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Extracellular protease activities in relation to xylanase secretion in an alkalophilic Bacillus sp.

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Abstract

The proteolytic activity of an alkalophilic Bacillus sp. (NCL 87-6-10) correlates with xylanase secretion. Addition of DL-norvaline, glycine or Casamino acids to a medium formulated for xylanase production resulted in 2-5-fold enhancement of xylanase secretion (8 to 45 IU/ml). Inhibition of proteolytic activity is a possible mechanism for enhanced xylanase activity.

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Authors and Affiliations

  1. Division of Biochemical Sciences, National Chemical Laboratory, Pune, 411008, India

    H. Balakrishnan, M.C. Srinivasan & M.V. Rele

Authors
  1. H. Balakrishnan
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  2. M.C. Srinivasan
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  3. M.V. Rele
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Balakrishnan, H., Srinivasan, M. & Rele, M. Extracellular protease activities in relation to xylanase secretion in an alkalophilic Bacillus sp.. Biotechnology Letters 19, 599–601 (1997). https://doi.org/10.1023/A:1018314109735

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  • DOI: https://doi.org/10.1023/A:1018314109735

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