Acidic Extracellular Proteases from Microrganisms of Fairly Acidic Niche

Alessandra      Bossi; Luca      Bonizzato; Giacomo      Zapparoli

doi:10.2174/092986606777790647

Abstract

The protein population secreted from three wine-contaminant microorganisms was studied by two-dimensional electrophoresis and screened for proteases. Proteolytic enzymes were electrophoretically purified and their activity, optimum pH and temperature determined. The protease of Acetobacter aceti maintained its activity over the range of pHs 3.0- 5.0, thus being of potential biotechnological interest.

Keywords: Lactobacillus hilgardii, Acetobacter aceti, Brettanomyces bruxellensis, extracellular protease, two-dimensional electrophoresis, zymogram

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Protein & Peptide Letters

Title: Acidic Extracellular Proteases from Microrganisms of Fairly Acidic Niche

Volume: 13 Issue: 7

Author(s): Alessandra Bossi, Luca Bonizzato and Giacomo Zapparoli

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Keywords: Lactobacillus hilgardii, Acetobacter aceti, Brettanomyces bruxellensis, extracellular protease, two-dimensional electrophoresis, zymogram

Abstract: The protein population secreted from three wine-contaminant microorganisms was studied by two-dimensional electrophoresis and screened for proteases. Proteolytic enzymes were electrophoretically purified and their activity, optimum pH and temperature determined. The protease of Acetobacter aceti maintained its activity over the range of pHs 3.0- 5.0, thus being of potential biotechnological interest.

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Bossi Alessandra, Bonizzato Luca and Zapparoli Giacomo, Acidic Extracellular Proteases from Microrganisms of Fairly Acidic Niche, Protein & Peptide Letters 2006; 13 (7) . https://dx.doi.org/10.2174/092986606777790647