8/18/2019 Notes Micro 2

1/4

8/18/2019 Notes Micro 2

2/4

8/18/2019 Notes Micro 2

3/4

' General "haracteristics - Fnicellular, &udding E round to o%al organismsSpecies"andida al&icans"ryptococcus neoformansGeotrichum candidum

2 cology and DiseaseSpecies cology Cnfection"ryptococcus neoformans! *igeon, &at droppings ! Systemic

! Decaying %egetation ! Meningitis

Species cology Cnfection"andida al&icans ! GC tract ! =hrush,%ul%o%aginitis

! Mucus mem&ranes ! Diaper rash,onychomycosis

! *aronychomycosis

Species cology CnfectionGeotrichum candidum ! Soil ! ?ral, lung, sin,etc

! Decaying foods

0 "ryptococcosis (=rue >east)Species >east ("ornmeal)"ryptococcus neoformans+ound to o%al yeast A@ capsule E narroA-&ase &udding

Species "olony (Niger Seed .gar)"ryptococcus neoformans*henol oxidase (), 1roAn-&laccolonies

"andidiasis (>east-lie)Species Direct xamination"andida al&icans 1lastoconidia

(&udding yeast @ pseudohyphae)

Species "ornmeal (+=, 2-H hrs)"andida al&icans "hlamydoconidia

Species Serum (06-07I", '-0 hrs)"andida al&icans Germ =u&es@8yphalie extension of yeast cell

6 Geotrichosis (>east-lie)Species "ornmealGeotrichum candidum ragmented hyphae +ectangular arthrospores A@rounded ends

Direct+ectangular yeast cell (in pairs @ chains)

8/18/2019 Notes Micro 2

4/4

Species CapsulesGermTubes

Blasto-conidia

Arthro-conidia

Chlamydoconidia

Cryptococcusneoformans

+

Candidaalbicans

+ + +

Geotrichumcandidum + +

Species Assimilation FermentationUrease /Phenol Oidase

Mal Cno Glu@ Mal@ Gal

C. neoformans + +

C. albicans + +

G. candidum +