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Final Exam
Mycology: Dematiaceous Molds with distinctive morphology
19
Microbiology
Graduate
04/16/2013

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Cards

Term
Pseudoallescheria boydii Growth rate
Definition
moderate, 7 days
Term
Pseudoallescheria boydii Surface morphology
Definition
spread and cotton white, then gray to brown, reverse is white then gray then black
Term
Pseudoallescheria boydii Microscopic morphology
Definition
Cleistothecium which is large, round and closed
Term
Pseudoallescheria boydii is the sexual state of
Definition
Scedosporium apiospermum
Term
Cleistothecium
Definition
many celled structure in which asci & ascospores are formed
Term
Phoma spp Growth rate
Definition
rapid, 5 days
Term
Phoma spp Surface morphology
Definition
powdery, velvety, spread, gray/brown, reverse is black with diffusible pigment
Term
Phoma spp Microscopic morphology
Definition
pycnidia is dark, round and flask shaped with ostiole, unicellular hyaline conidia
Term
Chaetomium spp Growth rate
Definition
rapid, 5 days
Term
Chaetomium spp Surface morphology
Definition
white, cottony, and spready then tan-gray/olive-gray reverse is orange-tan
Term
Chaetomium spp Microscopic morphology
Definition
perithecia is olive to brown with waxy or straight filaments, asci is stalked and clubbed shaped
Term
What does Chaetomium spp look like?
Definition
a burr
Term
List the Dematiaceous molds that have distinctive morphologies
Definition
Pseudoallescheria boydii, Phoma species and Chaetomium species
Term
[image]
Definition
Chaetomium spp.
Term
[image]
Definition
Chaetomium spp.
Term
[image]
Definition
Phoma spp.
Term
[image]
Definition
Phoma spp.
Term
[image]
Definition
Pseduoallescheria boydii
Term
[image]
Definition
Pseduoallescheria boydii
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