Two new fluorogenic substrates for the detection of Penicillin-G-acylase activity

authored by
Th Scheper, M. Weiss, K. Schügerl
Abstract

Two fluorogenic substrates are described for the detection of Penicillin-G-acylase (EC 3.5.1.11) activity in coloured cell-containing media and inside single cells. A sensitive enzyme assay is based on the use of 7-phenylacetyl-4-alkylcoumarinylamides. Linear response is obtained in the range 20-300 μU m-1. After the cells have been made permeable, intracellular enzyme activity can be monitored. It is thus possible to label enzyme-containing cells and to distinguish them from enzyme-free cells by fluorescence microscopy or laser-flow cytometry.

Organisation(s)
Institute of Technical Chemistry
Type
Article
Journal
Analytica chimica acta
Volume
182
Pages
203-206
No. of pages
4
ISSN
0003-2670
Publication date
1986
Publication status
Published
Peer reviewed
Yes
ASJC Scopus subject areas
Analytical Chemistry, Biochemistry, Environmental Chemistry, Spectroscopy
Electronic version(s)
https://doi.org/10.1016/S0003-2670(00)82451-4 (Access: Unknown)