Presence of X-Prolyl-Dipeptidyl-Peptidase in Lactic Acid Bacteria

Prolyl-dipeptidyl-peptidase activity was detected in cell extracts of 21 lactic acid bacteria tested. Using disc electrophoresis and various substrates it was possible to distinguish it from proline iminopeptidase and proline endopeptidase. Generally the activity was high and was greater than that o...

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Veröffentlicht in:	Journal of dairy science 1985-12, Vol.68 (12), p.3212-3215
Hauptverfasser:	Casey, Michael G., Meyer, Jacques
Format:	Artikel
Sprache:	eng
Schlagworte:	Aminopeptidases - metabolism bacterias acidolacticas bacterie lactique Bacteriology Biological and medical sciences Dipeptidases - metabolism Electrophoresis, Polyacrylamide Gel Endopeptidases - metabolism Food industries Fundamental and applied biological sciences. Psychology lactic acid bacteria lactobacillus Lactobacillus - enzymology Metabolism. Enzymes Microbiology Milk and cheese industries. Ice creams peptidasas peptidase peptidases prolina proline Serine Endopeptidases streptococcus Streptococcus - enzymology
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Zusammenfassung:	Prolyl-dipeptidyl-peptidase activity was detected in cell extracts of 21 lactic acid bacteria tested. Using disc electrophoresis and various substrates it was possible to distinguish it from proline iminopeptidase and proline endopeptidase. Generally the activity was high and was greater than that of proline iminopeptidase or proline endopeptidase at neutral pH and at 25°C.
ISSN:	0022-0302 1525-3198
DOI:	10.3168/jds.S0022-0302(85)81229-7