Genetic diversity and clonal relationships of Acinetobacter baumannii strains isolated in a neonatal ward: epidemiological investigations by allozyme, whole-cell protein and antibiotic resistance analysis.
Sixty-five strains of Acinetobacter baumannii which had been isolated from patients and the indoor environment of a neonatal intensive care unit and, for comparative purposes, isolates from three other wards, were examined by means of electrotyping and analysis of whole-cell protein and antibiotic resistance patterns. Fourteen different electrotypes were determined. The predominant type, a multiply resistant acinetobacter clone, persisted in the neonatal ward over several months. The results underline the usefulness of electrophoretic subtyping, in particular by means of allozyme pattern and as a supplement to whole-cell protein pattern analysis, in epidemiological investigations into the routes of transmission of nosocomial A. baumannii infections.
Thurm
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Bundesgesundheitsamt, Robert von Ostertag-Institut, Bereich Wernigerode, Germany.
Ritter
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D000150:Acinetobacter / Q000145:classification / Q000187:drug effects / Q000201:enzymology / Q000235:genetics*; D000151:Acinetobacter Infections / Q000453:epidemiology / Q000382:microbiology*; D003428:Cross Infection / Q000453:epidemiology / Q000382:microbiology*; D004352:Drug Resistance, Microbial; D014644:Genetic Variation; D006801:Humans; D007231:Infant, Newborn; D007527:Isoenzymes / Q000032:analysis
D007527:Isoenzymes