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Molecules 2012, 17(4), 3761-3773; doi:10.3390/molecules17043761
Article

Enhancement of Palmarumycin C12 and C13 Production in Liquid Culture of the Endophytic Fungus Berkleasmium sp. Dzf12 by Oligosaccharides from Its Host Plant Dioscorea zingiberensis

1,2, 2, 2, 2, 2, 2, 2, 2,*  and 1,*
Received: 19 January 2012; in revised form: 21 March 2012 / Accepted: 22 March 2012 / Published: 26 March 2012
(This article belongs to the Special Issue Natural Polysaccharides: Chemistry, Bioactivity and Analysis)
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Abstract: Three crude oligosaccharides were respectively prepared by acid hydrolysis of three polysaccharides, which were water-extracted polysaccharide (WEP), sodium hydroxide-extracted polysaccharide (SEP) and acid-extracted polysaccharide (AEP) from the rhizomes of Dioscorea zingiberensis. Among the three oligosaccharides, the crude oligosaccharide prepared by acid hydrolysis of WEP was found to be the most efficient elicitor to enhance the production of palmarumycins C12 and C13 in liquid culture of endophytic fungus Berkleasmium sp. Dzf12. When OW was applied to the medium at 300 mg/L on day 3 of culture, the maximal yields of palmarumycin C12 (87.96 mg/L) and palmarumycin C13 (422.28 mg/L) were achieved on day 15 of culture, which were 9.83 and 3.24-fold in comparison with those (8.95 and 130.43 mg/L) of control, respectively. The results indicate that addition of the oligosaccharides from the host plant D. zingiberensis should be an effective strategy for enhancing production of palmarumycins C12 and C13 in liquid culture of endophytic fungus Berkleasmium sp. Dzf12.
Keywords: endophytic fungus; Berkleasmium sp. Dzf12; spirobisnaphthalene; palmarumycin C12; palmarumycin C13; crude oligosaccharide; polysaccharide; elicitation; Dioscorea zingiberensis endophytic fungus; Berkleasmium sp. Dzf12; spirobisnaphthalene; palmarumycin C12; palmarumycin C13; crude oligosaccharide; polysaccharide; elicitation; Dioscorea zingiberensis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Li, Y.; Shan, T.; Mou, Y.; Li, P.; Zhao, J.; Zhao, W.; Peng, Y.; Zhou, L.; Ding, C. Enhancement of Palmarumycin C12 and C13 Production in Liquid Culture of the Endophytic Fungus Berkleasmium sp. Dzf12 by Oligosaccharides from Its Host Plant Dioscorea zingiberensis. Molecules 2012, 17, 3761-3773.

AMA Style

Li Y, Shan T, Mou Y, Li P, Zhao J, Zhao W, Peng Y, Zhou L, Ding C. Enhancement of Palmarumycin C12 and C13 Production in Liquid Culture of the Endophytic Fungus Berkleasmium sp. Dzf12 by Oligosaccharides from Its Host Plant Dioscorea zingiberensis. Molecules. 2012; 17(4):3761-3773.

Chicago/Turabian Style

Li, Yan; Shan, Tijiang; Mou, Yan; Li, Peiqin; Zhao, Jianglin; Zhao, Wensheng; Peng, Youliang; Zhou, Ligang; Ding, Chunbang. 2012. "Enhancement of Palmarumycin C12 and C13 Production in Liquid Culture of the Endophytic Fungus Berkleasmium sp. Dzf12 by Oligosaccharides from Its Host Plant Dioscorea zingiberensis." Molecules 17, no. 4: 3761-3773.



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