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Nutritional regulation of keratinolytic activity in Bacillus pumilis

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An Erratum to this article was published on 02 February 2008

An Erratum to this article was published on 02 February 2008

Abstract

Bacillus pumilis F3-4 utilized feather as a sole source of carbon, nitrogen and sulfur. Supplementation of the feather medium with glucose or MgSO4 · 7H2O increased keratinolytic protease production (14.6–16.7 U/mg). The synthesis of keratinolytic protease was repressed by an exogenous nitrogen source. Keratinolytic protease was produced in the absence of feather (9.4 U/mg). Feather degradation resulted in sulfhydryl group formation (0.8–2.6 μM). B. pumilis F3-4 effectively degraded chicken feather (75%), duck feather (81%) and feather meal (97%), whereas human nails, human hair and sheep wool under went less degradation (9–15%).

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Authors and Affiliations

  1. School of Applied Life Science, Pusan National University, Miryang, 627-706, Korea

    Hong-Joo Son, Hyean-Cheal Park & Hong-Sung Kim

  2. School of Bioresource Science, Pusan National University, Miryang, 627-706, Korea

    Chung-Yeol Lee

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  1. Hong-Joo Son
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  2. Hyean-Cheal Park
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  3. Hong-Sung Kim
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  4. Chung-Yeol Lee
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Correspondence to Hong-Joo Son.

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An erratum to this article can be found at http://dx.doi.org/10.1007/s10529-008-9646-0

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Son, HJ., Park, HC., Kim, HS. et al. Nutritional regulation of keratinolytic activity in Bacillus pumilis . Biotechnol Lett 30, 461–465 (2008). https://doi.org/10.1007/s10529-007-9567-3

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  • DOI: https://doi.org/10.1007/s10529-007-9567-3

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