TABLE 1

Ploidy analysis of Aspergillus fumigatus isolates with a conidial size of ≥2.90 µm

Isolate numberGroupConidial size µmPloidy
V132-02CF3.49Diploid
V124-78CF3.17Diploid
V104-11CF3.15Diploid
V208-76CF3.14Diploid
V108-12CF3.14Diploid
V130-40CPA3.10Diploid
V194-19CF3.09Diploid
V109-60CF3.09Diploid
V209-70CF3.08Diploid
V133-16CF3.07Diploid
V138-11CF3.03Haploid
V183-71CF3.02Diploid
V113-61CF3.02Inconclusive ploidy
V214-14CPA3.00Inconclusive ploidy
V158-23CF2.98Inconclusive ploidy
V214-17CPA2.95Haploid
V172-54CF2.93Haploid
V224-65CPA2.91Haploid
V211-47CPA2.91Haploid
V130-14CPA2.90Haploid

After conidial size measurements, ploidy level was confirmed by benomyl susceptibility and fluorescence-activated cell sorting (FACS) analysis. Ploidy levels were based on benomyl susceptibility and FACS ratio results. If the two markers were not in agreement, inconclusive ploidy was concluded. Diploid isolates were only detected in the cystic fibrosis (CF) and chronic pulmonary aspergillosis (CPA) groups. No isolates with a conidial size ≥2.90 µm were detected in the acute invasive aspergillosis or environmental group.