyalodendriella sp. Ponipodef12 by the metal ions and their combination should be an effective strategy. (C) 2016 Pontificia Universidad Catolica de Valparaiso. Production and hosting by Elsevier B.V. All rights reserved.
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