1887

Abstract

Surmmary

A possible relationship between the ability of strains to invade tissues and genetic polymorphism was studied by random amplified polymorphic DNA (RAPD) analysis. One hundred randomly designed oligonucleotide decamers were examined with DNA of three reference strains, eight environmental isolates and 21 isolates from two distinct clinical situations: Non-invasive aspergillosis (predominantly aspergilloma) and invasive aspergillosis. One primer (OPQ 6) was found to generate a reproducible amplification product that enabled distinction between the two groups according to the presence or absence of a 0.95-kb fragment that correlated with the nature of the infection (non-invasive or invasive) and immune status of the patient. The results indicated that the pathogenicity of was related not only to the host’s immune status but also to the virulence of the strain of .

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1995-04-01
2022-10-04
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