Abstract
Random amplified polymorphic DNA polymerase chain reaction (RAPD-PCR) analysis was used to detect the patulin-producing potential among seven different strains of Paecilomyces variotii isolated from air samples collected in Jeddah City, Saudi Arabia. Using five different primers, the strains showed some similarities and distinct RAPD patterns. A correlation between isolation source and clustering was noted in the constructed dendrogram. Patulin-producing strains showed identical RAPD patterns. Primer M13 produced a distinct fragment with toxin-producing strains.
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