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  • Title: Restriction fragment length polymorphisms in isolates of Aspergillus fumigatus probed with part of the intergenic spacer region from the ribosomal RNA gene complex of Aspergillus nidulans.
    Author: Spreadbury CL, Bainbridge BW, Cohen J.
    Journal: J Gen Microbiol; 1990 Oct; 136(10):1991-4. PubMed ID: 1980128.
    Abstract:
    Differences in restriction fragment length polymorphisms (RFLPs) have been detected in isolates of Aspergillus fumigatus. Genomic DNA from 11 isolates was digested with EcoRI, separated by electrophoresis, Southern blotted and probed with DNA from the intergenic spacer or non-transcribed spacer region of the rRNA gene complex of Aspergillus nidulans. Three distinct RFLP patterns were detected which differed from the control patterns observed with A. nidulans, Aspergillus flavus and Aspergillus niger hybridized with the same probe. Furthermore, the differences in RFLP patterns in the A. fumigatus isolates were not detected when probed with DNA coding for the rRNA complex in Saccharomyces cerevisiae. These findings may be of use in the study of the epidemiology and pathogenesis of infections caused by A. fumigatus.
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