Monday, March 25, 2013

Aspergillus clavatus

This unassuming Aspergillus spp. colony produces a very recognizable club shaped vesicle.  The spores are unremarkable and would be categorized as Asp/Pen like for an Air-O-Cell cassette samples.  The conidia are produced on a uniseriate head.  The vesicles become more club shaped as the colony grows older.



Aspergills clavatus on DG-18 agar


Aspergillus clavatus at 100x Acid Fuchsin stain N. Carlson



Aspergillus clavatus 400x (scale: 25 microns between 1 and 2) Acid Fuchsin stain N. Carlson


Aspergillus clavatus - 85% lactic acid stain 400x - N. Carlson


Aspergillus clavatus - lactophenol cotton blue stain 400x - N. Carlson

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