A new selective differential medium for isolation ofStenotrophomonas maltophilia |
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| Authors: | K. G. Kerr M. Denton N. Todd C. M. Corps P. Kumari P. M. Hawkey |
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| Affiliation: | (1) Department of Microbiology, University of Leeds, LS2 9JT Leeds, UK;(2) Department of Microbiology, St. James's University Hospital, LS9 7TE Leeds, UK |
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| Abstract: | A new selective differential medium for the isolation ofStenotrophomonas (formerlyXanthomonas) maltophilia was developed. The medium, VIA agar, contained vancomycin, imipenem, and amphotericin B as selective agents and incorporated a mannitol/bromothymol blue indicator system. Compared withXanthomonas maltophilia Selective Medium (XMSM), VIA agar was less inhibitory toStenotrophomonas maltophilia and was more selective than XMSM in preventing the growth of unwanted bacteria from contaminated specimens. Although vancomycin-resistant strains ofEnterococcus faecium may grow on VIA agar, these can be easily distinguished fromStenotrophomonas maltophilia because of mannitol fermentation. |
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