Effects of Different Carbon Sources on the Growth Development and Butenylspinosyn Biosynthesis of Saccharopolyspora pogona

Acta Laser Biology Sinica ›› 2019, Vol. 28 ›› Issue (2) : 136-143.

PDF(2463 KB)
PDF(2463 KB)
Acta Laser Biology Sinica ›› 2019, Vol. 28 ›› Issue (2) : 136-143.

Effects of Different Carbon Sources on the Growth Development and Butenylspinosyn Biosynthesis of Saccharopolyspora pogona

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Abstract

In this research, the effects of different carbon sources on the strain growth and butenylspinosyn biosynthesis of Saccharopolyspora pogona were studied. The study was aimed to improve the butenylspinosyn biosynthesis by looking for dominant carbon sources and optimizing the fermentation medium formula. A total of eleven processing groups and one control group were set up in this experiment. The strain OD600 value and butenylspinosyn production in different processing groups were compared by single factor experiment for screening the optimal carbon source and fermentation medium formulation. The results showed that Saccharopolyspora pogona could grow in 9 kinds of carbon sources except for xylose and soluble starch, and exhibited good utilization rate for different types of carbon sources. Saccharopolyspora pogona has a good growth rate when using galactose, glucose, fructose and mannose as carbon sources, but just mannose can promote butenylspinosyn biosynthesis. The 5 g/L mannose was selected as the optimal concentration and it was found that Saccharopolyspora pogona strain concentration and butenylspinosyn production were 1.32 times and 1.78 times of the initial conditions, respectively. Its production significantly increased. The study provides a scientific bases and a new technical approach for the influencing mechanism study of medium carbon sources on the butenylspinosyn biosynthesis and the largescale industrial production of butenylspinosyn.

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Effects of Different Carbon Sources on the Growth Development and Butenylspinosyn Biosynthesis of Saccharopolyspora pogona[J]. Acta Laser Biology Sinica. 2019, 28(2): 136-143
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