1887

Abstract

SUMMARY. Twenty eight strains of , isolated from an outbreak of antibiotic-associated colitis and diarrhoea in an orthopaedic ward and from sporadic cases throughout Sweden, were sent to Edinburgh for immunochemical fingerprinting without information about their origin. EDTA extracts of the organisms were examined by crossed immunoelectrophoresis (CIE), polyacrylamide gel electrophoresis (PAGE) and electroblot transfer. Two patterns were revealed by CIE: group A (18 strains) and group B (10 strains). PAGE and electroblot transfer revealed one major group of 10 strains (group 1), six small groups of two or three strains and six strains which were unlike any other strain. The CIE group B and PAGE-electroblot group 1 were identical. Nine of the 10 strains in this gioup were from patients in the outbreak. These findings indicate that a single strain spread in the orthopaedic ward as a nosocomial infection and that this strain differed from most other strains investigated. The PAGE-electroblot technique should, therefore, greatly aid investigations into the epidemiology of

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/content/journal/jmm/10.1099/00222615-17-3-317
1984-06-01
2020-01-28
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http://instance.metastore.ingenta.com/content/journal/jmm/10.1099/00222615-17-3-317
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