Abstract
In a search for microorganisms producing extracellular protease with unhairing activity, Bacillus subtilis IIQDB32 was isolated. Protease formation was significantly stimulated by glucose, tryptone, yeast extract, Ca2+ and Mn2+, but was repressed by ammonia and Fe2+.
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References
Alexander, K.T.W. 1988 Enzymes in the tannery — catalyst for progress? Journal of the American Leather Chemists Association 83, 287–316.
Box, G.E.P., Hunter, W.G. & Hunter, J.S. 1978 Statistics for Experimenters, p. 398, New York: J. Wiley & Sons, Inc.
Kunitz, M. 1946. Crystalline soybean trypsin inhibitor. Journal of General Physiology 30, 291–310.
George, S., Raju, V., Krishnan, M.R.V., Subramanian, T.V. & Jayaraman, K. 1995 Production of protease by Bacillus amyloliquefaciens in solid-state fermentation and its applications in the unhairing of hides and skins. Process Biochemistry 30, 457–462.
Loperena, L., Ferrari, M.D., Belobrajdic, L., Weyrauch, R. & Varela, H. 1994 Study of Bacillus sp. Culture conditions to promote production of unhairing proteases. Revista Argentina de Microbiología 26, 105–115.
Sneath, P.H.A. 1986 Endospore-forming Gram-positive rods and cocci. In Bergey's Manual of Systematic Bacteriology, ed Sneath, P.H.A., Mair, N.S., Sharpe, M.E. & Holt, J.G. pp. 1104–1137. Baltimore: Williams & Wilkins.
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Varela, H., Ferrari, M.D., Belobrajdic, L. et al. Short Communication: Effect of medium composition on the production by a new Bacillus subtilis isolate of protease with promising unhairing activity. World Journal of Microbiology & Biotechnology 12, 643–645 (1996). https://doi.org/10.1007/BF00327730
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DOI: https://doi.org/10.1007/BF00327730