Multicentric epidemiological study of Aspergillus fumigatus isolates by multilocus enzyme electrophoresis.

Abstract:

:The genotypes of 63 isolates of Aspergillus fumigatus obtained from three hospitals in different geographical areas and of eight culture collection strains were determined by multilocus enzyme electrophoresis. Twelve of the 17 enzymatic loci studied were polymorphic, giving rise to 48 different electrophoretic types. The existence of fixed multilocus genotypes, significant heterozygote deficits and excesses at the different loci, and linkage disequilibria within subpopulations strongly suggests a clonal reproduction mode for A. fumigatus. Numerical analysis of the comparison and disposition of the different electrophoretic types demonstrates a significant genetic differentiation between the three sampling sites. However, no correlation could be found between geographical distances and genetic differentiation. On account of the multiple discriminatory markers, multilocus enzyme electrophoresis typing seems to be a very powerful tool for epidemiological and reproductive mode studies of A. fumigatus.

journal_name

J Clin Microbiol

authors

Rodriguez E,De Meeüs T,Mallie M,Renaud F,Symoens F,Mondon P,Piens MA,Lebeau B,Viviani MA,Grillot R,Nolard N,Chapuis F,Tortorano AM,Bastide JM

doi

10.1128/JCM.34.10.2559-2568.1996

subject

Has Abstract

pub_date

1996-10-01 00:00:00

pages

2559-68

issue

10

eissn

0095-1137

issn

1098-660X

journal_volume

34

pub_type

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