MYCOVIRO - CH 60 of book part 3 Flashcards
(56 cards)
1
Q
- colony: fluffy to granular, white to blue-green
A
A. fumigatus
2
Q
- septate hyphae, short or long conidiophores with “foot cell” (T or L shaped) at the base
A
A. fumigatus
3
Q
- thermotolerant (can withstand up to 45C)
A
A. fumigatus
4
Q
ASPERGILLUS SPP.
- identified by the (2)
A
morphology or conidial heads
5
Q
- conidiophore is coarsely roughened near the vesicle
A
A. flavus
6
Q
- colony: yellow-green
A
A. flavus
7
Q
- globose vesicles producing phialides directly from surface (uniserate) or from metulae, a primary row of cells (biserate)
A
A. flavus
8
Q
- yellow-orange, elliptical or spherical conidia
A
A. flavus
9
Q
- darkly pigmented, roughened spores (macroscopically)
A
A. niger
10
Q
- hyaline and septate hyphae (microscopically)
A
A. niger
11
Q
- colony: begins as yellow then develops black dotted surface as conidia is produced
A
A. niger
12
Q
- reverse side (Aspergillus spp): buff or cream
A
A. niger
13
Q
- long conidiophores
A
A. niger
14
Q
- colony: tan, resembling cinnamon
A
A. terreus
15
Q
- hemispherical vesicles, phialides covers the entire surface
A
A. terreus
16
Q
- aleurioconidia: larger cells found on submerged hyphae
A
A. terreus
17
Q
- globose to elliptical conidia in chains
A
A. terreus
18
Q
- colony: fluffy to cottony, may be pink, purple, yellow, green (depending on species)
- hyphae are small and septate
A
FUSARIUM SPP.
19
Q
- most common medium to induced sporulation of Fusarium
A
cornmeal agar:
20
Q
for identification of Fusarium
A
potato dextrose agar
21
Q
- colony: white to cream, yeastlike
- hyphae are septate with rectangular to cylindrical to barrel-shaped arthroconidia
A
GEOTRICHUM CANDIDUM
22
Q
- initial colony: yeastlike
- mature colony: white to gray to rose or reddish-orange
- small septate hyphae, ellipitical, single-celled conidia
A
ACREMONIUM SPP.
23
Q
- colony: green or blue-green, velvety to powdery because of conidia
A
PENICILLIUM SPP.
24
Q
- hyphae are hyaline and septate, produce brushlike conidiophore
A
PENICILLIUM SPP.
25
- blunted phialides producing small oval conidia
PENICILLIUM SPP.
26
colony: velvety, tan to olive brown, somewhat powdery
PAECILOMYCES SPP.
27
lavender to pink colonies
P . lilacinus:
28
long, delicate, tapering phialides
PAECILOMYCES SPP.
29
- colony: initially appear white but becomes light brown and powdery
SCOPULARIOPSIS SPP.
30
- microscopically resembles a large Penicillium organism
SCOPULARIOPSIS SPP.
31
- hyaline and septate species of Scopulariopsis (2, both starts with b)
S. brevicaulis, S. brumptii
32
most systemic mycoses are mono- or dimorphic?
dimorphic
33
systemic mycoses often start at what locus?
pulmonary locus
34
systemic mycoses Acquired via
inhalation of infectious conidia
35
Blastomyces dermatitidis: blastomycosis
mixture of suppurative and granulomatous infection o
o
Blastomyces dermatitidis: blastomycosis
36
commonly found in North America
Blastomyces dermatitidis: blastomycosis
37
more common in men than women
Blastomyces dermatitidis: blastomycosis
38
San Juaquin Valley Fever / Dessert Rheumatism
Coccidioides immitis: coccidioidomycosis (asymptomatic and self-limited)
39
dissemination in Filipinos and African Americans
Coccidioides immitis: coccidioidomycosis (asymptomatic and self-limited)
40
asymptomatic and self-limiting systemic diseases (2)
B. dermatitidis
| H. capsulatum
41
chronic, granulomatous infection, begins in lungs and invades the reticuloendothelial system
Histoplasma capsulatum: histoplasmosis
42
Cave disease, spelunker’s disease
Histoplasma capsulatum: histoplasmosis
43
found in soil rich in bird or bat guano
Histoplasma capsulatum: histoplasmosis
44
chronic, granulomatous infection (2)
H. capsulatum
| P. brasiliensis
45
produces ulcerative lesions of the mucuous membrane (nasal and oral mucosa, gingivae and
conjunctivae)
lesions are ulcerative with serpiginous (snakelike) active border and crusted surface
Paracoccidioides brasiliensis: paracoccioidomycosis
46
South American Blastocycosis
Paracoccidioides brasiliensis: paracoccioidomycosis
47
mucosal lesions are an integral part of the disease process
| maybe acquired through trauma to the oropharynx
Paracoccidioides brasiliensis: paracoccioidomycosis
48
focal cutaneous and mucocutaneous infection granulomatous, suppurative and necrotizing
Penicillium marneffei
49
associated with (Vietnamese) bamboo rat
Penicillium marneffei
50
endemic in Southeast Asia
| opportunistic
Penicillium marneffei
51
chronic subcutaneous infection
Sporothrix schenckii: sporothricosis
52
“rose gardener’s disease”
Sporothrix schenckii: sporothricosis
53
type of sporotrichosis acquired through inhalation of spores
Pulmonary sporotrichosis
54
acquired through trauma to the hand, arm or leg
Sporothrix schenckii: sporothricosis
55
only rarely disemminated
Sporothrix schenckii: sporothricosis
56
begins as small, nonhealing ulcer on the index finger --> develops nodular lesions of skin -->
involvement of lymphatic channels and lymph nodes
Sporothrix schenckii: sporothricosis
