Friday, January 18, 2013

Wallemia spp.


The organism, Wallemia spp. prefers to grow in conditions with higher sugar content than most fungal organisms.  It grows well on straw and on carpet adjacent to pop machines where there may have been liquid spills.  It grows well on DG-18 media at 25 degrees Celsius and not very well on MEA or PDA. 

Wallemia spp. on an Air-O-Cell cassette sample  - N. Carlson
If there are several spores in a chain it can be identified with care on an Air-O-Cell cassette sample. 
Each individual spore is typically less than 3 microns in length.


Wallemia spp. 400x from culture - N. Carlson
Wallemia spp. single colony growing on DG-18 - Photo N. Carlson 


Wallemia spp. growing on DG-18 - N. Carlson



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