Proteolytic activity from an alkali-thermotolerant Streptomyces gulbargensis sp. nov.

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Title
Proteolytic activity from an alkali-thermotolerant Streptomyces gulbargensis sp. nov.
Author(s)
S G Dastager; A Dayanand; W J Li; Chang-Jin Kim; Jae Chan Lee; Dong Jin Park; X P Tian; Q S Raziuddin
Bibliographic Citation
Current Microbiology, vol. 57, no. 6, pp. 638-642
Publication Year
2008
Abstract
Multiple proteases were produced and partially purified from an alkali-thermotolerant novel species of Streptomyces (i.e., Streptomyces gulbargensis DAS 131) after 48 h of growth at 45°C. The enzyme preparation exhibited activity over a broad range of pH (4-12) and temperature (27-55°C). Optimum activity was observed at a pH of 9.0 and a temperature of 45°C. Starch and protease peptone was found to be a good source of carbon and nitrogen to enhance the enzyme activity. Two active zones in the range of 19 to 35 kDa were detected on sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE).
ISSN
0343-8651
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s00284-008-9257-y
Type
Article
Appears in Collections:
Division of Biomedical Research > Microbiome Convergence Research Center > 1. Journal Articles
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