Improvement of sordarin production through process optimization: combining traditional approaches with DOE
2007
Tully, Thomas P. | Bergum, James S. | Schwarz, Steven R. | Durand, Susan C. | Howell, Jeffrey M. | Patel, Ramesh N. | Cino, Paul M.
BMS-353645, also known as sordarin, was of interest based on its activity against pathogenic fungi. The objective of these studies was to provide high quality starting substrate for chemical modification aimed at further improving biological activity, with particular interest in the inhibition of Aspergillus. In the work presented here, Design of Experiments, or DOE, was successfully combined with traditional approaches to significantly improve sordarin yields in fermentation flasks. Overall, yields were increased 25-fold from <100 μg/g to as high as 2,609 μg/g in flasks through the use of various medium and conduction changes supplemented with DOE. The improved process was then successfully scaled to pilot plant tanks with the best batch producing 2,389 μg/g sordarin at the 250-l scale.
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