The synthesis of novel chromogenic enzyme substrates for detection of bacterial glycosidases and their applications in diagnostic microbiology

Michael Burton, John D. Perry, Stephen P. Stanforth, Hayley J. Turner

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
15 Downloads (Pure)

Abstract

The preparation and evaluation of chromogenic substrates for detecting bacterial glycosidase enzymes is reported. These substrates are monoglycoside derivatives of the metal chelators catechol, 2,3-dihydroxynaphthalene (DHN) and 6,7-dibromo-2,3-dihydroxynaphthalene (6,7-dibromo-DHN). When hydrolysed by appropriate bacterial enzymes these substrates produced coloured chelates in the presence of ammonium iron(III) citrate, thus enabling bacterial detection. A β-D-riboside of DHN and a β-D-glucuronide derivative of 6,7-dibromo-DHN were particularly effective for the detection of S. aureus and E. coli respectively.
Original languageEnglish
Pages (from-to)4841-4849
Number of pages9
JournalBioorganic & Medicinal Chemistry
Volume26
Issue number17
Early online date17 Aug 2018
DOIs
Publication statusPublished - 15 Sep 2018

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