Journal
PROCESS BIOCHEMISTRY
Volume 47, Issue 3, Pages 422-427Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.procbio.2011.11.019
Keywords
Halorosellinia sp (No. 1403); Anthraquinone; 1403C; Seed culture; Morphology
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Funding
- Chinese National High Technology Research and Development Program [2010AA09Z402, 2011AA090702, 2007AA09Z448]
- Shanghai Rising-Star Program [09QA1401600]
- Shanghai Leading Academic Discipline Project [B505]
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The effects of seed culture methods on the mycelial morphology and production of a novel promising anticancer anthraquinone 1403C by marine mangrove saprophytic fungus Halorosellinia sp. (No. 1403) was investigated. Inoculums were prepared using different seed culture methods, i.e., mycelia obtained by grinding biomass that was harvested from baffled flask culture (M1); biomass harvested from baffled flask culture (M2); biomass obtained from unbaffled flask culture with glass beads (M3); biomass attained from unbaffled flask culture (Control). The corresponding fermentations using M1, M2 and M3 enhanced 1403C production by 243.5%, 194.8% and 70.2%, respectively, as compared to that using Control (0.33 +/- 0.03 g/l Interestingly, 1403C production increased with the increase of ratio of number of clumps to pellets. Maximum 1403C production from baffled flask cultures was 4.8-fold of that from unbaffled flask culture. Increasing shaking speed from 170 rpm to 260 rpm could highly improve 1403C production by 151.8%. (C) 2011 Elsevier Ltd. All rights reserved.
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