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Induction of pullulanase production in Bacillus cereus FDTA-13 [An article from: Bioresource Technology] | ![Induction of pullulanase production in Bacillus cereus FDTA-13 [An article from: Bioresource Technology]](http://ecx.images-amazon.com/images/I/512SA5QAAFL._SL160_.jpg)
 enlarge | Authors: S.u. Nair, R.s. Singhal, M.y. Kamat
Publisher: Elsevier
Buy New: $10.95
Format: Html
Media: Digital
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Product Description
This digital document is a journal article from Bioresource Technology, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Studies were carried out on the production of pullulanase by a newly isolated strain Bacillus cereus FDTA-13. High titres of the enzyme were obtained in a medium containing branched polysaccharides. To further enhance the yield, induction of pullulanase using conventional inducers were studied. Maltooligosaccharides (maltose to maltotetraose) when added in the medium individually, or in a 1:1 combination of maltotriose and maltotetraose resulted different levels of pullulanase compared to control. Growth under carbon limited conditions (5gl^-^1) with inducers resulted remarkably enhanced pullulanase activity. Pullulanase activity was severely repressed in presence of glucose. Low levels of pullulanase was observed in nitrogen limited medium, even with combinations of several maltosaccharides.
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