PMC8377798_01
Characteristic black sporing heads of Aspergillus niger covering white mycelium macroscopically, grown at 35  C on Sabouraud Dextrose media with amikacin.
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F0001
Macroscopic appearance was of a flat surface with radial folds and a granular texture with characteristic black sporing heads covering white mycelium (Figure 1).
Microscopic view of Aspergillus niger stained with lactophenol cotton blue (binocular, light microscope: 200X). The arrows indicate roughened conidia. The box area highlights the conidiophore with a large vesicle, as well as the phialides and metulae covering the entire surface.
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PMC8377798_01_SAJID-35-128-g002.jpg
F0002
The conidia itself were round to oval, 5 microm - 10 microm and roughened (Figure 2).