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Teethaisong, Y, Evans, K, Nakouti, I, Tiamyom, K, Ketudat-Cairns, JR, Hobbs, G and Eumkeb, G (2017) The performance of a resazurin chromogenic agar plate with a combined disc method for rapid screening of extended-spectrum-beta-lactamases, AmpC beta-lactamases and co-beta-lactamases in Enterobacteriaceae. Microbiology and Immunology, 61 (8). pp. 297-304. ISSN 0385-5600
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The performance of a resazurin chromogenic agar plate with a combined disc method for rapid screening of extended-spectrum-beta-lactamases, AmpC beta-lactamases and co-beta-lactamases in Enterobacteriaceae.pdf - Accepted Version Download (538kB) | Preview |
Abstract
A promising means of rapid screening of extended-spectrum-β-lactamase (ESBL), AmpC β-lactamase, and co-production of ESBL and AmpC that combines resazurin chromogenic agar (RCA) with a combined disc method is here reported. Cefpodoxime (CPD) discs with and without clavulanic acid (CA), cloxacillin (CX) and CA+CX were evaluated against 86 molecularly confirmed β-lactamase-producing Enterobacteriaceae, including 15 ESBLs, 32 AmpCs, nine co-producers of ESBL and AmpC and 30 carbapenemase producers. The CA and CX synergy test successfully detected all ESBL producers (100% sensitivity and 98.6% specificity) and all AmpC producers (100% sensitivity and 96.36% specificity). This assay also performed well in screening for co-existence of ESBL and AmpC (88.89% sensitivity and 100% specificity). The RCA assay is simple and inexpensive and provides results within 7 hr. It can be performed in any microbiological laboratory, in particular, in geographic regions in which ESBL, AmpC or co-β-lactamase-producing Enterobacteriaceae are endemic.
| Item Type: | Article |
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| Additional Information: | This is the accepted version of the following article: Teethaisong, Y., Evans, K., Nakouti, I., Tiamyom, K., Ketudat-Cairns, J. R., Hobbs, G. and Eumkeb, G. (2017), The performance of a resazurin chromogenic agar plate with a combined disc method for rapid screening of extended-spectrum-β-lactamases, AmpC β-lactamases and co-β-lactamases in Enterobacteriaceae. Microbiol Immunol, 61: 297–304. doi:10.1111/1348-0421.12499, which has been published in final form at http://dx.doi.org/10.1111/1348-0421.12499 |
| Uncontrolled Keywords: | 0605 Microbiology, 1107 Immunology, 1108 Medical Microbiology |
| Subjects: | Q Science > QR Microbiology |
| Divisions: | Pharmacy & Biomolecular Sciences |
| Publisher: | Wiley |
| Related URLs: | |
| Date Deposited: | 10 Nov 2017 11:35 |
| Last Modified: | 15 Sep 2018 05:14 |
| DOI or Identification number: | 10.1111/1348-0421.12499 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/7516 |
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