Evaluation of Accuracy of Multitest Micromethod System for Identification of Enterobacteriaceae
Open Access
- 1 January 1971
- journal article
- research article
- Published by American Society for Microbiology in Applied Microbiology
- Vol. 22 (3) , 267-269
- https://doi.org/10.1128/aem.22.3.267-269.1971
Abstract
The Analytab system of 20 biochemical tests for identification of Enterobacteriaceae was evaluated in parallel with conventional tests on 128 Enterobacteriaceae, 5 Aeromonas, and 1 Yersinia enterocolitica. The results of tests for H2S and indole production, citrate utilization, lysine and ornithine decarboxylase, arginine dihydrolase, nitrate reduction, β-galactosidase, and fermentation of arabinose, rhamnose, mannitol, and glucose showed almost complete agreement between the two systems. Eighty-eight per cent of Enterobacteriaceae were correctly speciated with the Analytab system; on repeat testing with heavier inocula of organisms failing to ferment glucose initially, the proportion of Enterobacteriaceae correctly speciated became 93%.Keywords
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