Influence of the Growth Medium on the Proteinase System of Streptococcus lactis No. 3

The influence of the nitrogen source on the activity of the membrane and intracelluar proteinase of Streptococcus lactis No. 3 was examined. Data support the hypothesis that the membrane proteinase degrades proteins only to peptides, while the intracellular enzyme hydrolyzes peptides to amino acids.

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Bibliographic Details
Published in:Journal of dairy science 1970-09, Vol.53 (9), p.1286-1287
Main Authors: Westhoff, D.C., Cowman, R.A.
Format: Article
Language:English
Subjects:
Bacteriological Techniques
Cell Membrane - enzymology
Culture Media
Nitrogen - metabolism
Peptide Hydrolases - analysis
Peptide Hydrolases - metabolism
Streptococcus - enzymology
Streptococcus - growth & development
Streptococcus - metabolism
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Description
Summary:The influence of the nitrogen source on the activity of the membrane and intracelluar proteinase of Streptococcus lactis No. 3 was examined. Data support the hypothesis that the membrane proteinase degrades proteins only to peptides, while the intracellular enzyme hydrolyzes peptides to amino acids.
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.S0022-0302(70)86382-2