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Updated: Mar 16, 2026

A 1.5 Hour Procedure for Identification of Enterococcus Species Directly from Blood Cultures
Published on: February 10, 2011
A novel Direct MIC-gradient Strip Method to screen for antibiotic-resistant faecal Enterobacteriaceae
Karianne Wiger Gammelsrud1, Per Kristian Knudsen2, E Arne Høiby3
1Department of Microbiology, Division of Laboratory Medicine, Oslo University Hospital, PB 4956 Nydalen, NO-0424 Oslo, Norway; Faculty of Medicine, University of Oslo, PB 1171 Blindern, NO-0318 Oslo, Norway.
Abstract:
A novel method to detect resistant faecal Enterobacteriaceae was developed by applying MIC-gradient strips directly onto agar plates inoculated with faeces. The method provided the susceptibility pattern (MICs) of the dominant bacterial population directly on the plates and also detected smaller resistant subpopulations with a sensitivity of 1/10(5).

