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DNA typing of epidemiologically-related isolates of Aspergillus fumigatus*

Published online by Cambridge University Press:  15 May 2009

M. Birch
Affiliation:
University of ManchesterDepartment of Medicine, Hope Hospital, Salford M6 8HD
N. Nolard
Affiliation:
Institute of Hygiene and Epidemiology, Section of Mycology, Rue Juliette Wytsman 14, B 1050 Brussels, Belgium
G. S. Shankland
Affiliation:
Regional Mycology Reference Laboratory, Department of Dermatology, Robertson Building, 54 Dumbarton Road, Glasgow G11 6AQ
D. W. Denning*
Affiliation:
University of ManchesterDepartment of Medicine, Hope Hospital, Salford M6 8HD Department of Infectious Diseases & Tropical Medicine (Monsall Unit), North Manchester General Hospital, Delaunays Road, Crumpsall, University of Manchester, Manchester M8 6RB, UK
*
Author for correspondence and reprint requests.
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Summary

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Invasive aspergillosis is often nosocomially acquired and carries a high mortality. Molecular typing methods to discriminate isolates have now been developed. Using simple restriction endonuclease (Sal1 and Xho1) digestion of total genomic DNA, we have typed 25 epidemiologically-related isolates of A. fumigatus from six hospital episodes of invasive aspergillosis. Eight DNA types were found and in each case the DNA type matched precisely the epidemiological data. Thus DNA typing of A. fumigatus can provide the means to match isolates from linked sources and distinguish isolates from diverse origins.

Type
Special Article
Copyright
Copyright © Cambridge University Press 1995

Footnotes

*

This work was presented, in part, as an abstract (No 1162) at the 6th European Congress of Infectious Diseases, 28–31 March 1993, Seville, Spain.

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