Welcome to Journal of University of Chinese Academy of Sciences,Today is

›› 2017, Vol. 34 ›› Issue (5): 558-566.DOI: 10.7523/j.issn.2095-6134.2017.05.005

Previous Articles     Next Articles

Mutagenesis, screening, and medium optimization of high[(4'-OH)MeLeu]4-CsA producing strain-Nonomuraea dietziae

JIN Lina, WEN Jianping   

  1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
  • Received:2016-09-29 Revised:2016-11-28 Online:2017-09-15

Abstract: An ultraviolet-lithium chloride mutagenesis strategy was carried out on the[(4'-OH)MeLeu]4-CsA producing strain, Nonomuraea dietziae.The production of mutant strain reached 208mg/L and increased by 26.8%. Then the fermentation medium was optimized by single-factor and response surface methods. The optimal medium was determined as follows (materials/concentrations in g/L):glycerol/26.5, dextrin/11.6, peptone/9.7, yeast extract powder/3.5, soybean meal/15.0, soybean oil/2.0, MgSO4·7H2O/0.40, MnSO4·H2O/0.010, and (NH4)2MoO4/0.010. The final production reached 324mg/L and increased by 97.6% compared with the initial value.

Key words: Nonomuraea dietziae, [(4'-OH)MeLeu]4-CsA, ultraviolet lithium chloride mutagenesis, response surface optimization

CLC Number: